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 speedometer drive for the 40/50 chassis.
| Identifier | ExFiles\Box 171\3\ img171 | |
| Date | 21th March 1923 | |
| R R 755 (5 H) (S H 268, 20-9-20) G 2554 COMPLETED 27.4.23. STANDARDISATION of CHASSIS PARTS. Date 21.3.23 X No.1809 Drawing No. Part List Description of Parts. SPEEDOMETER DRIVE FOR 40/50 CHASSIS. Origin. To provide a reliable drive. Experimental Test Report. We have always felt the need for a reliable bracket for pulley and tensioning device. This scheme is got out chiefly to adapt the A.T. speedometer to the 40/50 H.P., but it could be used with other types. Road Test Report. Fitted to 4.EX car - run 2500 miles - no trouble. Another set has been used by the A.T. people who approve of it. 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. £ 3. 3. 0 Difference per Car. Difference per Car. £ 3. 3. 0 increase. Signature of Mr. De LOOZE that above is correct. MV/JW 24.3.23 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 re above: Storekeeper's Signature. SIGNATURES | DATE | REMARKS Mr. JOHNSON | 23.4.23 | O.K. if facts as stated in Sg{Arthur F. Sidgreaves - MD}'s memo attc. CJ Mr. E.{Mr Elliott - Chief Engineer} JOHNSON. | 23.4.23 | Agreed. BJ. Mr. ROYCE | 23.4.23 | Agreed FHR Mr. WORMALD | 13.4.23 | Agreed. Wor.{Arthur Wormald - General Works Manager} Mr. BARRINGTON | 22.3.23 | Agreed. Rg.{Mr Rowledge} Mr. Rowledge. Mr. DAY | 16.4.23 | Agreed. Da.{Bernard Day - Chassis Design} Mr. BAILEY | 21.3.23 | Agreed. BY.{R.W. Bailey - Chief Engineer} Mr. PLATFORD | 22.3.23 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} Mr. NORTHEY | 23.3.23 | Agreed. PN.{Mr Northey} E.W.I. for R.R. Inc. [STAMPED TEXT: 40/50 H.P. CHASSIS] | ||