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\ scan0033 | |
| Date | 28th May 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Mcr3/L28514. 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}/WH1/L10913. " ditto. 40 " Wor{Arthur Wormald - General Works Manager}/WH6/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 | ||