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).
Standardisation of a flexible split piston for use without cylinder liners.
| Identifier | ExFiles\Box 77\3\ scan0247 | |
| Date | 30th July 1920 | |
| R R 755 (5 H) (S F.{Mr Friese} 621, 2-5-19) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2501. X.4146 COMPLETED 15.9.20. STANDARDISATION of CHASSIS PARTS Description of Parts. Flexible split piston (low compression) for use without cylinder liners. Origin. To do away with the necessity of using an aluminium liner for low compression engines. Experimental Test Report. This alteration only consists in altering the position of the gudgeon pin bosses .125". Road Test Report. None taken. Signature of Exp. Dept. that above is correct. E.{Mr Elliott - Chief Engineer} Hives. Weight of Old Part. Cost of Old Part. £ Weight of New Part. Cost of New Part. £ Difference per Car. Difference per Car. £ Cost of Parts in Works and Stores which will be scrapped if commenced on:- Series..........£.......... Series..........£.......... Series..........£.......... Storekeeper advised re above. Storekeeper's Signature. Signature of Mr. DeLOOZE that above is correct. SIGNATURES | DATE | REMARKS Mr. JOHNSON. | 10.8.20. | Subject to a test of 500 hours before cars so fitted are issued. C. Johnson Mr. ROYCE. | 10.9.20. | Agreed. FHR. Mr. WORMALD. | 31.7.20. | Agreed. Wor.{Arthur Wormald - General Works Manager} Mr. NADIN. | | Mr. PLATFORD. | 2.8.20. | Agreed. after an ordinary test. EP.{G. Eric Platford - Chief Quality Engineer} Mr. NORTHEY. | 5.8.20. | Agreed provided the policy is accepted which will prevent alteration of compressions at any future time unless new pistons be fitted. PN{Mr Northey} Mr. BAILEY. | 3.8.20. | Agreed. By.{R.W. Bailey - Chief Engineer} Mr. BARRINGTON. | 2.8.20. | Consider this requires test before standardisation. Bn.{W.O. Bentley / Mr Barrington} Mr. DAY. | 3.8.20. | Agreed. Da.{Bernard Day - Chassis Design} | ||