spur/pinion

Nealm759

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Arrma RC's
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so when i change out my engine yesterday to a fireball from hpi, my buddy that gave it to me also gave me a 23 gear, It seems to be running great, smooth quick take off. Is there any consequences for upgrading only that gear?
 

WoodiE

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Keep an eye on your temps. So long as the motor isn't getting to hot then you will be fine.
 

Nealm759

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wouldnt a 23 pinion make the motor not run as hot? I thought I had read that somewhere.
 

travis328

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Generally, higher tooth pinion gear or lower tooth spur gear means more heat. Lower tooth pinion gear or higher tooth spur gear means less heat.

There are a few cases, very rare, when too small of a pinion gear can cause a hot motor also, but this would be in extremely under geared situations.
 

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