View Full Version : Gyro and Tail servor sound like snap, crackel, pop
wherndon
07-13-2008, 09:38 PM
I can hear a snap, crackle, pop sound coming from the gyro and tail servo. It sounds like something is getting hot and starting to cook. I unplugged the gyro and I can still hear it. Using a straw, I put it against both the gyro and servo and the sound is coming from both.
At low rpm the tail rotor deflects as normal, but when trying to lift off I loose all tail control. Its very unstable and dangerous to fly.
What is the warranty on the Belt CP?
I purchased it around the middle of June 2008 from XHeli.com.
Wayne
Ber60
07-14-2008, 06:47 AM
It sound like a gear of the servo is on the blink, I don't know about the warranty on the Belt CP dough, Esky servo's are not of the best quality, most of us use the tower pro's.
copterboy
07-14-2008, 07:48 AM
Have you checked if it is a belt/pulley problem. Have suffered from some similar noises, and it turned out to be a tail gear binding problem and stripped pulley/belt.
Good luck with it...
cobra314
07-14-2008, 08:06 AM
We checked the belt tension when we were adjusting everything. I'm thinking that the gyro has kicked the bucket.
another_finn
07-14-2008, 08:12 AM
So does the servo get warm? I'm thinking that sounds like your tail mechanism is binding, and the gyro is overworking the servo trying to push it past the obstruction. That would cause the tail servo to suck up a lot of amps and heat up... just before it fails. Where is your tail pitch slider when the servo is centered? Do you have full range available if you bypass the gyro and drive the servo to its limits?
cobra314
07-14-2008, 01:38 PM
So does the servo get warm? I'm thinking that sounds like your tail mechanism is binding, and the gyro is overworking the servo trying to push it past the obstruction. That would cause the tail servo to suck up a lot of amps and heat up... just before it fails. Where is your tail pitch slider when the servo is centered? Do you have full range available if you bypass the gyro and drive the servo to its limits?
There is nothing that appears to be binding. It is set up exactly like mine is. Just sitting still on the ground the gyro and the tail servo are making this noise. Nothing is binding though. The tail pitch slider is set up in the proper position. We tried bypassing the gyro. We unplugged it from the receiver, but that is obviously not the way to do it as the tail servo is connected through the receiver. Is there a way to bypass it?
another_finn
07-14-2008, 03:28 PM
Just plug the servo directly to the receiver - at least that should tell you if the servo is still OK and everything moves freely. Check the full range of motion and listen for skipping teeth and buzzing at the limits.