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 document for steel artillery wheels suitable for front wheel brakes.
| Identifier | ExFiles\Box 53\3\ Scan195 | |
| Date | 20th March 1925 | |
| RR 755 (1CH) (SL391 2-11-23) MP 281297 44586 COMPLETED 28.4.25. STANDARDISATION of CHASSIS PARTS. Date 20.3.25 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./815 Road Test Report. Run 120 hrs. on the bumping test without failure. Run 1500 miles on the road. Comparative tests with wire wheels shew no difference in steering or braking. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ 38. 3. 6d. Cost of New Part. £ 46. 18. 10d. Difference per Car. £ 8. 15. 4d. increase. Signature of Mr. De LOOZE that above is correct. My/Rns. 26.3.25. SIGNATURES | DATE | REMARKS MR. JOHNSON | 28.4.25 | Agreed BJohnson MR. B. JOHNSON | 28.4.25 | Agreed - as an extra when specially ordered by customer 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. X No. 4586 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 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.......... £ .......... | ||