Handley Page Gugnunc
The Handley Page H.P.39 was a wooden biplane design of the late 1920s. The aircraft was intended to compete in a competition proposed by the Daniel Guggenheim Fund for the Promotion of Aeronautics - the Guggenheim Safe Aircraft Competition. The original working name for the aircraft was the Guggenheim Competition Biplane. The name Gugnunc was at first unofficial, coming from the Pip, Squeak and Wilfred newspaper cartoon (in the Daily Mirror and later in silent films), but it later became official.
Construction and operation
Only one example of the type was constructed, allotted civil registration G-AACN. It used slots and flaps to achieve the necessary low speed and short takeoff and landing distances for the various safety prizes.
The aircraft competed in the competition in 1929. Most of the competitors failed to enter due to mechanical problems or failure to satisfy the organizers' safety checks. The Gugnunc performed adequately but did not win any prizes.
While there, the HP team noticed that the Curtiss competitors were using an unlicensed version of the Handley Page slot. In the following legal battles, the Curtiss lawyers brought up a postwar judgement that foreign aircraft (and particularly HP aircraft) were prohibited from being imported into the US.
On return to the UK, the aircraft continued experimental flying, was ultimately purchased by the Air Ministry, given registration K1908, and was allocated to the Royal Aircraft Establishment for further testing. The aircraft was struck off in 1934 and presented to the Science Museum. In 2016 it was installed as the centrepiece of the Winton Gallery of the museum. The curved overhead structure and layout of the gallery, designed by Dame Zaha Hadid represents the airflow around the aircraft.
- Crew: two
- Length: 25 ft 9 in (7.85 m)
- Wingspan: 40 ft (12.2 m)
- Height: ()
- Wing area: 293 ft² (27.2 m²)
- Airfoil: RAF 28
- Empty weight: 1,362 lb (619 kg)
- Max. takeoff weight: 2,180 lb (989 kg)
- Powerplant: 1 × Armstrong Siddeley Mongoose I, 150 hp (112 kW)
- Maximum speed: 112 mph (180 km/h)
- Cruise speed: 97 mph (156 km/h)
- Stall speed: 33 mph (53 km/h)
- Rate of climb: 730 ft/min (222.5 m/min)
- Aircraft of comparable role, configuration and era
- Related lists
- "Daniel Guggenheim Flight Archive". Flightglobal.com. Retrieved 2014-01-22.
- Updated 1:21am 22 January 2014 (2004-08-13). "Cartoon originals coming up for sale". Icwales.icnetwork.co.uk. Retrieved 2014-01-22.
- "''Flight'' 1930 THE GUGGENHEIM SAFE AIRCRAFT COMPETITION". Flightglobal.com. 1930-01-10. Retrieved 2014-01-22.
- Barnes, C. H. Handley Page Aircraft Since 1907. London: Putnam & Company, Ltd., 1987. ISBN 0-85177-803-8.
- Clayton, Donald C. Handley Page, an Aircraft Album. Shepperton, Surrey, UK: Ian Allan Ltd., 1969. ISBN 0-7110-0094-8.
- Flight 1930 HANDLEY PAGE TYPE 39 Guggenheim Competition Machine
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