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> > http://lists.evdl.org/listinfo.cgi/ev-evdl.org
> > Read EVAngel's EV News at http://evdl.org/evln/
> > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/
> > group/NEDRA)
> >
> >
If you use that ebikes.ca calculator, set the controller current limit well
above what the motor can handle, you will see maximum power at close to 50%
of maximum RPM, this is at full throttle, and current only limited by the
motor resistance. At that 50% speed efficiency is also around 50%.
Where did you get the 20" hubmotor?
I want one for my bike E .
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Please discuss EV drag racing at
It is important to keep in mind that an e-bike (and a motorcycle) are a
"brick" aerodynamically. That is, e-bikes have a very high drag
coefficient, like 0.5 or more. There is not much you can do about it,
besides things that are unacceptable to most bicycle riders like
enclosures and
Lee Hart wrote:
> My Bike-E has a 7-speed rear hub, and of course a very long chain. My
> thought was to mount the motor under the seat, with a freewheel
> sprocket to the chain.
> That way, it gets the benefit of the gearing. The freewheel means you're
> not spinning the motor when it's not
ken via EV wrote:
I have a Bike E with a 20" rear wheel I want to put a 36 volt at 500 to
1000 watt hub motor there but I want it RPM effecint for 20 mph. where
do i find such a wheel at reasonable price.
I also have a Bike-E, and have thought of electrifying it. But its handling is
such
I have a Bike E with a 20" rear wheel I want to put a 36 volt at 500 to
1000 watt hub motor there but I want it RPM effecint for 20 mph. where
do i find such a wheel at reasonable price.
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> group/NEDRA)
>
>
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