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06-08-2012 04:27 AM  9 years ago
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Farley

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Sterling Heights

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help
I got a align 450 pro v2 fbl heli the problem I got is tail wagging I raised and lowered the gyro gain still nothing, it comes then it goes I still have the 3gx in it if anyone have any suggestions on how to remove this wag I'm open for suggestions thanks fellas
"U get what u pay fo"
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06-08-2012 04:40 AM  9 years ago
Colt 1911

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USA

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I just had the same problem, I build a brand new 450 pro 3gx kit and over used lock tight and to much torq on the tail grip bearings, one had just a slight bump in it and it was very slight, but that was all it took, I could go from 0 to a 100 and tail would not hold or wag much, change tail grips out and the tail holds rock solid, it's crazy such a small thing made so much trouble for me, so if it's not very smooth and you get any kind of catch when you remove the tail rod from tail servo that's your problem, good luck.The right of the people to keep and bear arms shall not be infringed
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06-08-2012 05:14 AM  9 years ago
Farley

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Ok thanks colt I'm going to check that tail thanks again"U get what u pay fo"
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06-08-2012 07:32 AM  9 years ago
ZS-JAF

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Nazareth, PA

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Channel 7 is the only channel for the gyro gain if using sats. Must have a 7 channel TXI have a 3D heli, I don't understand why it doesn't do 3D.
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06-08-2012 02:15 PM  9 years ago
Farley

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Hey zs I'm using a dx8"U get what u pay fo"
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06-08-2012 05:08 PM  9 years ago
jschenck

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La Vista, NE.

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I've seen this a few times - bad tail grip bearings. The 450 3GX kits came with some bad bearings in the tail grips that will fail almost immediately. Take a look at them and let us know if that's the issue.

I've also seen this from loctite in pivot joints.
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06-08-2012 06:20 PM  9 years ago
Farley

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Js you think it could be the bearing s even if the wagging comes and goes if I start off in a hover is okay halfway to the battery the stars wagging"U get what u pay fo"
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06-08-2012 06:47 PM  9 years ago
Farley

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I check the bearing they look good"U get what u pay fo"
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06-08-2012 07:18 PM  9 years ago
jsenicka

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Eagle River, WI

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Make sure you have the ball on tail servo all the way in. I use one of the wheels, and closest in hole.
Make sure you have zero friction on the tail pushrod. With the pushrod off of the servo, it should be silky smooth.
Jim Senicka
Team Manager, GrandRC Flight Team
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06-08-2012 07:31 PM  9 years ago
jschenck

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La Vista, NE.

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Js you think it could be the bearing s even if the wagging comes and goes if I start off in a hover is okay halfway to the battery the stars wagging
bad bearings pretty much are a problem from spoolup - worse at higher headspeeds so it'd be worse at the start of the flight.

That description almost sounds like a bad servo.

I personally recommend replacing the wire pushrod with a CF pushrod on the 250 and 450 since the wire pushrod flexes so much on this size heli. That won't solve a wagging/hunting tail at hover though.
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06-09-2012 07:35 AM  9 years ago
Farley

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Sterling Heights

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Js I changed the torque tube rod and bearing, the bearing was in the wrong place it was near the end of the rod and I changed the rod that the tail blades slide across it was a nick on it but still I took it up and the wag is still there but thanks for the help"U get what u pay fo"
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06-19-2012 06:53 PM  9 years ago
vroomz28

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Bagram, Afghanistan

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Farley... I had the same problem, but I was using a FUtaba 9CHP 72mhz radio and no matter what I did, the wag was still there....until....

I figured out that they gyro gain adjustments I was making were not being sent. The gyro gain was "INH" or turned off in the transmitter. I changed the setting and immediately the tail was solid with NO WAG. I'm not sure about your transmitter, but check to see if your gyro settings are active.

Steve
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06-21-2012 05:32 AM  9 years ago
Farley

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Sterling Heights

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Vroom I checked its on"U get what u pay fo"
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