tag:blogger.com,1999:blog-72736946060559597472024-03-13T09:02:24.921-07:00Velomobiles.cavelomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.comBlogger152125tag:blogger.com,1999:blog-7273694606055959747.post-73868463956214371732017-03-06T22:28:00.001-08:002017-03-06T22:28:24.239-08:00Three carbon booms<br />
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These were a long time getting done. I used a bend piece of alumium as the pattern and while the moulds worked out well some how when assembled the width ended up being .42 on a mm too wide to fit the bottom bracket shell. As I used some clear gel in the mould I could carefully sand a bit off to make it the right size. </div>
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The procedure I used was to first brush clear coat into the mould. Once this was hard four or five layers of carbon were laid in the mould being carefull to make sure they fit in the corners well. This part was infused. Once I had both sides done they were removed from the mould, trimmed to size and put back in the mould to be bonded together using a blander to push the joining material to the inside the boom. Once out of the mould and bit of fill in the join line and then a layer of carbon it make it all neat. </div>
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Also in the picture is the headlight assembly with a carbon and glass mounting bracket. The bracket has a fair bit of adjustability so the light position can be fine tuned to the shell. There is a captured nut bonded inside the front of the boom so it is possible to adjust the mounting position without having to reach in with a wrench. </div>
velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com2tag:blogger.com,1999:blog-7273694606055959747.post-24010826177013870992016-06-25T16:40:00.000-07:002016-06-25T16:40:04.546-07:00New Seat for Milan SL<br />
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<a href="https://4.bp.blogspot.com/-oco9FaIW9kg/V28Nu-mDfwI/AAAAAAAAAt8/VeW4AlfhplYH3fbGwhLwsGyzJGgwQtvKQCLcB/s1600/%253BMilan%2BSL%2BSeat%2B1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://4.bp.blogspot.com/-oco9FaIW9kg/V28Nu-mDfwI/AAAAAAAAAt8/VeW4AlfhplYH3fbGwhLwsGyzJGgwQtvKQCLcB/s1600/%253BMilan%2BSL%2BSeat%2B1.jpg" /></a></div>
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The seat installed in my SL. Through the holes in the pad and seat you can see the supporting foam part the seat sits on. As this seat doesn't have ribs on the back you would probably break it without the support from the foam bit that transfers the load to the shell. This is particularly true when getting in and out. It does have a recess in the seat that the foam pad sits in and the edges have a flange to add some stiffness. <br />
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Seat and pad</div>
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The real pressing need for the seat is that I needed to gain a tiny bit of extra space inside the SL. I found that riding without the one layer ventisit pad gave me enough extra room but I didn't fit the seat very well. A few pressure points that made riding for more than short while impossible. I built a heavy thick seat so I could remove material to change the shape. At first I just removed a small area where I had issues but after using it for while decided to add the bigger recess for the pad. Simpler and it will fit more than just myself. The recess is one thickness of the ventisit material so it can be used instead of the foam pad. </div>
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<br />velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com1tag:blogger.com,1999:blog-7273694606055959747.post-16111371091797353232015-02-24T22:00:00.000-08:002015-02-24T22:00:30.642-08:00NACA pic<div class="separator" style="clear: both; text-align: center;">
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The NACA duct just out of the mould and trimmed up ready to be bonded in. I suppose that you could even bond it in with silicone but I will most likely glass it in place or use a higher strength adhesive. </div>
<br />velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com5tag:blogger.com,1999:blog-7273694606055959747.post-50983311825664731342015-02-18T23:00:00.000-08:002015-02-18T23:00:21.050-08:00Carbon Rear Swing Arm/NACA Duct/Milan XL(MaX) Progress <div class="separator" style="clear: both; text-align: center;">
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The third try at building a carbon swing arm for the Milan. It is still a work in progress but very nearly ready. Still needs to have nicely machined dropouts rather than the present trial ones. The steel version of this weighs in at 1150 g while this one is 700 g. </div>
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Two views of the NACA duct installed. The NACA duct itself weighs in at around 30 g. You end up adding a good portion of that weight to bond it in place. The duct is made to fit onto the door with a small flange that matches the shape of the door. The tricky part is cutting the hole to just the right size. You should be able to retro fit this into existing doors with some care and patience. I have tried it out a couple of times now and it moves a surprising amount of air. I can feel the flow almost at my face once you get to about 20 kph. If you ride with the hood I would highly recommend adding one. Also in the picture you can see the larger knee pumps in the door so I can pedal the SL without having to move the BB forward of my favored spot. I will eventually make a new door as this one was a bit of an experiment with the laminate and I cut out the knee bumps and made them slightly larger. This door now overlaps the shell so water runs off to the outside. There is still the rain gutter under it which very effectively stiffens the edge of the cockpit opening. The knee bumps being larger than the original ones must be slowing me down. I sure can't tell as the SL is a real rocket even compared to the GT which is already pretty quick. On some of the hills here it is scary fast. I use the brakes more than with the GT. </div>
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Lots of progress on the larger Milan. I may end up calling in the Milan MX. Most of the moulds are now made and the first two bottom parts are moulded. I ended up having to remake the rib mould that stiffens the sides. They are a few days away from being done and then we can carry on assembling the velo. Looking forward to being able to sit in it and see how big it is. </div>
