Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Cover for electrical production tests, series EAC.II. | ||
| View original record | 8721 EAC.II RR 68 (250T) (DB 925 8-5-25) J.H.D. ELEC. PRODUCTION TESTS. | ||
| scan0002 | Reference note pointing to previous correspondence regarding 40/50 Production Tests. | ||
| View original record | X. 8781 For previous correspondence see X.1627 - 40/50 Production Tests. EFC. | ||
| scan0003 | Production test specifications for EAC 'V' series chassis units. | ||
| View original record | X8781 To BY. from EFC. c. SPT/Mr. Brock. EFC2/T23.1.25. X.8781. PRODUCTION TESTS OF R.R. EAC. UNITS. Herewith please receive copies of the following specifications of production tests for the EAC. 'V'… | ||
| scan0004 | Dispatching two copies of production inspection and test specifications for various EAC electrical equipment components. | ||
| View original record | To SFT. from EFC. X8781 EFC2/T24.1.25. X.8781. PRODUCTION TESTS OF EAC. ELECTRICAL EQUIPMENT. Herewith please receive two copies of each of the following Specifications of Production Inspection & Test… | ||
| scan0005 | The completion of electrical production test specifications for the 'V' series chassis. | ||
| View original record | To EY. from EFC. c. SFT. c. SFT/Mr. Brock. X 8781 EFCL/T13.2.25. X.8781. EAC. V SERIES CHASSIS - ELECTRICAL PRODUCTION TESTS. Herewith please receive copy of Specification of Production Inspection,… | ||
| scan0006 | Distributing specifications for Electrical Production Tests for the EAC 'V' Series units. | ||
| View original record | To EY. from EFC. c. SFT. c. SFT/Mr. Brock. X8781 EFC2/T13.2.25. X.8781. ELECTRICAL PRODUCTION TESTS EAC. 'V' SERIES. Herewith please receive copy of the following Specifications of Production… | ||
| scan0007 | Covering note for the specification of a chassis ammeter. | ||
| View original record | X8781 BY. from EFC. c. Sft/Mr.Brock. c. Test Dept. EFC2/T13.8.28. X8781 CHASSIS AMMETER. X 4622 Herewith we send you copy of Specification of Production Inspection and Test of Chassis Ammeter for use… | ||
| scan0008 | Specification for the production inspection and testing of a chassis ammeter. | ||
| View original record | 14.8.28. CHASSIS AMMETER. SPECIFICATION OF PRODUCTION INSPECTION & TEST. (1) The instrument should be tested by means of a twelve volt battery and sensitive voltmeter to ensure that the electric… | ||
| scan0009 | The specification for inspection and testing of a Chassis Ammeter. | ||
| View original record | BY. from EFC. c. Sft Mr. Brock. c. Test Dept. x 8781 b EFC2/T13.8.28. CHASSIS AMMETER. Herewith we send you copy of Specification of Production Inspection and Test of Chassis Ammeter for use if you… | ||
| scan0010 | Proposed production test for chassis ammeters, arguing that the routine procedure is sufficient. | ||
| View original record | EFC. c. Mr. Brock. c. [Redacted] X8787a BY15/G.22.8.28. CHASSIS AMMETER. Referring to EFC./T.13.8.28. with the proposed production test for ammeters attached, I am of the opinion that the routine… | ||
| scan0011 | Specification for the production inspection and testing of a chassis ammeter. | ||
| View original record | X.8781. 3.1.30. CHASSIS AMMETER. SPECIFICATION OF PRODUCTION INSPECTION & TEST. (1) The instrument should be tested by means of a twelve volt battery and sensitive voltmeter to ensure that the… | ||
| scan0012 | Production test and inspection procedure for an EAC ballast resistance for an ignition coil. | ||
| View original record | X8781b 16.1.25. X.8781b. PRODUCTION TEST & INSPECTION OF EAC. BALLAST RESISTANCE FOR IGNITION COIL. X.8720. A rig should be used with connecting pins, on which three ballast resistances can easily be… | ||
| scan0013 | Production test and inspection procedure for a ballast resistance for an ignition coil. | ||
| View original record | X8781b 14.10.26. X.8781b. PRODUCTION TEST & INSPECTION OF X.8720. X.5781b. BALLAST RESISTANCE FOR IGNITION COIL. X5720. A rig should be used with connecting pins, on which three ballast resistances… | ||
| scan0014 | Cover note for a production test and inspection of a double value ballast resistance for an ignition coil. | ||
| View original record | X8781l To BY. from EFC. c. Sft/Mr. Brock. c. Test Dept. EFC1/T26.11.27. DOUBLE VALUE BALLAST RESISTANCE. Herewith please find copy of Production Test & Inspection of Ballast Resistance (double value)… | ||
| scan0015 | Production test and inspection procedure for a double value ballast resistance for an ignition coil. | ||
| View original record | 25.11.27. X.8781b. X.5781b. PRODUCTION TEST & INSPECTION OF BALLAST RESISTANCE (DOUBLE VALUE FOR IGNITION COIL). X.8720. X.5720. A rig should be used with connecting pins, on which three ballast… | ||
| scan0016 | Instructions on how to check for cracks and loose brass ferrules on a component. | ||
| View original record | -2- Contd. be gently tapped to enable any possible cracks to assert themselves. Further, see that the brass ferrules are not loose and liable to get twisted round. EFC. | ||
| scan0017 | Production test procedure for an 18,000 turn taller type ignition coil in a Reimanol case. | ||
| View original record | X8781cl 15.10.26. X.8781cl. X.8710. X.5781cl. PRODUCTION TEST OF IGNITION COILS. X.5710. 18,000 TURN TALLER TYPE COIL IN REIMANOL CASE. (1) Continuity of primary and secondary circuits shall be tested… | ||
| scan0018 | Test procedures for an electrical component involving current, voltage, and spark gap measurements. | ||
| View original record | -2- Contd. in circuit with the 12 volt battery, ammeter, and contact breaker, just permits the passage of 1.00 ampere when the contacts are closed. The make ratio of the distributor can then be set by… | ||
