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).
The importance of specific gravity in piston alloy for achieving a more substantial or lighter piston design.
| Identifier | ExFiles\Box 36\3\ scan 024 | |
| Date | 15th February 1916 | |
| R R.{Sir Henry Royce} 235 a (300 T) (S.C. 536. 15-2-16) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1547 Contd. 3. piston alloy, the specific gravity would be of importance, because it may be possible to have a more substantial design with the same weight, or lighter pistons. R.{Sir Henry Royce} | ||