<br />velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com1tag:blogger.com,1999:blog-7273694606055959747.post-1508258257868099172015-01-01T22:39:00.001-08:002015-01-01T22:39:14.298-08:00Lights, 103 km ride<div class="separator" style="clear: both; text-align: center;">
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Here you can see the mounting bracket I have made up for some Lezyne lights. Just three layers of carbon around a 1" tube,a teardrop shaped price of wood and a bolt to hold it on. The tube is stiff enough to be a tight spring fit around the light such that you can slide it in and out. I use them as daytime flashing lights. Definitely lights to be seen by as the normal headlights are brighter by they don.t have a flashing function. </div>
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The second pattern for a NACA duct is in the background while the mould for it is in the foreground. The mould is ready to be used so I can try the duct out in the door. With the hood on this should help by being able to direct some of the airflow onto the front visor. I will have to experiment some to see how it can be made to work best. </div>
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On the island here there is a New Years's Eve Epic Ride. The goal is to ride about 100 km for the day and less if you are less ambitious.You start out at 9 am and the first section is a going north to Granite Bay about 20 km away. I wasn't sure if I could ride by upright bike for three hours and about half the distance is on gravel road so I ended up using my short wheel base recumbent. It proved a bit tricky on some of the downhills when you encountered loose gravel. Once at Granite Bay you ride back up to the paved road and then the group splits up. The less ambitious folks head back to the start and ride the rest of the 100 km on the less hilly and mostly paved south end of the island. The more ambitious ride out to Surge Narrows on a very twisty and steep road that is mostly gravel. I rode back to the start and then home for lunch and to change bikes. It was a welcome change to ride the Milan. Much warmer and quicker, it being less hilly helps too. The first bit was cold as it was at or below freezing so staying warm wasn't easy. I stopped briefly at Granite Bay to take a picture and was soon back on the bike to try warm up a bit. I slowed down going downhill a few times just to stay a bit warmer. Rode the last half in the velomobile and was nice and warm except my feet started to get cold after a couple of hours. I could have put the neoprene covers on the cycling shoes or switched to regular shoes which would have solved the cold foot problem. Ended up riding most of the day to get the 103 km in with over 1700 meters of climbing. I have ridden over 250 km in a day that seemed less difficult. There was a great turn out for the ride this year with about 60 participants. </div>
velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com0tag:blogger.com,1999:blog-7273694606055959747.post-68099174114094365752014-12-03T23:46:00.000-08:002014-12-03T23:46:26.061-08:00Fit in Milan SL, Progress, ETCI have finally gotten the Milan SL so I can fit into it properly. I could pedal it before but I had to extend the BB forward from my optimal position. The reason I now fit is that we built a new door gives me a bit more knee clearance. Here is a picture of the new mould just after laying it up.<br />
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It still needs to be trimmed to size, sanded smooth, polished and waxed. I did make a couple of trail parts off the plug to be sure I got the fit right. <br />
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So the size that fits the Milan SL is an X seam of 44" measured by sitting against a wall and measuring the distance to your heels with your leg flat on the floor and your foot at right angles to the floor. My X seam measures 45" and you may fit if you are this size but I would recommend a test fit just to be sure. I will have my SL here for this. If you are willing to extend the BB position forward getting a fit if you are tall is a bit easier.<br />
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We do now have a few orders. Looks like we will be able to build at least one per month maybe more once we get better at the process. I am surprised at how long the ones to date have taken but there has been a bit of a learning curve. I am sometimes my worst enemy as I kept making improvements but I can now see that those are mostly done. I will still make improvements as I find this part of building them interesting.<br />
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The pattern of the Milan XL? or Milan Max? is now ready to mould. After laying up the door mould I will have to set up my supplied air respirator for laying up this much larger part. Its OK in the summer but if I ventilate the shop for hand laminating at this time of year it gets too cold rather quickly. <br />
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I have had a couple of rides in the rain and at below freezing and as a result put the hood on. At 80 kph rain really hurts your face. I even found myself braking to limit the effect. I had the hood on with only a partial front visor( an experiment) and it was plenty chilly at speed as the wind hit my forehead just above my glasses. I will also have to find my over boots for the cycling shoes as my feet got cold after an hour or so. <br />
<br />velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com1tag:blogger.com,1999:blog-7273694606055959747.post-71037439532936852432014-10-14T22:33:00.000-07:002014-10-14T22:33:26.176-07:00Larger MilanWe have been working on building the pattern for a slightly larger Milan for a while now. It has languished for quite some time but has seen some work lately while I have been waiting for parts to arrive for Milans that are on order. It is a bit taller, about 2 cm at the shoulders and a bit more at your feet. Most importantly it is longer by 8 cm with the door opening moving forward the same amount. The limitation for really tall folks in the GT was that if they had really long legs their shins would not clear the front edge of the door unless you moved the bottom bracket further forward. Short cranks help some for this but mostly you ended up with the bottom bracket too far forward to be in a good pedaling position. I have also increased the width at the shoulders by 6 cm. So now if you only just fit in the Quest you will have space in the Milan XL. Any suggestions for a better name?<br />
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Here you can see the extra width at the shoulder. I have the first side almost done and just need to make more templates to be sure the two sides end up being the same. </div>
