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General Category => General Discussions => Topic started by: truly_bent on June 20, 2012, 06:59:13 PM

Title: Revisiting the PRO 902
Post by: truly_bent on June 20, 2012, 06:59:13 PM

My riding buddy wants to electrify a small recumbent he has for his wife. For a number of reasons, the PRO 902 Rear (20") wheel kit looks like the best fit. I've volunteered to help him cobble it together.

I haven't been able to find any info on a freewheel gear cluster to fit this. How many gears can we put on this, assuming a standard 135mm rear dropout spacing?

Gary's kit looks like it's using the standard issue GM controller for this. In which case, can we run this at 48V to get a higher top speed? Presumably, the controller will take it.

I've only been able to find a spec sheet on the 36V version from the GM mothership at: http://www.goldenmotor.com/hubmotors/Mini%20Rear%2036V250W%20Performance.pdf (http://www.goldenmotor.com/hubmotors/Mini%20Rear%2036V250W%20Performance.pdf). Assuming, for a moment, that the 24V version, which is also rated at a (conservative) 250W is using a heavier gauge wire in it's windings (it would have to be, wouldn't it?), wouldn't it then be a better idea to bump the 24V version up to 48V for the higher speed?

Thanks...
8)

Title: Re: Revisiting the PRO 902
Post by: truly_bent on June 21, 2012, 10:52:24 AM

Okay, nix this idea.
My buddy is going to wait on the specs for the Mini Pie, which is coming out ANY DAY NOW(!).

Everybody go away; go back to your homes. The show's over.
:)