Nagler XNH I Heliglider / XNH-2 Heligyro This, the first rotorcraft (1952) which Nagler designed after his arrival in the United States, was of the 'strap-on' variety. Its intended use was to cross rivers or other obstacles. The required height was to be reached by power from six solid-propellant rockets, fired in pairs and providing a 9kg thrust for about twenty seconds. Slow descent was ensured by the auto-rotation of the rotor. The six rockets could be replaced for later use. The wearer's legs were to be the landing gear. With the addition of a 2 cylinder opposed engine driving a pusher prop also in 1952, the XNH-1 was re-designated XNH-2 Heligyro.
XNH-I Heliglider
Engine: 6 x 9 kg rockets
Weight empty: 29.5kg / 67 b
Crew: 1
XNH-2 Heligyro
Max speed: 60 mph
Crew: 1
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