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).
Tests on 12 1/4% thin leaf Woodhead springs following consistent failures.
| Identifier | ExFiles\Box 119\2\ scan0220 | |
| Date | 20th November 1924 | |
| X1331 To C.J. from Hs.{Lord Ernest Hives - Chair} Hs{Lord Ernest Hives - Chair}8/LG20.11.24. TESTS WITH 12¼% THIN LEAF WOODHEAD SPRINGS IN FRANCE. X9410 Referring to the attached. As a result of the consistent failures of the bottom leaf of the front springs on the bumping test. Suggestions have been made by R.{Sir Henry Royce} to improve this. We are expecting the Firths 12¼% springs to be better in this respect. Tests are now in hand both in France and on the bumping test. Hs.{Lord Ernest Hives - Chair} | ||