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 an improved Magneto and Dynamo Drive for the 20/25 HP chassis.
| Identifier | ExFiles\Box 62\3\ scan0262 | |
| Date | 16th January 1931 | |
| RR 755 (10H) (3-7-30) BM. 6/2571. X5100 COMPLETED 26.11.31. STANDARDISATION of CHASSIS PARTS. Date 16.1.31 Description of Parts: Magneto and Dynamo Drive. Origin: Improved dynamo drive to overcome gear rattles. Experimental Test Report: This was tested and standardised on Phantom II. Road Test Report: Fitted to 18.G.IV. and ran 10,000 miles. There has been no gear rattles. The drive has given no trouble. A modification is to be made for timing of magneto. [Box Section] X No. X5100 Drawing No. LEC. 2607 Part List 2615. SCH. 2163. A [X] 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......£...... [Central Stamp] 20/25 H.P. CHASSIS [Cost Section] Weight of Old Part. Cost of Old Part: £ 18-14-7 Weight of New Part. Cost of New Part: £ 19-6-1 Difference per Car. Difference per Car: £ - 11-6 Increase Signature from Cost Dept. that above is correct. GRL 23/11/31 G23/11/31 [Approval Table] INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 24-11-31 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 1.2.31. | Agreed FHR. WOR.{Arthur Wormald - General Works Manager} | 16.1.31. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 21.1.31. | Agreed C. RG.{Mr Rowledge} | 19.1.31. | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 21.1.31. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 19.1.31. | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 16.1.31. | Agreed. Noticed oil leak from this drive 18-G4. Should be cured. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 21.1.31. | Agreed AE. PN.{Mr Northey} | 21.1.31. | Agreed PN.{Mr Northey} Hs.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} | ||