Lockheed Experimental Jet Compound Helicopter, 1263, Photo

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Code Number:: TARV02P06_19.0363
Title:: Lockheed Experimental Jet Compound Helicopter, 1263, US Army XH-51A; CN: 61-51263
First flight: 2/11/1962
Status: Retired
Primary users: US Army, NASA
Produced: 1962-1964
Number built: 3
Wing span: 4Saint9 meters (16.1 feet)
Engines: 2,500 hp (1,864 kW) Pratt & Whitney J60-2 turbojet engine mounted on the left wing to increase performance
This was the second XH-51A built and was subsequently converted by adding wings. The XH-51A first flew without powering up the turbojet on 21/09/1964, so that tests could be performed for aircraft balance and handlingSaint XH-51A's first flight in a true compound configuration took place on 10/04/1965. On 29/11/1967 this experimental compound helicopter achieved a speed of 263 knots (486Saint9 km/h, 302.6 mph) in a shallow dive. The highest speed in level flight was a brisk 223 knots (413 km/h, 257 mph).
Keywords:: Experimental, historical, Research Aircraft, Flying Machine, Pioneers of Aviation, history, Archive
Image by:: Les Clark

Caption Disclaimer

Code Number:: TARV02P06_19.0363
Title:: Lockheed Experimental Jet Compound Helicopter, 1263, US Army XH-51A; CN: 61-51263
First flight: 2/11/1962
Status: Retired
Primary users: US Army, NASA
Produced: 1962-1964
Number built: 3
Wing span: 4Saint9 meters (16.1 feet)
Engines: 2,500 hp (1,864 kW) Pratt & Whitney J60-2 turbojet engine mounted on the left wing to increase performance
This was the second XH-51A built and was subsequently converted by adding wings. The XH-51A first flew without powering up the turbojet on 21/09/1964, so that tests could be performed for aircraft balance and handlingSaint XH-51A's first flight in a true compound configuration took place on 10/04/1965. On 29/11/1967 this experimental compound helicopter achieved a speed of 263 knots (486Saint9 km/h, 302.6 mph) in a shallow dive. The highest speed in level flight was a brisk 223 knots (413 km/h, 257 mph).
Keywords:: Experimental, historical, Research Aircraft, Flying Machine, Pioneers of Aviation, history, Archive
Image by:: Les Clark
: Caption Disclaimer

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