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 form for dynamo brushes to improve commutation and reduce wear.
| Identifier | ExFiles\Box 166\1\ img026 | |
| Date | 24th February 1933 | |
| STANDARDISATION OF CHASSIS PARTS Description of Part: DYNAMO BRUSHES OF GRADE FORWARD OF CON. TYPE DYNAMO. Origin: FOR 20/25 DYNAMO. TO IMPROVE COMMUTATION AND REDUCE BRUSH WEAR. Drawing No. X 8003 Date 24.2.33 Road Test Report: Has 6,000 miles on general chassis. D.111. Experimental Test Report: Test on high speed bench 61x standard. considerable improvement over standard brushes. STAMP: 25 FEB 1933 1. The number of the first chassis on which new part will be fitted......... Production. 2. Date when chassis will be handed to test.. 3. Cost of scrapped material, if any......... Nil. 4. Cost of jigs and tools.................... Nil. INITIAL | DATE | REMARKS GC | 26.2.33 | [signature] W | 26.2.33 | Agreed Wor.{Arthur Wormald - General Works Manager} C | 26.2.33 | Agreed .O DA{Bernard Day - Chassis Design} | 28.2.33 | Agreed DU. AD | 26.2.33 | Agreed RH.{R. Hollingworth} BY | 26.2.33 | Agreed BV. EB | 28.2.33 | Agreed EP{G. Eric Platford - Chief Quality Engineer} & MX.{John H Maddocks - Chief Proving Officer} E | 27.2.33 | Agreed EA. PM | 26.2.33 | Agreed MP. HS{Lord Ernest Hives - Chair} | 26.2.33 | Agreed .llS | ||