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T-REX 250 › trex 250 pinion question
09-01-2009 03:27 AM  8 years agoPost 1
Turner0022

rrApprentice

Old Hickory Tn

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i just bought a new scorpion motor for my 250, can i reuse the pinion thats installed on the stock motor ? do i use lock tight to make it grip?

I am unstable and have no safe mode

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09-01-2009 05:25 AM  8 years agoPost 2
dkshema

rrMaster

Cedar Rapids, IA

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Yes, it's a reusable pinion. Remove it using a bit of heat to loosen the old loctite, clean the bore and the new shaft, install the pinion on the shaft using the green R48 stuff. Let cure, go fly.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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09-01-2009 12:19 PM  8 years agoPost 3
Turner0022

rrApprentice

Old Hickory Tn

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great! thanks for the info

I am unstable and have no safe mode

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09-01-2009 02:48 PM  8 years agoPost 4
Darren Lee

rrElite Veteran

Woodstock, GA

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Well, it really depends on which Scorpion motor you have and what headspeed you want. The 2206-3900 is killer on the stock 15T pinion.

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09-01-2009 02:53 PM  8 years agoPost 5
JohnThompson

rrApprentice

Chesapeake, VA

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Scorpion sells a nice pinion set with a set screws.

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09-03-2009 03:30 AM  8 years agoPost 6
Turner0022

rrApprentice

Old Hickory Tn

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green loctite done the trick ! geesh the punch out power of this motor is insane with the 40c battery's i use!!! glad i made the upgrade

I am unstable and have no safe mode

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T-REX 250 › trex 250 pinion question
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