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 steering pivot pins and bushes, to reduce wear.
| Identifier | ExFiles\Box 171\3\ img258 | |
| Date | 10th September 1925 | |
| RR 755 (10H) (SL391 2-11-23) MP 281297 ORIGINAL COMPLETED 7th. Oct. 1925. STANDARDISATION of CHASSIS PARTS. Date 10.9.25. Description of Parts. STEERING PIVOT PINS AND BUSHES. No. 8430 Origin. To reduce wear. Experimental Test Report. We have frequently had complaints of excessive wear on pivot pins and bushes. The modified scheme allows considerable increase in size of bearings and a better method of lubrication. Road Test Report. Run 29,000 miles in France on 93-NK. Condition very good. Run 8,000 miles on 44-PK. Considered an improvement over present standard. Drawing No. Part List A Scrap and replace at all costs, including Chassis already delivered to customers. B Scrap and replace on Chassis in works. C [X] 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. £19. 17. 3 Weight of New Part. Cost of New Part. £20. 10. 0 Difference per Car. £ 12 9d. increase. Cost of Parts in Works which will be scrapped if commenced on:- Series… £… Series… £… Series… £… Signature of Mr. De LOOZE that above is correct. MV/Rns. 19.9.25. SIGNATURES, DATE, REMARKS MR. JOHNSON, 6.10.25, Agreed. C.Johnson. MR. B. JOHNSON, 6.10.25, Agreed. B.J. MR. ROYCE, Sept 21/25, Agreed FHR Urgent MR. WORMALD, 5.10.25, Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE, 11.9.25, Agreed. Rg.{Mr Rowledge} MR. DAY, 12.9.25, Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY, 11.9.25, Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD, 11.9.25, Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT, Sep 21/25, Agreed AEB. MR. NORTHEY, 11.9.25, Agreed. PN.{Mr Northey} MR. HIVES, 5.10.25, Agreed. E.Hives. | ||