| scan0019 | The specification for production inspection and testing of new finer primary ignition coils in a redmanol case. | ||
| View original record | To SFT/Mr. Brock. c. EY. BY/RD. x8781cl EFCL/T16.12.26. FINER PRIMARY IGNITION COILS. 20 HP. & 40/50. Herewith please receive Specification of Production Inspection and Test of the new standard finer… | ||
| scan0020 | Production test procedure for Finer Primary Type ignition coils in a Redmanol case. | ||
| View original record | X. 5781 cl. X. 8781 cl. PRODUCTION TEST OF IGNITION COILS. X†4653. FINER PRIMARY TYPE COIL IN REDMANOL CASE. (1) Continuity of primary and secondary circuits shall be tested by applying an approx.… | ||
| scan0021 | Test procedure for a distributor, detailing current, voltage, and spark gap parameters. | ||
| View original record | -2- Contd. battery, ammeter, and contact breaker, just permits the passage of 1.00 ampere when the contacts are closed. The make ratio of the distributor can then be set by adjusting and locking the… | ||
| scan0022 | Specification for the insulation testing of Redmanol coil cases at various temperatures. | ||
| View original record | X8781cl EFC/T8.6.27. not issued. SPECIFICATION OF INSULATION TEST AT TEMPERATURE OF REDMANOL COIL CASES. With the six-volt RR. trembler coil No.6162 operating on a voltage of from 5.5 to 5.75 volts,… | ||
| scan0023 | Establishing the new standard production test for a 22 SWG primary coil with double ballast resistance. | ||
| View original record | X8781cl To BY. from EFC. c. Mr. Brock. c. Mx. EFCl/T9.6.28. PRODUCTION TEST OF 22 SWG. PRIMARY COIL WITH DOUBLE BALLAST RESISTANCE. Please find attached copy of our amended production test for the… | ||
| scan0024 | Production test procedure for an ignition coil. | ||
| View original record | X.5781 cl. PRODUCTION TEST OF IGNITION COIL. X.5710. (22 S.W.G. PRIMARY 18,000 TURN SECONDARY) (D. 70346). (1) Continuity of primary and secondary circuits shall be tested by applying an approx. A.C.… | ||
| scan0025 | Page of a test procedure for a distributor, detailing current, voltage, and spark gap settings. | ||
| View original record | -2- Contd. just permits the passage of 1.00 ampere when the contacts are closed. The make ratio of the distributor can then be set by adjusting and locking the contact points in such a position as to… | ||
| scan0026 | Production test procedure for an ignition coil. | ||
| View original record | X.8781cl. 5.4.30. X.8781 cl. X.5781 cl. PRODUCTION TEST OF IGNITION COIL X.8712. D.72503. (1) Continuity of primary and secondary circuits shall be tested by applying an A.C. voltage of 200 to the… | ||
| scan0027 | Test procedure for ignition system components, detailing current, voltage, and running conditions. | ||
| View original record | AC26/15.4.32 X8781 CL -2- A convenient way of doing this is to keep a small resistance made up non-inductively which, when placed in circuit with the 12 volt battery, ammeter, and contact breaker,… | ||
| scan0028 | Production test specification for an ignition coil. | ||
| View original record | X8781ce Sft/Mr Brock. from EFC. c. By. EFC1/AD7.4.30. X.8712. IGNITION COIL TO D.72503. X.8781 cl. X.6781 cl. Herewith specification of production test for the above type coil. EFC. | ||
| scan0029 | Request to alter the lower current limit for the ignition coil production test. | ||
| View original record | X8781 cl. Sft/Mr. Brock. from EFC. EFCl/AD1 4.4.30. X.8781 cl. X.5781 cl. IGNITION COIL PRODUCTION TEST X.8712. Will you kindly alter the lower current limit in test 5. of the above (issued 5.4.30) to… | ||
| scan0030 | Production test procedure for a paper dielectric condenser for battery ignition. | ||
| View original record | X8781 cr X.8781 cr. 15.10.26. X.8700. X.5781 cr. X.5700. PRODUCTION TEST OF PAPER DIELECTRIC CONDENSER FOR BATTERY IGNITION. (1) It is assumed that each condenser, after production and before… | ||
| scan0031 | Testing procedures and specifications for condensers, including capacity and static charge verification. | ||
| View original record | -2- Contd. (7) The capability of holding a static charge should again be verified. (8) The condenser should again be tested for final capacity, when the milli-amperes taken at 200 volts 50.7~ for a… | ||
| scan0032 | Cover note for the specification of Production Inspection & Test of the EAC distribution board and cutout. | ||
| View original record | To BY from EFC. c. SFX/Mr. Brock. X8781db EFC5/T23.1.25. X.8740. DISTRIBUTION BOARD & CUTOUT. X.8781db. Herewith please receive copy of Specification of Production Inspection & Test of the EAC.… | ||
| scan0033 | Specification document for the production inspection, adjustment, and testing of a distribution board and cutout. | ||
| View original record | X8781db 21.1.25. X.8781db. R.R. EAC. DISTRIBUTION BOARD & CUTOUT. X.8740. VERSION 1. SPECIFICATION OF PRODUCTION INSPECTION, ADJUSTMENT & TEST. (1) The cover of the distribution box shall be removed… | ||
| scan0034 | Test procedure outlining voltage, amperage, and resistance specifications for a dynamo and cutout system. | ||
| View original record | Contd. -2- 21.1.25. The readings of the voltmeter V and ammeter B, immediately preceding this instant, shall be noted. The former shall lie between the limits 12.2 and 12.8 volts, and the latter shall… | ||
| scan0035 | Wiring diagram for an EAC distribution board and cutout test. | ||
| View original record | CONNECTIONS FOR R.R. EAC. DISTRIBUTION BOARD & CUTOUT TEST. D+ F+ D- + V B A DICKINSON MADE IN CRAWLEY | ||
