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 lifespan of front axle pivots under bumping conditions.
| Identifier | ExFiles\Box 2\12\ B002_X168-page238 | |
| Date | 29th April 1914 | |
| Wor{Arthur Wormald - General Works Manager}/Mcr2/L29414. X/58 April 29th. 1914. LIFE OF PARTS ON BUMPING TESTS. FRONT AXLE PIVOTS. 3" Bumps at 105 revs. per minute. Piece No. | Description | Time Hrs. Mins. | Results. | Reference. --- | --- | --- | --- | --- F2352. | Near Side Pivot. | 5 - 45 | Broke. | Wor{Arthur Wormald - General Works Manager}/EH1/L10913. F2353. | Off Side Pivot. | 2 - 59 | Broke off at root. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}1/C18913 F3372. | Off Side Pivot. | 6 - 3 | Broke off at root of stub. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}3/L271113. F3697. | Off Side Pivot. | 12 - 47 | Broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}4/L51213. F3697. | Off Side Pivot. | 7 - 25 | Broke off at stub. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}3/L271113. F3698. | Near Side Pivot. | 15 - 32 | Broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}4/L51213. F3698. | Near Side Pivot. | 14 - 50 | Broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}16/L20114. F3783. | Off Side Pivot. | 6 - 5 | Broke. | Wor{Arthur Wormald - General Works Manager}/Mcr4/L27114. F3783. | Off Side Pivot. | 6 - 15 | Broke. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}1/L23214. F3783. | Off Side Pivot. | 54 - 0 | Not broken. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}2/L16114. F3783. | Off Side Pivot. | 60 - 0 | Not broken. | Wor{Arthur Wormald - General Works Manager}/Hy{Tom Haldenby - Plant Engineer}3/L2214. | ||