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 the rear silencer swan neck, to avoid the use of steel castings.
| Identifier | ExFiles\Box 171\3\ img073 | |
| Date | 28th October 1920 | |
| R R 755 (5 B) (S.H. 167, 20-9-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2607. COMPLETED 18.11.20 STANDARDISATION of CHASSIS PARTS. Description of Parts. ORIGINAL Rear Silencer - Swan neck fixed by means of bent drawn tube and flanges. (Scheme N.345). Origin. To avoid the use of steel castings. Drawing No. E.18548. Part List. E.18548. Experimental Test Report. This avoids the use of heavy steel castings which are difficult to obtain. There is no alteration in the general scheme over the present standard. Road Test Report. Fitted to 6E.X. Run 6,000 miles No trouble. Box ticked 'X' is D: 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. Signature of Exp. Dept. that above is correct. E.{Mr Elliott - Chief Engineer} Hives. Weight of Old Part. 2 lbs. 10 ozs. Cost of Old Part. £ 1.11.6¾ Weight of New Part. 1 lb. 4 ozs. Cost of New Part. £ 1.17.1¼ Difference per Car. 1 lb. 6 ozs. decrease. Difference per Car. £ 5/7 increase. Signature of Mr. DELOOZE that above is correct. D/Rd. 8.11.20. Cost of Parts in Works which will be scrapped if commenced on:- Series.....£..... Series.....£..... Series.....£..... Storekeeper advised re above: Storekeeper's Signature. SIGNATURES | DATE | REMARKS Mr. JOHNSON | 10.11.20 | Agreed. C. Johnson. Mr. ROYCE | 15/11/20 | Agreed. OK if this is in manufacture & found cheaper as well as lighter. Mr. WORMALD | 8.11.20 | Agreed. Wor.{Arthur Wormald - General Works Manager} Mr. BARRINGTON | 28.10.20 | Agreed. Bn{W.O. Bentley / Mr Barrington} Mr. DAY | 29.10.20 | Agreed. Da.{Bernard Day - Chassis Design} Mr. BAILEY | 28.10.20 | agreed. By Mr. PLATFORD | 8.11.20 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Mr. NORTHEY | 29.10.20 | Agreed. PN.{Mr Northey} | ||