| scan0036 | Providing an additional note on the specification for production inspection and testing of the distribution board and cutout. | ||
| View original record | To EY. from EFC. c. BFT/Mr. Brock. c. Test Dept. X8781db EFC2/T14.5.25. X.8781db. SPECIFICATION OF PRODUCTION INSPECTION & TEST OF R.R. DISTRIBUTION BOARD & CUTOUT. X3604 dl X8740 x 4410 Herewith… | ||
| scan0037 | Additional note on the specification for production inspection and testing of a distribution board and cutout, detailing contact point alignment. | ||
| View original record | 14.5.25. X.8781db. RR. DISTRIBUTION BOARD AND CUTOUT. X.8740. SPECIFICATION OF PRODUCTION INSPECTION & TEST. ADDITIONAL NOTE. Referring to (1)(a), and in particular to the inspection of the cutout… | ||
| scan0038 | Test log for a distribution board and cutout, recording various electrical measurements. | ||
| View original record | X.8781db. R.R. EAC. DISTRIBUTION BOARD & CUTOUT. H.8740. Date. | Dist. box No. | (a) | (b) | (c) | (d) Cold cutting in Voltage (12.2 to 12.3). | (4) Cold cutting in current (amperes) (< .20) | Falling… | ||
| scan0039 | Specification for production inspection, adjustment, and testing of the distribution board and cutout. | ||
| View original record | X8781db 19.10.26. X.8781db. R.R. DISTRIBUTION BOARD & CUTOUT. X.8740. X.5781db. X.5740. SPECIFICATION OF PRODUCTION INSPECTION, ADJUSTMENT & TEST. (1) The cover of the distribution box shall be… | ||
| scan0040 | Test procedure document for a dynamo and cutout system, specifying operational limits for voltage, current and resistance. | ||
| View original record | -2- Contd. until the cutout is just operated. The instant of operation will be shewn by a movement of the needle of ammeter A. The readings of the voltmeter V and ammeter B, immediately preceding this… | ||
| scan0041 | Wiring diagram for a distribution board and cutout test for the 40/50 model. | ||
| View original record | CONNECTIONS FOR RR. 40/50 DISTRIBUTION BOARD & CUTOUT TEST. D+ F+ D- + V B A | ||
| scan0042 | Test log sheet for dynamos, detailing performance data and remarks from multiple tests. | ||
| View original record | X.9660. RR. EAC. DYNAMO. X.9661do. Handwritten: X 8781 do Date. Dynamo number. (3) Cold condition Temp. (°C). Volts at 430 RPM. >=12.4 (4) Output after 20 mins. at 1100 r.p.m. Amperes. Volts. (=14.5 )… | ||
| scan0043 | Checklist of inspection points and record-keeping requirements for dynamo particulars. | ||
| View original record | X.8781/do. X.294. DYNAMO PARTICULARS. X.3604do. X.8781.do. INSPECTION. Insulation. Boxes axial Boxes radial. Boxes horizontal. Brush spacing (m & c) " freedom. " circumferential fit. " & spring-slot… | ||
| scan0044 | Specification for the production inspection and testing of an EAC dynamo. | ||
| View original record | X8781do To BY. from EFC. c. SFI/Mr. Brock. c. Test Dept. EFC4/T20.1.25. X.8660. R.R. EAC. DYNAMO. X8781d Please find attached copy of Version 1 - Specification of Production Inspection and Test of the… | ||
| scan0045 | Specification and test procedure for an R.R. EAC. Dynamo, version 1. | ||
| View original record | X8781do 20.1.25. X.8781do R.R. EAC. DYNAMO. X.8660. SPECIFICATION OF INSPECTION & TEST. (VERSION 1.) Upon receipt of the machine from the assembling benches :- (1) Inspect the brush mechanism and make… | ||
| scan0046 | Test procedures for a dynamo, including insulation resistance, running tests, and the bedding of brushes. | ||
| View original record | -2- Contd. (2) The insulation resistance of the machine should be taken and should not be less than 1 megohm. N.B. For the running tests of the dynamo there must be no armature end play. It may be… | ||
| scan0047 | Continued list of testing procedures for a dynamo, including checks for voltage, noise, and insulation. | ||
| View original record | -3- Contd. (6) With the dynamo still in the same hot condition, it should be verified that running on open circuit shows a voltage of at least 13.6 at 540 [struck through 550] r.p.m. (7) The dynamo… | ||
| scan0048 | Production tests for the R.R. EAC dynamo, noting issues with overheating. | ||
| View original record | To SFT/Mr. Brock. X8781do EFC2/T20.2.25. X. 8781do. EAC. DYNAMO PRODUCTION TEST. X8660 Please find attached two copies of the form for recording production tests on the R.R. EAC. dynamo with 57 coil… | ||
| scan0049 | Production tests of 20 HP dynamos, requesting an up-to-date model for early review. | ||
| View original record | To SFT/Mr. Brock. from EFC. X 8781do EFC3/T27.2.25. PRODUCTION TESTS OF 20 HP. DYNAMOS WITH 57 COIL ARMATURES AND EAC. DYNAMOS. X 8781do X 3604do Further to our EFC1/T20.2.25 and EFC2/T20.2.25, we… | ||
| scan0050 | The production testing of 20 HP dynamos and a request for sample models. | ||
| View original record | To SFT/Mr. Brock. From EFC. (Handwritten: X8781do) EFC3/T27.2.25. PRODUCTION TESTS OF 20 HP. DYNAMOS WITH (Handwritten: X8781do) (Handwritten: | ||
| scan0051 | The production test of a dynamo, detailing its satisfactory performance and suggesting improvements. | ||
| View original record | X8781do To Mr. Brock. from EFC. EFC1/T25.4.25. X.8781do. PRODUCTION TEST OF DYNAMOS. Herewith we return to you EAC. dynamo NE.35 having made the desired observations. We find the performance of the… | ||
| scan0052 | Test log sheet for various dynamos, recording outputs, settings, and remarks. | ||
| View original record | Top Header: X.8660. R.R. EAC. DYNAMO. X.8781do. Right Margin (vertical): X.8781do Column Headers: Date. Dynamo number. (1) Remarks. (2)(3)(4) Remarks. (5) Output at 1050 rpm. Amperes. (9.5 to 10.5)… | ||
