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).
Modifications to bearings for Bentley, Wraith and 30.HP models.
| Identifier | ExFiles\Box 115\3\ scan0081 | |
| Date | 2nd November 1937 | |
| To By/CS. from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} 1020 Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}9/AP.2.11.37. BEARINGS. Regarding the interference fits, nip and bearing clearance which have recently been overhauled and modified on the Bentley main and big end bearings in the A.C. alloys will you please incorporate the same modifications on the A.C. big end bearings of Wraith and 30.HP. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||