Rolls-Royce Archives
         « Prev  Box Series  Next »        

Performance comparison graph for different carburetter setups, plotting B.HP and B.M.E.P. against R.P.M.


Identifier  WestWitteringFiles\N\July1925-September1925\  Scan165
Date  29th August 1925 guessed
  
B.H.P.
430
420
410
400
390
380
370
360
350
340
1700
1800
1900
2000
2100
2200
2300
R. {Sir Henry Royce} P. M. {Mr Moon / Mr Moore}
B.M.E.P.
130
120
110
CURVE No III CARBURETTER.
COMPARISON CURVES.
COMPRESSION RATIO 5.27/1
EAGLE(Aero Engine) IX CAMSHAFTS & INLET VALVE TIMING
T.D.C.
14°
B
54°
B.D.C.
C = EAGLE(Aero Engine) VIII CARBURETTERS.
D = EAGLE(Aero Engine) IX CARBURETTERS.
CORRECTED FOR BAROMETER & TEMP.
CONDOR(Aero Engine) I.A. COMP RATIO 5.17/1.
  
  
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 🗙