GIANT SCALE HOWARD HUGHES H-1 RACERS RC MOKI 250cc 5 CYL RADIALS AT WESTON PARK – 201704:33

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Published on October 1, 2017

JAN HIRSCHMANN & HARALD JEZEK ARE THE PILOTS OF THESE AMAZING MODELS,

INFO ON THE REAL AIRCRAFT –

Top speed: 566 km/h
Range: 6,437 km
Wingspan: 9.67 m
Length: 8.23 m
Weight: 1,620 kg
Engine type: Pratt & Whitney R-1535 Twin Wasp Junior
Registration: NR258Y

The Hughes H-1 is a racing aircraft built by Hughes Aircraft in 1935. It set a world airspeed record and a transcontinental speed record across the United States. The H-1 Racer was the last aircraft built by a private individual to set the world speed record; most aircraft to hold the honour since have been military designs.

Streamlining was a paramount design criterion resulting in “one of the cleanest and most elegant aircraft designs ever built.” Many ground breaking technologies were developed during the construction process, including individually machined flush rivets that left the aluminium skin of the aircraft completely smooth. The H-1 also had retractable landing gear to further increase the speed of the aircraft, including a fully retractable hydraulically actuated tail skid. It was fitted with a Pratt & Whitney R-1535 twin-row 14-cylinder radial engine of 1,535 cubic inches (25.15 l), which although originally rated at 700 horsepower (522 kW), was tuned to put out over 1,000 horsepower (750 kW).
Due to two different roles being envisioned for the racing aircraft, a set of short-span wings for air racing and speed records and a set of “long” wings for cross-country racing were prepared.

The H-1 first flew in 1935 and promptly broke the world landplane speed record with Hughes at the controls, clocking 352.39 mph (567.12 km/h) averaged over four timed passes. Hughes apparently ran the aircraft out of fuel and managed to crash-land without serious damage to either himself or the H-1. As soon as Hughes exited the H-1 when he crashed it in a beet field south of Santa Ana, California, his only comment was: “We can fix her; she’ll go faster.” At the time, the world seaplane speed record was 440.7 mph (709.2 km/h), set by a Macchi M.C.72 in October 1934.

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