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 sheet detailing engine components, their materials, and associated design numbers.
| Identifier | ExFiles\Box 109\3\ scan0167 | |
| Date | 7th February 1940 | |
| SPECIFICATION SPECIFICATION No PL 532 ISSUE No 2 SHEET No 2 SEC. No | TITLE | DESCRIPTION. | DESIGN NO | DETAILS | L.O.P. | REMARKS. --- 5000 | CRANKCASE & BEARINGS CYLINDER | C.I MONOBLOC, 3 JOURNAL BEARINGS, VANDERVELL MAIN BEARINGS. VANDERVELL CAMSHAFT BEARINGS, HIGH FRONT ENGINE MOUNTING, DYNAMO MOUNTING, MECHANICAL PETROL PUMP, SIDE EXHAUST VALVES, WATER PUMP ON FRONT OF BLOCK, 4 EXHAUST PORTS, SHEET METAL TAPPET DOOR, WATER GALLERY IN BLOCK WITH WATER JETS. | PL.316, PL.324, PL.355, PL.334, PL.334, PL.350, PL.329, PL.334, PL.325, PL.315 | ✓, ✓, ✓, ✓, ✓, ✓, ✓, ✓, ✓, ✓ | RE.1904 | VANDERVELL BRGS TO BE DELETED --- 5010 | CRANKSHAFT | .4% CARBON STEEL, BLACK WEBS. 3 JOURNAL BEARINGS, SOLID CRANKPINS & JOURNALS. CLUTCH SPIGOT BEARING. | PL.316, PL.355 | ✓, ✓ | RE.1681 | --- 5020 | SPRING DRIVE | | | | | NO SPRING DRIVE & NO TORSIONAL DAMPER --- 5030 | CONNECTING ROD | COINED RODS, No OIL PRESSURE TO LITTLE END. VANDERVELL BEARINGS BOTH ENDS. S/N BOLTS. | PL.333 | ✓ | RE.1640 | RODS WILL NOT PASS THRO' CYL. BORE. --- 5040 | PISTON | ALUM. SPLIT SKIRT, PISTON PIN WITH RUBBING BUTTONS, TWO GAS RINGS & ONE SCRAPER | PL.348, PL.333 | ✓, ✓ | | REFER TO PL.326 FOR REMOVING PISTONS FROM BELOW - PL.333 REMOVING PISTONS FROM THE TOP --- 5050 | CYLINDER HEAD | C.I HEAD. 7 TO 1 RATIO. 'ORIGINAL' SHAPE COMBUSTION CHAMBER. OVERHEAD INLET WITH 30° SEAT - 10 M/M SPARK PLUGS - OIL FILLER IN SHEET METAL ROCKER COVER, THERMOSTAT. BI-METAL THERMOMETER, TWO INLET PORTS. | PL.341, PL.324, PL.340, PL.327 | ✓, ✓, ✓, ✓ | RE.1936 | --- FOOTER: R.R.888 (2H) 16168. 7. 2. 40 N & G.{Mr Griffiths - Chief Accountant / Mr Gnapp} LTD. | ||