So, heres my plan if i cant get a kit.
On the bsd flying tiger i am going to :

1 install an electric motor
2 install a speed controler
3 set it up with transmiter (need to look into that alot im clueless)

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SO the plan is that the motor spins a cog anti clockwise that is attached to the main drive gear making it spin clockwise there for reversing it. Just wondering if the motor will let the cog spin free if im not using the motor so that i can still go forward via the engine.
But this is still in the planning stages and has only been thought about for 1 hour.

comments and thoughts appreciated
- crowdie