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馃榾馃毑
馃榾馃毑
@enobacon@urbanists.social  路  activity timestamp yesterday

Riding the #lectricOne around a bit and I'm just astounded that they put a throttle on it and then mapped it to do the stupidest behavior imaginable. The fatbike hub motor has a lot of torque in the 20in wheel (2.3in not-really-fat tires) so pedal-assist level 5 hits hard if you're not pointed uphill, even level 1 is a bit severe. But if you're in level 0, the throttle does nothing, in level 1 it's limited, so you have to turn it to 5 to get full throttle command. Why have a throttle? #eBikes

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馃榾馃毑
馃榾馃毑
@enobacon@urbanists.social replied  路  activity timestamp yesterday

Throttle should have full range from assist level 0 and never change its max power. I could see some utility of adjusting that on the fly but really just no.

People complain that pedal sensors are too on/off, but the problem is everyone uses a button pad to adjust them when that should really be like a grip shifter or something you can more easily do with mittens and be able to go all the way from 0-9 or whatever in one motion.

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馃榾馃毑
馃榾馃毑
@enobacon@urbanists.social replied  路  activity timestamp yesterday

The lurching behavior can be controlled somewhat with ramp-up, but why are no e-bikes using an inclinometer, since weight and incline are what you really want to adjust the power to match?

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Jef Poskanzer
Jef Poskanzer
@jef@mastodon.social replied  路  activity timestamp yesterday

@enobacon Inclinometer is the germ of a great idea but you'd have to compensate for acceleration, which would look to the sensor the same as a change in incline. Seems like the engineering would be tricky but doable.

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Gemma 猸愶笍馃敯馃嚭馃嚫 馃嚨馃嚟 馃帎
Gemma 猸愶笍馃敯馃嚭馃嚫 馃嚨馃嚟 馃帎
@gcvsa@mstdn.plus replied  路  activity timestamp 15 hours ago

@jef @enobacon The engineering is easy. The mfg knows the OEM bicycle weight, and the calculation to derive the actual gross vehicle weight from motor output power and actual acceleration is high school math, F=ma. 3D accelerometer chips are built-in to every smartphone, now, and are cheap.

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