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The first helo of the company was designed for the US Navy. The engine were 2 Pratt & Whitney R-985 of 450 Hp each One unit built. See also Platt-LePage XR-1 |
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First world's ram-jet helicopter. It was powered with ram-jets mounted at the tips of the rotor blades. It had no tail rotor and weighed only 280 pounds. Was cancelled due the heavy consumption of fuel. A proposed H-29 improved version was also cancelled. |
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First project of the Hughes company, the XH-17 had a two-bladed main rotor system with a diameter of 40.8 m, and was capable of flying at a gross weight of more than 18600 kgs One unit built. The H-28 was a derivate with a max weight of 47.000 Kg but the program was cancelled and therefore none built. |
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Convertiplane compound helicopter for the US Army. Two units built. It engine was a Continental R-975 of 525 hp and was capable of reach a max speed of 322 km/h |
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300C: Rotor diameter: 8.18 m Length: 9.40 m Height: 2.67 m Weight: 480 kg - Max: 930 |
Engine: 1 Avco Lycoming HIO-360 of 190 hp Speed: Max: 150 km/h Range: 370 km Service Ceiling: 3100 m |
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A private project of the company that uses the XV-1 concept, the model 120 was a flying crane that was also cancelled |
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Helicopter History Site -
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