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).
Modification for fixing Phantom III valve springs on B.60 Unit No.1.
| Identifier | ExFiles\Box 123\5\ scan0227 | |
| Date | 9th December 1938 | |
| 1644 . To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}1/MH.{M. Huckerby}9.12.38. B.60 UNIT NO.1. Further to our memo Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}7/JH.8.12.38, the fixing of Ph.III valve springs, there is a slight modification required as follows. (1) Fit EB.4402 bottom washers. (2) Bore out E.86360 Ph.III bottom washers to 1.200 dia. as per (EXS.1288) and fit on the top of the above EB.4402 washers, otherwise the previous instruction stands. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||