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 detonation intensity at varying speeds for 'R' Mod supercharged engines.

Identifier  ExFiles\Box 179\2\  img032
Date  4th December 1931
  
"R" MOD SUPERCHARGED ENGINES
CURVE 102 'R'
DETONATION INTENSITY AT VARYING SPEEDS WITH ENGINE DEVELOPING 1000 B.H.P. & ALSO AT CORRESP.G TAKE-OFF POWERS AND SPEEDS
ENGINE: R MS 25 WITH 6/1 CR{Mr Cra???ster / Mr Chichester} PISTONS & 8 9/16 % GEARS
FUEL: D.T.D. 134
PLUGS: LODGE A.2.
BAR: 765 M/M
T/H AIR 13°C
B.M.E.P. 354 B.H.P N
CORRECTED B.M.E.P. AT 1000 B.H.P. LBS/SQ. IN.
ENGINE R.P.M.
A.A. REPRESENTS B.M.E.P AT 1000 B.H.P AT VARYING SPEEDS N
B.B. CORRESPONDING TAKE-OFF POWERS AND SPEEDS
TAKE-OFF SPEED = 95% N. R.P.M.
S.D. 4/12.31
  
  


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