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 for shorter and lighter wheels and hubs to improve the design.
Identifier | ExFiles\Box 40\3\ Scan105 | |
Date | 2nd May 1928 | |
RR 755 REVISED (10H) (DE 649 9-12-26) 5M. 2/1197. X2580 COMPLETED 2.7.28 STANDARDISATION of CHASSIS PARTS. Date 2.5.28 Description of Parts. WHEELS & HUBS - SHORTER & LIGHTER. X No. 7810 Drawing No. 3580 Part List Origin. To improve design. Experimental Test Report. These hubs reduce the width of the car at the hubs by 1.5" and also improve the appearance. The saving in weight is approx. 20 lbs. per car. Road Test Report. Ran 2300 miles on 12-EX car. Will complete 10,000 miles in a few weeks. 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. £ 116:1:11d. Including side by side brakes! Cost of Parts in Works which will be scrapped if commenced on :- Weight of New Part. Cost of New Part. £ 111:4:2d. Series..........£......... Difference per Car. Difference per Car. £ 4:17:9d. decrease. Series..........£......... Signature from Cost Dept. that above is correct. C/No: 29.6.28. Wor.{Arthur Wormald - General Works Manager} Series..........£......... INITIAL | DATE | REMARKS BJ. | 2.7.28 | Agreed. B.J. R.{Sir Henry Royce} | 4.5.28 | Agreed. FMR. WOR.{Arthur Wormald - General Works Manager} | 3.5.28 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 3.5.28 | Agreed. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 4.5.28 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 3.5.28 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 3.5.28 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 4.5.28 | Agreed. E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | 5.6.28 | Agreed. PN.{Mr Northey} CWB. | 10.5.28 | Agreed. CWB. Hs.{Lord Ernest Hives - Chair} | 2.5.28 | Agreed. Hs.{Lord Ernest Hives - Chair} | ||