Weird Tail Blade Noise? - HeliFreak
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Old 09-04-2016, 09:25 PM   #1 (permalink)
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Default Weird Tail Blade Noise?

hey guy's on my x7 I have some 105mm edge tails. I noticed today on a hard left or right rudder piro and stop, or a piro flip I hear this sound like blades slapping against each other. I'm serious. literally say if you have a blade in each hand and you just lightly tap 1 against the other, not edge to edge. sorry for not having video. i've visually looked it over but don't see anything out of place.
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Old 09-06-2016, 08:00 AM   #2 (permalink)
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Sure comes from tail blades and not from the torque tube?
Out of curiosity, do u have the 6mm tail hub in it?
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Old 09-06-2016, 04:18 PM   #3 (permalink)
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Originally Posted by scoio View Post
Sure comes from tail blades and not from the torque tube?
Out of curiosity, do u have the 6mm tail hub in it?
not 100% sure where its coming from. that's just what it sounds like. also I did put the new 6mm shaft on the tail. does the tail on the x7 normally have a lot of gear slop in the tail?
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Old 09-06-2016, 06:09 PM   #4 (permalink)
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Originally Posted by em3jefferson View Post
not 100% sure where its coming from. that's just what it sounds like. also I did put the new 6mm shaft on the tail. does the tail on the x7 normally have a lot of gear slop in the tail?
No !!!!!

I would suggest you take a good look at the whole tail drive train before flying it again please.

Start with the crown gear mesh. Check this very carefully. Also check that the T-tube bearings and housings stayed in place when it was pushed in.
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Old 09-06-2016, 06:21 PM   #5 (permalink)
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You don't want this to happen....

My Movie (0 min 25 sec)


Yea, that's me...
I had strange noise too coming from the tail.....old hub installed..and that s what happened.

Make sure your TT is straight too, to have a hair of wobble is ok, but must be minimum (even though all GAUI TT are not perfectly straight out of the box).

So yes, like Dawiev said, have a good look to the whole tail drive system.
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Old 09-06-2016, 06:53 PM   #6 (permalink)
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For all the things I love about Gaui, the TT I cannot understand ! Do not assume it is straight, even when new - it will not be.
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