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HomeAircraftHelicopterAlignT-REX 600N › Tail servo linkage vibrating
10-13-2011 04:43 PM  6 years agoPost 1
CF1

rrApprentice

Olympia, WA

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I was noticing the other day that when my blades were spun up and I was still on the ground the linkage from the tail servo to the tail control arm vibrates a lot. I don't see any other vibrations going on anywhere so I;m just assuming it is the long metal wire resonating the harmonics from the motor. Is there any way to stop this? Thicker wire ect?

Thanks,
Chris

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10-13-2011 06:22 PM  6 years agoPost 2
Simmer

rrElite Veteran

Massachusetts

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I have not seen this, but the two guides on the tail boom could be moved to split the distance along that boom , might make it better. What engine ? Muffle combo are you running. Of all the links on my 600N the ones that get checked and replaced most often are the four along this control rod, from servo to the tail. If you get noticable play here, better safe than sorry I think.

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10-13-2011 06:25 PM  6 years agoPost 3
RaptorRob

rrApprentice

hamlin P.A.

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You can always add another tail control rod guide or two... or go with the overkill of a carbon rod and guides. IMO if its not messing with the gyro or tail servo in flight it may just be the vibes of the motor during low rpm and spool up.

no babe i swear i sold my other heli to buy this one :)

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10-13-2011 06:27 PM  6 years agoPost 4
CF1

rrApprentice

Olympia, WA

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Wrong pushrod. This is the one that runs along the frame between the servo and the control arm. I can see it vibrating just below the main gears. I'm running a freshly rebuilt OS50 with an Hatori Bobby Watts pipe.

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10-13-2011 08:27 PM  6 years agoPost 5
RaptorRob

rrApprentice

hamlin P.A.

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You can do what they did for the 700. They have a carbon or hard plastic tube that you cut to size and slide over the thin metal rod then tighten the link end down to it, and it makes it very ridged.

no babe i swear i sold my other heli to buy this one :)

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10-13-2011 08:49 PM  6 years agoPost 6
helixangle

rrKey Veteran

Mamaroneck, NY - USA

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or slide some fuel tube over the metal rod, should be fine.

I have the same problem, I've been running mine since 2008, no tube no nothing, haven't had a problem, nor heard of one.

Be sure the juice is worth the sqweeze
Remember life is hard...even harder for stupid people

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10-13-2011 08:56 PM  6 years agoPost 7
Simmer

rrElite Veteran

Massachusetts

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ok Got ya, well I have seen this, and fyi its generally the metal ball that wears (an oval band) makes the plastic link loose. It should not be an issue, but as I said, this control take a beating. Change the ball if you find play there. A new plastic link may give you a short term resolution, but its not the real potential issue. Has not effected my controls. hehe except for that one time where it just came off the rear belcrank. Same deal. The metal balls wear before the links do.

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10-14-2011 01:32 PM  6 years agoPost 8
helixangle

rrKey Veteran

Mamaroneck, NY - USA

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+1

I have changed the ball on the servo and the bell crank several times over the 3 year life of my 600

remember soft material will cut hard material

Be sure the juice is worth the sqweeze
Remember life is hard...even harder for stupid people

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