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 modified, shorter undershield to aid in cooling the floor-boards.
| Identifier | ExFiles\Box 56\3\ Scan142 | |
| Date | 16th August 1923 | |
| R.R. 755 (10H) (SL 72 18-7-23) MP 274954s. COMPLETED 31.8.23 STANDARDISATION of CHASSIS PARTS. Description of Parts. UNDERSHIELD. Origin: To assist in cooling floor-boards. Experimental Test Report. This modification consists of reducing the length of the undershield by 10" approx. It is still as effective as regards preventing mud getting on to the parts which need protection. Road Test Report. Fitted to 6-G-11 - run 1760 miles - 700 miles on muddy roads. Fitted to 5-G-11 - run 460 miles. Date: 16.8.23. X No. 4272 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. £ 3. 9. 11 Weight of New Part. Cost of New Part. £ 3. 4. 0 Difference per Car. Difference per Car. £ .5. 11 decrease. Signature of Mr. De LOOZE that above is correct. My/DW, 23.8.23. Cost of Parts in Works which will be scrapped if commenced on:- Series.......... £ Nil Any stock can be modified. Series.......... £...... Series.......... £...... SIGNATURES DATE REMARKS MR. JOHNSON MR. B. JOHNSON, 29-8-23, Agreed. G MR. ROYCE, 27.8.23, Agreed. FHR. MR. WORMALD, 16.8.23, Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE, 20.8.23, Agreed. Rg.{Mr Rowledge} MR. DAY, 18.8.23, Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY, 16.8.23, Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD, 16.8.23, Agreed - improved cooling necessary - if O.K for protection during bad weather. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT, 27.8.23, Agreed. E.{Mr Elliott - Chief Engineer} MR. NORTHEY, 20.8.23, Agreed. PN.{Mr Northey} MR. HIVES, 29.8.23, Agreed. E.Hives. | ||