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Ebike 4.0 New motor mount (Patreon)

Published:
2018-08-08 10:44:42
Imported:
2026-06
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Content

For those of you that spotted the spoiler at the end of last weeks video. This is the new design that I have decided to go for!

Files

Previews only

Comments

Anonymous

Great ! Legs did not touch the motor ?

Anonymous

Tom, who am I to say but, I think that motor mount position looks as though it will make pedaling difficult if not risky to the left leg. If you leave it there you will need to fully guard the rotating pinion and belt. Wouldn't it be better to mount the motor off the top of the rear forks, you don't even have any brake calipers in the way.

Anonymous

Actually that's similar to what you showed in your post on 17 July.

tomstanton
>>14504719

Legs are naturally wider as pedals are wide, however in certain positions, it's a bit close. I will make a guard to prevent any painful encounters!

tomstanton
>>14504846

Yes it will require a guard for sure. However, I've done a few cycling tests with a 'dummy' motor mount and it's surprisingly not an issue. Because the motor/mount is narrower than the pedal crank, it's only an issue when my foot is at the lowest position and I tuck my knee in.

U.S. Water Rockets

Are you still going with the ratio reduction pulleys?

tomstanton
>>14505759

Yes I'm still going to do the double step down ratio using an additional shorter belt. So will be 20T-40T, then 20T-180T

Logan Vinson

Can't wait to see how it develops!

Anonymous

At least it keeps the CoG low which is a very good thing. You could almost have put the transmission between the motor and the pedal to take advantage of the chain transmission

Anonymous

Looks so good Tom! 😍

Anonymous

Nice mount ! But for French viewers like me it’ll be hard to understand all your great explanations without good subtitles.. I can try, but if you know a good potential translator, ask him please !

Darcy Snell

Great new design! So awesome how rapidly you can test and finalise these 👌 Are all the electronics waterproofed? What happens in bad weather?

tomstanton
>>14573092

Yes I will be waterproofing the speed controller and putting a cover around the motor, which will also protect my leg from it. Thank!

Anonymous

Excellent that you backed up computer simulation of pulley spoke with real mechanical load testing. I have to say though that i was struck by the Chiron becaus of its large build volume. Please let us know what you think of it as you get some use out of it.

Anonymous

Hi Tom, Which motor is this???