List of specifications and part numbers for various engine components.
| Identifier | ExFiles\Box 109\3\ scan0222 | |
| Date | 31th December 1941 | |
| -cont'd- - 3 - Rm {William Robotham - Chief Engineer} /CP.4/LH. {Mr Haworth} 31.12.41. Cylinder Head (cont'd) RE.1934 Thermostat Casing. RE.2417 Outlet Connection EB.3776 Thermostat 10 M {Mr Moon / Mr Moore} /m Y.7 Long reach Sparking Plugs. Valves & Fittings.LOP.RE.1898 Complete to the above LOP. incorporating :- PL.341 1.35 Inlet Valve with Oil Guard Washer. PL.329 30° seat & Venturi. PL.360 1.125 Ex. Valves - Solid - No adjustment. C.I. Hollow Tappets. RE.1878 Inlet Valve - S.65. MC.2. RE.1879 Exhaust Valve - KE.965. MC.2. RE.1880 Inlet Tappets RE.1881 Exhaust Tappets RE.1882/3. Rocker Arms RE.1884 Rocker Shaft RE.1885/6. Pedestals RE.1887 Inlet Springs RE.1888 Exhaust Springs RE.1891 Push Rods .4% Carbon. RE.1892 Rocker Bushes - Babbit Steel RE.1894 Adjusting Screws Inlet Pipes. LOP.RE.1790 Complete to the above LOP. incorporating :- PL.339 Two Port with Water Heated Hot Spot- (Square Section). RE.1791 Inlet Pipe - A {Mr Adams} /C.403 Carb. Air Silencer. Supplied by Rm {William Robotham - Chief Engineer} /Wym. {G. Harold Whyman - Experimental Manager} Camshaft. LOP.RE.1682. Complete to the above LOP. incorporating :- PL.316 Oil Pressure to four Bearings. PL.329 Timing - 45° Dist. Drive Spiral Gears. PL.533 Valve displacement, Velocity, Acceleration. Diagrams - Inlet & EX. --continued-- | ||
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).