Speed up RC helicopter

How to modify and speed up your slow 3 channel RC helicopter.

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Description

The Step-By-Step On How To Modify Your Slow 3 Channel JXD331 Cobra Co-Axial RC Helicopter And Turn It Into A Turbo Charged Helicopter and Fly It Like A Single Blade Helicopter. Easy To follow Step By Step Instructions. So Simple, Anyone Can follow.

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CB Rating