WHAT IS THE DIFFERENCE BETWEEN CPP AND FPP?
CPP propeller blades can rotate around their axis, FPP is fixed and can't rotate.
CPP – Controllable Pitch Propeller
This is a type of propeller with blades that rotate around their own longitudinal axis and influence the direction of thrust.
FPP - Fixed Pitch Propeller
This is a type of propeller with fixed blades that cannot rotate.