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The other side with the template in place where all the fill needs to go. I have left the shell open just in case I need to add some material on the inside. I did need to cut some away and fill in the nose to get a nice shape as just cutting the original apart and rejoining it longer caused a bump to show up. The orange bit is the modification to add the rain gutter to the mould. </div>
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velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com4tag:blogger.com,1999:blog-7273694606055959747.post-85568223159937679662014-10-11T19:59:00.002-07:002014-10-11T19:59:59.624-07:00MotivationThis ride turned into a long way to go for a couple of beers. My friend suggested we ride to Powell River to check out the craft brewery there. Sounded like a good idea. The weather was nice, the ride is a reasonable distance the only complications being catching ferries and getting back before it was dark. I left here early caught the 7:00 ferry and met my friend south of Campbell River. Had a leisurely ride down to the next ferry. A half hour wait for the ferry, one hour and half ferry ride and just a short ride to the brewery for beer and lunch. Arrived at the brewery, as cars were parked out we pulled around the side. It didn't look very open as we passed by. In fact it wasn't open but not all was lost. As soon as we pulled around the side we were invited to help pick hops off vines collected from the local area that were growing wild. No sooner had we started and we were offered free beer. A new enthusiastic employee was quite diligent at keeping my glass filled. After picking hops we were given a tour of the brewery. Ended up buying some beer and then off for lunch a short way away. Just barely made it to lunch and didn't need to order any more beer. After lunch not 100 meters from the pub I had a flat. Didn't stop soon enough and I ended with three punctures. After fixing these and using all my patches it was a bit of a rush to the local bike shop for another repair kit and then the ferry. Getting off the ferry was interesting as I had to rush to refill both front tires which now both had slow leaks. Rode about twenty minutes pulled over and refilled the tires. Did this once more and then decided to try for the ferry home as it was getting dark. The rest of the way was mostly downhill with two smallish uphills. I was suitably motivated at this point. Not only was I losing air but there was still an hour of riding to go. Probably was over 60 kph for about ten-fifteen kms and then over forty most of the rest of the way. Made it to the ferry with half an hour to spare. Added more air and made it home before 9 with a total distance of about 140 km. <br />
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Link to the brewery <a href="http://townsitebrewing.com/">townsite brewery</a></div>
velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com0tag:blogger.com,1999:blog-7273694606055959747.post-62458787307481300852014-09-02T00:28:00.000-07:002014-09-02T00:28:03.742-07:00New Front BoomHave been working on this since last year. After a few false started we ended up with this. I have the parts in the mould( the orange thing) for alignment purposes.<br />
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So far it seems to be stiffer than the aluminium boom it replaces. The limitation for stiffness is the stiffness of the shell as the boom has to be attached to it. Having the rather large "I" beam in the front of the wheel wells should really stiffen up the front end. The really good part about this is we are saving around a pound. The bad part is that it will cost more. <br />
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A close up of how you adjust the bottom bracket. There are to be four bolts that hold it in place. One may get away with only using two saving a bit of weight. Adjusting by two holes will most likely require changing the chain length as every two holes is two links. The holes are spaced 1/2" apart. Before coming up with this boom I tried wrapping a foam core with carbon. That really got out of hand quickly as it ended up being a mess and went in the garbage. Then I tried making the same thing in a mould but that got quite messy too. The precision required to do it properly would require a CNC machined mould and a separate mould for the core. I could infuse a top hat section in the mould and then fill it with foam. This would take quite a while making it far too expensive. After some calculations I determined that the carbon/foam one would only be 20g lighter than the wood core and carbon one. I rather like using a bit of wood as it is nature's carbon fiber and can rival carbon when combined with composites and epoxy. So what we have ended up with is a chunk of an expensive ski as the boom. </div>
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I have had the bottom bracket shell in my GT creaking some. After tightening the clamps a few times I finally took one out to see what was going on. It would go away for some time after each tightening but would be there again after riding some tough hills. Here is a the first attempt at making a replacement and the used clamp. Upon looking closely at the clamp it has started to bow on the vertical sides. It was only applying pressure at the top and bottom corners. I was using a torque wrench to get the bolts evenly tight and getting worried about snapping the clamp. The first attempt at an improvement, while it works it wasn't easy to install as it has too many loose parts. <br />
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This is about version eight. Only two parts with some flex in the corner. I can't see why it shouldn't be an improvement unless the hose clamp isn't up to the job. There are much stronger hose clamps than the ones I am trying out if these fail.</div>
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What it looks like installed on the boom.</div>
