Embt is a niche in the large ebike space, and I agree that regen may be better suited for other applications. All the way from adventure/SUV type bikes to cargo.
Full suspension "adventure" type bike with spring tensioner pushing belt up just below the chainring. Same design as Pinion MGU. Initially I had the Bosch dynamic setting set to +5 in turbo (power agressively coming on), and I think the belt cog jump may have been from standstill. I've since...
2 different teams of engineers (probably in different companies) that can't do each others job, so this will happen in parallel if we like it or not :)
I see regen as a net positive. We get some additional charging. Speed is controlled on decents (grandma could set it to come on as low as 20...
Remember the Zeroshift transmission 20 years ago? Was destined for road cars. Not quite the same tech as F1 uses, but both systems temporarily engages 2 gears meaning uninterrupted power. While the transmission worked, it created a big ask of the engine and driveshaft to match the new rpm. At...
Worst case the belt will skip a cog or come off? Assuming there is a tensioner. The last month I've had 3 cog skips, or at least that's what I think is happening. Something akin to a worn chain jumping a tooth but with a different sound.
I am currently riding a belt driven cvt in the form of a Bosch motor + Enviolo hub for commuting, touring and the odd excursion on easy trails. Being a crude version of an ecvt, it's been mostly great. The main drawback is the heavy hub which will be solved with a motor/gearbox. Changing gear...
I asked AI how much regen force a Gobao X1P could possibly generate. 0.4G peak, apparently. There's a lot of variables and the math could be off. But if true, that's pretty good.. So paired with a hydraulic front brake, we'd probably only need a one pot 140mm rear brake. The pads would last for...
I've looked into planetary gearing a bit. It's very flexible and you can configure it in a number of ways. The sun gear is sentral here, as is the possibility to lock it with an electromagnetic brake (no current = locked) or a sprag clutch.
1) Sun gear is only allowed to go forward: When...
I was commenting on what will happen when the battery is dead or disconnected, however unlikely. You think moving the pedals will force the bike forward in this scenario?
I'm unsure if the bike will move at all when the battery is dead. The motor that is responsible for the rider getting a sensible cadence will spin freely, if I'm not mistaken.