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).
Blueprint graph showing final power curves for Miss England engines R.17 and R.19.

Identifier  ExFiles\Box 174\4\  img019
Date  18th June 1931
  
R' ENGINES
CURVE 52' R'
FINAL POWER CURVES FOR MISS ENGLAND ENGINES
A:- R.17. MIXTURE CONTROL 35° FROM F.S. POSITION
B:- R.19. " " 34° " "
VALVES I.C. 50° ABDC MAGS 42° BTDC AT FA
LODGE X 170 PLUGS AND 22/78 + 3ccs T.E.L./GALL
S/C GEAR RATIO 7.47/1
A:- BAR 29.65" Hg AIR INT 23°C
B:- BAR 29.68" Hg AIR INT 17°C
CORRECTED BRAKE HORSE POWER
ENGINE R.P.M
BOOST "Hg ABS
PTS / HP / HR
PREVIOUS POWER CURVE ON ALCOHOL FUEL
BOOST ON ALCOHOL
C/BHP
PTS/BHP/HR
G.P. 18.6.31
  
  


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