Rolls-Royce Archives
| Identifier | Entry | ||
| img001 | Cover note for the attached production test specification for a 20/25 Switchbox. | ||
| View original record | X6069 By. from Hs/Pgt. c. Sft/Mr.Brock. Hs/Pgt.1/AD20.10.31. X.6069 X.6016 20/25 SWITCHBOX. X.6087. Herewith please receive Specification of Production Test for the above. Hs/Pgt. Attached. | ||
| img002 | Specification of test for a 20/25 switchbox. | ||
| View original record | X.6069. SPECIFICATION OF TEST FOR 20/25 SWITCHBOX. X.6087. X.6016. Type :- Two-rate charge. Pull output with side and tail lamps on. Armature circuit broken before field circuit. (1) Inspect the… | ||
| img003 | Set of instructions for testing electrical circuits and connections using switches and terminals. | ||
| View original record | -2- (1) With S and T switched on, light is obtained from terminals Nos. 2 and 5. (2) With HS and T switched on, light is obtained from terminals Nos. 2, 4, and 5. (3) With I only switched on, light is… | ||
| img004 | Parts list and instructions for modifying the switchbox to isolate the ignition on 20/25 HP and Peregrine II models. | ||
| View original record | RHC. HS./Wst. X6069 BY/RD3/W.26-10-32. 20/25 H.P., and "Peregrine II". "20/25 H.P. Switchbox for Three Rate Charge, L.O.P. D.53718. Six Sets. "Peregrine II" Switchbox for Three Rate Charge, L.O.P.… | ||
| img005 | Alteration 737/Dss for the 20/25 and Peregrine II switchbox. | ||
| View original record | RHC. Hs/Wst. WST X6069 BY/RD2/W.15-11-32. Re :- 20/25 and "Peregrine II. Switchbox,Sec.8160. Alteration 737/Dss. We hand you herewith our Alteration 737/Dss,and all the parts mentioned thereon have… | ||
| img006 | Alteration notice for the Peregrine II and 20/25 HP switchbox used with a C.A.V. Regulator. | ||
| View original record | V6069. RHC. Hs/Wst. BY/RD1/W.18-11-32. *Peregrine II* and 20/25 H.P. Switchbox for use with C.A.V. Regulator. We hand you herewith our Alteration 741/Dss., which deletes one set of brushes and puts a… | ||
| img007 | Difficulties and potential solutions for isolating starter motor circuits on Phantom II and 20/25 models. | ||
| View original record | Ry/RD. from Hs/Wst. c. E. c. CX. X6090 Hs/Wst.2/ADB.12.32. RE : ISOLATION OF STARTER MOTOR CIRCUITS P.II and 20/25. With regard to Sale's request for the starter operating relay circuits to be off… | ||
| img008 | Confirming the proposed design for the Peregrine switchbox and instrument patch. | ||
| View original record | X6069 To Sft. from E. c. Her. Hs. By. RECEIVED E.1/HP.16.12.32. re Peregrine Switchbox and Instrument Patch. ---DEC-16-1932--- This confirms that we handed to you yesterday blueprints showing proposed… | ||
| img009 | The design of a new switch-box to prevent battery discharge on various models. | ||
| View original record | E..From Hs/Wst. X6069 Hs/Wst.2/MA.28.12.32. NEW R.R. SWITCH-BOX. X6070 We hope on the new switchbox you are designing, that all circuits including body lights and accessories will be off when the… | ||
| img010 | Outlining five points of concern regarding a vehicle's wiring diagram. | ||
| View original record | X6090 Ry/RD. From Hs/Wst. Hs/Wst.3/MA.28.12.32. D.Sch.625. With reference to your Ry/RD.7/W.23.12.32., we have noted the following points on the above wiring diagram. (a) In the list of switching… | ||
| img011 | Suggestion for the operation of the ignition switch to include a warning lamp indicating the key has not been turned off. | ||
| View original record | -2- Hs/Wst.3/MA.28.12.32. Cont'd. We would suggest that the first position of the switch should be the accessory circuit master switch along with armature and Summer charge the ignition being operated… | ||
| img012 | Features and development of a grouped instrument panel for the Peregrine. | ||