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velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com2tag:blogger.com,1999:blog-7273694606055959747.post-22202912181278719182014-08-02T23:38:00.000-07:002014-08-02T23:38:52.787-07:00Up on two wheels/back on two wheelsI discovered that it is possible to get the Milan GT up on two wheels and recover. It just kind of happened on a downhill section with an S curve. I brake a bit before the corner and then just let it run but this time there was a car coming around the corner. I was close to the center of the road trying to stay away from the crown of the road as it is going the wrong way. When I saw the car I moved more into my lane and the inside wheel lifted. I had a quick look around to where I might end up if it rolled and slid but with a small steering correction, all was good. Where I would end up was in the trees beside the road after sliding on grass. The velo would have been a mess. How the rider would have fared isn't too nice to dwell on(probably OK but very pissed off). Now that I have lifted a wheel on the road you can tell quite easily when you are getting close. One can feel the inside wheel becoming unweighted so you know when it is time to back off. I will take this corner a bit more slowly in the future as I must have been close to lifting a wheel before as the left wheel started to feel light.<br />
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Back on two wheels of a different sort. There is more riding to do on the island off road than on, so I now have a new bike. Never had a bike I could ride much off road before so it is a new experience. I do need to learn some new skills as the last time I rode an upright bike for more than five minutes was over twenty years ago. Already fell over twice as a result of a bit of overconfidence riding some easy trails. More practice required. The front shock is an entirely composite unit, seems to work quite well and is quite light. Maybe the basic idea can be adapted to work in a velomobile. I built a composite rear suspension in the Aurora which works great but is hard to adapt to a tadpole configuration. Putting both ideas together and building a prototype to try it out may happen once I have some spare time.</div>
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Building the pattern(plug) to create removeable foot(heel)covers for the Milan SL. I laid up some material to mimic the thickness of the foot hole covers and now need to make it all smooth and shiny. If you remove the foot(heel) bumps from the SL you increase the ground clearance considerably. I had to tie some kayaks on a new car the other day and ground clearance for the car was about the same as the SL with the heel bumps removed. Considering that the wheel base of the car was longer the SL may have more clearance. I noticed that on the front bumper of the car there is a rudder strip that hides the scrapes under the car's front. With the heel cutouts you also get reverse back without opening the door and using your hand on the ground. This works for me but for shorter folks this may not be an option. You also get more ventilation with air coming in the foot holes. </div>
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<br />velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com3tag:blogger.com,1999:blog-7273694606055959747.post-81057463169798143242014-06-25T00:30:00.000-07:002014-06-25T00:30:00.332-07:00Monocoque or Hybrid??Here is a photo of the structural reinforcing bits that go into the Milan SL.<br />
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The wheel well is in velomobiles with enclosed front wheels. The other ribs are sort of borrowed from boat building where stringer systems are quite common. They are made from two layers of carbon with some extra reinforcing and then secondarily bonded into the shell. I have thought of infusing the parts with foam ribs but by the time you add in the weight of the foam you are at about the same weight as the bagged parts and secondary bonding(hollow ribs). I have a bit more freedom in shaping the ribs with my present method. The long S shaped rib could be shorter but the added 70 g or so is a worthwhile addition in stiffening the panel. </div>
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I finally brought my Garmin along on one of the Wednesday night rides. The ride ended up being about 50 km long with about 700 meters of climbing with an average speed of 26 kph. I am faster when there are other riders along it seems. Riding by myself doing the same sort of ride would be 3-4 kph slower. The first and last 5 km are slower than the average as I ride to the start and then back home again. One interesting thing I noted was that the velo climbs better than an upright bike if the grade is low enough. I'll keep track of at what sort of grade and speed at which this happens. If it gets too steep like about 5% or more the extra weight of the velomobile really shows up. One of these weeks we will do the Wednesday night ride out of Campbell River. I am looking forward to the flatter terrain and smoother payment. </div>
velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com0tag:blogger.com,1999:blog-7273694606055959747.post-13384186423802369672014-06-13T08:24:00.000-07:002014-06-13T08:24:25.541-07:00Miscellaneous MusingsFirst off a new rear cover for the rear wheel openings in the SL. It took a while(three tries) to get it right. Delayed a couple of times by other stuff that needed doing but now we just need to sand and polish the modified part of the mould.<br />
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Hiding the tent away inside the GT or even the SL. It fits very nicely in the turtledeck. I stuffed the tent in separate from the fly but with a a bit more practice getting it all in would be pretty easy. The poles and pegs fit up there too. What would work even better would be a new more compact tent. New ones can be about half the volume. Our tent is a good sized two person unit of an older vintage. <br />
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Tank vs central U-joint steering. After having installed a few tank steering units in the GT and SL I can completely understand why, from a manufacturing perspective, central U-joint is the preferred system. I have been trying to train myself to be good with either one but I just like the tank one better. About 10-15 kph faster with the tank steering before things get uncomfortable. I'll keep working on getting better with the central U-joint one. The training process with the central U-joint has improved my steering with the other system. Now I have to be more careful as it is too tempting to just let it run. There are a few spots on the downhills here where you really should check your speed. The rough road here encourages that anyway but you can still overdo it for the conditions. I would much rather build new velos than fix built ones!!! The one negative on the tank steering is that the levers take up some storage space. In the picture you can see that it isn't all that much. About a water bottle's worth of space but still with room for a bag beside the levers. What would be really handy is a foam shelf for small items just beside the levers. It could be stuck on with Velcro so you can fine tune its location. <br />