| scan0053 | Temporary alterations to a dynamo's production inspection and test specification. | ||
| View original record | X6781do To BY. from EFC. c. SFT/Mr. Brock. c. Test Dept. EFC3/T12.5.25. X.8781do. R.R. EAC+ DYNAMO - SPECIFICATION OF PRODUCTION INSPECTION & TEST. X.8660. Would you kindly note that owing to the… | ||
| scan0054 | Attaching Version 2 of the Production Inspection & Test Specification for the EAC Dynamo X.8660. | ||
| View original record | To BY. from EFC. c. Sft/Mr. Brock. c. Test Dept. X8781do EFC3/T19.5.25. X.8781do. R.R. EAC DYNAMO. X.8660. PRODUCTION INSPECTION & TEST SPECIFICATION. Further to our EFC3/T12.5.25 . as therein stated,… | ||
| scan0055 | Specification of inspection and test procedures for a dynamo, version 2. | ||
| View original record | 19.5.25. 120º machine X.8781do. R.R. EAC. DYNAMO. X.8660. SPECIFICATION OF INSPECTION & TEST. VERSION 2. Upon receipt of the machine from the assembling benches :- (1) Inspect the brush mechanism and… | ||
| scan0056 | Testing procedure for a dynamo, including insulation resistance, main and final bedding of brushes, and output checks. | ||
| View original record | -2- Contd. (2) The insulation resistance of the machine should be taken and should not be less than 1 megohm. N.B. For the running tests of the dynamo there must be no armature end play. It may be… | ||
| scan0057 | Testing procedures for a dynamo, including open circuit voltage, load, noise, and insulation tests. | ||
| View original record | -3- Contd. (6) With the dynamo still in the same hot condition, it should be verified that running on open circuit, it shows a voltage of at least 13.6 at 540 r.p.m. (7) The dynamo shall again be run… | ||
| scan0058 | Test results log for R.R. EAC Dynamos, detailing output and brush settings. | ||
| View original record | X.8781 do. X.8660. R.R. EAC. DYNAMO. X.8781 do. Date. | Dynamo number. | (1) Remarks. | (2)(3)(4) Remarks. | (5) Output at 1050 rpm. Amperes (9.5 to 10.5) Volts (14.6 to 14.8). | (6) O.C. Volts at 550… | ||
| scan0059 | Test log for dynamos, detailing performance metrics, adjustments, and inspection remarks. | ||
| View original record | X.8660. EAC. DYNAMO. X.8781do. X8781/do | Date. | Dynamo numbers | (1) Remarks. | (2)(3)(4) Remarks. | (5) Output at 1050 r.p.m. | (6) O.C. Volts at 540 rpm. (= 13.6) | (7)(8)(9)(10) Remarks. | Brush… | ||
| scan0060 | New specification for production inspection and testing of an EAC Dynamo, changing the brush angle. | ||
| View original record | X8781do To Mr. Brock. c. HY. c. Test Dept. EFCl/T29.1.26. X.8781do - EAC. DYNAMO. x8660 SPECIFICATION OF PRODUCTION INSPECTION & TEST We now send you a copy of Specification of Inspection and Test of… | ||
| scan0061 | Specification for the inspection and testing of a dynamo's brush mechanism. | ||
| View original record | 29.1.26. X.8781do. R.R. EAC. DYNAMO. X.8660. SPECIFICATION OF INSPECTION & TEST. VERSION 3. Applicable to dynamos with control brush set to 122° to main brush in place of 120° as heretofore. Upon… | ||
| scan0062 | Instructions for testing and bedding the brushes of a dynamo. | ||
| View original record | -2- Contd. (e) The connections of the pigtail conductors are not in any way damaged. (f) The initial bedding of the brush shows partial contact reasonably well distributed over the working surface.… | ||
| scan0063 | Continued page of test procedures for a dynamo, detailing output, load, noise, and insulation checks. | ||
| View original record | -3- Contd. (5) At the termination of the above run, and after a quick final examination and passing of the brush bedding and commutator condition, observations shall be made of the output of the… | ||
| scan0064 | Clarifying the specification for measuring the spacing of dynamo commutator brushes for 40/50 and 20 HP models. | ||
| View original record | X6781 do To Sft/Mr. Brock. EFC5/T31.3.26. RE DYNAMOS. X2604 do With reference to the Specification of production inspection and test of both the 40/50 and 20 HP. dynamos, par. (1). item (c). It has… | ||
| scan0065 | To Mr. Brock regarding updates to production adjustment and test specifications for 40/50 HP and 20 HP models. | ||
| View original record | To Mr. Brock.(Contd.) -2- EFC5/T31.3.26. are of course 90° and 122° in the case of the 40/50 HP. and 90° and 120° in the case of the 20 HP. Another point in connection with the 40/50 HP. specification… | ||
| scan0066 | Specification for the inspection and testing of a dynamo brush mechanism. | ||
| View original record | X8781do 14.10.26. X.8781do. R.R. EAC. DYNAMO. X.8660. SPECIFICATION OF INSPECTION & TEST. VERSION 3. Applicable to dynamos with control brush set to 122° to main brush in place of 120° as heretofore.… | ||
| scan0067 | Procedure for testing a dynamo, focusing on insulation resistance and the main and final bedding of brushes. | ||
| View original record | -2- Kontd. (e) The connections of the pigtail conductors are not in any way damaged. (f) The initial bedding of the brush shews partial contact reasonably well distributed over the working surface.… | ||
| scan0068 | Continuation of a test procedure for a dynamo, detailing output, mechanical, and insulation checks. | ||
| View original record | -3- Contd. (5) At the termination of the above run, and after a quick final examination and passing of the brush bedding and commutator condition, observations shall be made of the output of the… | ||
| scan0069 | Modified EAC Dynamo (WD.45.M) and its new 'Version 4' specification. | ||
| View original record | To SFT/Mr. Brock. c. BY. X8781do EFC1/T6.11.26. X.8660. EAC. DYNAMO. Herewith we return to you dynamo WD.45.M. with the modified pole pieces and armature to commutator connections. We have made the… | ||
