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


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Posted on Jan 02, 2017

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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

  • 748 Answers

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

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

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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

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SOURCE: Hi, My copter crashed and


Posted on Dec 31, 2010

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1 Answer

Nemisis battle copters on same channel

I just fixed this problem on mine. The helicopters are not actually set on channel A. Not sure why it says that on the bottom. They match the channel on the controller.
Here is how:
-First turn one helicopter on
-On one of the controllers select channel "C"
-Move the throttle stick(on left) all the way down
-Turn the controller on
-Move the throttle stick all the way up and then back down again
-When the light goes from blinking green to solid green that copter is ready
-Repeat this with the other copter but select channel "B" or "A" instead

For some reason it works better when you start with the higher channel, C, first and then work your way down.
Hope this helps!

Jan 08, 2013 | Toys

1 Answer

My green air hog helicopter is spinning on the ground, it won't lift and fly, how do I fix it?

There is a problem on the motor gear, check the underside where you could see a big gear that should spin when you try to lift the helicopter. Check both big gears if they rotate/spins.
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.

Hope that copter flies high.
Thanks for asking FixYa!

Aug 09, 2011 | Air Hogs Havoc Heli Helicopters

2 Answers

Right out of the box yiboo uj 381 r/c helicopter. Copter charged and new batteries in the controller. Lights flash on the copter and flashing light on the controller but nothing happens. what's wrong

did you turn the radio on first. It must be powered up with the throttle stick at minimum. Turn power on and then move stick to maximum and back to minimum. The remote lite should stop flashing and then power on helicopter.

Dec 25, 2010 | Toys

1 Answer

My helicopter wont come more than 6 inches off of the ground. What could be wrong? There is nothing tangled in it and the item is new.

sounds like remote control is out of adjustment. Instruction book if you have one shows how to null out the rotation i found that if not right to much rotation the main blades lose some power. When i adjusted it to cancel the rotation the copter lifted quickly. may be the problem. adjustment is on the lower rigfht of controler.

Dec 25, 2010 | Cobra Electronics Cobra RC 3 Channel Mini...

1 Answer

Spins counterclockwise...already adjusted trim

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.

Dec 24, 2010 | Jumbo RC JUMBO HELICOPTER

1 Answer

My boys have a venom micro troop transporter helicopter, serial #2650915228A. Lately, when the copter is more than 8 feet from the controller the copter dies. Is there any way to increase the range?...

The range itself is configured in the electronics and controlled by the FCC. The most common problem here is the transmitter batteries are weakening or are those clone type batteries. If you can find them, Fuji makes the best batteries for RC electronics. Good luck

Jul 08, 2010 | Venom Micro Rescue Helicopter Ready To Fly

1 Answer

Hamilton X-Copter Watch troubleshooting

Just pull it out to the second click/position and adjust time. When you unscrew the crown, it is in winding position, when you pull it out to the first click - it is in day/date adjusting position, when you pull it further out to the second click - it is in time setting position. In case if you do not have screw down crown, everything is the same, just you do not have to unscrew the crown. Rate me, plz.

Jan 27, 2010 | Hamilton Watches

1 Answer

Air hog havoc goes up and down just fine, no steering control

The steering control only makes the copter rotate.

But if the heli is properly balanced a right turn should get you some forward motion. A left turn should just make it spin back to the left.

Adding weight to the front of the copter will give it continuous forward motion. Then you will lose the ability to hover.

If you visit the Air Hogs website (, select "need help" and then Havoc Heli, then crash course, the video will show you how it works.

I also find that climbing makes the heli spin left and descending makes it spin right. So full right for initial startup, then a little right when climbing, and a little left when descending helps to smooth things out.

Keep in mind that this is a very small and cheap helicopter. It took me a while to get used to flying in circles to the right but with practice I have been able to get it to go somewhat where I want it to. I can take off and land from the coffee table without crashing.

Jan 15, 2010 | Air Hogs Havoc Heli Helicopters

2 Answers

Where can I get copy of instructons - Air SBEGO Mini IR Helicoper

have you made sure that the helicopter is charged completely?

if so when you try to take off if it spins to the left then hit the r trim on the remote and if it spins to the right then hit the l trim on the controller.

honestly all the instructions do is tell you how to put batteries in the controller.

Dec 30, 2008 | Sky I Blade Mini IR Helicopter W/ Remote...

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