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 engine power output and induction pipe depression against RPM for a long duration camshaft test.

Identifier  ExFiles\Box 13\2\  02-page123
Date  5th August 1931 guessed
  
CURVE I
POWER OUTPUT LONG DURATION CAMSHAFT.
CHINA UNIT 3.25 BORE.
116° CAMSHAFT 5-1 C/R
ZENITH TRIPLE DIFFUSER
CARB ON EXHAUST
SIDE OF BLOCK
B.H.P./LITRE
23.6
B.H.P.
R.P.M.
INDUCTION PIPE DEPN
INS / Hg.
TIMING DIAGRAM:
EX 54
IN 48

.020 CL'CE.
INLET DURATION 227
EXHAUST DURATION 235
  
  


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