| scan0070 | Inspection and test specification for a dynamo, detailing checks on the brush mechanism. | ||
| View original record | EFC/T6.11.26. X.8781do. RR. EAC. DYNAMO. X.8660. SPECIFICATION OF INSPECTION AND TEST. VERSION 4. Applicable to dynamos with the dual modification, e.g.:- (1) Pole piece modification for silence. (2)… | ||
| scan0071 | Procedure for testing and bedding in dynamo brushes. | ||
| View original record | -2- Contd. (e) The connections of the pigtail conductors are not in any way damaged. (f) The initial bedding of the brush shews partial contact reasonably well distributed over the working surface.… | ||
| scan0072 | Continued list of test procedures for a dynamo, covering output, voltage, noise, and insulation checks. | ||
| View original record | -3- Contd. (5) At the termination of the above run, and after a quick final examination and passing of the brush bedding and commutator condition, observations shall be made of the output of the… | ||
| scan0073 | Specification and testing of a modified EAC dynamo and new test result forms. | ||
| View original record | X8781do To BY. from EFC. c. SFT/Mr. Brock. c. Mx. EFC1/T13.4.27. v8860 R.R. EAC. DYNAMO WITH SINGLE MODIFICATION. Herewith we attach copy of Specification of Prodn Inspection and Test of the 40/50… | ||
| scan0074 | Specification of inspection and test procedures for a dynamo, version 5. | ||
| View original record | EFC/T13.4.27. X.8781 do. RR. EAC. DYNAMO. X.8660. SPECIFICATION OF INSPECTION AND TEST. VERSION 5. Applicable to dynamos with the single modification, i.e. pole piece modification for silence with the… | ||
| scan0075 | Procedure for testing and bedding the brushes of a dynamo. | ||
| View original record | -2- Contd. (e) The connections of the pigtail conductors are not in any way damaged. (f) The initial bedding of the brush shews partial contact reasonably well distributed over the working surface.… | ||
| scan0076 | Test procedures and specifications for a dynamo, detailing various operational checks. | ||
| View original record | -3- Contd. (5) At the termination of the above run observations shall be made of the output of the machine at this same speed of 1350 r.p.m. which output should lie between 13.0 and 14.0 amperes, the… | ||
| scan0077 | The specification for production, inspection, adjustment, and testing of the narrow brush dynamo. | ||
| View original record | To BY. from EFC. c. SFT/Mr. Brock. c. Mx. X8781 do EFC4/T24.6.27. R.R. EAC. DYNAMO OF THE NARROW BRUSH TYPE. Herewith please receive copy of the Specification of Production Inspection Adjustment and… | ||
| scan0078 | Specification of inspection and test for an EAC Dynamo, Version 5, applicable to dynamos with narrower brushes. | ||
| View original record | EFC/T24.6.27. X.8781do. R.R. EAC. DYNAMO. X.8671. SPECIFICATION OF INSPECTION & TEST. VERSION 5. Applicable to dynamos with the narrower brushes. Upon receipt of the machine from the assembling… | ||
| scan0079 | Instructions for the preliminary, main, and final bedding of dynamo brushes. | ||
| View original record | -2- Contd. (e) The connections of the pigtail conductors are not in any way damaged. (f) The initial bedding of the brush shows partial contact reasonable well distributed over the working surface.… | ||
| scan0080 | Addition to a dynamo specification concerning testing for and rectifying undue brush noise. | ||
| View original record | X8781do Addition to item (3) of N.B. Dynamo Specification. X.8781do. Particular notice should be taken of any undue brush noise which may develop on this test. On any brush which is noisy, it should… | ||
| scan0081 | Continued list of test procedures for a dynamo, covering performance and condition checks. | ||
| View original record | -3- Contd. (5) At the termination of the above run, observations shall be made of the output of the machine at this same speed of 1250 r.p.m. which output should lie between 12.0 and 13.0 amperes, the… | ||
| scan0082 | Update to the specifications for production tests of EAC dynamos, specifically concerning brush noise. | ||
| View original record | X878/dc To SFT/Mr. Brock. EFC4/T6.7.27. PRODUCTION TESTS OF EAC. DYNAMOS. With regard to the three Specifications of Inspection & Test of the RR. EAC. Dynamo, viz :- A. That for the old standard… | ||
| scan0083 | Inspection and test specification for 40/50 dynamos, specifically about control brush angle settings. | ||
| View original record | X8781/do To Mr. Brock. c. BY. EFC2/T16.11.27. RE SPECIFICATION OF INSPECTION & TEST OF SINGLE MODIFICATION 40/50 DYNAMOS. You will remember that at one time we asked you to keep to the 125º of control… | ||
| scan0084 | Confirming the correct control brush angle for N.B. type dynamos from 122° to 121°. | ||
| View original record | To EY/RD. from EFC. c. Mr. Brock. X8781do EFC1/T10.1.28. N.B. DYNAMOS. X.8781do. X.8671. Having further carefully examined the question of the control brush angle for the N.B. type of machine, we have… | ||
| scan0085 | Fault report on a Dynamo RU.95 from Chassis 58-HC, detailing melted solder and brush issues. | ||
| View original record | X8785do To BY. from EFC. c. Mr. Brock. EFC1/TDO.2.28. DYNAMO RU.95 EX CHASSIS 58-HC. This machine is one of the early type having a control brush angle of 120°. Solder has been melted from the… | ||
| scan0086 | Customer complaints about faulty dynamos on the Phantom model, identifying the cause as melted commutator solder. | ||
