Discussions related to motors other than hub motors.
This includes R/C motors, botttom bracket, roller and geared drives.
Because you demanded it, here's the topic:
How would YOU build a 75 pound bike to outrun a 450cc both on and off the road. With or without shooting down a drone for parts.viewtopic.php?f=28&t=34862&start=75#p574446
Any sufficiently advanced technology is INDISTINGUSHABLE FROM MAGIC!
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"Out run" as in speed?
That is really a simple task.....especialy since a 450 (I assume you mean a 450cc motocrosser 4-stroke) is a single purpouse machine. An agni 95R with enough juice will embarass a crf450 on a 1/4 mile run.
Now building an e-bike that will run with one for 2 laps on an out-door motocross track.....that would be special. It aint going to happen anytime soon that I can tell.
You won't be able to make competive weight with current technology....
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