It will not fly forward
I had the same problem. The problem is to do with the little cog in the back of the helicopter that drives the tail rotor. If you reverse the helicopter it creates downward movement but if you fly forward it creates lift. This lift can actually cause the white plastic gear wheel to also lift and it looses contact with the drive cog itself. Undo the two screws to lift off the black casing, prize off the white plastic cog and file the underside down slightly. When you put it back in place it now sits slightly lower and does not lift too high when you fly the helicopter forward. Hope this helps.
SOURCE: Shuang Ma Double Horse 9101
Hello, my 9101 double horse turn great in one direction but very slow in the other. Any Ideas as to what might be the problem and the fix? Any help would be most appreciated. Thanks in advance for your help. Most Sincerely, WM
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