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Other › Main rotor motor pinion gear...Where to buy???
10-08-2005 10:40 PM  12 years agoPost 1
Kokamo

rrApprentice

Liberty Hill Tx

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Hello, I just picked up a T-REX 450X completly built and ready to go. I have been relly looking it over and found a problem. It has an Eflite 400 brushless motor which is supposed to be a 2MM shaft size. The pinion gear that the guy put on there is just a wee bit bigger than the shaft size of the motor. Therfore when the motor spins, the pinion wobles and is really not good for the big main rotor gear. Where can I get these at? I looked at Helihobby and I come up with a part number of HX020 or HZ021, but it dosent tell what size the bore of the pinion gear is.

PLEASE HELP!!!!!

Thanks!

Joe

BTW....I am going to the local HS to see if they carry anything. Will post results later.

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10-08-2005 11:03 PM  12 years agoPost 2
nojohnny101

rrElite Veteran

10 miles north of​Cincy, OHIO

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hey
modefo's helis here:

http://www.modefosheli.com/_electronics


scroll all the way to the bottom of the page and there they are

Thanks
~Will~

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10-09-2005 02:21 AM  12 years agoPost 3
Kokamo

rrApprentice

Liberty Hill Tx

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Hey Will, Thanks, but can you tell me if the tooth pitch is the same as my REX?? I don't even have a clue what pitch it is.

Thanks, joe

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10-09-2005 02:52 AM  12 years agoPost 4
nojohnny101

rrElite Veteran

10 miles north of​Cincy, OHIO

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hey
to tell you the truth.....i really have no clue.....i'm putting together a HDE kit right now and am using Modefo's pinion...

i personally haven't been advised not to....(basically this post is just a bump )

hopefully someone knowledgeable will chime in

Thanks
~Will~

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10-09-2005 09:28 AM  12 years agoPost 5
BluMiniMe

rrNovice

Naples, Italy (US​Navy)

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Good link for pinions. However, what about 12T, 13T, 14T, 15T?

I've searched quite a bit online and have yet to find one store/site that sells a broad selection of pinions, in various bore/shaft sizes.

Its just a bit frustrating.

EDIT: Found this link in another thread. Confirmed to work on TRex & X400 main gears:

http://www.fxaeromodels.com/index.php?cPath=49_50_53_68

Chris

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