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Old 02-04-2011, 11:43 AM
BobW BobW is offline
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Join Date: Feb 2011
Posts: 6
Would My Hacker Work in a MRS4 Porsche?

New guy here. I have a MicroRS4 Porsche that is pretty much box-stock except for the front one-way diff. I assembled it from a kit (not RTR).

I have a Hacker B20-31S motor sitting around and am wondering if it would be worthwhile to put it into the Porsche. Here's some spec's on the Hacker... 20 mm diameter, 2903 kv, Peak Watts - 120, Op. Current 5A, Peak 9A, Weight 1.44 oz. Shaft is 2.3 mm.

Couple of questions...

Would this motor work, or is the Kv rating too low... I`m thinking maybe a 3 cell lipo pack and a CC Sidewinder ESC. That motor would sure look sweet sitting in there, I think the stock motor mount should be OK

What size of pinion is recommended, I`m not planning to race it.. maybe some drifting would be fun. Would the HPI pinions work on this shaft size?

Would I be better off getting a Castle motor & esc combo...

Should this be a feasible upgrade... what other mods should be considered to handle the higher power. I can post a pic if this would help.

I`d appreciate any comments or opinions you guys would like to make.

Bob.
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