Aerofoam UAV Systems
Diagram of launching bridle assembly, trailing line needs to be longer than the airplane.
This is a diagram of a launch bridle with a launching block and foot release.
"How To" tape a hook on your airplane, so it won't come off. I have used this method on 40lb. airplanes!
Diagram of a Launch Block, used to keep the plane at a proper angle of attack for take off. The block can be large enough to be a "Sled" which is better than a dolly, as it does not tend to track off in the wrong direction.
This is a simple "Do It Yourself" pedal made from wood and common hardware.