SUPER COBRA AH-1W Main Rotor diameter - 1,550 mm (61.02 inches) Fuselage length - 1,450 mm (57.08 inches) Overall weight - 5,800g (12.79 lbs) The latest Cobra helicopter to be released from the Bell factory. Hirobo's 60 class version of the Super Cobra faithfully reproduces this sleek, twin engined machine. Supplied with plenty of scale details parts.