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Performance graph plotting BHP at the road wheels against engine RPM for a Bentley chassis, including component and timing specifications.


Identifier  ExFiles\Box 155\1\  scan0098
Date  23th June 1933
  
BENTLEY CHASSIS - 3 B N (UNIT B N°2)
GEAR BOX TO N. SCH. 3658 10/41 REAR AXLE
IGNITION SETTING 18° B.T.D.C (LEC 3522)
EXHAUST CUT OUT (LEC 8441) OPEN
SPEEDS UP TO & INCLUDING 2500 R.P.M IN TOP GEAR
3000 R.P.M IN 3RD GEAR
3250 R.P.M UPWARDS IN 2ND GEAR
B.H.P. AT ROAD WHEELS
ENGINE R.P.M.
VALVE TIMING .020" CLEARANCE
I.O. 6 1/4° B.T.D.C.
E.C. 45° P.T.D.C.
I.C. 50° P.B.D.C.
E.O. 50° B.B.D.C.
UNIT B N°2
CAMSHAFT - 113° - LEC 3292
PISTONS:- STD 20/25 H.P. E.57122
CYLINDER HEAD:- E.B. 222 (6.35:1 COMPRESSION RATIO INCREASED BY USING SHEET METAL GASKET)
BROOKLANDS LAP SPEED (CUT OUT OPEN) - 86.32 M.P.H.
  
  
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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