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 for Test No. 7, a 50-hour repeat test on disc plates fastened with specific rivets.
| Identifier | ExFiles\Box 5\5\ 05-page18 | |
| Date | 11th February 1930 guessed | |
| -3- / TEST No 7. This was a repeat test of No 1. i.e. the disc plates fastened with C.73572. rivets, and a general arrangement to Ex.3938. This ran for 50 hrs. and was in perfect condition at the end of this period. TIME RUN 50 Hrs. REVERSALS 1,716,000. -------------------- N.B. The discs used in tests 2a, 2b, 3, 4, 5, and 7, were all from the same batch. No 1. was the last of a previous order and No 6. was taken from production stock. | ||