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For the good, fast crowd, one could add a clear fairing to the back the the mirror fairing to clean up the aerodynamics around the mirrors. A camera in the tail and screen would be even more aerodynamic but I really like the simplicity of mirrors even if they slow you down a bit. I use them a lot and feel very uncomfortable without them. Even having just one doesn't seem enough. I would put having a mirror on each side onto the list of essential safety equipment. velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com0tag:blogger.com,1999:blog-7273694606055959747.post-80508283090418288312014-05-31T18:03:00.001-07:002014-05-31T18:03:37.881-07:00Best Ride Ever?Well maybe not quite but certainly right up there. There is a Wednesday night ride on the island here. I have been taking part most weeks using the Milan SL, Milan GT or my high racer. Lately it has been the high racer but this week it was the Milan GT. It ended up being a great choice for this ride for some not so obvious reasons. The folks on the ride have been threatening to go north for some weeks now. Going north is the most hilly and twisty paved road on the island and definitely the most velomobile unfriendly ride. First one out onto the road decides where we will ride. This week there was lots of milling around before someone finally turned left or right. We turned right and then right again after the store so we were heading north. The first kilometer was OK just some rolling terrain where I was out front but this wouldn't last much longer. I was already braking a bit on some of the turns as I didn't know this section too well. Several times the faster folks almost caught up but the terrain was just in my favor. Then it started to go uphill and everyone passed me. I almost caught up again but was reluctant to just let it run as the road was fairly twisty. Time to just enjoy the ride and slowly pedal up the hills. The sun was shining thorough the trees and it was a lovely evening. Riding up wasn't so bad just take your time and look around. I had only driven this section before and you don't see much at car speeds. All the different greens at this time of year are remarkable if you only take the time and look. After climbing the first big hill there is a very steep descent which had me on the brakes most of the time. I was thinking that maybe I should just turn around and head back rather than have to climb back up this and more. I kept going and met the group just after they left the turn around spot. On the way back there were a couple of spots where it was impressively steep where forward speed was very low. The group waited just before the last big descent and we all took off. I was near the front and let the three or four fast guys go first. I was on the brakes quite a bit. Most impressed with how the GT handled the curves. I could stay with upright bikes on the corners until I chickened out and braked. No issues with braking at speed with tank steering as I had practiced at bit previously. It was a good thing to have the tank steering as I was applying quite a bit of force at times. So much braking that the next morning my hands were a bit stiff. At the end there was a straight bit down and then up to a stop sign. I couldn't resist finally shifting up to the big ring for the first time on the ride and going for it. Short but quite fun to zoom by folks in their tuck like they were standing still. Had to brake hard for the stop sign. velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com0tag:blogger.com,1999:blog-7273694606055959747.post-21624248097680198992014-05-05T12:22:00.001-07:002014-05-05T12:27:05.116-07:00Topless Milan SLWhile out for a quick spin my neighbour mentioned that I was riding topless. At first I didn't think much of the comment but the next day after quite a few more short spins I got a chuckle out of it. My short spins were rather short as I would only go to the nearest intersection where I could turn around. I got rather good at using the crown of the road to roll backwards to make multi-point turns. <br />
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The reason for riding without the door on was that I was adjusting the the rear suspension and fine tuning the fit of the swing arm in the rear fender. After a few attempts it is finally just right. I may still adjust the length of the rear struts to slightly lower the back end of the SL. The back end now a bit lower than before and we have gained a tiny bit of clearance at the front.<br />
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In the many times I had the rear wheel in and out and the velo upside down I took a good look and at the bottom. The only bit that was scratched up was the scuff pads on the footbumps. It seems that when the footbumps touch it slightly lifts the front of the shell as the front suspension allows this to happen. One does still need to be aware of dips with slopes that go up just after the dip. Mostly one can deal with these by taking them at an angle. So far I haven't found the low ground clearance to be a real problem. It's bit noisy at times scraping the protective skid pads but otherwise very manageable. Yet another misconception that didn't come true. The other two for the SL were getting me to fit for leg length and width between the wheel wells. The distance between the wheel wells varies from 14.75 to 15.5" depending on where you measure but I still have clearance. When I first mocked up the space it seemed awfully tight but it seems to work well for me. The reason it works is that the narrowerest dimension is where your knees are and the widest where your calves or thighs would touch. The more I learn about the design of the Milan the more impressed I am with the thoroughness of the designers.<br />
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The scuff pads after riding for a while. From looking at them they should last a long while. The tape is so I can fill the little voids in the join line. The gel coat fills will be sanded smooth once they are hard. I'll also scrape off the silicone that has squeezed out from glueing the scuff pads on. velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com0tag:blogger.com,1999:blog-7273694606055959747.post-41827585524683662382014-04-24T23:40:00.003-07:002014-04-24T23:40:44.179-07:00Some news about the Milan SL I have come up with a different way to hold the door in place on the SL. I am using some shock cord to latch it at the front and back. The previous method had a hinge at the front that seemed to rattle some at times. It was also hard to remove and replace if you wanted to remove the door to work inside the velomobile. <br />
