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).
Implementing valve guide clearance improvements from the Phantom model on the 20 HP model.
| Identifier | ExFiles\Box 106\5\ scan0027 | |
| Date | 12th June 1928 | |
| To BY.{R.W. Bailey - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X5060 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}5/LG12.6.28. 20 HP. VALVE GUIDES. X5060 X289 We should like the improvements as regards clearance that we have brought in on the Phantom to be carried out in parallel on the 20 HP. We anticipate that you have probably made this move automatically, and if not, we should be pleased if you would take the matter up. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||