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 relating to wider rear brake shoes.
| Identifier | ExFiles\Box 12\5\ 05-page222 | |
| Date | 5th June 1930 | |
| RR 755 REVISED (10H) (DG 348 19-7-29) BM. 6/643. X 930. COMPLETED 5.11.30. STANDARDISATION of CHASSIS PARTS. Date 5.6.30. Description of Parts. REAR BRAKES. WIDER BRAKE SHOES. FOOT BRAKE 2.250". HAND BRAKE 1.250" Origin. 4/PPA To increase life of foot brake and lessen movement of foot pedal, keeping it off foot board for long duration of braking. Experimental Test Report. Fitted and tested on 23-EX. Efficient braking and life of brake shoes increased. Road Test Report. Fitted to 23-EX and run 10,000 miles. No adjustment necessary in this mileage. The condition of brakes shoes excellent. PHANTOM Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ 16-7-2 Cost of New Part. £ 16-11-1 Difference per Car. £ 0-3-11 Increase Signature from Cost Dept. that above is correct. GRH 31/10/30. 4/11/30 X No. 7930. LOP 7360. Drawing No. G75278. Part List No. NS.{Norman Scott}2980. GL.{G. Linnett}567 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...£... INITIAL DATE REMARKS BJ. SS.{S. Smith} 4-11-30 agreed Sq. R.{Sir Henry Royce} 12.6.30 Agreed FHR. WOR.{Arthur Wormald - General Works Manager} 7.6.30 Agreed Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} 7.6.30 Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} 9.6.30 Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} 7.6.30 Agreed BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} 11.6.30 Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} 12.6.30 Agreed AE. PN.{Mr Northey} 11.6.30 Agreed PN.{Mr Northey} CWB. 7.6.30 Agreed C. HS.{Lord Ernest Hives - Chair} Agreed. | ||