de Havilland Gipsy Queen
The de Havilland Gipsy Queen is a British six-cylinder aero engine of 9 litres (550 cu in) capacity that was developed in 1936 by the de Havilland Engine Company. It was developed from the de Havilland Gipsy Six for military aircraft use.[1] Produced between 1936 and 1950 Gipsy Queen engines still power vintage de Havilland aircraft types today.
Variants
Note:[2]
- Gipsy Queen I
- (1936) 205 hp (153 kW), military version of Gipsy Six II. Splined crankshaft.
- Gipsy Queen II
- (1936) 210 hp (160 kW), military version of the Gipsy Six Series II. Strengthened crankcase. Splined crankshaft for V/P airscrew.
- Gipsy Queen III
- (1940) 200 hp (150 kW), military version of Gipsy Six, strengthened crankcase, tapered crankshaft for fixed-pitch;-1,358 built.
- Gipsy Queen IV
- (1941) Supercharged version, originally designated Gipsy Queen IIIS, designated Gipsy Queen 50 in June 1944.
- Gipsy Queen 30; All-new engine from this point. (120 mm x 150 mm = 10.18 L)[3]
- (1946) 240 hp (180 kW), 1,762 built.
- Gipsy Queen 30-2
- (1946) 240 hp (180 kW).
- Gipsy Queen 30-3
- (1946) 240 hp (180 kW).
- Gipsy Queen 30-4
- (1946) 240 hp (180 kW).
- Gipsy Queen 32
- (1946) 250 hp (190 kW).
- Gipsy Queen 33
- As Gipsy Queen 30 for pusher installation.
- Gipsy Queen 34
- As Gipsy Queen 30.
- Gipsy Queen 50
- (1944) 295 hp (220 kW), Single-speed, single stage supercharger. 14 built.
- Gipsy Queen 51
- 295 hp (220 kW), as Gipsy Queen 50.
- Gipsy Queen 70-1
- (1946) Renamed Gipsy Six S.G, 1,889 built. Supercharged with reduction-drive.
- Gipsy Queen 70-2
- 380 hp (280 kW)3. Supercharged with reduction-drive.
- Gipsy Queen 70-3
- 380 hp (280 kW). Supercharged with reduction-drive.
- Gipsy Queen 70-4
- 340 hp (250 kW). Supercharged with reduction-drive.
- Gipsy Queen 71
- (1950) 330 hp (250 kW). Supercharged with reduction-drive.
Applications
Survivors
Of the 11 Gipsy Queen-powered de Havilland Doves on the British register, only two remain airworthy as of April 2011[update].[4]
Engines on display
Preserved de Havilland Gipsy Queen engines are on public display at the following museums:
Specifications (Gipsy Queen I)
Data from Lumsden [5]
General characteristics
- Type: 6-cylinder inverted inline piston engine
- Bore: 4.646 in (118 mm)
- Stroke: 5.512 in (140 mm)
- Displacement: 560.6 cu in (9.186 L)
- Length: 63.5 in (1,587 mm)
- Width: 20.5 in (513 mm)
- Height: 33.5 in (838 mm)
- Dry weight: 486 lbs (220 kg)
Components
- Valvetrain: Overhead valve
- Fuel type: 87 octane petrol
- Oil system: Dry sump
- Cooling system: Air-cooled
Performance
See also
- Related development
- Comparable engines
- Related lists
References
Notes
- ^ Janes 1989, p. 275.
- ^ List from Lumsden 2003, pp. 145-146
- ^ Gunston 1999, pp. 139
- ^ CAA G-INFO DH.104 www.caa.co.uk. Retrieved: 21 April 2011
- ^ Lumsden 2003, p.145.
Bibliography
- Jane's Fighting Aircraft of World War II. London. Studio Editions Ltd, 1989. ISBN 0-517-67964-7
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.
- Gunston, Bill. Development of Piston Aero Engines. Patrick Stephens Limited, 1999. ISBN 978-1-85260-619-0.
External links
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