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).
Inquiry regarding potential damage and noise from jacking 3½ or 4¼ litre rear axle cases and the need for reinforcement.
| Identifier | ExFiles\Box 139\1\ scan0329 | |
| Date | 24th December 1936 | |
| J.{Mr Johnson W.M.} 1166. W/K.{Mr Kilner} To KC. from Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls} Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}9/AP.24.12.36. Will you please let us know whether you have ever seen any 3½ or 4¼ rear axle centre cases damaged by the use of lifting jacks, having sharp prongs. Have any axles become noisy due to distortion from being jacked in this manner.? We are enquiring this to decide whether any additional metal is required at the bottom of the casing as has been found necessary on P.3. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||