| View original record | X8783do To BY. from EFC. c. Mr. Brock. EFC2/T13.2.28. CUSTOMERS' COMPLAINT DYNAMOS - PHANTOM. Practically all machines of the early standard type which are returned to us as faulty are cases of the… | ||
| scan0087 | Amended specifications and testing for the N.B. type dynamo. | ||
| View original record | X8781do To BY. from EFC. c. Mr. Brock. c. Mx. EFC7/T7.3.28. R.R. EAC. DYNAMO OF THE N.B. TYPE. Herewith please receive amended copy of the Specification of production inspection and test of the N.B.… | ||
| scan0088 | Specification for the inspection and testing of the N.B. type dynamo with narrower brushes. | ||
| View original record | 7.3.28. X.8781do. R. R. EAC. DYNAMO OF THE N.B. TYPE. X.8671. SPECIFICATION OF INSPECTION AND TEST. VERSION 6. Applicable to dynamos with the narrower brushes. Upon receipt of the machine from the… | ||
| scan0089 | Instructions for dynamo testing and brush bedding procedures. | ||
| View original record | -2- Contd, (e) The connections of the pigtail conductors are not in any way damaged. (f) The initial bedding of the brush shows partial contact reasonably well distributed over the working surface.… | ||
| scan0090 | Continuation of a testing procedure for a dynamo, focusing on brush bedding and performance checks. | ||
| View original record | -3- Contd. the brush on the commutator are O.K. Failing to quieten noisy brushes in this way, the armature should be removed and the commutator skimmed, before proceeding with the final running test.… | ||
| scan0091 | Procedure for testing the insulation of a machine while it is still hot. | ||
| View original record | -3- Contd. (10) The insulation of the machine should be tested while still hot by applying through a low c.p. 200 volt lamp an alternating voltage of 200 between the windings and the frame, when the… | ||
| scan0092 | Production test results for EAC dynamos with narrower brushes. | ||
| View original record | X.8781 do. PRODUCTION TEST. X.8660. R.R. EAC. DYNAMO. X.8781 do. (NARROWER BRUSH MACHINES) after alteration to 121° C angle | Date. | Dynamo number. | (1) Remarks. | (2)(3)(4) Remarks. | (5) Output at… | ||
| scan0093 | Test results log for single modification dynamo machines. | ||
| View original record | X.8781/do X.8660. R.R. EAC. DYNAMO. X.8781do. SINGLE MODIFICATION MACHINES ON (FIGURES PRODN. TEST) | Date. | Dynamo Number. | (1) Remarks | (2)(3)(4) Remarks. | (5) Output at 1350 r.p.m. Amperes.… | ||
| scan0094 | Production specification for inspection and test of an EAC Dynamo of the N.B. type with a higher output armature. | ||
| View original record | X8781 dw To BY. from EFC. " Mr. Brock. EFC2/T4.12.28. R.R. EAC. DYNAMO OF THE N.B. TYPE WITH HIGHER OUTPUT ARMATURE Herewith please receive production specification of inspection and test in… | ||
| scan0095 | Specification of inspection and test for a Dynamo of the N.B. Type X.8664 with higher output armature. | ||
| View original record | 4.12.28. X.8781do. R.R. EAC. DYNAMO OF THE N.B. TYPE X.8664 WITH HIGHER OUTPUT ARMATURE. SPECIFICATION OF INSPECTION AND TEST. VERSION 8. Applicable only to dynamos with higher output armatures. Upon… | ||
| scan0096 | Instructions for the testing and bedding of dynamo brushes, page 2. | ||
| View original record | -2- Contd. (e) The connections of the pigtail conductors are not in any way damaged. (f) The initial bedding of the brush shows partial contact reasonably well distributed over the working surface.… | ||
| scan0097 | Page of test procedures for a dynamo, detailing brush bedding, load tests, and noise/vibration checks. | ||
| View original record | -3- Contd. the brush on the commutator are O.K. Failing to quieten noisy brushes in this way, the armature should be removed and the commutator skimmed, before proceeding with the final running test.… | ||
| scan0098 | Inspection and insulation testing procedures for an electrical machine. | ||
| View original record | -4- (9) Examine also for rubbing armature, slack bearings, cracked insulation and final condition of commutator and brush surfaces. (10) The insulation of the machine should be tested whilst still hot… | ||
| scan0099 | Specification for the inspection and test of an EAC Dynamo with a 28-slot armature. | ||
| View original record | To EV, from EFC. c.c. Mr. Brock. X8781do EFC1/T19.12.28. Herewith please receive copy of Specification of Inspection and Test of R.R. EAC. Dynamo (N.B.) with 28 slot armature. It will be noted that… | ||
| scan0100 | Specification for the inspection and test of an N.B. type dynamo with a 28 slot armature. | ||
| View original record | 19.12.28. R.R. EAC. DYNAMO OF THE N.B. TYPE WITH 28 SLOT ARMATURE. SPECIFICATION OF INSPECTION AND TEST. VERSION 7. Applicable to normal output dynamos with 28 slot armatures, and S.S. type dynamos.… | ||
| scan0101 | Continued instructions for testing a dynamo, covering connections, brush bedding, insulation resistance, and operational tests. | ||
| View original record | -2- Contd. (e) The connections of the pigtail conductors are not in any way damaged. (f) The initial bedding of the brush shows partial contact reasonably well distributed over the working surface.… | ||
| scan0102 | Testing procedures for a dynamo, detailing final brush bedding and various load and speed tests. | ||
| View original record | -3- Contd. ferentially, and between the bottom of the holder and the commutator, do not exceed the specified amount. Also that the bedding of the spring on the bevel of the brush and of the brush on… | ||
| scan0103 | Inspection and testing procedures for machine components, including armature and insulation. | ||
