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).
Performance graph showing Brake Horse Power and Brake Mean Effective Pressure against RPM for specific engine timings and configurations.

Identifier  ExFiles\Box 13\2\  02-page113
Date  6th July 1931 guessed
  
B.H.P
30, 50, 70, 90, 110, 130, 150, 170, 190
R.P.M.
500, 1000, 1500, 2000, 2500, 3000, 3500
B.M.E.P
50, 70, 80, 90, 100, 110, 120
BEST TIMING. 114° R.CAM. CAMSHAFT
C.I. HEAD 2 1/4" DIA. VALVES
SINGLE CLAUDEL CARB. 4.9 CR.{Mr Cra???ster / Mr Chichester}
HS{Lord Ernest Hives - Chair} 403
TAPPET CLCE .020"
Timing Diagram A: 65.6, 12, 14
Timing Diagram B: 60, 53, 19, 7.5, 67°
  
  


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