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 Piston Pin Locking Screw to improve the design by adding extra clearance.
| Identifier | ExFiles\Box 171\3\ img209 | |
| Date | 24th September 1923 | |
| R.R. 755 (1M) (SL 72 18-7-23) MP 274954s. COMPLETED 31.10.23. STANDARDISATION of CHASSIS PARTS. Date 24.9.23. Description of Parts: PISTON PIN LOCKING SCREW. Origin: To improve design. Experimental Test Report: Extra clearance is given to the pin on one side of the gudgeon pin to avoid the risk of binding, Road Test Report: Adopted by Springfield. [Right Hand Box] X No. 685 Drawing No. Part List A Scrap and replace at all costs, including Chassis already delivered to customers. B Scrap and replace on Chassis in works. C Scrap present stock and replace on all Chassis not yet handed to test. D Use existing stock Alteration effective on future Chassis. Weight of Old Part. Cost of Old Part. £ Weight of New Part. Cost of New Part. £ Difference per Car. Difference per Car. £ Negligible. Cost of Parts in Works which will be scrapped if commenced on :- Series......... £......... Series......... £......... Series......... £......... Signature of Mr. De LOOZE that above is correct. Mv/JW 26.10.23. SIGNATURES | DATE | REMARKS MR. JOHNSON | 30.10.23 | Agreed. CJ. MR. B. JOHNSON | 30.10.23 | Agreed. BJ. MR. ROYCE | 26/10/23 | Agreed FHR MR. WORMALD | 27.10.23 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 24.9.23 | Agreed. Rg.{Mr Rowledge} MR. DAY | 27.9.23 | Agreed Da{Bernard Day - Chassis Design} MR. BAILEY | 27.9.23 | Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 24.9.23 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} | R.{Sir Henry Royce} already approved for Springfield. MR. ELLIOTT | 15/10/23 | Agreed E MR. NORTHEY | 1.10.23 | Agreed. PN.{Mr Northey} MR. HIVES | 29.10.23 | Agreed. E.{Mr Elliott - Chief Engineer} Hives. [Stamps] ORIGINAL CHASSIS | ||