Reporting the successful completion of 60 hours of bumping tests on the 'SS' chassis with no failures.
| Identifier | WestWitteringFiles\T\November1928\ Scan097 | |
| Date | 19th December 1928 | |
| To R. {Sir Henry Royce} from Hs. {Lord Ernest Hives - Chair} c. to BJ. Wor. {Arthur Wormald - General Works Manager} c. to E. {Mr Elliott - Chief Engineer} DA. {Bernard Day - Chassis Design} c. to BY. {R.W. Bailey - Chief Engineer} ORIGINAL Hs {Lord Ernest Hives - Chair} 3/LG19.12.28. 'SS {S. Smith} ' BUMPING TESTS. Y8772 We have completed 60 hrs. bumping on the rear of the SS. {S. Smith} chassis fitted with spare wheels and have had no failures. Hs. {Lord Ernest Hives - Chair} | ||
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).