| View original record | x26069 To Sg. from E. E.3/HP.11.1.33. c. Wor. Hs. Ry. Da/EV. re Peregrine Grouped Instruments. x40 Referring to memo EV3/9.1.33., we have had in hand for some time a grouped instrument panel for… | ||
| img013 | Suggestion to use an improved scheme on both the Peregrine and 20/25 car models. | ||
| View original record | -2- and we would suggest that rather then attempt to make the Peregrine and the 20/25 unlike each other that it would be better to use the improved scheme on both cars. E. | ||
| img014 | Request to overhaul a switchbox on vehicle 20-EX due to a faulty dynamo contact. | ||
| View original record | 86069. RHC. From Hs/Wst. Hs/Wst.2/MA.8.12.33. Will you please have the switchbox overhauled on 20-EX. The dynamo refuses to change and the trouble has been traced to a faulty contact in the switchbox.… | ||
| img015 | Design and functionality of a new switchbox, including alterations for dual ignition. | ||
| View original record | W/S. 86069. E.S/HP.16.2.34. To. Sg. from E. WST C. Wst. Hs. Bv. re Switchbox. Referring to our conversation in connection with the new switchbox, I am sending you herewith a blueprint of RR. Sch. 419… | ||
| img016 | Estimated cost saving of 30 shillings for a new switchbox design. | ||
| View original record | 6069 To Sg. from E. E.8/HP.19.2.34. c.c. Mess. Hs. By. re Switchbox. Further to our memo E.8/HP.16.2.34, the Cost Department estimate the saving of 30/- for the new design over what we are using at… | ||
| img017 | Confirming a cost saving of 30 shillings per chassis resulting from a new switchbox design. | ||
| View original record | HB #6069. To E. From Sg. re Switchbox. Sg12/E20.2.34 Copy to Wor.Hs.PX. Thanks for E.S/HP.19.2.34. I am very glad indeed to see that the Cost Department estimate that the new type switchbox will… | ||
| img018 | Querying contradictions in the operation of a switchbox, specifically regarding the starter circuit, parking lights, and instrument board lights. | ||
| View original record | S/W. E. c. to Sg. Wor. c. Hs. BY. HS. WST 86069 re- Switchbox. Cx2/KW22.2.34. Reference E8/HP16.2.34, paragraphs 4 and 5 seem to us a little contradictory. In paragraph 4 you say that the main switch… | ||
| img019 | Follow-up request for a reply to queries regarding a switchbox. | ||
| View original record | S/W. E. c. to Sz. Wor. c. " Hs. BY. re- Switchbox. CxIO/KW5.3.34 With reference to E8/HP19.2.34, can you now please let me have a reply to the queries raised in my Cx8/KW22.2.34. Cx. Handwritten: HS,… | ||
| img020 | Technical memorandum replying to queries about the functionality of a vehicle's switchbox. | ||
| View original record | WST s l o d o q W/S. To Gx. from E/Lid. E/Lid.1/HP.7.3.34. c. Sg. Wr. Hs. By. Switchbox. --------- Replying to your Cx.2/KW.22.2.34 and Cx.10/KW. 5.3.34, the answer to the query relative to the… | ||
| img021 | Concluding that a scheme to reduce illumination by halving the current is not justified by the result. | ||
| View original record | - 2 - E/Lid.1/HP.7.3.34. ------------------- illumination by half is negligible. Hs/Wst confirms this and states that if the current is reduced by one half the illumination disappears to a thin red… | ||
| img022 | Design of the instrument panel switchbox and a new walnut panel layout. | ||
| View original record | S/W. E. c. to Sg.Wor. c. " Ms. BY. HS (handwritten, crossed out) 86069 (handwritten) SWITCHBOX. CxS/KW14.3.34. Thank you for E/Lid.1/HP7.3.34. which answered our queries raised in CXS/KW22.2.34. Re… | ||
| img023 | Progress and model availability of the Spectre Switchbox. | ||
| View original record | 76090 To RHC from E. c. Hs/Wst. By/RD. E.3/HP.18.7.34. Spectre Switchbox - RR. Sch.419 and 626. We are very interested in the progress of the above switchbox, as we most particularly want to have a… | ||
