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).
Comparison of engine valve timings and durations for various vehicle models including Cadillac, La Salle, Standard, and Bentley.
| Identifier | ExFiles\Box 173\3\ img213 | |
| Date | 31th January 1934 | |
| Top Left Corner: LB-NO. IN: Main Table: DURATION. INLET | EX: 204 | 206 | CADILLAC V.12 197 | 196 | CADILLAC V.16 210 | 210 | LA{L. A. Archer} SALLE LINE 8. 213 | 230 | STANDARD 20/25 234 | 238 | BENTLEY 3 1/2 LITRE TIMINGS .020 TAPPET CLEARANCE. Ex: O | Ex: C | In: O | In: C 25° 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 | 40.5 A 47 B | 11 A | 1 B | 52.5 A Vertical Text at Bottom (Legend for graph plots): ENGINE MOD. & SERIAL NO. TEST DATE POWER & ECONOMY OBJ. CORR. B.M.E.P. CURVES CADILLAC 452 CU: IN: V-16 DUPLEX DOWNDRAFT CARBURETTERS - 6.49 C.R. CADILLAC 368 CU: IN: V-12 STD: UPDRAFT CARBURETTERS - 5.59 C.R. *G.M.C. CORRECTION 60° F LA{L. A. Archer} SALLE 8 CYL. 240 CU: INS: 8 CYL. DUPLEX CARB. LATEST S.U. CARB 20/25 S & C/R 222 CU: INS: S.U. CARB BENTLEY 6-4 C/R DUPLEX CARBS 222 CU: INS: Axis Labels: Y-Axis Left: H.P. Y-Axis Right: LB./HP-HR. (FUEL .100), PER CENT (x10) X-Axis Bottom: R.P.M. (+100) Bottom Left Corner: 1-31-34 Moyer Bottom Right Corner: SHEET OR PAGE NO., REPORT NO. | ||