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).
Use of magnesium casting and Y-metal for crankcases and pistons.
| Identifier | ExFiles\Box 66\1\ scan0097 | |
| Date | 1st July 1926 | |
| To RG.{Mr Rowledge} Nor. } FROM R.{Sir Henry Royce} BY.{R.W. Bailey - Chief Engineer} } c. to BJ. Hs.{Lord Ernest Hives - Chair} X8040 R3/M5. 7. 26. X.4112 X.2603 X.8040 I was very impressed with the magnesium casting, which is apparently a very light alloy, and thinner than our practice. Follow it up with all possible speed for F.10. crankcase, and Phantom and other pistons. Also Y. metal pistons apparently for strength. R.{Sir Henry Royce} | ||