The HP 220 series of motors are brushless with an integrated gearbox. The motors are a lightweight alternative to direct drives. They are built with 4 or 6 poles which allows a variation to power and voltage. The planet-type gears are fitted with needle bearings while the F5B competition motors are fitted with ball raced planet-gears. The rotor are armoured with kevlar and can withstand up to 70.000 RPM without problem.

Special features are the 6mm hardened drive shaft, the quadruple ball bearings and the neodym magnets. The motors of this series are not suitable for pure power planes.