Rolls-Royce Buzzard

The Rolls-Royce Buzzard is a British piston aero engine of 36.7 L capacity that produced about 800 hp. Designed and built by Rolls-Royce Limited it is a V12 engine of 6 in bore and 6.6 in stroke. Only 100 were made. A further development was the Rolls-Royce R engine. The Buzzard was developed by scaling-up the Rolls-Royce Kestrel Engine.

Variants
List from Lumsden.
 * Buzzard IMS, (H.XIMS)
 * (1927), Maximum power 955 hp, nine engines produced at Derby.


 * Buzzard IIMS, (H.XIIMS)
 * (1932-33), Maximum power 955 hp, reduced propeller drive ratio (0.553:1), 69 engines produced at Derby.


 * Buzzard IIIMS, (H.XIVMS)
 * (1931-33), Maximum power 937 hp, further reduced propeller drive ratio (0.477:1), 22 engines produced at Derby.

Applications

 * Blackburn Iris Mark V
 * Blackburn M.1/30
 * Blackburn Perth
 * Handley Page H.P.46
 * Kawanishi H3K
 * Short Sarafand
 * Vickers Type 207