Rolls-Royce Archives
         « Prev  Box Series  Next »        

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 comparison graph of a 114° camshaft versus a two-inlet-cam camshaft setup, showing BHP and BMEP against RPM.

Identifier  ExFiles\Box 179\2\  img020
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
A
B
NORMAL
To LEC2918
IN
EX
.020 CLCE
3.7 10.4
50.3
54.4
TWO INLETS
TO E 82278
IN
EX
.020 CLCE
2.5 1.5
52
49
B.H.P.
R.P.M.
B.M.E.P. LBS/SQ"
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