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Graph showing the effect of different air silencer configurations on engine power output for a Bentley.


Identifier  ExFiles\Box 3\6\  06-page294
Date  24th May 1938
  
EFFECT OF AIR SILENCER ON POWER OUTPUT (BENTLEY)
UNIT-B.4.
HIGH COMPRESSION ALUMINIUM CYLINDER HEAD
COMPRESSION RATIO = 7.39 : 1
EXHAUST VALVES 1.200 DIA.
INLET VALVES 1.500 DIA.
AEROLITE 'RACING' PISTONS.
① NO AIR SILENCER
② STANDARD AIR SILENCER BUT WITH LARGER DIA. (3.000) INTAKE BEND.
③ STANDARD AIR SILENCER WITH STANDARD INTAKE BEND.
VALVE TIMING AS SHOWN ON
CURVES B.V.53.
B.H.P.
B.M.E.P. (LB/SQ. IN)
R.P.M.
  
  
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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