Rolls-Royce Archives
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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).
Graph of Ignition Advance versus B.M.E.P. curves for an Aluminium Phantom engine at 1000 RPM.

Identifier  ExFiles\Box 17\6\  Scan016
Date  27th October 1916 guessed
  
SHEET 4.
IGNITION ADVANCE/B.M.E.P. CURVES FOR 1000 R.P.M.
ALUM. PHANTOM WITH HEAD TO L.E.C. 2230 (Comp Ratio. = 4.95:1)
CORRECTED TO N.T.P.
B.M.E.P (LBS PER SQ. IN.)
IGNITION ADVANCE ON FLYWHEEL (DEGREES)
BOTH IGNITIONS SYNCHRONISED.
BATTERY IGNITION ONLY.
  
  


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