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).
Sketches and notes on alternative piston designs, including split and pad types.
| Identifier | ExFiles\Box 180\M2\M2.4\ img018 | |
| Date | 18th October 1919 | |
| E 5/630/10/19 SPLIT PISTON THE RIGID SIDE MUST BE USED FOR TAKING THE PRESSURE ON THE POWER STROKE FOR THE PISTON TO FUNCTION PROPERLY. SNUG SKETCH EMBODYING ALL OF THE ALTERNATIVE FEATURES OF THE PAD PISTON THE CON. ROD IS SHOWN WITH A SPLIT LITTLE END & A BITING IN BOLT CLIPPING THE PISTON PIN WHICH ALLOWS THE OIL TO BE CUT OFF NEAR TO THE RAM. THE ABOVE SKETCH IS TO SHOW A WAY OF ARRANGING THE NON RETURN VALVE & DOES NOT REPRESENT FINALITY IN THE MATTER. PAD WILL PROBABLY BE RATHER HIGHER THAN PIN CE 18/10/19 | ||