Sikorsky X2 : The Fastest Helicopter In The World

Pic Number :
1.High Lift/Drag (L/D) Rigid Blades
2.Integrated Rotor/propulsor/Engine
3.Active Vibration Control
4.Fly-By-Wire (FBW)
5.Rotor Speed Reduction
6.Hub Drag Reduction

Performance :
* Never exceed speed: knots (mph, km/h)
* Maximum speed: knots (mph, km/h)
* Cruise speed: 250 knots (287.5 mph, 460 km/h)
* Stall speed: knots (mph, km/h)
* Range: nm (mi, 1300 km)
* Service ceiling ft (m)
* Rate of climb: ft/min (m/s)
* Disc loading: lb/ft² (kg/m²)
* Power/mass: hp/lb (W/kg)