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 durability of a thin pivot and cross steering levers.
| Identifier | ExFiles\Box 2\12\ B002_X168-page103 | |
| Date | 26th September 1918 guessed | |
| Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}15/L26513. (contd) 2. time ago. The thin pivot received 1,908,750 single reversals at the rate of 750 per minute before collapsing. Three cross steering levers were broken during the test. These levers last from 10 to 15 hours on the rig. Another pivot which is under size is being tested. | ||