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The shock cord at the back edge hooks around a plastic hook bolted the the door.</div>
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The same idea at the front but I will be changing it slightly so its easier to reach. This was the second attempt so the final result will be neater.</div>
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The additional advantage of being able to prop the front edge open for ventilation or for use as an air brake for long descents. You would most likely had to have it open more for much braking effect. It just a rocket going down hill. </div>
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I went for a ride this evening checking out the local time trial course. I did ride a time trial on it yesterday so had another go at a slightly slower pace to figure out where to optimize my effort. On yesterday's ride I got it slightly wrong in not attacking a slight grade enough and lost some speed. Even though I had ridden this section quite a few times I didn't realize how much it could hold you up if you had your effort wrong. I guess this is the difference between racing and just riding. The slower ride was about 30 seconds longer than the actual time trial. During the time trial I had a few folks in front of me to catch so the rabbit effect was in full force. I did the course in 9:47 with an average speed of 44.27 kph. The course is a bit hilly and not much in the way of rolling hills that favor a velo. Right now I have a rather low high gear in the SL mostly so I also have a very low gear for climbing the hills here. A bit higher gearing would have helped some but the engine needs to be more fit to make a real difference. It wasn't too big of a surprise to set a new course record considering the aerodynamic advantage of the SL.</div>
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I am getting using to the tiller setup in the SL. I was a bit shocked to see a max speed over 83 kph as I braked some to keep my speed down. I will continue to ride the SL and then switch back to the GT once I have changed out the rear fender. The new three layer fender with carbon and Bio-Mid is much less noisy than the glass and Kevlar one. They both ended up weighing about the same but the carbon/Bio-Mid one is much nicer and will even go into the glass versions of the Milan. One does get spoiled easily. </div>
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An Xseam of 45" or more means you will not fit in the SL. With very short cranks and an extended BB position it may be possible to fit slightly taller but I would recommend a trial fit. </div>
velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com4tag:blogger.com,1999:blog-7273694606055959747.post-9173100380324058482014-04-06T18:13:00.000-07:002014-04-06T18:13:14.952-07:00Left Coast Velomobile GatheringBack from the Left Coast Velomobile Gathering. Lots of driving, not so much sleep and some excellent riding. A very fun weekend. Many thanks to Craig and Vicky for hosting the event.<br />
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This was the first time I could ride the Milan GT with other velomobiles to compare performance. While I knew that the Milan was quick I had no real reference point. After the first half of Saturday's ride I was more than a little pleased especially considering that I have not ridden much in the last few months. Now I understand why Markus would start later in the mornings on ROAM and come whizzing by. The folks at Raderwerk who designed the Milan have succeeded in building a very fast comfortable velomobile. I was impressed by being able to climb a gentle slopes at reasonable speed. Carrying momentum up the next hill was great fun. On gentle up slopes the saved up kinetic energy sure cared one a long ways. <br />
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At the LCVMG there were a couple of other velos that were quite interesting. I have always liked the sort of retro look of the Allweder. There was one that was polished up to a high level. It sure looked nice. I checked out how it was constructed and it's amazing what can be done with aluminium. There were also two chloroplast velos built on ICE trikes. Nicely built and a good way to get into velomobile if you already have a trike. While not quite as fast as a Quest or Milan they provided most (90-95%) of the benefits velos offer. You would be hard pressed to go back to the bare trike after riding these. <br />
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Here are a few of pictures at the Avila beach on the second day.<br />
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The previous day I managed to scare myself at bit. I actually overdid it a bit and ended up going down a hill too fast. I was reluctant to do anything but let it run out. I didn't have my GPS on but was going at least the speed of traffic(55 mph if they were going the speed limit, doubtful at the best of times) and certainly a lot more than the 85 kph I have been at before. Lesson for the future about keeping speed in check. I didn't actually have any trouble controlling the Milan GT it just felt way too fast, enough so that I was even reluctant to apply the brakes. I have since practiced braking from fairly high speed and am now more comfortable doing this. </div>
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Here are more pictures of "Bubbles". It got stuck with this name before it even made it off the car. </div>
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velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com1tag:blogger.com,1999:blog-7273694606055959747.post-77311295120300472942014-03-15T23:43:00.001-07:002014-03-15T23:43:54.097-07:00Before and after snowWe did get some snow a while back that almost covered my GT. It was a bit of an unexpected snow fall. I didn't move in inside in the evening and this is how it looked in the morning.<br />
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Here is what if looks like now.<br />
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I dressed it up with some graphics. The real reason for the graphics is the make some of the inconsistency in gel coat less noticeable. I rather like it dressed up as it is. <br />
