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 mileage log from Chateauroux detailing component failures at specific mileages.
| Identifier | ExFiles\Box 180\M2\M2.7\ img015 | |
| Date | 1st May 1926 guessed | |
| Tested at | Miles run. | Total mileage. | REMARKS. Chateauroux. | 8776. | 8776. | Thrust race to bevel pinion in rear axle given out. Rear O.S. Spring 5th leaf cracked " " | 9276. | 9276. | O.S.Front shock damper breken. " " | 10.027. | 10.027. | Bottom lugs of steering column' flange cracked. | 10.027. | 10.027. | TOTAL MILEAGE. R | ||