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).
Camshaft change on a B.V. No.1 unit for a power comparison.
| Identifier | ExFiles\Box 97\3\ scan0042 | |
| Date | 4th February 1939 | |
| 400d. ɣ 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}5/MH.{M. Huckerby}4.2.39. B.V. NO.1 UNIT (CONTINENTAL) 14.B.V. We are returning the above unit for a change of camshafts in order to obtain a power comparison. Existing camshaft to be removed and EB.3466 camshaft fitted. At the same time will you please fit the light inertia camwheel EW.1729 and Metalastik coupling as taken from Wraith III No.4 unit providing they are in good condition. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||