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 analysis graph of various short-type exhaust system configurations against engine RPM.

Identifier  ExFiles\Box 179\2\  img008
Date  30th November 1931
  
ANALYSIS OF EXHAUST SYSTEM SHORT TYPE
RM.{William Robotham - Chief Engineer} P.42
30/11/31
P II
448
114° CAMSHAFT TO E.82/1 4.65 C/R STD. CYL. HEAD
1.5" VALVE THROAT R.R. TWIN CARBS. 1.4" DIA. CHOKES.
① MANIFOLD ONLY
② " + FRONT EXP. BOX + intermediate pipe
③ COMPLETE SYSTEM LESS FISHTAIL
④ COMPLETE SYSTEM
B.H.P.
B.M.E.P. LBS/SQ. IN.
R.P.M.
Valve Timing Diagram Text: EX, IN, IOIC EOEC, 10, 15, 50, 55
  
  


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