| View original record | -4- Contd. (9) Examine also for rubbing armature, slack bearings, cracked insulation and final condition of commutator and brush surfaces, and see also that with the dynamo hot, the end cover can… | ||
| scan0104 | Specification for production inspection and testing of Phantom and S.S. type dynamos. | ||
| View original record | X8781 do BY. from EFC. cc Mr. Brock. EFC2/T10.4.29. Herewith please receive Specification of Production Inspection and Test applicable to R.R. Phantom and S.S. type dynamos with 28 slot armatures and… | ||
| scan0105 | Specification of inspection and test for Phantom & S.S. dynamos with 28 slot armatures. | ||
| View original record | EFC/T10.4.29. R.R. PHANTOM & S.S. DYNAMOS WITH 28 SLOT ARMATURES WITH THINNER STAMPINGS. SPECIFICATION OF INSPECTION AND TEST. VERSION 9. Applicable to dynamos as above. Upon receipt of the machine… | ||
| scan0106 | Continued testing procedure for a dynamo, detailing checks on pigtail conductors, brush bedding, and insulation resistance. | ||
| View original record | -2- Contd (e) The connections of the pigtail conductors are not in any way damaged. (f) The initial bedding of the brush shows partial contact reasonably well distributed over the working surface.… | ||
| scan0107 | Page 3 of a dynamo testing procedure, detailing the final bedding of brushes and various load and speed tests. | ||
| View original record | -3- Contd. circumferentially, and between the bottom of the holder and the commutator, do not exceed the specified amount; Also that the bedding of the spring on the bevel of the brush and of the… | ||
| scan0108 | Inspection and testing procedures for dynamo components and insulation. | ||
| View original record | -4- Contd. (9) Examine also for rubbing armature, slack bearings, cracked insulation and final condition of commutator and brush surfaces, and see also that with the dynamo hot, the end cover can be… | ||
| scan0109 | Outlining the completion of specifications for electrical production tests on the V series chassis. | ||
| View original record | To BY. from EFC. c. SFT. c. SFT/Mr. Brock. X8781di EFCl/T13.2.25. X.8781. EAC. V SERIES CHASSIS - ELECTRICAL PRODUCTION TESTS. Herewith please receive copy of Specification of Production Inspection,… | ||
| scan0110 | Amendment to the production test specification for the ignition distributor and contact breaker on 20 HP & 40/50 HP models. | ||
| View original record | X8781dr To SFT/Mr. Brock. c. BY. BY/RD. EFC3/T16.3.26. 20 HP. & 40/50 HP. PRODUCTION INSPECTION, ADJUSTMENT & TEST OF IGNITION DISTRIBUTOR & CONTACT BREAKER. Will you kindly note that the following… | ||
| scan0111 | Production inspection, adjustment, and test procedures for the ignition distributor and contact breaker. | ||
| View original record | X8754 15.10.26. X.8781dr. X.5781dr. PRODUCTION INSPECTION, ADJUSTMENT & TEST OF IGNITION DISTRIBUTOR & CONTACT BREAKER. X.8690 X.5690. A. MAIN DISTRIBUTOR & CONTACT BREAKER TEST. Inspection shall be… | ||
| scan0112 | Procedure for testing and setting a contact breaker and distributor. | ||
| View original record | -2- Contd. (1) The contact breaker shall be connected up to an ammeter, a twelve volt battery, and a non-inductive resistance of zero temperature coefficient, all in series, the last named being of… | ||
| scan0113 | Testing procedures for a distributor high tension rotor, including insulation and clearance checks. | ||
| View original record | -3- Contd. just making and just breaking contact, this indicating absence of friction at the pivot. After this test the spring clamp securing screw is restored. (3) The distributor high tension rotor… | ||
| scan0114 | Procedure for the mechanical testing of a 20 HP governor, including performance limits. | ||
| View original record | -4- Contd. B. MECHANICAL TEST OF 20 HP. GOVERNOR. (1) The distributor shall now be fitted up with its rotor and cover, and wired up to a standard 20 HP. ignition equipment. A disc marked in degrees is… | ||
| scan0115 | Instructions on altering the set of a spring for weights if speed limits are not met. | ||
| View original record | -5- Contd. If the speed limits are not complied with, it will be generally found that the only alteration required is that of the set of the spring in the undeflected position of the weights. This set… | ||
| scan0116 | Specification for the production inspection, adjustment and test of the ignition distributor and contact breaker. | ||
| View original record | To SFY/Mr. Brock. c. BY. Mx. X8781 EFCI/T7.7.27. 20 HP. & 40/50 HP. IGNITION DISTRIBUTOR & CONTACT BREAKER. PRODUCTION INSPECTION & TEST. Herewith please receive a modified and up-to-date copy of the… | ||
| scan0117 | Production inspection, adjustment, and test procedures for the ignition distributor and contact breaker. | ||
| View original record | 7.7.27. X.8781dr. PRODUCTION INSPECTION, ADJUSTMENT & TEST. X.8690. X.5781dr. OF IGNITION DISTRIBUTOR & CONTACT BREAKER. X.5690. A. MAIN DISTRIBUTOR & CONTACT BREAKER TEST. Inspection shall be made… | ||
| scan0118 | Instructions for testing and adjusting a contact breaker and distributor, detailing current, speed, and tension specifications. | ||
| View original record | -2- Contd. (1) The contact breaker shall be connected up to an ammeter, a twelve volt battery, and a non-inductive resistance of zero temperature coefficient, all in series, the last named being of… | ||
| scan0119 | Page of a test procedure document for a distributor high tension rotor, covering insulation and clearance checks. | ||
| View original record | -3- Contd. just making and just breaking contact, this indicating absence of friction at the pivot. After this test the spring clamp securing screw is restored. (3) The distributor high tension rotor… | ||
