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).
Specifying updated valve cap washer dimensions for Phantom II hydraulic shock dampers.
| Identifier | ExFiles\Box 55\4\ Scan393 | |
| Date | 10th December 1929 | |
| To By.{R.W. Bailey - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X235 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} 7/MJ.10.12.29. HYDRAULIC SHOCK DAMPERS. We have now established that the valve cap washers required to give the correct loads on the hydraulic dampers with the new limits Phantom 11 are - FRONT L.P. .070 [Struck out, handwritten .085] H.P. .095 [Struck out, handwritten .065] REAR L.P. .090 H.P. .075 Will you therefore please instruct these washers as soon as possible as Mr. Brock has used up his existing supply. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||