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 road springs for 40/50 HP and 20 HP models to suit bad roads abroad.
| Identifier | ExFiles\Box 54\3\ Scan118 | |
| Date | 22th January 1924 | |
| R.R. 755 (10M) (SL 72 18-7-23) MP 274954a. X2628. COMPLETED 4.3.24. STANDARDISATION of CHASSIS PARTS. Description of Parts. ROAD SPRINGS, 40/50 HP. AND 20 HP. Origin: To suit bad roads abroad. Experimental Test Report. We frequently receive complaints of road springs being too weak for countries such as - Australia, Poland, Portugal etc. The suggested modification is to increase the strength of road springs 20%. Road Test Report. The effect of the 20% stiffer springs is that they will greatly reduce the bumping over bad roads - we also expect they will tend to reduce spring failures. We recommend we adopt 20% stiffer springs where roads are consistently bad. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ Cost of New Part. £ Difference per Car. £ Estimated increase in cost of such cars - £2. 0. 0 Signature of Mr. De LOOZE that above is correct. My/JW 25.1.24. SIGNATURES MR. JOHNSON MR. B. JOHNSON MR. ROYCE MR. WORMALD MR. ROWLEDGE MR. DAY MR. BAILEY MR. PLATFORD MR. ELLIOTT MR. NORTHEY MR. HIVES DATE 3.3.24 3.3.24 22.1.24 23.1.24 24.1.24 23.1.24 23.1.24 26.1.24 24.1.24 25.2.24 REMARKS Agreed. CJ. Agreed, provided Sg.{Arthur F. Sidgreaves - MD} advises whether strong springs are requested in each case. BJ. See over for R's remarks. Agreed. Wor.{Arthur Wormald - General Works Manager} Agreed. Rg.{Mr Rowledge} Agreed. Da.{Bernard Day - Chassis Design} Consider this very necessary to prevent breakages. BY.{R.W. Bailey - Chief Engineer} Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Agreed. E.{Mr Elliott - Chief Engineer} It is presumed we also fit shock dampers to rear for such work. E.{Mr Elliott - Chief Engineer} Agreed. PN.{Mr Northey} Agreed. E.Hives. Date 22.1.24 X No. 2628 Drawing No. 4261 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..........£.......... | ||