The Rolls-Royce Goshawk was a development of the Rolls-Royce Kestrel featuring evaporative cooling. It provided 660 h.p. and powered the Short Knuckleduster, the Supermarine Type 224 (a predecessor to the Supermarine Spitfire) and other prototypes.
Design and development
Developed from the Kestrel IV
, the evaporative or steam cooling
version was named Goshawk
. Twenty engines were built and they flew only in prototypes as a few manufacturer's private ventures and "one offs". Powers for individual installations are quoted between 650 and 700hp.
The Goshawk was the power unit specified for the twin engined Short Knuckleduster flying boat (K3574) to Specification R24/31 and "preferred" for the Blackburn F3
(K2892), Bristol Type 123
, Hawker P.V.3
, Supermarine Type 224 (K2890) and the Westland PV4
biplane (K2891) to Fighter specification F7/30
It also powered the private venture Hawker "Intermediate Fury" (G-ABSF) and the Westland Pterodactyl V (K2770) and was installed for trials in the Gloster TSR38 (S1705), the first Gloster Gnatsnapper prototype (N227) and the Hawker High Speed Fury (K3586)
Specifications (Goshawk I)
- Lumsden, Alec. British Piston Engines and their Aircraft. Marlborough, Wiltshire: Airlife Publishing, 2003. ISBN 1-85310-294-6.