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).
Inspection report detailing wear and dimensions of front axle pivot pins and bushes.
| Identifier | ExFiles\Box 72\4\ scan0222 | |
| Date | 25th September 1924 guessed | |
| (10). Front Axle & Brakes. Pivot Pins. Both Pins show signs of picking up and are worn slightly eliptical. Near side. Actual size .996 DIAM Wear uneven .002 drg size .998-1/2 Actual size .9995 DIAM Wear Nil drg size 1.000-1/2 Actual size .870 DIAM Wear .0035" drg size .873-1/2 Off side. Actual size .997 DIAM Wear uneven .001 drg size .998-1/2 Actual size .9995 DIAM Wear Nil drg size 1.000-1/2 Actual size .871 DIAM Wear .002" drg size .873-1/2 Pivot Bushes. Both bushes show signs of picking up especially on outside diameter, and have worn slightly eliptical in bore. Near side. Actual size .8765 DIAM Wear .0015" drg size .875+1 Actual size 1.188 Wear .001 drg size 1.189-1/2 Off side. Actual size .876 DIAM Wear .001" drg size .875+1 Actual size 1.188 Wear .001 drg size 1.189-1 Diameter of bores in pivots for these bushes 1.188, drg size 1.185 (i.e. .003 large) which does not give a press fit as called for. Axle. Condition good. | ||