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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).
Comparative chart of engine valve timings and B.M.E.P. curves for various Cadillac, La Salle, and Bentley models.

Identifier  ExFiles\Box 173\3\  img147
Date  31th January 1934
  
SHEET OR PAGE NO.
REPORT NO.
ENGINE
MOD. & SERIAL NO.
TEST DATE
POWER & ECONOMY
OBT. CORR. B.M.E.P. CURVES

CADILLAC 452 CU IN. V-16
DUPLEX DOWNDRAFT
CARBURETTERS - 5.49 C.R.
CADILLAC 452 CU IN. V-16
STD. UPDRAFT
CARBURETTERS - 5.49 C.R.
CADILLAC 353 CU IN. V-12
STD. UPDRAFT
CARBURETTERS - 5.59 C.R.
*M.C. CORRECTION 50° F
LA{L. A. Archer} SALLE 5.9 C.R.
240 CU INS. 8 CYL
DUPLEX CARB.
LATEST S.U. CARB.
20/25 5.8 C/R.{Sir Henry Royce} 222 CU INS.
BENTLEY 6.4
C/R DUPLEX CARB
222 CU INS.

LB/B.H.P - HR. FUEL x 100
PER CENT (x10)
LB. SQ. IN.
H.P.
R.P.M. (x100)

DURATION
INLET EX.
204 206
197 196
210 210
213 230
234 238

CADILLAC V 12
CADILLAC V 16
LA{L. A. Archer} SALLE LINE 8
STANDARD 20/25
BENTLEY 3 1/2 LITRE

TIMINGS .020 TAPPET CLEARANCE
EX. O EX. C IN. O IN. C
45° B 1° A 15° A 39° A
23° B 6° B 15 A 31 A
30° B T.D.C 11 A 41° A
44° B 6° A T.D.C 40-3 A
47 B 11 A 1 B 32-5 A

1-31-34 NS{Norman Scott}-ER
  
  


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