Rolls-Royce Buzzard
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The Rolls-Royce Buzzard was a British piston aero engine of capacity that produced about . Designed and built by
Rolls-Royce Limited Rolls-Royce was a British luxury car and later an aero-engine manufacturing business established in 1904 in Manchester by the partnership of Charles Rolls and Henry Royce. Building on Royce's good reputation established with his cranes, they ...
it is a
V12 engine A V12 engine is a twelve-cylinder piston engine where two banks of six cylinders are arranged in a V configuration around a common crankshaft. V12 engines are more common than V10 engines. However, they are less common than V8 engines. The fi ...
of Bore and
Stroke A stroke is a medical condition in which poor blood flow to the brain causes cell death. There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. Both cause parts of the brain to stop functionin ...
. Only 100 were made. A further development was the
Rolls-Royce R The Rolls-Royce R is a British aero engine that was designed and built specifically for air racing purposes by Rolls-Royce Limited. Nineteen R engines were assembled in a limited production run between 1929 and 1931. Developed from the Rolls-R ...
engine. The Buzzard was developed by scaling-up the
Rolls-Royce Kestrel The Kestrel or type F is a 21 litre (1,300 in³) 700 horsepower (520 kW) class V-12 aircraft engine from Rolls-Royce, their first cast-block engine and the pattern for most of their future piston-engine designs. Used during the interwar ...
Engine.Rubbra 1990, p. 59.


Variants

''List from Lumsden''. ;Buzzard IMS, (H.XIMS) :(1927), Maximum power , nine engines produced at Derby. ;Buzzard IIMS, (H.XIIMS) :(1932-33), Maximum power , reduced propeller drive ratio (0.553:1), 69 engines produced at Derby. ;Buzzard IIIMS, (H.XIVMS) :(1931-33), Maximum power , further reduced propeller drive ratio (0.477:1), 22 engines produced at Derby.


Applications

* Blackburn Iris Mark V * Blackburn M.1/30 *
Blackburn Perth The Blackburn Perth was a British flying boat which was in service during the interwar period. It was essentially an upgraded Iris, and hence the largest flying-boat to serve with the Royal Air Force at the time (and the largest biplane flying ...
* Handley Page H.P.46 *
Kawanishi H3K The Kawanishi H3K, also known as Navy Type 90-2 Flying Boat (九〇式二号飛行艇), was a Japanese biplane military flying boat from the interwar period. The H3K was a development of the Short S.8/8 Rangoon. The first of the H3Ks was built ...
*
Short Sarafand The Short S.14 Sarafand was a British biplane flying boat built by Short Brothers. It was planned as a general reconnaissance aircraft for military service. When it was built in 1932 it was the largest aeroplane in the United Kingdom. The Saraf ...
* Vickers Type 207


Specifications (Buzzard IMS)


See also


References


Notes


Bibliography

* Lumsden, Alec. ''British Piston Engines and their Aircraft''. Marlborough, Wiltshire: Airlife Publishing, 2003. . * Rubbra, A.A.''Rolls-Royce Piston Aero Engines - A Designer Remembers''. Rolls-Royce Heritage Trust. Historical Series no 16. 1990. ]


External links


''Flight'' magazine - Period Rolls-Royce Buzzard advertisement, August 1933
{{Rolls-Royce aeroengines Rolls-Royce aircraft piston engines, Buzzard 1920s aircraft piston engines