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).
Specification table for a 4-cylinder, 2-litre engine.
| Identifier | ExFiles\Box 153\3\ scan0032 | |
| Date | 17th April 1940 | |
| 4 CYLINDER (2 LITRE) FIRST ISSUE SPECIFICATION 5000 | CRANKCASE & BEARINGS | HIGH FRONT ENGINE MOUNTING, TAPPET DOORS, EXHAUST MANIFOLD, DIP STICK & BREATHER, CAST ALUMINIUM SUMP 1 1/2 GALLONS, AC MECHANICAL PUMP ON EXHAUST SIDE, WATER PUMP MOUNTING, C.I MONO BLOCK WITH SIDE EXHAUST VALVES, VANDERVELL CAMSHAFT BEARINGS, VANDERVELL JOURNAL BEARINGS 2.750 DIA | PL. 34, PD 481, PL 27, PL 68, PL 19, PL 1, PD 474/5 | RE.320 | TACHOMETER DRIVE 5010 | CRANKSHAFT | 4% CARBON STEEL. 5 BEARING INTEGRAL BALANCE WEIGHTS 1.750 DIA PINS 2.750 DIA JOURNALS, CRANKSHAFT FRONT END TO JOTHERWISE TO | PL.41, PD430;PL41 | RE. 260 | CAST IRON PULLEY 5020 | SPRING DRIVE | NO SPRING DRIVE, NO CRANK SHAFT TORSIONAL DAMPER | - | - | - 5030 | CONNECTING RODS | NO OIL WAY UP ROD, VANDERVELL SMALL END BUSH, VANDERVELL BIG END BUSH 1.750 DIA | PL 33, PL 38 | RE 128 | 5040 | PISTON | RR SPLIT SKIRT PISTON, AEROLITE TIN PLATED RINGS | PL 33, PL 78 | RE 396 | 5050 | CYLINDER HEAD | ALUM HIGH POWER HEAD, OVERHEAD INLET VALVES, INLET VALVE SEATS 3 3/8%, NICKEL AS EB 4001 EXCEPT MATERIAL, ROCKER COVER AND OIL FILLER | PL 33, PD 480, PL 83 | RE 396 | (6.5 TO 1 COMP), PL 27 EXHAUST MANIFOLD DIPSTICKS BREATHER 5060 | VALVES AND FITTINGS | B.60 INLET & EXHAUST TAPPETS. SOLID EXHAUST VALVES TO EX 33420. EXHAUST VALVE SPRING DETAIL EB 3256. MOTOR COMPONENTS INLET VALVE SIM. EB 3853. | PD. 474/5, PD 480. | RE. 357 | DOUBLE INLET VALVE SPRINGS, 4% CARBON STEEL PUSH ROD 5070 | INLET PIPES | TO SUIT 4 CYL HEAD, WATER HOT SPOT | - | RE 157 | 5080 | CARBURETTER | WRAITH TYPE. SINGLE STROMBERG, ELECTRICALLY OPERATED CHOKE | - | RM{William Robotham - Chief Engineer}/CTS{C. Trot Salt - Carburation} | JET SETTINGS TO SUIT 4 CYLINDER. 5082 | CARBURETTER AIR SILR. | A C AIR CLEANER | DESIGN REQUIRED | RM{William Robotham - Chief Engineer}/CTS{C. Trot Salt - Carburation} | USE WRAITH III 5090 | CAMSHAFT AND BEARINGS | S/ZN CAMSHAFT 4 LARGE DIA BEARINGS, TWO WAY THRUST FACES FOR CAMSHAFT, MECHANICAL DRIVE FOR A C PETROL PUMP, OIL FEED TO DISTR. GEAR VIA DRILLED PASSAGE IN SHAFT | PD 481, PL 7, PL 19 | RE.141 | STAMP: ROLLS-ROYCE LTD. PRINT ROOM 17 APR 1940 DERBY | ||