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  #1  
Old 01-29-2015, 03:04 PM
Robert Alexander Robert Alexander is offline
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Default A velomobile made from Coroplast

I have been doing this project on and off when I had time. I finally got a prototype built. The goal was to make it lightweight, hopefully decent looking, and aerodynamic as possible. The parts are cut in a way to allow the individual pieces to fit into each other. That's why a drag knife was not used. the other problem with a drag knife was that when you cut at a angle to the flutes on the coroplast, the knife would move slightly. Any way it turned out only half bad.




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Old 01-29-2015, 06:14 PM
Impact Image Impact Image is offline
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Very cool.

And now I know what a velomobile is. I expected something to hang from the ceiling and spin.
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  #3  
Old 01-29-2015, 07:25 PM
rcrawford rcrawford is offline
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That's pretty cool Robert! What program did you use for the design?
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  #4  
Old 01-29-2015, 07:42 PM
Robert Alexander Robert Alexander is offline
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Quote:
Originally Posted by rcrawford View Post
That's pretty cool Robert! What program did you use for the design?
Autosketch. A simple 2D cad program. I have also done a lot of sheetmetal layout over the years which helps.
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  #5  
Old 01-29-2015, 07:57 PM
Charlie_L Charlie_L is offline
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Robert,
So much fun!! Can't wait to see more. Thanks.
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  #6  
Old 01-29-2015, 08:08 PM
eandico eandico is offline
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Another great project Robert. Thanks for sharing!
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  #7  
Old 10-25-2015, 11:08 PM
Robert Alexander Robert Alexander is offline
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This is the same thing I built earlier. So I didn't want to create another thread.
The video was version #6. The photos are the improved version #9. It takes 4 sheets of 4mm coroplast and a 1/8" O flute to cut this out. then most of the parts are just folded and taped or pop riveted together like a big piece of Japanese Origami. The speeds are faster than paper origami too... about 50 m.p.h. on the downhill. I'm chicken, won't go faster.
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File Type: jpg CIMG3008.JPG (71.5 KB, 72 views)
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  #8  
Old 10-25-2015, 11:19 PM
rcrawford rcrawford is offline
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That's pretty cool. 50mph is faster than I've gone on my Cervelo!
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  #9  
Old 10-26-2015, 09:48 AM
mikeacg mikeacg is offline
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Very cool Robert! I expect Charlie to be riding one of these the next time he comes through Newberry!

Mike
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  #10  
Old 10-26-2015, 01:33 PM
Charlie_L Charlie_L is offline
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Thanks Mike for thinking of me. That was a great ride, and the cookies were spectacular....

I would love to make one of these. I am curious how much faster the flat land cruise speed is on one of these versus a road bike?
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