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E-Bike Electric Motorcycle CAD model - During the summer of my junior year, I was employed via an RIT research grant to help design and develop a rental electric bicycle fleet for the campus.
My job mostly consisted of creating and managing the CAD models for an electric motorcycle and 3d printed battery holders. The design of the motorcycle was very heavily dictated from above, so I did not get a lot of say in it's dimensions or aesthetic.
Electric motorcycle raw material - This was the tubing used for the motorcycle. My boss wanted to create a homebuilt motorcycle, meant to be easily manufactured by students. It was because of this that I decided to try to keep most machining operations as close to straight drilling and cutting as possible.
Welded chain stays - Showing the straight through drill, stays parallel to the down tube, and 45 degree angle cuts on the corners. We would have liked to have used bent tubing, but did not have the facilities.
Two pack battery holder solid model - One of the goals of the program was to develop a way to use standard cordless drill batteries. In order, from top to bottom; plastic cover, copper contacts, plastic backplate. The last item turned out not to be necessary; originally we were going to machine the holder out of aluminum, but the ABS printed part turned out to be strong enough for functional use.
Printed holders on bicycle - Test fitting the holders on one of the bikes we had lying around the shop. They eventually found their use in the baskets of the kickbikes the program chose to use for the fleet.
3D Printed holder with contacts - This was what was screwed on to the bike. The holder had holes drilled in it to fit the spacing for standard bicycle water bottle holders.
Printed quad holder - The printed holder doing it's job; unfortunately we didn't have quite enough time to rectify a few of the problems that prevented us from putting it right on the bike.
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