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 helical gears for the old type 40/50 chassis to replace noisy paper gears.
| Identifier | ExFiles\Box 45\3\ Scan089 | |
| Date | 13th July 1921 | |
| R R 766 (S H) (S H 268, 20-9-20) G 8554 X4055. COMPLETED 3.9.21. STANDARDISATION of CHASSIS PARTS. Date 13.7.21 X No. 4055 Drawing No. Part List Description of Parts. Helical gears to old type 40/50 chassis. Origin. To overcome the trouble of noise with the paper gears. Experimental Test Report. Old cars fitted with paper gears are continually developing noisy. It is a very long and difficult job to quieten them. Road Test Report. Ran 8500 miles on 1731 chassis, examined and found in excellent condition. 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......... £......... Storekeeper advised above: Storekeeper's Signature. Signature of Exp. Dept. that above is correct. E.Hives. Weight of Old Part. Cost of Old Part. £ Weight of New Part. Cost of New Part. £ Difference per Car. Difference per Car. £ cost attc. Signature of Mr. De LOOZE that above is correct. SIGNATURES DATE REMARKS Mr. JOHNSON 26.8.21 Yes, if customer pays. C.Johnson. Mr. E.Johnson 26.8.21 Agreed. E.Johnson. Mr. ROYCE 31.8.21 Agreed. FHR. Mr. WORMALD 24.8.21 Agreed. Wor.{Arthur Wormald - General Works Manager} Mr BARRINGTONS Mr. Rowledge. 13.7.21 Agreed. Bg. Mr. DAY Awaiting sheet from Ds. Mr. BAILEY 13.7.21 Agreed. BY.{R.W. Bailey - Chief Engineer} Mr. PLATFORD 13.7.21 Agreed on behalf of EP.{G. Eric Platford - Chief Quality Engineer} away in U.S.A. J.A.Maddocks. Mr. NORTHEY Ent. for R.R.Inc. 14.7.21 Agreed. FN. | ||