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).
Test report on the effect of removing the pivot bearing end plate on high speed wobbles.
| Identifier | ExFiles\Box 29\1\ Scan327 | |
| Date | 22th March 1928 | |
| X457 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}/LG22.3.28. HIGH SPEED WOBBLES. We ran a car on which all the end plate was taken out of the pivot bearing. This has not appreciable effect on high speed wobbles, if anything the effect was worse. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||