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This was a development of the XH-44, of which it retained the co-axial contra-rotating two-bladed rotors, though the latter's diameter was considerably increased. P.Lambermont "Helicopters and Autogyros of the World", 1958
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Two-seat all-metal helicopter with tricycle u/c and coaxial twin rotors. Prot. N67706. Three built. J.P.Spencer "Whirlybirds: A History of the U.S. Helicopter Pioneers", 1998
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UH-4 Commuter
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UH-4 Commuter
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UH-4 Commuter
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UH-4 Commuter
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UH-4 Commuter
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UH-4 Commuter
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| Technical data for UH-4 Commuter
Engine: Lycoming O-290-0, 150hp,
rotor diameter: 10.08m,
max ceiling: 3660m,
cruising speed: 120km/h,
range: 320km
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#1 {main}
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