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The new rear signal light. I have built a new enclose for the LED lights. A little carbon fiber and some clear casting resin. Much nicer than the first version.</div>
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Here is a view from the back. The small cutout in the reflective sticker on the the back allows the three 2W LEDs for the brake or rear light to shine through. This light is much brighter than the standard rear bike light just below it. One can also see how flush the new enclosure for the turn signals is. </div>
<br />velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com0tag:blogger.com,1999:blog-7273694606055959747.post-44798107708720537522014-02-14T21:55:00.000-08:002014-02-17T22:42:23.202-08:00Milan SL Pictures<div class="separator" style="clear: both; text-align: left;">
The first few pictures of our demo Milan SL. Next step is the roll out tests to check the front alignment. </div>
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<a href="http://3.bp.blogspot.com/-63Hj1QJvn3A/Uv7D9hbnDCI/AAAAAAAAAic/Xh29GXH7-lA/s1600/sl4.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-63Hj1QJvn3A/Uv7D9hbnDCI/AAAAAAAAAic/Xh29GXH7-lA/s1600/sl4.JPG" height="140" width="400" /></a></div>
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No mirrors or lights yet so there is still a fair bit to be done before I can consider it finished. Once I have ridden it a some and fine tuned my fit I'll post about the maximum size that will fit.</div>
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<br />velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com8tag:blogger.com,1999:blog-7273694606055959747.post-28961856233141761302014-02-10T22:40:00.000-08:002014-02-10T22:40:58.076-08:00Milan for bigger folks?<br />
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We have laid up some heavy sections out of the Milan GT moulds. We had three reasons for doing this. To use up some old material that we can't use for anything else, train a new staff member in hand laminating and perhaps build a new velomobile. <br />
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Of the first four or five potential customers who visited me looking at the Milan GT two certainly didn't fit and a third was too close to call. The need is for a bit more clearance for bigger feet, even 1-2 cm would be a big gain, accomodating a longer femur lenght and more knee space can be acommllished by moving the door opening forward 5 cm. Adding 2.5 cm extra width at each shoulder will be a big plus for some. Just from looking at the shape it can be blended into the existing bulges and still look very nice. Is adding 5 cm in total width at the shoulders enough?<br />
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We are not sure if this will happen as building a new velomobile is a very big project. In any case it's going on the back burner for a while. Still an interesting undertaking to contemplate.velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com0tag:blogger.com,1999:blog-7273694606055959747.post-7080370160227454682014-02-04T20:31:00.000-08:002014-02-04T20:31:34.534-08:00Taking Orders and PricesFinally at the point where we can take orders for the Milan GT and Milan SL. It has taken far longer than I thought it would but I think well worth the delay. For something as simple as a bike it has proven to be quite complex.<br />
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The base price for the Milan GT and Milan SL is $8,500 This includes carbon wheel wells, carbon rear fender, carbon ribs in the floor and sides of the shell, left and right mirrors with carbon fairing and reflective stripe, rear tail light. <br />
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Upgrade to carbon/Kevlar laminate $1,500<br />
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Lighting package( two headlights, running/signal lights, brake light) $800<br />
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Storage compartment in front of wheel wells $100 each<br />
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Upgrade to 90 mm drums $100<br />
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Side stick (tank steering) $100<br />
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Hood $450<br />
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More details to follow!!velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com2tag:blogger.com,1999:blog-7273694606055959747.post-54601744943588070582014-01-21T00:15:00.001-08:002014-01-21T00:15:50.912-08:00Milan SL<div class="separator" style="clear: both; text-align: left;">
Front storage compartments for the Milan SL</div>
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The picture shows the front storage compartments for the Milan SL installed in the bottom half of the velomobile. I find them quite handy to contain loose items you don't need too often. Each one is about 8-10 liters in size. It is best to install them when the shell in at this stage as it is hard to reach once the top is on especially if you do not cut footholes. <br />
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<a href="http://1.bp.blogspot.com/-rqZ9BJliklY/UtzTPTnaSpI/AAAAAAAAAhs/hXFs4lg-9Ew/s1600/Milanrearsuspensionjig.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" src="http://1.bp.blogspot.com/-rqZ9BJliklY/UtzTPTnaSpI/AAAAAAAAAhs/hXFs4lg-9Ew/s1600/Milanrearsuspensionjig.JPG" height="240" width="320" /></a> </div>
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Jig for bolting the rear swing arm into the Milan SL. I was working on this on the weekend and didn't have anyone to help squeeze the parts together when tightening the bolts so I made a jig. The rather beefy rear swing arm has two plastic shims on each side that need to fit tightly between the plastic blocks that clamp the pivot tube in place. Having two shims on each side allows for some adjustment sideways of the swing arm for the wheel and the fender. Here's a better picture of the swing arm with the spacers visible. </div>
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This is the third Milan SL being built. It will be our demo and the one I try to make fit me. We are now able to start building the Milan GT and Milan SL for customers.</div>
velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com2tag:blogger.com,1999:blog-7273694606055959747.post-33939092811326397462013-11-25T09:17:00.000-08:002013-11-25T09:17:01.311-08:00Details and optionsI have finally come up with a way to hold wires to the shell that is simple, easy to do, and very light. The secret is in the one layer of carbon fiber used to make the fixture. The other trick is sticking the tube to the shell with silicone. The advantage of using silicone is that you can remove it if necessary and we always have a few tubes of it in the shop. The disadvantage is that it takes at least overnight to set enough to stay in place. Here's a picture of it in the 1/4" diameter<br />
