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 wheels with 19' rims to reduce car height.
| Identifier | ExFiles\Box 106\4\ scan0114 | |
| Date | 24th April 1929 | |
| RR 755 REVISED (10H) (D.C. 777-29-2-28) M C. LTD STANDARDISATION OF CHASSIS PARTS. Handwritten: X5 8 10 Completed 15/5/29 Date 24. 4. 29 X No. 5810 (5728 crossed out) Drawing No. Part List Description of Parts. WHEELS WITH 19" RIMS. Origin. g/pk. To reduce height of car. Experimental Test Report. The rims are built on to standard hubs. Road Test Report. Run 8000 miles on 12-G4. Run 2500 miles on 17-G3 When tyres are taken into account reduces axle ratio 4% approx. POLICY OPTIONS: 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. X D Use existing stock Alteration effective on future Chassis. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ 15-14-7 Cost of New Part. £ 15-14-7 Difference per Car. £ None Signature from Cost Dept. that above is correct. G.L. 13/5/29. Agreed, EWT. 14/5/29 Cost of Parts in Works which will be scrapped if commenced on:- Series.........£....... Series.........£....... Series.........£....... APPROVALS: INITIAL | DATE | REMARKS EX. Sg.{Arthur F. Sidgreaves - MD} | 15-5-29 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 8. 5. 29 | Agreed. FHR. WOR.{Arthur Wormald - General Works Manager} | | RG.{Mr Rowledge} | 29. 4. 29 | Agreed. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 27. 4. 29 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 24. 4. 29 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 25. 4. 29 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 26. 4. 29 | Agreed. E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | | C.W.B. | 29. 4. 29 | Agreed. C. HS.{Lord Ernest Hives - Chair} | 24. 4. 29 | Agreed. Hs.{Lord Ernest Hives - Chair} [STAMP - Faint Green] IDP CHAS [STAMP - Blue Circular] Received 15 MAY 1929 | ||