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 firmer front springs for 4-wheel brake cars.
| Identifier | ExFiles\Box 52\2\ Scan118 | |
| Date | 10th December 1924 | |
| RR 755 (10M) (SL391 2-11-23) MP 261297 LU429 / G440 COMPLETED 9.1.25. STANDARDISATION of CHASSIS PARTS. Date 10.12.24 Description of Parts. FIRMER FRONT SPRINGS FOR 4-WHEEL BRAKE CARS. X No. 9410 Origin. To improve design. Experimental Test Report. These springs are made with increased number of plates. They can be used as either 12% or 20% stiffer than old standard springs. Road Test Report. Run 10,000 miles in France. No trouble. Bumping tests shew these springs to give a better life than any others tested. 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. £ Cost of Parts in Works which will be scrapped if commenced on:— Series.........£......... Series.........£......... Series.........£......... Signature of Mr. De LOOZE that above is correct. SIGNATURES DATE REMARKS MR. JOHNSON MR. B. JOHNSON 7.1.25 agreed MR. ROYCE 29.12.24 Agreed. FHR. MR. WORMALD 15.12.24 Agreed. Wor. {Arthur Wormald - General Works Manager} MR. ROWLEDGE 15.12.24 Agreed. Rg. {Mr Rowledge} MR. DAY 16.12.24 Agreed. Da. {Bernard Day - Chassis Design} MR. BAILEY 15.12.24 Agreed. BY. {R.W. Bailey - Chief Engineer} MR. PLATFORD 16.12.24 Agreed. EP. {G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT 17.12.24 Agreed. E. {Mr Elliott - Chief Engineer} MR. NORTHEY 27.12.24 Agreed. PN. {Mr Northey} MR. HIVES 3.1.25 Agreed. E Hives. | ||