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 chassis parts, specifically aluminium pistons for repair cars.
| Identifier | ExFiles\Box 148\3\ scan0033 | |
| Date | 31th January 1924 | |
| R.R. 755 (10H) (SL 72 18-7-23) MP 274954s. Handwritten top: Y2748 Completed 25/7/24 STANDARDISATION of CHASSIS PARTS. Date 31.1.24. Description of Parts. ALUMINIUM PISTONS FOR REPAIR CARS. Origin: To improve design. Experimental Test Report. The design is identical to the standard 40/50 pistons except for alterations necessary to suit different length connecting rods and dia. of gudgeon pins. Road Test Report. Run on test bench at various loads and speeds for 9000 miles. After this, run on road for 500 miles. When examined they were found to be in good condition. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ 9. 13. 0 Cost of New Part. £ 10. 16. 6 Difference per Car. £ 1. 3. 6 increase. Signature of Mr. De LOOZE that above is correct. My/JW 5.2.24. RIGHT HAND BOX: X No. 2748 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. Cost of Parts in Works which will be scrapped if commenced on:- Series.......... £ .......... Series.......... £ .......... Series.......... £ .......... SIGNATURES TABLE: SIGNATURES | DATE | REMARKS MR. JOHNSON | | Agreed C Johnson 21 Feb. do not wait for BTJ's signature. He is disposed MR. B. JOHNSON | | MR. ROYCE | 5.2.24 | Agreed. FHR. A very long ago suggested improvement to adopt for repair work. MR. WORMALD | 11.2.24 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 31.1.24 | Agreed. Rg.{Mr Rowledge} MR. DAY | 13.2.24 | Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY | 2.2.24 | Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 31.1.24 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT | 13.2.24 | Agreed. E.{Mr Elliott - Chief Engineer} MR. NORTHEY | 1.2.24 | Agreed. PN.{Mr Northey} MR. HIVES | 15.2.24 | Agreed. E.Hives. (A large blue stamp with the word 'PASSED' is across the middle of the document) | ||