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 dampers for brake drums.
| Identifier | ExFiles\Box 172\1\ img073 | |
| Date | 14th October 1925 | |
| RR 755 (10M) (SL391 2-11-23) MP 281297 ORIGINAL COMPLETED 30.10.25. STANDARDISATION of CHASSIS PARTS. Date 14.10.25. No. 4257 Description of Parts. DAMPERS FOR BRAKE DRUMS. Origin. To reduce squeaking. Experimental Test Report. This is a modified damper similar to those fitted to 'India' which can be fitted to existing 20 HP. cars without 4-wheel brakes. Road Test Report. Similar dampers have run 21,000 miles On 'India' chassis. Recommended for replacement in cases of complaint. X No. 4257 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. £ Weight of New Part. Cost of New Part. £ Difference per Car. Difference per Car. £ 3. 5. 0 Cost of Parts in Works which will be scrapped if commenced on:- Series......... £......... Series......... £......... Series......... £......... Signature of Mr. De LOOZE that above is correct. My/Rns 21.10.25. SIGNATURES DATE REMARKS MR. JOHNSON 30.10.25 Agreed. C.Johnson. MR. B. JOHNSON 30.10.25 Agreed. B.J. MR. ROYCE 22/10/25 FHR - Agreed. MR. WORMALD 14.10.25 Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE 15.10.25 Agreed. Rg.{Mr Rowledge} MR. DAY 16.10.25 Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY 14.10.25 Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD 14.10.25 Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT 23/10/25 OE Agreed MR. NORTHEY 16.10.25 Agreed. PN.{Mr Northey} MR. HIVES 28.10.25 Agreed. E.Hives. | ||