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 wider rear brake shoes.
| Identifier | ExFiles\Box 171\1\ img224 | |
| Date | 5th June 1930 | |
| RR 755 REVISED (10H) (DG 345 19-7-29) BM. 6/543. ORIGINAL COMPLETED 5.11.30. STANDARDISATION OF CHASSIS PARTS. Date 5.6.30. X No. 7360 Drawing No. G 73275 Part List GL.{G. Linnett} 367. Description of Parts. REAR BRAKES. WIDER BRAKE SHOES. FOOT BRAKE 2.250". HAND BRAKE 1.250". Origin. To increase life of foot brake and lessen movement of foot pedal, keeping it off foot board for long duration. Experimental Test Report. Fitted and tested on 23-EX. Road Test Report. Fitted to 23-MX{John H Maddocks - Chief Proving Officer} and ran 10,000 miles, no adjustment needed during this mileage. The condition of brake shoes were excellent. Weight of Old Part. Cost of Old Part. £16. 7. 2d. Weight of New Part. Cost of New Part. £16.11. 1d. Difference per Car. Difference per Car. £- 3.11d. Increase. Signature from Cost Dept. that above is correct. C/Rb.{R. Bowen}30.10.30. G.31.10.30. Wor.{Arthur Wormald - General Works Manager} 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.Sg.{Arthur F. Sidgreaves - MD} 4.11.30 Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} 12/6/30 Agreed JHR 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} | ||