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 parts for a starter motor, specifying the use of stamped slotted armature plates.
| Identifier | ExFiles\Box 62\1\ scan0212 | |
| Date | 2nd November 1933 | |
| RR 755B (SH) (B2674, 16-10-33) BM. 3/262/6. X6134 COMPLETED 24.11.33. BENTLEY STANDARDISATION of PARTS. Date 2.11.33. Description of Parts. STARTER MOTOR TO RR. SCH. 399. STAMPED SLOTTED ARMATURE PLATES TO BE USED. X No. 6134. Drawing No. Part List Origin. To increase the power and stalling torque. Report of Experimental Test. Two motors have been bench tested with satisfactory results - see our report Hs{Lord Ernest Hives - Chair}/Wst. 8/MA. 5. 7.33. The effect of using stamped slotted armature plates has been tested satisfactorily elsewhere. One of these motors has completed a road test on Bentley chassis 1.B.IV. in France with satisfactory results. Weight of Old Part. Cost of Old Part. £ 3. 9. 6 Weight of New Part. Cost of New Part. £ 3. 1. 0 Difference per Car. Difference per Car. £ - . 8 . 6 DECREASE. Signature from Cost Dept. that above is correct. G R L Cost of Parts in Works which will be scrapped if commenced on:- Series........£...... Series........£...... Series........£...... INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 23-1-38. | Agreed Sg.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} | 13.11.33 | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 14.11.33 | Agreed C. RG.{Mr Rowledge} | 15.11.33 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 18.11.33 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 14.11.33 | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 13.11.33 | Agreed EP{G. Eric Platford - Chief Quality Engineer} - if 10,000 miles completed O.K. E.{Mr Elliott - Chief Engineer} | 22.11.33 | Agreed AE. PN.{Mr Northey} | 16.11.33 | Agreed PN.{Mr Northey} BN.{W.O. Bentley / Mr Barrington} | 18.11.33 | Agreed BN.{W.O. Bentley / Mr Barrington} SFT.{Mr Swift} | 14.11.33 | Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer} | 13.11.33 | Agreed Mx.{John H Maddocks - Chief Proving Officer} HS.{Lord Ernest Hives - Chair} | 2.11.33 | Agreed Hs.{Lord Ernest Hives - Chair} | ||