De Havilland Gipsy Queen
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The de Havilland Gipsy Queen is a British six-cylinder aero engine of Script error: No such module "convert". 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) Script error: No such module "convert"., military version of Gipsy Six II. Splined crankshaft, but intended for fix-pitch airscrews fitted with an adapter. No fittings for a VP airscrew fitted. Very limited production.
- Gipsy Queen II
- (1936) Script error: No such module "convert"., military version of the Gipsy Six Series II. Strengthened crankcase. Splined crankshaft for V/P airscrew.
- Gipsy Queen III
- (1940) Script error: No such module "convert"., military version of Gipsy Six, strengthened crankcase, tapered crankshaft for fixed-pitch;-1,358 built. Most of these engines were fitted with a very basic top-cover, as per the early Gipsy-Six, with no accessory drives at the rear of the top-cover whatsoever.
- Gipsy Queen IV
- (1941) Supercharged version, originally designated Gipsy Queen IIIS, designated Gipsy Queen 50 in June 1944. Only a handful were made. This engine was widely advertised at the time, however, it never entered production, as it was superseded by the completely re-engineered Queen 30.
- Gipsy Queen 30; All-new engine from this point. (120 mm x 150 mm = 10.18 L)[3]
- (1946) Script error: No such module "convert"., 1,762 built.
- Gipsy Queen 30-2
- (1946) Script error: No such module "convert"..
- Gipsy Queen 30-3
- (1946) Script error: No such module "convert"..
- Gipsy Queen 30-4
- (1946) Script error: No such module "convert"..
- Gipsy Queen 31
- (1946) Script error: No such module "convert".. ref=Flight [4]|
- Gipsy Queen 32
- (1946) Script error: No such module "convert"..
- Gipsy Queen 33
- As Gipsy Queen 30 for pusher installation.
- Gipsy Queen 34
- As Gipsy Queen 30.
- Gipsy Queen 50
- (1944) Script error: No such module "convert"., Single-speed, single stage supercharger. 14 built.
- Gipsy Queen 51
- Script error: No such module "convert"., 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
- Script error: No such module "convert".3. Supercharged with reduction-drive.
- Gipsy Queen 70-3
- Script error: No such module "convert".. Supercharged with reduction-drive.
- Gipsy Queen 70-4
- Script error: No such module "convert".. Supercharged with reduction-drive.
- Gipsy Queen 71
- (1950) Script error: No such module "convert".. Supercharged with reduction-drive.
- Gipsy Queen 136
UK Ministry of Defence designation of Gipsy Queen 30-2
Applications
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Surviving engines
Of the 11 Gipsy Queen-powered de Havilland Doves on the British register, only two remain airworthy since April 2011[update]Template:Dated maintenance category (articles)Script error: No such module "Check for unknown parameters"..[5]
A Gipsy Queen II powered 1936 Percival Mew Gull (G-AEXF) is owned and operated by The Shuttleworth Collection at Old Warden in the UK, and flies regularly at home, and limited away airshows, subject to serviceability.[6]
Engines on display
A preserved de Havilland Gipsy Queen engine is on public display at the Royal Air Force Museum Cosford.[7]
A de Havilland Gipsy Queen 30 is on display at the de Havilland Aircraft Museum. [8]
Specifications (Gipsy Queen I)
Data from Lumsden [9]
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
- Power output: 208 hp (155 kW) at 2,400 rpm
- Compression ratio: 6.5:1
- Power-to-weight ratio: 0.43 hp/lb (0.7 kW/kg)
See also
Related development
Comparable engines
- Argus As 17
- Isotta Fraschini Beta
- Lycoming O-435
- Menasco B6/B6S
- Napier Javelin
- Ranger L-440
- Renault 6Q
Related lists
References
Notes
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- ↑ Janes 1989, p. 275.
- ↑ List from Lumsden 2003, pp. 145-146
- ↑ Gunston 1999, pp. 139
- ↑ Script error: No such module "citation/CS1".
- ↑ CAA G-INFO DH.104 Template:Webarchive www.caa.co.uk. Retrieved: 21 April 2011
- ↑ Percival Mew Gull - Shuttleworth Template:Webarchive Retrieved 23 March 2017
- ↑ de Havilland Gipsy Queen 175 - www.rafmuseum.org.uk Retrieved: 4 April 2021
- ↑ de Havilland Gipsy Queen 30 at the de Havilland Aircraft Museum
- ↑ Lumsden 2003, p.145.
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Bibliography
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- Jane's Fighting Aircraft of World War II. London. Studio Editions Ltd, 1989. Template:ISBN
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. Template:ISBN.
- Gunston, Bill. Development of Piston Aero Engines. Patrick Stephens Limited, 1999. Template:ISBN.