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).
Authorising proceeding with the production of crankshafts and balance weights for B.60 units.
| Identifier | ExFiles\Box 123\5\ scan0187 | |
| Date | 26th November 1938 | |
| y 1044 - 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}26.11.38. B.60 UNITS. Further to our memo Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}2/MH.{M. Huckerby}17.11.38, giving the specification for the above units in which the crank-shafts were held up in the forged condition pending investigation of the balance weights, will you please proceed with them as follows. Cranks for Nos. 4, 5 and 6 units to have Wraith type of R.R. balance weights in accordance with the drawings EB.4461 for Nos. 4 and 5, and EB.4476 for No.6. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||