Originally Posted by JetPlaneFlyer
If it's a co-axial heli, i.e. one with two main rotors on a single shaft, and if the rear rotor is facing upward (as opposed to sideways as on most real helicopters).. Then 'yes' the rear rotor is the one that makes the heli go forward and backward.
this is my heli is this sideways or upward? will the rear prop in this pic make it go foward or is it the main blades.