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 procedure for road spring lubrication using felt inserts and copper oil pipes.
| Identifier | ExFiles\Box 67a\2\ scan0218 | |
| Date | 21th November 1928 | |
| W. Bell. from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X8410 Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}/LG21.11.28. TESTS ON SPRING LUBRICATION. X8410 X3745 Take a road spring and gaiter and cut out pieces of felt to fit inside the gaiter. (1) At the sides of the spring. (2) Underneath the spring. Take two fine copper pipes and run them from the lubricator as illustrated. We will then carry out experiments drilling oil holes in various places in this pipe. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||