| img024 | Examination and test report on the first Spectre Switchbox, providing suggestions for improvement. | ||
| View original record | Y6090. E. From Hs/Wst. c. to By. Hs/Wst.3/MA.31.7.34. EXAMINATION AND TEST OF THE FIRST SPECTRE SWITCHBOX. We have now preliminarily tested the first model of the new R.R. Switchbox pre-eminently… | ||
| img025 | Technical report on observed weaknesses and proposed modifications to electrical contacts, including a dynamo circuit sparking test. | ||
| View original record | -2- Hs/Wst.3/MA.31.7.34. Cont'd. It is noticed also that the copper link has a steel spring between it and the terminal post. It should be therefore arranged for this copper link if possible to make… | ||
| img026 | Recommendations for improvements to starter switch contacts and ignition switch levers. | ||
| View original record | -3- Cont'd. (5) The starter switch contact should be more flexible. We understand this is already being dealt with. The drop in volts across the existing starter switch contacts with a current of 20… | ||
| img027 | Standardisation of parts report for a Switchbox to D.54325. | ||
| View original record | RR 785A (SH) (57394. 30-1-34) BM 3/787/1. COMPLETED 20.8.34 20/25 STANDARDISATION OF PARTS. Description of Parts. SWITCHBOX TO D.54325. Origin. TO SUIT VOLTAGE CONTROLLED DYNAMO. Report of… | ||
| img028 | The deterioration of rubber sleeves on switchbox terminals with a suggestion for a replacement material. | ||
| View original record | x6090. By. From Hs/Wst. Hs/Wst.1/MA.7.9.34. SWITCHBOXES. When examining the switchbox removedfrom 4.B.IV. after a considerable amount of running we found that the rubber sleeves over the terminals had… | ||
| img029 | Requesting the construction of a switchbox for the 'Spectre' chassis, listing required parts. | ||
| View original record | RHC C. Hs/Wst. r6090. BY/RD4/W.17.9.34. "Spectre" Switchbox, Section 8160. R.R.Schs. 626, 713, 724. Will you please put in hand one Switchbox for bench test and any further ones which you may require… | ||
| img030 | Continuation page of a parts list detailing drawing numbers, part names, and a note for the Pattern Shop. | ||
| View original record | BY/RD4/W.17.9.34. (Contd:- - 2 - D.74646. Lock Bolt. D.74647. Brush Stamping, Ammeter. D.74648. Brush Assembly, Ammeter. D.74649. Assembly of Main Spindle. D.74650. Assembly of Ignition Spindle.… | ||
| img031 | Parts list for the 'Spectre' 31.EX Switchbox, section 8160, detailing components and their drawing numbers. | ||
| View original record | RHC C.B. c. Hs/Wst. 16090 BY/RD2/W.13.12.34 "Spectre" 31.EX. Switchbox, Section 8160. R.R.Scheme 781. Please receive herewith blue prints of the following parts detailed from the above scheme. Will… | ||
| img032 | Continuation list of drawing numbers and their corresponding part names. | ||
| View original record | BY/RD2/W.13.12.34. (Contd :- - 2 - D.74936. Connector,Ignition B. D.74937. Connectorhead and P.L. D.74938. Angle Plate,Petrol Pump and Gauge. D.74939. Angle Plate,Terminals. D.74940. Angle… | ||
| img033 | Listing part numbers for the 'Spectre' 31.EX switchbox, section 8160. | ||
| View original record | ~~R.H.C~~ ~~C.E.~~ C. Hs/Wst. 6090. BY/RD/W.13.12.34. "Spectre" 31.EX. Switchbox, Section 8160. R.R. Scheme 781. Further to our memo BY/RD/W. of even date, we hand you herewith blue prints of further… | ||
| img034 | List of parts for Switchbox Section 8160, 'Spectre' 31.EX, R.R.Scheme 781. | ||
| View original record | RHC. C.E. c. Hs/Wst. H6090. BY/RD1/W.18.12.34. "Spectre" 31.EX. Switchbox, Section 8160. R.R.Scheme 781. We hand you herewith further blue prints detailed from the above scheme :- F.80644. Plunger… | ||
| img035 | Listing additional parts required for the 'Spectre' 21.EX Switchbox. | ||
