Originally Posted by rrg
So i put a 5x7 pusher prop on the stryker tonight to bench test it and had to reverse the motor to get it to "blow" in the right direction. Am i missing something simple here?
The key there is the "pusher". They need to spin opposite of the normal prop. You don't need a pusher but can use one if desired. Just remember that the motor torque will be opposite of the normal. They are designed for twin motor applications so that the 2 motors torque counteract each other.
Normally the prop numbers face the front of the plane. Mounting a normal prop on the back doesn't change that. The produced wind still needs to flow rearwards.