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).
List of engine component specifications and modifications.
| Identifier | ExFiles\Box 91\3\ scan0068 | |
| Date | 7th August 1935 | |
| -2- ENGINE (16) Carburetter filters to LeC.4594. (17) Duralumin push rods to LeC.4626. (18) Valve springs with bottom coils corrected to prevent digging into washer. (19) White metal main and big end bearings. Strap type con. rods, LeC.4624. (20) Dynamo drive bush spindle with helical grooves to Hs.{Lord Ernest Hives - Chair}1843. (21) Oil cooler with reduced restriction as sent out to SpectreCodename for Phantom III III. (22) Exhaust valves undrilled. 84829. (23) Clutch lined in VM. material. (24) Larger slipper flywheels, LeC.4475. Main flywheel idler wheel LeC.4433. Wheelcase LeC.4451. (25) Relief valve and seats LeC.4385 and seats LeC.4553. Oil passages to LeC.4344. (26) Crankcase breather LeC.4542. (27) Camshaft to include additional key-way Hs.{Lord Ernest Hives - Chair}1768. (28) Latest textolite gears. 18044 You can assume that all further engines will be fitted with camshafts Ex.15842, and Fescolised chromium plated tappets until the decision is reversed. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||