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 comparing a 114° camshaft with a twin inlet cam and camshaft configuration.

Identifier  ExFiles\Box 13\2\  02-page159
Date  27th November 1931
  
RM.{William Robotham - Chief Engineer} P.37
27/11/31
DIRECT COMPARISON OF 114° CAMSHAFT WITH
TWO INLET CAMS AND CAMSHAFT TO LE C.2918 E 82448
TWIN CARBS. 1.4 CHOKES. OPEN EX. MAN. ONLY. HIGH LIFT ROCKERS
C/R 4.65-1
NORMAL To LEC2918
B.H.P.
R.P.M.
B.M.E.P. LBS/SQ."
TWO INLETS TO E 82278
Diagram A:
IN
EX
3.7 10.4
50.3
54.4
.020 CLCE
Diagram B:
IN
EX
2.5 1.5
52
49
.020 CLCE
  
  


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