Sketch detailing wear on a bearing inner race and retaining collar from a B50 rear axle shaft test.
| Identifier | ExFiles\Box 111\4\ scan0108 | |
| Date | 30th December 1938 | |
| B50 REAR AXLE SHAFT TESTS SKETCH OF WEAR ON BEARING INNER RACE & RETAINING COLLAR CONSIDERABLE WEAR TOOK PLACE AS SHOWN BETWEEN THE SURFACES AA {D. Abbot Anderson} & BB SLIGHT BEDDING HERE BALLS LOOSE ON RACE & CHIPPED RACE CHIPPED RACE BADLY PITTED RACE CHIPPED INNER BALL RACE HOFFMAN N° 345 COLLAR GB 3726 BL 2258 30-12-38 | ||
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).