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, replacing the .930 lead worm with a .750 lead worm and nut.
| Identifier | ExFiles\Box 106\3\ scan0216 | |
| Date | 2nd April 1928 | |
| RR 758 REVISED (10H) (DE 649 9-12-26) BM. 2/1187. X5430 COMPLETED 30.5.28 STANDARDISATION of CHASSIS PARTS. Date 2.4.28 Description of Parts. N.SCH. 2265. F.5461 8/9. 20 HP. .750 LEAD WORM AND NUT. Origin. Designed to fit in old type boxes having the .930 lead worm. Experimental Test Report. The .930 lead worm causes complaints of joggles. We consider that no more should be made but any worn out through wear and tear should be pk replaced by the .750 lead. Road Test Report. Run 2000 miles on 11-G-111. Fitted to Mr. Flather's car, ana inveterate grumbler - it cured his complaint. X No. 5430 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. (Selected) 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. £7-14-6 Difference per Car. Difference per Car. £7-14-6 Signature from Cost Dept. that above is correct. GRH 25/5/28 Handwritten Note: This is an improvement which will be incorporated when cars are sent in for repair. WH Cost of Parts in Works which will be scrapped if commenced on:- Series.........£....... Series.........£....... Series.........£....... APPROVALS TABLE: INITIAL | DATE | REMARKS BJ. | 30 5 28 | agreed FHR. R.{Sir Henry Royce} | 7.4.28 | Agreed. | FHR. WOR.{Arthur Wormald - General Works Manager} | 3.4.28 | Agreed. | Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 3.4.28 | Agreed. | RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 4.4.28 | Agreed. | Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 3.4.28 | Agreed. | BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 3.4.28 | Agreed. | EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 4.4.28 | Agreed. | E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | | | CWB. | 4.4.28 | Agreed. | CWB. Hs.{Lord Ernest Hives - Chair} | 2.4.28 | Agreed. | Hs.{Lord Ernest Hives - Chair} STAMPED: ACTION | ||