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 document for replacing the .930 lead worm with a .750 lead worm and nut on the 20 HP chassis.
| Identifier | ExFiles\Box 172\1\ img125 | |
| Date | 2nd April 1928 | |
| RR 755 REVISED (10M) (DE 649 9-12-26) BM. 2/1157. ORIGINAL COMPLETED 30.5.28 STANDARDISATION of CHASSIS PARTS. Date 2.4.28 Description of Parts. N.SCH.2265. F.54618/9. 20 HP. .750 LEAD WORM AND NUT. Drawing No. 5430 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 replaced by the .750 lead. Road Test Report. Run 2000 miles on 11-G-111. Fitted to Mr. Flather's car, an inveterate grumbler. It cured his complaint. [Action Box B is ticked]: Scrap and replace on Chassis in Works. Cost of Old Part: This is an improvement Cost of New Part: Will be incorporated when cars are sent in for repair. £7. 14. 6 Difference per Car: £7. 14. 6 Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 25.5.28. Wor.{Arthur Wormald - General Works Manager} 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. BJ. R.{Sir Henry Royce} | 7/4/28 | Agree 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} | 5.4.28 | 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} [Handwritten note across document]: 20 R.{Sir Henry Royce} | ||