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 detailing the breakage results and lifespan of vehicle springs.
| Identifier | ExFiles\Box 119\2\ scan0013 | |
| Date | 27th May 1914 guessed | |
| Wor{Arthur Wormald - General Works Manager}/Mcr7/L1514. Sheet. 6 SPRINGS. Piece No. | Description. | Time Hrs. Mins | Results | Reference ---|---|---|---|--- F.812 | Front Spring. off side. | 3 - 36 | Broke top plate front end. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}19/L221013 " | ditto. | " 44 | Broke front end | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}27/L61113. " | " | 3 - 51 | Broke top plate | " " | " | 2 - 38 | " " | " " | " | 3 - 9 | " " | " " | " | 2 - 49 | Broke front end | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}5/L201113. " | " | 1 - 23 | " " | " " | " | 1 - 30 | " " | " " | " | 3 - 35 | " " | " " | " | 3 - 0 | " " | " " | " | 3 - 12 | " " | " Average Life before breakage. F812. Front Spring, near side. | 1.hr 5 mins. | Average over 62 " " " off " | 2 " 54 " | " 24 | ||