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).
Fitting of Whitemetal main bearings without liners to a Wraith III No.4 Unit.
| Identifier | ExFiles\Box 115\3\ scan0165 | |
| Date | 4th January 1938 | |
| 1020 COPY FOR FILES. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}9/JH.4.1.38. Whitemetal main bearings without liners between the halves were fitted to Wraith III No.4 Unit (27.G.VI). The numbers for this job were. EX.28080/1/2/3 Bearings caps. EX.28088/9/90/1/2 Main bearings. EX.28087 Mod. to top half crankcase. Several more similar sets are being produced in the experimental both in Whitemetal and centri cast A.C.6. RM{William Robotham - Chief Engineer}/SWDL.{Len H. Swindell} | ||