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 steel artillery wheels suitable for front wheel brakes.
| Identifier | ExFiles\Box 171\3\ img252 | |
| Date | 20th March 1925 | |
| RR 755 (10M) (SL391 2-11-23) MP 281297 ORIGINAL COMPLETED 28.4.25. STANDARDISATION OF CHASSIS PARTS. Date 20.3.25 X No. 4586 Drawing No. Part List Description of Parts. STEEL ARTILLERY WHEELS - suitable for front wheel brakes. Origin. To improve design. Experimental Test Report. The wheels have 12 spokes in place of 10 spokes on the present wheels. The hubs have been modified also the locking device for the wheels. N.sch.1825 Road Test Report. Run 120 hrs. on the bumping test without failure. Run 1500 miles on the road. Comparative tests with wire wheels show no difference in steering or braking. Weight of Old Part. Cost of Old Part. £ 38. 3. 6 Weight of New Part. Cost of New Part. £ 46. 18. 10 Difference per Car. Difference per Car. £ 8. 15. 4 increase. Signature of Mr. De LOOZE that above is correct. WJ/Rhs. 26.3.25. SIGNATURES DATE REMARKS MR. JOHNSON 28.4.25 Agreed. C.Johnson. MR. B. JOHNSON 28.4.25 Agreed, as an extra when specially ordered by customer. B.J. MR. ROYCE 26/3/25 Agreed FHR. MR. WORMALD 20.3.25 Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE 21.3.25 Agreed. Rg.{Mr Rowledge} MR. DAY 23.3.25 Agreed. DA.{Bernard Day - Chassis Design} MR. BAILEY 20.3.25 Agreed. BY.{R.W. Bailey - Chief Engineer} Only for use where customers will not have wire wheels. MR. PLATFORD 20.3.25 Agreed. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT 23.4.'25 Agreed E.{Mr Elliott - Chief Engineer} MR. NORTHEY 23.3.25 Agreed. PN.{Mr Northey} MR. HIVES 25.4.25 Agreed. E.Hives. 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......... £......... [STAMPS: ASSIS, 4586] | ||