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).
Material change to aluminium for J.3 type shock absorber cases and a specification for valves.
| Identifier | ExFiles\Box 105\3\ scan0269 | |
| Date | 25th August 1932 | |
| X5520. To RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} c. to By.{R.W. Bailey - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}6/MJ.25.8.32. HYDRAULIC SHOCK ABSORBERS. Will you please note that R.{Sir Henry Royce} has now decided that shock absorber cases should be made in Aluminium. Any further J.3 type shock absorbers, therefore, should be in this material. With regard to valves, will you please note that these should be made to N.Sch.3497 until we have further information. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||