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 the screw fixing for bonnet strips on 20HP and 40/50HP chassis.
| Identifier | ExFiles\Box 102\6\ scan0027 | |
| Date | 24th September 1923 | |
| R.R. 755 (10H) (SL 72 18-7-23) MP 274954s. 4241 COMPLETED 26.10.23. STANDARDISATION of CHASSIS PARTS. Description of Parts. 20 HP. AND 40/50 HP. CHASSIS. SCREW FIXING BONNET STRIPS. Origin: To use standard screws. Experimental Test Report: This modification consists of changing from bolt with round head to screw with usual slot for screw driver. Road Test Report: Adopted by Springfield. No road test in England considered necessary. Weight of Old Part. Cost of Old Part. £ 7d. Weight of New Part. Cost of New Part. £ 6d. Difference per Car. Difference per Car. £ Negligible. Signature of Mr. De LOOZE that above is correct. My/JW 6.10.23. Date: 24.9.23. No. 4241 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 | DATE | REMARKS MR. JOHNSON | 25.10.23 | Agreed. CJ. MR. B. JOHNSON | 25.10.23 | Agreed. BJ. MR. ROYCE | 20.10.23 | Agreed. FHR. MR. WORMALD | 24.10.23 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 19.10.23 | Agreed. Rg.{Mr Rowledge} MR. DAY | 27.9.23 | Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY | 23.10.23 | The screw driver slots will be injured and job look untidy. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 24.9.23 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT | 10.10.23 | Agreed. E.{Mr Elliott - Chief Engineer} MR. NORTHEY | 1.10.23 | Agreed. PN.{Mr Northey} MR. HIVES | 24.10.23 | Agreed. E.Hives. | ||