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 a switchbox, distribution box, and field resistance unit for dynamo output control.
| Identifier | ExFiles\Box 172\3\ img124 | |
| Date | 18th June 1930 | |
| RR 755 REVISED (10H) (OF 657 4-1-29) BM. 2/5943 ORIGINAL COMPLETED 3.9.30. STANDARDISATION of CHASSIS PARTS. Date 18.6.30. X No. 6016. Description of Parts. Switchbox, distribution box and field resistance unit arranged for half dynamo output with head lamps off and full output with head lamps on. Origin. Necessity of providing for larger output with head lamps on without high rate charging at other times. Experimental Test Report. On bench test of individual parts, no indication of any possible fault was observed. Road Test Report. Run 10,000 miles on 28-EX, gave no trouble. Drawing No. Part List A Scrap and replace at all costs, including all Chassis already delivered to customer. 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.......f....... Series.......f....... Series.......f....... Weight of Old Part. Cost of Old Part. £3. 8. 9d. Weight of New Part. 3 OZS. (Resistance unit) Cost of New Part. £3. 7. 6d. Agreed Wor.{Arthur Wormald - General Works Manager} Difference per Car. £ 1. 3d. decrease. Signature from Cost Dept. that above is correct. G/RD 25.8.30, O.26.8.30. INITIAL | DATE | REMARKS BJ. Sg.{Arthur F. Sidgreaves - MD} | 30.8.30 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 21/6/30 | Agreed. JHR WOR.{Arthur Wormald - General Works Manager} | 20.6.30 | Agreed Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 20.6.30 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 20.6.30 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 20.6.30 | Agreed BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 20.6.30 | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 20.6.30 | Agreed AE. Also required on 25 HP. PN.{Mr Northey} | 20.6.30 | Agreed PN.{Mr Northey} CWB. | | Agreed C. HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} [STAMP] PHANTOM | ||