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).
Performance graph showing Brake Horsepower against Engine R.P.M. for a Bentley Chassis 4-B.19, Unit B N°3.
| Identifier | ExFiles\Box 3\4\ 04-page358 | |
| Date | 24th June 1933 | |
| BENTLEY CHASSIS - 4-B.19 (UNIT B. N°3) GEAR BOX TO N. SCH. 3698 11/41 REAR AXLE IGNITION SETTING 13° B.T.D.C. (LEC 3522) EXHAUST CUT OUT (LEC 3441) OPEN SPEEDS UP TO & INCLUDING 2500 R.P.M IN TOP GEAR 3000 R.P.M. IN 3RD GEAR 3250 R.P.M. UPWARDS IN 2ND GEAR B.H.P. AT ROAD WHEELS ENGINE R.P.M. VALVE TIMING .020" CLEARANCE IO 18° B.T.D.C. E.C. 12.7° A.T.D.C. IC 58° A.B.D.C. EO 43° B.B.D.C. UNIT B - N° 3 CAMSHAFT 113° Lec. 3282 - E.B. 318 PISTONS E.B. 495 (LONG SKIRT) CYLINDER BLOCK E.B.88 CYLINDER HEAD E.B. 222 MODIFIED BY MACHINING .105 OFF JOINT FACE ~ 87 C.C. COMBUSTN CHAMBER THIN SHEET METAL GASKET. | ||