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 decision to abolish cylinder liners and providing blueprints for a new experimental flexible split piston.
| Identifier | ExFiles\Box 77\3\ scan0243 | |
| Date | 22th June 1920 | |
| R.R. 255A (100 T) (S.G. 643, 19-2-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2618 X.4146 To ~~RHG.~~ from BY/Shn. c.c. to ~~EFC.~~ c.c. to ~~Dmr.~~ BY/Shn2/ML22.6.20. X.4146 - 40/50 CHASSIS. PISTON - SECTION 5040. With further reference to the decision made by conference to abolish the Cylinder Liners E.125 on Low Compression Engines, please receive herewith in duplicate blueprints of - E.18688 - Flexible Split Piston (Low Compression) for use without Cylinder Liners. Will you please instruct up 3 sets experimentally. It should be noted that castings for this part can be produced by raising the Gudgeon Pin Boss .125 in the core boxes used for E.18469. BY/Shn. STAMPED: E O JUN 23 RECEIVED. | ||