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).
The life of steering levers during bumping tests.
| Identifier | ExFiles\Box 119\2\ scan0054 | |
| Date | 28th May 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Mcr3/L28514. X1335 May 28th. 1914. LIFE OF PARTS ON BUMPING TESTS. STEERING LEVERS. 3" Humps at 105 revs per minute. Piece No. | Description. | Time. Hrs. Mins. | Results. | Reference. F.951 | Top Steering Lever. | 4 - 20 | Broke. | Wor{Arthur Wormald - General Works Manager}/EH1/L10913. " | ditto. | 40 | " | Wor{Arthur Wormald - General Works Manager}/EH6/L12913. " | " | 1 - 32 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}1/C18913. " | " | 5 - 4 | " | " | " | 1 - 33 | " | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}19/L221013. " | " | 2 - 40 | " | " " | " | 8 - 58 | " | " Average Life before breakage F.951. Top Steering Lever. } 3 hrs 32 mins. Average over 7 Handwritten sideways: X1335 | ||