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 895mm x 150mm tyres.
| Identifier | ExFiles\Box 171\3\ img008 | |
| Date | 6th March 1919 | |
| R.R. 766 (5 M) (S.A. 325. 25-2-15) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 0981. COMPLETED 4.4.19. STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL 895mm x 150mm Tyres. Drawing No. X 3044. Part List. Origin. MR. Royce's Suggestion. Experimental Test Report. Ry10/P24219. Road Test Report. ---- Mr. Royce suggests that what was know in pre-war days as the 895 Oversize tyre, that is a tyre 895mm x 150mm which actually fits on the same rim as the old standard 895mm x 135mm, should be made standard for production on the 40/50 chassis. Signature of Exp. Dept. that above is correct. Weight of Old Part. Dunlop wire wheel fitted with Dunlop groove tyre 895mm x 135mm - 68lbs. Cost of Old Part. £ wheel 4/4/7 Ty/Cov 15/7/6 Ty/Tube 1/7/11 Weight of New Part. Rudge-Whitworth detachable wheel with Dunlop Magnum tyre 895mm x 150mm - 72lbs. Cost of New Part. £ wheel 3/16/8 Ty/Cov 16/11/8 Ty/Tube 1/14/0 Difference per Car. £ 3/16/8 Signature of Mr. DELOOZE that above is correct. Cost of Parts in Works and Stores which will be scrapped if commenced on:- Series............£......... Series............£......... Storekeeper advised re above. Storekeeper's Signature. SIGNATURES | DATE | REMARKS Mr. JOHNSON. | 3.4.19. | Agreed C.Johnson. Mr. ROYCE. | 2.4.19. | Agreed FHR. Mr. WORMALD. | (Absent) Mr. NADIN. | (Absent in U.S.A.) Mr. PLATFORD. | 17.3.19. | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Mr. NORTHEY. Mr. Bailey. | 6.3.19. | Agreed. BY.{R.W. Bailey - Chief Engineer} | ||