| View original record | R.H.C. c. Hs/Wst. 16090 BY/RD1/W.27.12.34. "Spectre" 21.EX. Switchbox, Section 8160. R.R. Scheme 731. Further to our previous memos, the following parts will also be required :- D.74260. Brush… | ||
| img036 | Confirmation of required parts for the 'Spectre' 31.EX Switchbox, specifically a Brush Stamping, and a note regarding blueprints. | ||
| View original record | r6090 RHG c. Hs/Wst. BY/RD8/W.2.1.35. "Spectre" 31.EX. Switchbox,Section 8160. R.R.Sch.781. With further reference to the above, we confirm that the following will also be required :- D.74923. Brush… | ||
| img037 | Request to put in hand a Switchbox Flex Flange for a 'Spectre' III to match new dashboard castings. | ||
| View original record | R.H.C. C.E. c. Hs/Wst. x6090 BY/RD2/W.27.3.35. "Spectre" III. 32.EX. Switchbox, Section 8160. Will you please put in hand :- D.75120 - Flange, Switchbox Flex. 1 off. This is required to match the… | ||
| img038 | Experimental department report on bench tests of a Spectre switchbox. | ||
| View original record | 46090. EXPERIMENTAL DEPARTMENT REPORT. REFERENCE :- Ha/Wst.1/MA.2.5.35. Subject of Report:- Bench tests of Spectre switchbox to R.R.Sch.781. General Conclusions :- Switch contacts are satisfactory… | ||
| img039 | Bench test report on a modified Spectre switchbox to assess current carrying capacity and volt drop. | ||
| View original record | Hs/Wst.1/MA.2.5.35. TESTS OF MODIFIED SPECTRE SWITCHBOX TO R.R.SCH.781. Bench tests have been carried out on the Spectre switchbox to R.R.Sch.781 to test the current carrying capacity of the main… | ||
| img040 | The production specification for inspection and test of the Phantom III switchbox. | ||
| View original record | 16090 By. From Hs/Wst. c. to Sft/Mr.Brock. Hs/Wst.4/MA.29.11.35. PHANTOM III SWITCHBOX PRODUCTION INSPECTION AND TEST. We send you herewith production specification for inspection and test of the… | ||
| img041 | Specification for the inspection, adjustment, and testing of the switchbox for the Phantom III model. | ||
| View original record | 26.11.35. SPECIFICATION OF INSPECTION, ADJUSTMENT, AND TEST, OF SWITCHBOX FOR PHANTOM III. Type:- Master switch type, with provision for two separate ignition coils. Inspection. Examination should be… | ||
| img042 | Procedure for testing the correctness of switching operations. | ||
| View original record | -2- Switching. Test the correctness of the switching operations as follows :- Connecting the positive terminal of a 12 volt battery to the "plus" terminal of the switch, and one lead of a 12 volt… | ||
| img043 | Instruction to trial rubber tubing as a substitute for flexible metal tubing for the switchbox wiring conduit on Chassis 36 Ex. | ||
| View original record | 6090 HPS from Rm/Wst. Rm/Wst2/M.16.2.37. Switchbox Wiring Conduit on Chassis 36 Ex. We have received samples of rubber tubing which are to be tried as substitutes for the flexible metal tubing, used… | ||
| img044 | The replacement of metallic flexible tubing with a rubber tube for the switchbox on Phantom III & 25/30 HP models. | ||
| View original record | To HPS. Rm/Wst. Er. 6090. BY/RD.3/B.18.2.37. SWITCHBOX : Phantom III & 25/30 HP. Herewith blueprint of RR.Sch.1054, showing a Rubber Tube in place of the metallic flexible tubing between dashboard and… | ||
| img045 | Requesting the fitting of a new switchbox to Chassis 35-EX. | ||
| View original record | 6090. To HPS. c. to Wst/JJ. Wst/RC.11/JH.2.7.37. re Switchbox on Chassis 35-EX. Will you please arrange for a new switchbox to be fitted to the above chassis. The present unit is required for… | ||
| img046 | Request for parts to be made for a modification to a PH.III switchbox push button. | ||
| View original record | To HPS. from Rm/Wst. 6090. Rm/Wst.8/AP.2.7.37 MODIFICATION TO PH.III. SWITCHBOX PUSH BUTTON. Will you please have one set of parts made for us as follows:- (a) One contact barrel D.74946 to be made in… | ||
