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).
On the superior test results of front springs supplied from the U.S.A compared to Woodhead Springs.
| Identifier | ExFiles\Box 43\2\ Scan039 | |
| Date | 20th September 1921 | |
| To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair} c. to CJ. c. to E.{Mr Elliott - Chief Engineer} c. to Da.{Bernard Day - Chassis Design} c. to BY.{R.W. Bailey - Chief Engineer} c. to EWT. for R.{Sir Henry Royce} R.{Sir Henry Royce} Inc. X3900 Hs{Lord Ernest Hives - Chair}3/LG20.9.21. X.3900 X.2628. FRONT SPRINGS SUPPLIED FROM U.S.A. In our memo. Hs{Lord Ernest Hives - Chair}1/LG10.8.21 we reported that we had obtained excellent results from these springs and the one which failed at that time had stood up considerably longer than the Woodhead Springs. The second American spring lasted 56 hours. on the Bumper Test. This is by far the best record we have ever had of any front spring. Attached is Mr. Hall's report. | ||