Rolls-Royce Archives
         « Prev  Box Series  Next »        

Performance graph comparing high and low lift rockers, showing BHP and BMEP against RPM.


Identifier  ExFiles\Box 102\1\  scan0037
Date  1st January 1940
  
COMPARISON OF HIGH & LOW LIFT ROCKERS
WITH SINGLE CARB: JAPAN(Experimental Engine) UNIT
INLET VALVE DIA 1·4. C/R 5·13/1
OPEN EX. 112° CAMSHAFT E 55640
CLCE (MIN) OF ·225 MACHINED ROUND INLET VALVE
VALVE LIFT ·344
VALVE LIFT ·395
CHOKE DIA. 38 M {Mr Moon / Mr Moore} /M.
DIFFUSER DIA. ·625
FREE AREA PAST CHOKE 1·46 D"
B.H.P.
R.P.M.
B.M.E.P.
INDUCTION DEPN. INS. Hg.
VALVE TIMING DIAGRAM:
Ex.
IN
3·2
10·6
46·4
46
·013 CLCE
  
  
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).


Copyright Sustain 2026, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