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 and life of different front axle pivot designs.
| Identifier | ExFiles\Box 2\B002_X168\ 00000001-page239 | |
| Date | 29th April 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Wor{Arthur Wormald - General Works Manager}2/L29414. FRONT AX PIVOTS (2). | Piece No. | Description | Time. Hrs. Mins. | Results | Reference. | |---|---|---|---|---| | F3783. | Off Side Pivot. | 22 - 50 | Broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}3/L2214. | | F3784. | Near Side Pivot (bore 1.33") | 41 - 6 | Broke at root of stub. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}2/L16114. | | F4379. | Pivots (Big radius & steel washers) Off side. | 140 - 0 | Not broken. | Wor{Arthur Wormald - General Works Manager}/Hyll/B16314 | | F4380. | Near Side Pivot (Big radius & steel washers) | 65 - 0 | Not broken. | Wor{Arthur Wormald - General Works Manager}/Hyll/B16314. | Average Life before breaking. F2352. Pivot, near Side 5 hrs 45 mins. average over one. F2353 " off side 2 " 59 " " " " F3272 " " " 6 " 3 " " " " F3697. " " " 10 " 6 " " " two. F3698. " near " 15 " 11 " " " " F3783. " off " 29 " 51 & (Two unbroken) " " five " F3784. " near " 41 " 6 " " " one. F4379. " off " 140 " 0 " unbroken F4380. " near " 65 " 0 " unbroken. | ||