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 components, their part numbers, and specifications including valve timing.
| Identifier | ExFiles\Box 124\2\ scan0263 | |
| Date | 30th October 1940 guessed | |
| Carburettor Air Silencer Rm{William Robotham - Chief Engineer}/Wym{G. Harold Whyman - Experimental Manager} to supply ---------- Camshaft LOP EB 4314 Complete to above LOP using:- EX 33975 Camshaft Modified to PD 481 lubrication of distributor and pump drive gear. Valve timing:- I.O 11° A.TDC. E.O. 48° B.BDC. I.C. 32° A.BDC E.C. 8° B.TDC. @ .030" tappet clearance. EB 3955/6 Camwheel ---------- Water Pump and fan LOP EB4208 Complete to above LOP incorporating:- Water Pump Ex. 4B50 chassis, B80No. 1 unit Reconditioned with single ventilated Skefco bearing and spindle EB5000 ( Vauxhall type) ---------- Oil Pump LOP EB 3908 Complete to above LOP incorporating:- EB4483 top driving gear. ---------- Wheelcase and fittings LOP EB4117. Complete to above LOP EB4116 Wheelcase. ---------- | ||