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Home › ✈️Aircraft › 🚁Helicopter › Thunder Tiger › Other › wobble in starter shaft?
05-25-2007 10:12 PM  13 years ago
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SilverBullet

rrApprentice

Bentonville, AR USA

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wobble in starter shaft?
I bought a used 30V2 and I am going back over it to make sure everything is OK. This is my first nitro. Is it normal to be able to wobble the starter shaft around in a circle (not spin, but wobble). It seems like there is an awful lot of play. If I hold unto the clutch bell or the starter coupling, I can wiggle it side to side or around in a circle. Is it supposed to do that, or do I need to take the fram apart and replace bearings?
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05-25-2007 10:30 PM  13 years ago
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Shoego Heli

rrVeteran

San Diego, CA, USA

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You need to kind of wrap a finger or 2 around the blade grip and shaft, like holding a pool cue and have the shaft spin in there. This will keep the shaft spinning straight and allow you to hold the grip/blade when the heli starts.Having my heli: Cool, Having a working heli: Awesome, Having a day to fly: PRICELESS!
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05-26-2007 12:39 AM  13 years ago
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bmw

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Lake Zurich U.S.A.

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That shaft should not move like that, you need a new bearing.Runway? what runway??
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05-26-2007 09:06 PM  13 years ago
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JAGNZ

rrProfessor

Auckland, New Zealand

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No that is not normal, but it is common on Rappies, it is a weak point in the design. Get the QUK 3rd bearing support on your rebuild and you'll also probably find that the pinion needs to be replaced because the bearing has been spinning on the pinion causing the wear and wobble you describe...also loctite the bearing on to the pinion when you do your rebuild. Then you will not have this problem again.
Jason Greenwood

www.3dheli.co.nz
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05-29-2007 06:13 AM  13 years ago
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SilverBullet

rrApprentice

Bentonville, AR USA

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Found the issue! Looks like the previous owner installed a V1 clutch bell assembly and starter shaft into the V2 frame. The bearings on the V2 are 6mm and the starter shaft on a V1 is only 5mm. I went ahead and ordered all new parts to replace the clutch bell assembly, starter shaft assembly, and bearings. At least I then have the peace of mind that all parts are new.

I think I read somewhere about using loctite on the clutch bell bearings and/or pinion. Can anyone elaborate and also which loctite do I use (I think it is the red?).
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05-29-2007 06:42 AM  13 years ago
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JAGNZ

rrProfessor

Auckland, New Zealand

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Yes, loctite the pinion bearing on to the pinion. Use the Loctite bearing mount product. It is sort of orange in color.
Jason Greenwood

www.3dheli.co.nz
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