Question about Axial Syma 9086 Helicopter

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Cannot adjust r/c helicopter rotation

I was recently given a Danbar rescue copter 3d. It rotates in the air without pulling control stick. According to the manual I "can stop the fly, use screwdriver to adjust the potentiometer on chopper circuit board lightly". The only phillips screw I can find is holding the drive gear to the bottom of the rotor shaft.

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  • Anonymous Jan 06, 2009

    I have exactly the same problem.



    Adjusting the yaw control trim on the transmitter helps; But, there is no adjustment on the circit board though there is a hole with arrows where this screw-driver adjustment is supposed to be. It is a capacitor under the opening NOT a potentiometer adjustment!!! NOT an adjustment!!!



    In my opinion; As is, it is not worth the money!!! It is worthless!!!

  • Anonymous Jan 11, 2009

    I have the same problem with the copter simply spinning around and around. However, I don't know where to look for this screw. Do I need to take the cabin off to find it?

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  • 68 Answers

You can adjust the trim under the stick on the transmitter and/or the trim screw on the helicopter. If this is still not enough the motors will need to replaced so power matches.

Posted on Aug 31, 2009

6 Suggested Answers

blueextc3221
  • 15935 Answers

SOURCE: shuttle 9094 r/c helicopter spinning on take-off

usually trim adjustments are on the controller... not on the vehicle itself.
a potentiometer os a fancy word for dial adjustment. It wont be a metal screw, but probably a metal square with a plastic looking slot that can be turned. usually white or blue plastic

Posted on Dec 22, 2008

micromend
  • 748 Answers

SOURCE: my rc helicopter can not fly it spin in floor

Hi
This type of helicopter uses a fixed pitch blade. Have you recently replaced one or all the blades? If the blades are correctly positioned then once the motor comes to speed, the pitch of the blade creates enough lift to overcome the force of gravity. The problem you're having can only be that the motor is not coming to speed or the blades have been replaced but the pitch is now at the wrong angle.

Posted on May 13, 2010

  • 65 Answers

SOURCE: i just bought a knight hawk helicopter flew it a

k tell someone from the store

Posted on Dec 25, 2010

  • 1 Answer

SOURCE: right out of the box

When the controller flashes, it means that it has not paired up the signal with the helicopter. Move the accelerator control (left stick) up and down quickly several times. The rotors should start to turn signalling that they are paired. Max out the stick forward and back quickly.

Posted on Dec 28, 2010

  • 4 Answers

SOURCE: Hi, My copter crashed and

zdfbdf

Posted on Dec 31, 2010

  • 1 Answer

SOURCE: My helicopter spins on the

you have to replace the motor

Posted on Feb 20, 2011

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Usually the problem is the small gear on the motor shaft that is not aligned to that big gear. Check on it and adjust the small gear of the motor.

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This problem can be especially confounding because the way the copter distributes torque on a slick floor can be a spin opposite to what you see in the air!

The solution is to get the machine in the air quickly and make your trim adjustment based on that. The tail rotor is very sensitive as you know so you need to be working that stick constantly to acheive trim, this is part of what flying an RC copter is all about. A four channel copter is much harder to fly but your dragonfly can prepare you for this.

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