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Graph comparing engine performance (BHP and BMEP) with varying tappet clearances.


Identifier  ExFiles\Box 1\10\  B001_X106 TO X 110-page042
Date  12th July 1932 guessed
  
COMPARISON OF VARYING TAPPET CLEARANCE
104° CAMSHAFT INLET VALVE THROAT 1.200 EX. 1.125
PLUG REACH .950 OPEN EXHAUST 1 5/8 THROTTLE S.U. 5.85 C/R
B.H.P
R.P.M.
B.M.E.P
Valve Timing Diagram:
EX
IN
OPEN
2 12
CLOSE
38 29
.020
Graph Labels:
.004, .006
Both .013
BOTH .020
  
  
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).


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