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).
Power curve chart for the R-17 direct drive engine developed for the 'Miss England I' racing boat.

Identifier  ExFiles\Box 174\4\  img021
Date  9th December 1930
  
R' ENGINES - DIRECT DRIVE
CURVE 35 "R"
R-17- POWER CURVE - 3000-2550 R.P.M
DIRECT DRIVE ENGINE FOR Miss ENGLAND I
7.47 S/C GEARS
6/1 C.R PISTONS
VALVES- I.C 50° A.B.D.C
MAGS- 42° B.T.D.C AT F.T.
PLUGS- K.L.G. 618
OIL- CASTROL R (RACING)
FUEL- B.P. 33 1/3 / 33 1/3 / 33 1/3
AVn / BEN / ALCOHOL
MIXTURE CONTROL 30° FROM F.S POSITION
BAR 30.02" Hg
CORRECTED B.M.P
ENGINE R.P.M.
C/B.H.P
BOOST Hg A.B.S
PTS/BHP/HR
BOOST (Hg ABS)
PTS/BHP/HR
G.P. 9.12.30
  
  


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