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).
Comparative power curve graph for F.10 engines, testing the effect of a later inlet closing time.

Identifier  ExFiles\Box 43\3\  Scan165
Date  8th August 1927
  
EFFECT OF A LATER INLET CLOSING

R.R. F.10. ENGINES.
(ROLLERLESS ROCKER TYPE)
COMPARATIVE POWER CURVES:-
A.{Mr Adams} "STANDARD" CAMSHAFTS E.{Mr Elliott - Chief Engineer} 3000G/7
B. "LONG INLET" CAMSHAFTS. E.{Mr Elliott - Chief Engineer} 3000G/7.X.

C/BHP
R.P.M.

Diagram A:
I.O. 1°
E.C. -8°
E.O. 39°
I.C. 39°

Diagram B:
I.O. 1°
E.C. -8°
E.O. 39°
I.C. 51°
  
  


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