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).
Requesting the exact specifications for new valve springs for a high-speed test on development engine No. 20.
| Identifier | ExFiles\Box 56\2\ Scan093 | |
| Date | 19th March 1930 | |
| J290. To BY.{R.W. Bailey - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/ACL. c. to AG. c. to RIC. c. to Mr. Jacques. Hs{Lord Ernest Hives - Chair}/ACL.1/AJ.19.3.30. (x4657) HIGH SPEED VALVE SPRING TEST. We are preparing development engine No. 20 for the 12 1/2 hours test on the new valve springs at the higher max. R.P.M. We should like to know the exact specification for the new springs which we have to fit to this engine. Hs{Lord Ernest Hives - Chair}/ACL. | ||