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Now I just have to finish the wiring in my velo so it is rideable any time. It is still missing the connections for the headlights and brake light with only the signal/running lights working. <br />
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Plastic drain for the rain gutter. The piece of tubing used as a drain for the rain gutter is now easily made. I just had to make some jigs to form the end of the tube rather than doing it free hand. I'll use the channel for the wires to hold it to the side of the velo.<br />
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Mirror fairing with the light in the front of it seems to be working out nicely. I had to come up with a slightly different clip to mount the mirror. The mirror mounts so it is almost touching the shell rather than on a stalk. I suspect that it will now be possible to mount it on most velos. <br />
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The Milan GT and Milan SL both come with suspension on all three wheels. I do have the plug for making the rear fender for the SL without rear suspension in the shop. I will move it out into storage where it can rest until some one really wants this version. I will take some convincing to do so!!!! The front suspension is the normal strut from Velomobiel.nl but with the stiffer spring in it. The rear suspension is a double sided swing arm with two suspension struts, one on each side. <br />
velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com1tag:blogger.com,1999:blog-7273694606055959747.post-82060829492787579682013-11-05T21:58:00.000-08:002013-11-05T21:58:55.984-08:00Last Weekends RideOn the spur of the moment I decided to go for a ride on the flatter island, Vancouver Island. It was just about 1/2 an hour before the ferry left the island when I decided. By the time I pumped up the tires found my repair kit and got going I had only 20 minutes left. Just a little ways down the road I realized I forgot to take my battery from the charger. By the time I turned around and got the battery I thought I won't make the ferry. If I made the ferry I would ride on the other side if not just ride on the island. I pushed pretty hard and had just enough time to make the ferry to get off the island. This has to be my fastest trip ever to the ferry. Maybe the reason is the small visor I made to try out.<br />
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As it turns out I didn't have it quite right as I still got a bit chilled going down hills at speed. The back edge needs to be about an inch higher to deflect the onrushing air onto my helmet rather than my forehead. The good part is that after coming off the first hill I was able to hold over 50 kph for quite a while. This is about 2-3 kph more than before along this section. I had the unusual situation of traffic not passing me as I was close to the speed limit. Needless to say this didn't last. It ended up being an excellent ride with the fastest two hour average ever at just over 35 kph. I am lucky to get around a 25 kph average on Quadra Island. It must have something to do with hills!!!</div>
velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com1tag:blogger.com,1999:blog-7273694606055959747.post-50533736753627769972013-10-18T15:49:00.000-07:002013-10-18T15:49:28.971-07:00RibsNo, this isn't about the kind you can eat. In the photo below you can see the stiffening rib installed in the side of the Milan. <br />
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This adds much needed stiffness to the long flat side of the Milan. While the panel was strong enough without the rib it seemed to act like a sounding board for vibrations from the road. To further reduce this I have rebuilt the rear fender. Here you can see the first half.</div>
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What different about this one is that it considerably stiffer by the addition of an extra layer. The extra layer is the material Bio-Mid which is made from sawdust from western Canada. The material looks much like regular fiberglass but has a density similar to Kevlar. It adds thickness to the laminate without a lot of weight. Having this layer between two layers of carbon optimizes the carbon's properties. </div>
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velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com0tag:blogger.com,1999:blog-7273694606055959747.post-17169983385880832352013-10-07T19:50:00.000-07:002013-10-07T19:50:11.090-07:00On the Road at Last<div class="separator" style="clear: both; text-align: center;">
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This is the first picture taken of the blue Milan GT on the road. It is still missing a few bits but ride able. The first thing I noticed that's different about it is the weight. It looks like the Milan GT in carbon/Kevlar laminate will finish out in the low 60 pound range. While I was hoping for under 60 with some more development this may still be possible. The second thing I noticed is that it is noisier than the glass version. Right now I am working at reducing the noise and think I may have it in hand. My local short test loop has some very poorly surfaced roads so if I can make it acceptable on these it won't be a problem elsewhere. The problem may be with a high tech thin laminate without excess resin in it transmits vibrations more. Having a high resin content makes for thicker laminate and the resin itself is less prone to transmitting noise or vibration than the carbon or Kevlar material. Some localized stiffening seems to help a lot. Tomorrow morning ride will tell if it good enough. <br />
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The first seat that I have infused. It does have a couple of foam ribs on the back making infusion an easier overall process than our usual method with vacuum. The disadvantage is than we end up using a bit more resin and have more materials that need to be throw any. The big plus is the potential weight saving. While this seat is a bit light for my liking I will test it some to see how it stands up. The weight I would be happy with is under 500g. This one weighs in at 414g without the holes in it but I would like to add a bit more carbon in a couple of spots.</div>
velomobiles.cahttp://www.blogger.com/profile/06153307147138055988noreply@blogger.com4