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HomeAircraftHelicopterThunder TigerOther › Thrust bearing 50 / 60 / 90
12-08-2004 10:03 PM  13 years agoPost 1
helihenk

rrNovice

The Netherlands

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Is there somebody who can tell me why the thrust bearing in the Raptor 50 SE is in between the 2 other bearings , while in the Raptor 60-90 SE the thrust bearing is on the out-side of the blade grip.

Can I change the position in the 50 thrustbearing to the out-side so it turns much smoother on the spindle ????

Thanks

Henk.

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12-08-2004 10:25 PM  13 years agoPost 2
Sipper

rrApprentice

Poole, Dorset, UK

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Hmmm, Dunno if it helps but my standard Raptor 50 has the thrust bearings shown as being on the main shaft end of the blade grip.


Sipper

My memory's not as sharp as it used to be. Also, my memory's not as sharp as it used to be.

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12-08-2004 11:09 PM  13 years agoPost 3
John Krebs

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Pittsburgh, PA

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You might be able to swap the outer bearing with the thrust bearing but it would lead to more flapping type play in the grip. the farther apart the radial bearings are the less critical the fit of the radial bearing to grip will be. Moving it shouldn't change the smoothness of operation. But do make sure that the thrust races are installed correctly. The one with the smaller inner hole should be the outer race.

On the V2 they move the inner bearing farther inward. This cut down on the play in the grips that was thought to be a contributing factor in (dare I say it) the woof problem.

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12-09-2004 07:58 AM  13 years agoPost 4
Wa11banger

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Huntsville, Al

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helihenk,

Great question I just put together my R70 and was thinking the same thing.. I am hoping someone in the know will answer this as it seems logical to have your thrust bearings out on the end bearing the load.

Just my .02
Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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12-09-2004 08:38 AM  13 years agoPost 5
SRH990

rrKey Veteran

Birmingham, UK

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With the TDG head I've fitted to my R50, the thrust bearing is fitted on the 'outside'.

Steve -Trex 700N, Trex 600N, Raptor 550E, 450SE, Mini Titan, Logo 5003D, Beam E4

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12-09-2004 11:34 AM  13 years agoPost 6
John Krebs

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Pittsburgh, PA

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Thrust wise it doesn't make any difference. If installed correctly the thrust bearing is carring all of the axle load no matter where it is.

John

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12-10-2004 11:52 PM  13 years agoPost 7
helihenk

rrNovice

The Netherlands

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Problem is solved !!!!!!!!!!
I placed the spacer between the trust bearing and the blade holder ,it should be between the 2 bearings.
It's a lot smoother moving now!!!!!!!!!.

Thanks Henk

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