Contactor-based Power Assist

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Posts: 108
Joined: Wed Apr 25, 2007 6:45 pm
Location: Bristol

Re: Contactor-based Power Assist

Postby andylaurence » Fri Jan 07, 2011 7:22 pm

Thanks for that. 342in-lbs (1.14*300A) is ~38Nm, and given the max RPM of 3600, that's a 3.75:1 ratio hooked up to the engine, bringing it down to just over 10Nm at the crank. That's an increase in torque of ~11.5% at the red line. I'm sure I'd notice the extra shove in the back, but I'm not sure whether it's worth the extra weight.

Those specs you have found are markedly different to those listed for the replica, yet the torque/amp and rpm/volt are identical. It just looks like they've taken the voltage/current limits and doubled them!
Above figures include track days and the odd competition.

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