Internal memorandum detailing preparation instructions for a B.60 No. 1 UNIT for a 100-hour endurance run.
| Identifier | ExFiles\Box 123\5\ scan0181 | |
| Date | 23th November 1938 | |
| 1644 also spec. 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} 6/MH. {M. Huckerby} 23.11.38. B.60 No. 1 UNIT. We should like the above unit to be ready by Monday, the 28th. to commence a 100 hrs. endurance run. In view of this will you please carry out the following:- (1) Remove the raised crown pistons and fit original set of standard Aerolite. (2) Fit set of sodium cooled exhaust valves; original ones in this unit were removed to get No.2 running. (3) Refit head with single head gasket, not 3) as in last test. (4) When fitting new pistons, note that the big end bearings are in good condition also main bearing cap halves. Rm {William Robotham - Chief Engineer} /Swdl. {Len H. Swindell} | ||
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).