In 1956, Gyrodyne XRON-1 experiments led to development of the QH-50 unmanned drone versions of the XRON-1 and Gyrodyne delivered over 60 production QH-50Cs for operation from Naval frigates.
QH-50C
Engine: 1 x T50-BO8A turboshaft, 243kW
Rotor diameter: 6m
Take-off weight: 1036kg
Empty weight: 524kg
Max speed: 148km/h
Ceiling: 5000m
Range: 132km
Armament: 2 x Mk-44 torpedos or 1 x Mk-46 torpedo
All Aero 