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 report for a dynamo cut-out with double contacts to reduce volt-drop and overheating.
| Identifier | ExFiles\Box 168a\3\ img335 | |
| Date | 15th January 1937 | |
| RR 75(B) (sml) 50m. 11-35 W.W.&S.Ltd. COMPLETED 1.2.37. BENTLEY STANDARDISATION of PARTS. Date: 15/1/37 1.12.36 No. 6142 Drawing No. Description of Parts: DYNAMO CUT-OUT WITH DOUBLE CONTACTS TO R.R.SCH.845 & SPRINGS TO D.54809. Origin: To reduce volt-drop and overheating of cut-out. Report of Experimental Test. With ventilated dynamos heavy currents can be taken without distress but it is necessary to fit double contacts on the cut-out to deal with the extra load. Three cut-outs modified have run :- 14,000 miles on Ph.III chassis 32-EX. 13,000 miles on Ph.III chassis 36-EX. MATERIAL £ s. d.{John DeLooze - Company Secretary} LABOUR £ s. d.{John DeLooze - Company Secretary} CHARGES £ s. d.{John DeLooze - Company Secretary} TOTAL £ s. d.{John DeLooze - Company Secretary} Cost of Old Part: 1 1, . 7, 1 0, 2 8 Cost of New Part: 2 7, . 8, 1 2, 4 5 Nett Increase: 1 9 Signature from Cost Dept. that above is correct. GRH 11.1.37. INITIAL, DATE, REMARKS SG.{Arthur F. Sidgreaves - MD}, 29-1-37., Agreed sg.{Arthur F. Sidgreaves - MD} Hs.{Lord Ernest Hives - Chair}, , Agreed Hs.{Lord Ernest Hives - Chair} C., 18.1.37., Agreed C. E.{Mr Elliott - Chief Engineer}, 19.1.37., Agreed E.{Mr Elliott - Chief Engineer} DA.{Bernard Day - Chassis Design}, 16.1.37., Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer}, 18.1.37., Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer}, 16.1.37., Agreed EP.{G. Eric Platford - Chief Quality Engineer} SFT.{Mr Swift}, 16.1.37., Agreed Sft.{Mr Swift} MX.{John H Maddocks - Chief Proving Officer}, 16.1.37., Agreed Mx.{John H Maddocks - Chief Proving Officer} Rm.{William Robotham - Chief Engineer}, 15.1.37., Agreed Rm.{William Robotham - Chief Engineer} RHC.{R. H. Coverley - Production Engineer}, 25.1.37., Agreed RHC.{R. H. Coverley - Production Engineer} [Stamp: 29 JAN 1937] | ||