Double propeller btq 250-120

BTQ - Latest generation materials, no electronic components are installed on the motor. All protections are managed bymicroprocessor installed on control panels. Thrust reversal with programmed delay, automatictemporized disconnection. Thermal protection against motor overheating. Propeller and protective casing for teleinvertersin sturdy composite material, bronze gearbox, zinc anode as standard independent of gearbox and easily replaced. Equipped with elastic coupling parastractor.