Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Specification table comparing the Kestrel and Goshawk engines.

Identifier  ExFiles\Box 27a\4\  Scan229
Date  20th September 1933
  
Hs{Lord Ernest Hives - Chair}/Lov.{Mr Lovesey}1/MJ. Cont'd.{John DeLooze - Company Secretary}
20th. September 1933.
-2-
Engine. Rated Power. Max. Power & Fuel. Number Exhaust Valves. Number Inlet Valves. Valve Dia. In. Exh. Free Area Past Valve Sq. Ins. In. Exh.
Kestrel 480 840 DTD.134 +5 cc's. 2 2 1.625 1.550 1.87 1.8
Goshawk 600 1080 20/70/10 + 4 cc's. 2 1.625 1.550 2.08 2.00
The free areas past the valves of course refer to each valve and assumes the valve to be at full lift.
Yours faithfully,
For Rolls-Royce Ltd.
  
  


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