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Re: lower blade main gear replacement/ CX-2

by <IYM> Feb 6, 2008 at 10:11 AM

More than likely, on the crash/hit that stripped your gears the shaft was 
also bent.  The extra force you had to use was an indication of that.  You

probably had to pull a little harder on the outside shaft to get it down
and 
out of the heli too.  A good way to check for that would be to put the 
bearing back in the gear and the bearing holder back on the other end. 
Put 
your inside shaft through both, then hold the inside shaft firm and spin
the 
outside shaft. If bent, you will see some runout (wobble) somewhere along 
the outside shaft as it spins around.

BTW, after you get it back together your first operational test should be 
hooking up the battery then slowly power up the lower blades first.  Watch

for any wobble in the upper blades while their not moving.  If OK, stop
the 
lowers and spin the uppers and watch for the same.  No wobbles your good
to 
go...If you get any excessive wobbling, remove the blades and check it
again 
up close.  If no runout, try a different set of blades.  I've chased down 
what I thought was a bent shaft, before I found I had a bad new blade 
(happens a bit that you get 1 or 2 unbalanced/bad weighted blades in that 
4-pack)

PS:  I'm assuming it was a crash and that you were not able to kill the 
throttle quickly enough or you were trying to save the bird - Usually the 
main reason for gear stripping.  The blades usually break first, but if
they 
don't and you don't kill the power, the gear teeth will go...

Good Luck,

IYM

"rich brady" <rbrady2@[EMAIL PROTECTED]
> wrote in message 
news:lo5qj.54450$Pv2.44799@[EMAIL PROTECTED]
> thanks, I did have to order the shaft though. (E-Bay) so now I'm a
little
> worried about that.  Everything came off as you said, but I had to use 
> some
> force to get the inner shaft out and the lower blade holder off.  Now
the
> waiting until the new shaft and gear arrive.....
>
> "rich brady" <rbrady2@[EMAIL PROTECTED]
> wrote in message 
> news:mz3pj.6907$Rg1.6341@[EMAIL PROTECTED]
>> Can anyone tell me is there a good way to remove the lower blade main 
>> gear (outer shaft) on a blade CX-2.  Mine has about 5 teeth stripped
out, 
>> I've orded a replacement, but am having trouble getting the old one
off. 
>> Any help is great. Thanks  Rich
>>
>
>
 




 4 Posts in Topic:
lower blade main gear replacement/ CX-2
"rich brady" &l  2008-02-02 13:32:43 
Re: lower blade main gear replacement/ CX-2
<IYM>   2008-02-04 09:07:49 
Re: lower blade main gear replacement/ CX-2
"rich brady" &l  2008-02-05 16:25:41 
Re: lower blade main gear replacement/ CX-2
<IYM>   2008-02-06 10:11:53 

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