Hummina Shadeeba said:
Drone and bike esc don’t seem so different. Seems mainly need current limiting
https://endless-sphere.com/forums/viewtopic.php?f=2&t=23882&start=25
I don’t know why u mention interference flippy. I was thinking the caps are for the battery wire inductance so as not to blow up bits in the esc. Actually this street luge is more like twice as long as a bike and with 4 or 6 motors it’s a lot of wires
current limiting is not what they do. they convert DC into 3 phase AC.
they both do the same job, make a motor turn. but comparing them is simply not fair to the drone esc. and with interferance i mean inductance if that is what you are concerned about. there are many more issues when you go down the rabbit hole.
but fact remains that these issues you see with drones is simply not applicable to bike or scooter controllers.
a 4kW hub motor shipped from QS has 5ft of wires, that is 15ft total just for the motor phase wires. i rebuilt a couple golf carts with nearly 10ft of wire between the battery and the controllers and 8ft between the controllers and motors. never had a issue.
if your wires are the proper gauge for their job and you have anything else then some shitty aliexpress controller then you will be fine and you can ignore this whole issue, because its simply not a issue. at least not for the stuff discussed there and what you are going to build.
do not bring drone esc "knowledge" to a e-bike build. they are NOT the same thing. a drone esc is built for size and weight, not actual performance. they trim off stuff like proper input capacitance for weight savings. in a bike controller this is not a issue and you have LOTS of input caps as there is no weight or size constraints like you have on a drone.
you want to have some fun: put a drone esc with a simmilar rating as a bike controller on a ebike and run it. see how far it gets you before it burns out.