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HelicopterBeginners Corner › Trex 450 sev2 repair issue
06-02-2009 11:24 PM  8 years agoPost 1
ridnick

rrNovice

scranton, Pa -USA

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Hi,

I am just moving to forward flight. On my second flight i slowed the heli down too much making it go backwards into the ground.

I replaced the tail rotor blades, main blades, fethering shaft, main shaft and my training gear ( poor wodden dowels )

After the repair was complete i put the blades back so the tracking was good and i noticed that at 0 pitch they would fan out ( the gap would go from none to a decent amount) this would make a deep air moving noise.

I need advice on what to check next?

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06-02-2009 11:52 PM  8 years agoPost 2
duceduc

rrKey Veteran

Saitama-Ken, Japan

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Change the damnpers.
Check to make sure the plastic and metal links are not worn or loose from the main grips.

What type of blades is it? Woodies, CF, fiberglass?

Duc S
Do It! Do It!™
AMA:REVOMIX
RCK:24005615-01

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06-02-2009 11:57 PM  8 years agoPost 3
ridnick

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scranton, Pa -USA

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a set of align 350 pros ... woody

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06-03-2009 12:13 AM  8 years agoPost 4
Heli 770

rrProfessor

USA.

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Check for cracks on the main grips, I'm surprised the woodies made it!

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06-03-2009 12:15 AM  8 years agoPost 5
duceduc

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Saitama-Ken, Japan

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The wood blades might be the cause aswell.

Duc S
Do It! Do It!™
AMA:REVOMIX
RCK:24005615-01

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06-03-2009 12:40 AM  8 years agoPost 6
ridnick

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scranton, Pa -USA

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it was a new set of woodys they kinda made it ... i would never use them again.

I replaced the dampeners and the ball links on the grips were a little notched and beat on. Re tricked the blades in and it seeems great .. i hovered it for 4.5 min no issues

Thanks for all of your help i will probably need it in the future

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HelicopterBeginners Corner › Trex 450 sev2 repair issue
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