Friday, December 13, 2013

mini helicopter rc see the description?

mini rc helicopter replacement blades
 on decoration red Rc Mini Helicopter Copter Rc Spare Parts Replacement ...
mini rc helicopter replacement blades image



adar


look at that vid and tell me what is that spinning thing
http://www.youtube.com/watch?v=guUMvuX7_7Q



Answer
They are the drive gears to connect the motor to the rotor
The small pinion gears are connected to the motor shaft and the large main gears to the helicopter blade rotor shaft like this:
http://www.modifyrcheli.com/wp-content/uploads/2011/09/gear3.jpg

IF you need to replace them, this is what they will look like:
http://img.alibaba.com/wsphoto/v0/467086207/Free-Shipping-RC-Parts-Replacement-Spare-Part-9101-08-Top-Bottom-Main-Gear-for-Double-Horse.jpg




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