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).
Blueprint graph comparing power outputs for the 7.67 Litre Phantom II engine with an open exhaust.

Identifier  ExFiles\Box 13\4\  04-page178
Date  3rd October 1933
  
7.67 LITRE PHANTOM ② POWER COMPARISONS (OPEN EXHAUST)
H.S. 1196
OLD TYPE IRON SYSTEM & 2 HORIZONTAL CARB
WEIR MANIFOLD
STD. 116° CAMSHAFT I.O. 13° PTDC E.O. 48° BBDC
I.C. 46° PBDC E.C. 3° PTDC
R.R. SEMI EXPANDING CARB
114° CAMSHAFT (E.82448) I.O. 5° PTDC E.O. 46° BBDC
I.C. 53° PBDC E.C. 7° PTDC
5.25:1 COMP. RATIO
BHP
R.P.M.
M.E.P. (Lbs/sq")
LHS{Lord Herbert Scott} 3.10.33
  
  


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