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).
Parts list and instructions for fitting self-adjusting tappets to a 2.1 Litre BM.40 engine, reference PL.430.
| Identifier | ExFiles\Box 109\3\ scan0054 | |
| Date | 6th January 1941 | |
| To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/HH. c. to Ev.{Ivan Evernden - coachwork} (Ev{Ivan Evernden - coachwork} is crossed out) Wyatt 1080 700 Rm{William Robotham - Chief Engineer}/HH.5/SW.6.1.41. BM.40 2.1 Litres. Self Adjusting Tappets to PL.430. The following details have been made in accordance with the above scheme:- Sec.5060. Valves & Fittings. RE.1941 Locating Screw. 4 Off. RE.1942 Cap Nut. 4 " RE.1943 Inner Member. 4 " RE.1944 Ball Seat Member. 4 " RE.1945 Pin. 4 " RE.1946 Bush - Rockers. 4 " RE.1947 Rocker Arm - RH.{R. Hollingworth} 2 " RE.1948 Rocker Arm - LH.{Mr Haworth} 2 " RE.1949 Plunger. 4 " RE.2044 Plug. 4 " Sec.5090. Camshaft. RE.1940 Camshaft. 1 Off. Sec.5200. Oil Pipes & Fittings. RE.2045 Ball Valve Body. 1 Off. RE.2046 Ball Seat Member. 1 " RE.2047 Ball Valve Assembly. 1 " RE.2048 Pipe - Tee conn. to Ball valve 1 " RE.2049 Pipe - Ball valve to rockers 1 " Please instruct the above parts together with standard and existing parts in accordance with the PL. LOP. This completes the instructions for the above scheme. Rm{William Robotham - Chief Engineer}/HH. [Signature] | ||