de Havilland Gipsy Queen

de Havilland Gipsy Queen
Gipsy Queen
A de Havilland Gipsy Queen 70-4 at the Royal Air Force Museum Cosford
Type Piston inline aero engine
Manufacturer de Havilland Engine Company
First run 1936
Major applications de Havilland Dragon Rapide
Number built c.5,000
Developed from de Havilland Gipsy Six

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.

Contents

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.
de Havilland Gipsy Queen 30 on display at the Fleet Air Arm Museum
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

Percival Proctor

Survivors

Of the 11 Gipsy Queen-powered de Havilland Doves on the British register, only two remain airworthy as of April 2011.[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

  1. ^ Janes 1989, p. 275.
  2. ^ List from Lumsden 2003, pp. 145-146
  3. ^ Gunston 1999, pp. 139
  4. ^ CAA G-INFO DH.104 www.caa.co.uk. Retrieved: 21 April 2011
  5. ^ 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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