Our engineers have been designing and testing propellers since the early 1970's. The knowledge gained has led to our best  all around performing composite propellers. Look to our product line for improved thrust, strength and endurance. All of our propellers incorporate a special leading edge to provide extra protection against damage and erosion caused by water operations, terrain and stormy weather. The Standard S models allow quick and accurate ground adjustments, so that you can dial in the exact pitch required for each mission. And the AFP models are Constant Speed, In-Flight Adjustable. They operate on a 12-14 volt electrical actuating system with low amperage draw. They are easy to install with plug and play harnesses.  All AFP models are available for Sport Plane aircraft and include a 2.25" panel mounted propeller regulator with digital RPM Read-out.