| img047 | Notification about new blueprints for Wraith III switchbox parts suitable for the Lucas L.R.7.T. Regulator. | ||
| View original record | To: H.I.S. c, E. c, RH/WST. c, HD. c, HS/CAN. c, G/RD. 6090 BY/RD. 15.7.37. WRAITH. III. SWITCHBOX. Sec. 8160. Under cover of alteration 1522/Dss. we send you herewith blueprints of the following new… | ||
| img048 | Request for carbon contacts for 'Phantom III' switchbox experiments to prevent breakages. | ||
| View original record | 6090 To HPS c. Rm/RC. BY/RD.3/B.14.8.37. "Phantom III" Switchbox. [Handwritten note:] 5 returned Scrap. Will you please order for us ½ doz. carbon contacts to D.76082, one blueprint attached herewith.… | ||
| img049 | Modification to a Phantom III starter switch, including a list of new parts required for testing. | ||
| View original record | existing switch made satisfactory c. Rm/RC. 6090 BY/RD.3/B.24.8.37. "PHANTOM III" SWITCHBOX. D.CD.1. - Modification to Starter Switch. Please put in hand one set of parts to the following new details… | ||
| img050 | Modification to the Starter Switch for Phantom III and 25/30 HP models to improve the connection of the carbon contacts. | ||
| View original record | Existing switch made suitable 60901 To HPS. c. Rm/RC. BY/RD.1/B.26.8.37. "Phantom III" and 25/30 HP. : Switchbox - Sec.8160. Please receive herewith, blueprint of D.CD.1. - Modification to Starter… | ||
| img051 | Request for a new experimental switchbox for a Bentley chassis, detailing the parts and intended chassis. | ||
| View original record | To HPSc c. Rm/RC. RC 6090. BY/RD.3/B.8.9.37. BENTLEY SWITCHBOX. In order that we may introduce a new design of instrument board on the Bentley Chassis, will you please put in hand a Switchbox to LOP.… | ||
| img052 | Requesting a slight modification to the switchbox on car 36.EX. | ||
| View original record | To HPS. c.c. RC/CAP. 6090 Rm/RC.11/JH.11.9.37. re Switchbox on 36.EX. Will you please arrange for a slight modification to be made to the switchbox on the above car. This only incurs the replacement… | ||
| img053 | Switchbox modification for the Wraith and other models, adding a short-circuiting device for the ballast resistance. | ||
| View original record | Ex/ c. Rm. --------- 6090 DA:3/G.4.5.38. WRAITH AND OTHERS. SWITCHBOX. Herewith please find blueprints of D.CD.649. To provide a short circuiting device for the ballast resistance, to ensure full… | ||
| img054 | The replacement of switchbox components with new parts and associated blueprints. | ||
| View original record | c. ap. ✓ 6090 c. Rm/RC. o. RHO/sld. BY/RD.14/B.19.4.39. ALL CHASSIS. SWITCHBOX. SECTION 8160. D.CD.834. (Sht.2). Grouping of Separate Switches. Further to our memo' BY/RD.2/B.25.10.38., please receive… | ||
| img055 | List of modifications required to improve the action of the lighting and ignition switches for specific Bentley chassis. | ||
| View original record | 6090 c.a.d. To HPS. c. Rm/RC. c. RHC/Wld. c. RHO/SS. c. Roy/Lee. for HPS. BY/RD.2/B.20.4.39. ALL CHASSIS : IN PARTICULAR BENTLEY V. AND BENTLEY 50. LOP. DB.2000. SWITCHBOX. SECTION 8160. D.CD.834.… | ||
| img056 | Instructions detailing a change of lever type, cancellation of a previous memo, and distribution of switches for testing. | ||
| View original record | -2- BY/RD.2/B.20.4.39. (Contd. 5) The lever is of the Chromium Plated type and is being added to our LOP. under Alteration 1784/D.ss. The moulded Bakelite Lever - DW.984 instructed in our memo'… | ||
| img057 | Confirmation memo regarding the handover of blueprints for a Bentley V Lighting Switch Lever. | ||
| View original record | cap. v 6090 To. BRS. c. RM/RC. c. RHO/Wld. c. RHC/Sby c. Rep/Loup BY/RD.4/B.25.4.39. BENTLEY V. SWITCHBOX. SECTION 8160. We confirm having handed to you, blueprints of :- DB.2370 - Lever - Lighting… | ||