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An Electric Bicycle |
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vtsteam:
Here's walkaround and a ride on a Solex. I detect a reluctance to stop for any reason once moving..... Does look like fun though! |
dsquire:
--- Quote from: vtsteam on June 01, 2014, 10:44:03 PM ---Here's walkaround and a ride on a Solex. I detect a reluctance to stop for any reason once moving..... . . Does look like fun though! --- End quote --- Steve I think the only reason he ever slowed down was to prevent a "T" Bone. :lol: :lol: I am enjoying following along on this one. :D :D Cheers :beer: Don |
tom osselton:
I think the driving friction would wear out the sidewall too fast it's better to have it ride on the tread, depending on what tire you use some have fairly deep distinct treads offering possible tire/drive roller engagement. A buddy at work had a weedwacker motor on his bike and drove it from Calgary through the mountains to Vancouver bc from there he started heading north up into the Charlotes. It would be a hell of a holiday! |
tom osselton:
Well it looks fun but I was waiting for a car door to open :D he was cutting it close to most vehicles or so it seemed but could just be the camera. Might be a candidate for the Darwin award! One thing to remember is they were not designed to stop at any great speed! |
vtsteam:
Yes Tom, Don, reminded me of of The French Connection in a sort of 20 mph bicycle way, if I can put those two things together....! I kept pulling my right leg in to prevent hitting a parked video car! Definitely not sidewall drive as a possibility vs tread, Tom -- I was thinking of the metal rim and a rubber drive. Steve, Just as a gut feeling I think 500 watts isn't going to do 30 mph, and so the ratio should be aimed at slower speeds w/ motor running ~ 6000 rpm. If you optimized for say 15 mph @ 6000 rpm, you could run a killowatt for higher speeds without changing ESC or motor at your projected 24 V batt supply. That would be about 40 amps x 24 V. Your ESC is a 60 amp controller. So say bike wheel is turning somewhere around 185 RPM and motor 6000 rpm, and work out the ratio from that, or even lower speed. I think if you do wheel drive the rubber driver is going to end up somewhere closer to an inch plus in diameter then -- but I haven't done the math. |
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