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HelicopterThunder TigerOther › starter shaft making rolling moan sound in flight
05-01-2004 03:53 AM  13 years agoPost 1
smashplane

rrNovice

mount olive mississippi

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I have a v2 raptor 30 with 3 gal of fuel through it and no crashes.In my maintenance I spun the starter shaft clockwise and it felt crunchy.I pulled the motor and inspected the clutch/one way roller assembly
it looked good and felt smooth(I also had the starter shaft removed).
When I bolted the motor back up, it was smooth until I fully tightened the mount bolts.It would smooth out if I grabbed the muffler and pulled up on it,so I shimmed the motor mount with a small thin washer on the top
muffler side mount bolt and the other side on the bottom.It worked great perfectly smooth.I also noticed it cured a rolling moan sound the copter was making in flight.The motor alignment was off for sure.The mount holes were not worn at all and it hasn't been crashed.Has anyone else had this problem?

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05-01-2004 05:09 AM  13 years agoPost 2
Salty

rrElite Veteran

St. Augustine

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good job on chasing your problem, also lookat your clutch bell bearing I have found these tend to go out quite a bit and give you that notchyness , bt no I havent heard of that before....

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05-01-2004 09:29 AM  13 years agoPost 3
Al Magaloff

rrMaster

12,199 Posts- Enough Time Wasted. See Ya!

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Buy "The Greaser" from here http://www.ronlund.com/Merchant2/me...ct_Code=GREASER and never chase bearing issues again. The motor alignment will take it's toll on the bearings, if way off. Sounds like your headed in the right direction.
.

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05-01-2004 10:19 AM  13 years agoPost 4
toppo

rrApprentice

england LEICESTER

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u have left the washer out from the bottom of the engine under the clutch ????? just a thort i did not and i got similar noise when running up

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05-01-2004 01:12 PM  13 years agoPost 5
smashplane

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mount olive mississippi

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If you are talking about the thick washer that comes with the engine it is not installed.The very thin spacer that goes under the clutch is installed.

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05-01-2004 05:56 PM  13 years agoPost 6
toppo

rrApprentice

england LEICESTER

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yeah that sounds ok hmmmmm

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HelicopterThunder TigerOther › starter shaft making rolling moan sound in flight
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