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).
Summary of faults on chassis 93 NK during testing from 8.6.25 to 13.7.25.
| Identifier | ExFiles\Box 71\4\ scan0307 | |
| Date | 15th July 1925 | |
| +8940 Hotel de France, Chateauroux. Indre. 15.7.25. Summary of faults on chassis 93 NK during test (Cont.) from 8.6.25 to 13.7.25. Tested at. | Miles run. | Total miles. | Remarks. Chateauroux. | 10,311 | 22,546 | O.S.F. spring top leaf broken 2 1/4" rear of centre bolt. " | 15,692 | 21,139 | Rear exhaust box found cracked half way round the pipe. " | 7,626 | 23,318 | Rear exhaust box found cracked half way round the pipe. " | 25,522 | 25,522 | Clutch dismantled. Found that pressure plate fabric had sheared off rivet 3/4 way round, also distance piece broken. New clutch pressure plate fabric fitted. " | 16,555 | 28,040 | N.S.F. spring broken. 4th & 5th leaves broken right across. | | 28,040 | Tests finished at Chateauroux. [Signature] | ||