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HomeAircraftHelicopterThunder TigerRAPTOR 90 › 90 Blade tracking altering
01-11-2010 04:07 PM  8 years agoPost 1
philb

rrNovice

UK

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Has anyone had a problem with the tracking of the main blades, i have replaced the main shaft,spindle,links,dampeners etc. once in the hover the tracking will be ok but after a couple of minutes the tracking will go out, land and take up into the hover and it is ok for another min or so then it happens again, i have tried to fix the problem but to no avail, the only thing different is i have fitted maverick 710 pro blades before i had on 690 mavericks and the tracking only altered on the odd time, this is now getting to the stage where the blade track will go out by 10-20mm.
any sugestions please
frustrated
Philb

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01-11-2010 04:13 PM  8 years agoPost 2
jschenck

rrProfessor

La Vista, NE.

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check the screw that holds the ball link on the main grip. I had a bent one a few years back - that'll cause problems.

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01-11-2010 04:46 PM  8 years agoPost 3
philb

rrNovice

UK

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Fitted new blade grips as well plut the plastic ones on instead of the se metal it did not alter also fitted new swash mix levers found one bolt slightly bent small amount of difference but not realy noticeable.
Philb

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01-11-2010 04:49 PM  8 years agoPost 4
jschenck

rrProfessor

La Vista, NE.

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I'd look for slop in the controls somewhere then. I've cured slop issues by glueing the bearing sleeves onto the bolts for the pivot arms, washout arms and other pivot points. One way or another I'd look for a loose/sloppy fit somewhere or a bent something somewhere.

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01-11-2010 04:50 PM  8 years agoPost 5
jschenck

rrProfessor

La Vista, NE.

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I suppose it's possible you have two sets of bad blades - if you can borrow a buddys known good set of blades you can try that and see if it fixes this.

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01-11-2010 05:08 PM  8 years agoPost 6
philb

rrNovice

UK

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Thanks for the info i will glue the bushes on to the bolts later i will also try my mates blades as well, will let you know how i get on jschenck

Philb

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01-13-2010 12:48 PM  8 years agoPost 7
Dino Spadaccini

rrElite Veteran

USA

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thrust bearing how old are they and if they have been in a few crashes i would change them, also you could have one of your cyclic servos going out or bad gears in them, that will cause a problem like this swap the servos around elevator to alr and see what happens if it goes away then you know what it was

RIP Roman JR
Capt USA Align Factory Team Align - Conquer Your heart
Team Futaba

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