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 .375' thick front brake liners to increase lifespan.
| Identifier | ExFiles\Box 171\1\ img221 | |
| Date | 5th July 1930 | |
| RR 788 REVISED (10M) (DO 348 19-7-29) BM. 6/543. ORIGINAL STANDARDISATION of CHASSIS PARTS. COMPLETED 7.10.30. Date 5.7.30. Description of Parts. FRONT BRAKE LINERS .375" THICK. 7361. X No. 7420. Drawing No. Part List Origin. To increase the period before re-lining is necessary. Experimental Test Report. The present lining has to be thrown away when half worn, or the rivet heads foul the drum. The proposed lining will give 80% more life. Road Test Report. Run 10,000 miles on 23-EX. Now running 10,000 miles on 24-EX. 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. £. Included in Std. sheet X.3806/7350/7420. Difference per Car. Difference per Car. £ Signature from Cost Dept. that above is correct. Cost of Parts in Works which will be scrapped if commenced on:- Series..........£......... Series..........£......... Series..........£......... INITIAL DATE REMARKS Sg.{Arthur F. Sidgreaves - MD} 6.10.30 Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} 9/7/30 Agreed, FHR, Would our staple system of fixing be better or less costly for front & rear liners. WOR.{Arthur Wormald - General Works Manager} 8.7.30 Agreed Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} 8.7.30 Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} 8.7.30 Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} 8.7.30 Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} 9.7.30 Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} 12.7.30 Agreed AE. - Does this not also apply to the back brake liners?. PN.{Mr Northey} Agreed PN.{Mr Northey} CWB. Agreed C. Hs.{Lord Ernest Hives - Chair} Agreed. [Stamp] PHANTOM | ||