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 for 20 HP narrow hubs to improve design.
| Identifier | ExFiles\Box 172\1\ img151 | |
| Date | 18th May 1929 | |
| RR 785 REVISED (10H) (D.C. 777 - 29 - 2 - 28) MC C.L.TD COMPLETED 13.6.29 STANDARDISATION of CHASSIS PARTS. Date 18.5.29 Description of Parts. 20 HP. NARROW HUBS. Drawing No. X No. 5810 Part List Origin. To improve design. Experimental Test Report. This design follows the recent Phantom modification - the hubs are made narrower so that wheels do not stand out so far. Road Test Report. Tested 10,000 miles on 14-G4. Run 7500 miles on 12-G4. No troubles. 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. Weight of New Part. Difference per Car. Cost of Old Part. £ 29. 8. 10 Cost of New Part. £ 27. 15. 10 Difference per Car. £ 1. 13. 0 decrease. Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen}11.6.29. G.{Mr Griffiths - Chief Accountant / Mr Gnapp} Cost of Parts in Works which will be scrapped if commenced on :- Series.........£....... Series.........£....... Series.........£....... STAMP: 20. H.P. CHASSIS INITIAL | DATE | REMARKS BJ. | 13.6.29 | Agreed. Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 23/5/29 | Agreed F.H.R. - hubs. WOR.{Arthur Wormald - General Works Manager} | | WOR{Arthur Wormald - General Works Manager}/EWT RG.{Mr Rowledge} | 22.5.29 | Agreed. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 23.5.29 | Agreed. DA.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 22.5.29 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 22.5.29 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 23/5/29 | Agreed OE PN.{Mr Northey} | 24.5.29 | Agreed. PN.{Mr Northey} CWEX | | Agreed. C. Hs.{Lord Ernest Hives - Chair} | 18.5.29 | Agreed. Hs.{Lord Ernest Hives - Chair} | ||