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).
Blueprint graph comparing the performance of large versus small valves.

Identifier  ExFiles\Box 13\2\  02-page105
Date  17th June 1931 guessed
  
Hs.{Lord Ernest Hives - Chair} 380
COMPARISON LARGE & SMALL VALVES
4.9 C.R. 114° R CAMSHAFT
OPEN EXHAUST, SINGLE CLAUDEL CARB.
B.H.P.
B.M.E.P.
R.P.M.
EX
IN
12
14
50
65.5
BASE OF SEAT DIA.
INLET
EXHAUST
LARGE VALVES
2.1"
1.95
SMALL VALVES
2.0"
1.85
LARGE
SMALL
BOUNCE
  
  


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