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 dynamo brushes of grade Morganite EG0 for the 20/25 dynamo.
| Identifier | ExFiles\Box 166\1\ img025 | |
| Date | 24th May 1933 | |
| RR 755 (10M) (37133. 28-10-32) SM. 3/9064/1. COMPLETED 14.6.33. 86093. STANDARDISATION of CHASSIS PARTS. Date 24.5.33. No. 6093. Drawing No. Part List Description of Parts. DYNAMO BRUSHES OF GRADE MORGANITE EGO FOR 20/25 DYNAMO. Origin. TO IMPROVE COMMUTATION AND REDUCE BRUSH WEAR. Experimental Test Report. Test on high speed bench rig shewed considerable improvement over standard EG2 brushes. Road Test Report. Ran 6,000 miles on Bensport chassis 1.B.III. Weight of Old Part. Cost of Old Part. £ - Weight of New Part. Cost of New Part. £ - Difference per Car. Difference per Car. £ negligible Signature from Cost Dept. that above is correct. GRH 9/6/33. G 10/6/33 Cost of Parts in Works which will be scrapped if commenced on:- Series..........£....... Series..........£....... Series..........£....... INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 12-6-33 | Agreed SG.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | | WOR.{Arthur Wormald - General Works Manager} | 26.5.33 | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 25.5.33 | Agreed C. RG.{Mr Rowledge} | 25.5.33 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 30.5.33 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 25.5.33 | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 26.5.33 | Agreed EP{G. Eric Platford - Chief Quality Engineer} & Mx.{John H Maddocks - Chief Proving Officer} E.{Mr Elliott - Chief Engineer} | 27.5.33 | Agreed AE. PN.{Mr Northey} | 25.5.33 | Agreed PN.{Mr Northey} HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} [Stamp]: Received J.S. JUN 1933 [Stamp]: 20 JUL 1933 H.P. | ||