| scan0120 | Revised specification for the inspection and testing of the Ignition Distributor and Contact Breaker. | ||
| View original record | X8781d4 To EY. from EFC. c. BY/RD. c. Mr. Brock. EFC5/T10.2.28. Herewith we send you revised copy of Production Specification of Inspection & Test of Ignition Distributor & Contact Breaker, this being… | ||
| scan0121 | Production inspection, adjustment, and test procedure for an ignition distributor and contact breaker. | ||
| View original record | X8781dr. 9.2.28. X.8690.X.5690. X.8781dr. PRODUCTION INSPECTION,ADJUSTMENT & TEST. X.5781dr. OF IGNITION DISTRIBUTOR & CONTACT BREAKER. (Design with tungsten points with flexible fixed contact… | ||
| scan0122 | Testing procedure for an ignition distributor's contact breaker and spring tension. | ||
| View original record | -2- Contd. Also see that the cam itself is greased. The tangential force at lever pin radius necessary to advance or retard the ignition distributor shall lie between the limits 1½ to 2½ lbs. weight.… | ||
| scan0123 | Continued page of test procedures for a distributor rotor, covering tension, insulation, and clearance specifications. | ||
| View original record | -3- Contd. This tension should lie between the limits .9 and 1.2 lbs. There should be no readable difference between just making and just breaking contact, this indicating absence of friction at the… | ||
| scan0124 | Distributing the specification for production inspection and testing of the Watford type EO6 magneto for the EAC chassis. | ||
| View original record | To EY. from EFG. c. SFT. c. SFT/Mr. Brock. X8781m EFC1/T27.1.25. X.4181d. WATFORD TYPE EO6 MAGNETO FOR EAC. X8781m (60° range - left hand rotation) Herewith please receive copy of Specification of… | ||
| scan0125 | Specification for production inspection and test of a Watford Type EC6 (d) Magneto. | ||
| View original record | 22.1.25. VERSION 1. X.8781m. WATFORD TYPE EC6 (d) MAGNETO FOR N.R. RAC. MARSHALL. X.4181d. SPECIFICATION OF PRODUCTION INSPECTION & TEST. (1) The contact breaker cover, distributor ring and rear end… | ||
| scan0126 | Page of test procedures for ignition system components including circuits, contact breakers, and magnetos. | ||
| View original record | -2- Contd. (3) Continuity of primary and secondary circuits shall be tested by applying an A.C. voltage of 205 between the high tension terminal and the frame, with the contact points held apart, when… | ||
| scan0127 | Specifications for minimum magneto sparking speeds and gear meshing. | ||
| View original record | -3- Contd. gear wheel with the pinion is correct; incorrect meshing being indicated by an uneven rattle emanating from the distributor end of the magneto. (7) The slowest speeds at which regular… | ||
| scan0128 | Numerical items from the Production Test Specification for the Watford E06 (d) magneto for EAC chassis. | ||
| View original record | X8781m To By/Shn. from EFC. EFC2/T6.2.25. X4181d WATFORD E06 (d) MAGNETOS FOR EAC. X8781m Attached is a collection of numerical items in connection with the Watford E06 (d) magneto for EAC. chassis… | ||
| scan0129 | Production specification for the inspection and testing of Watford EO6 (d) magnetos for EAC. | ||
| View original record | EFC/T6.2.25. X.8781m. WATFORD EO6 (d) MAGNETOS FOR EAC. Extract from Production Specification of Inspection & Test. Maximum primary gaps .011 ±1 Safety spark gap 8.2 to 8.5 mm. Available range - not… | ||
| scan0130 | Update to the inspection and test specification for a Watford Type E06(d) Magneto for an EAC Chassis. | ||
| View original record | x8781m To HY. From EFC. c. SFI/Mr. Brock. c. Test Dept. EFC2/T11.6.25. X.8781m. WATFORD TYPE E06(d) MAGNETO FOR EAC. CHASSIS. Herewith please receive new Page 1 of the Production Specification of… | ||
| scan0131 | Production inspection and test specification for a Watford Type EG6 (d) Magneto for an R.R. Eagle Chassis. | ||
| View original record | 11.6.25. VERSION 1A. X.8781m. WATFORD TYPE EG6 (d) MAGNETO FOR R.R. EAG. CHASSIS. X.4181d. SPECIFICATION OF PRODUCTION INSPECTION & TEST. (1) The contact breaker cover, distributor ring and rear end… | ||
| scan0132 | Enclosing the production inspection and test specification for the Watford EO6 magneto. | ||
| View original record | To SFT/Mr. Ellis. X8781m EFC4/T18.6.26. X.8781m - WATFORD TYPE EO6 (d) MAGNETO FOR R.R. EAC. CHASSIS. Herewith a new copy of Specification of Production Inspection and Test of present standard Watford… | ||
| scan0133 | The tentative specification and initial testing of the new Watford Type EW6 magneto for the Phantom chassis, noting issues with noisiness and the contact breaker lever. | ||
| View original record | To BY. from EFC. c. SFT c. SFT/Mr. Ellis. c. Mx. X8781m EFC4/T3.2.28. WATFORD TYPE EW6 MAGNETO FOR RR. PHANTOM CHASSIS. X7791 Herewith we send to you copy of Specification of Production Inspection &… | ||
| scan0134 | Specification of Production Inspection & Test for a Watford Type EW6 Magneto for the 40/50 HP Chassis. | ||
| View original record | 4.1.28. X.7791. WATFORD TYPE EW6 MAGNETO FOR R.R. 40/50 HP. CHASSIS. X.8781m. SPECIFICATION OF PRODUCTION INSPECTION & TEST. (1) The contact breaker cover, distributor block and rear end cover plate… | ||
| scan0135 | Page detailing testing procedures for electrical ignition components, including continuity, force, and high-speed running tests. | ||
| View original record | -2- Contd. (3) Continuity of primary and secondary circuits shall be tested by applying an A.C. voltage of 205 between the high tension terminal and the frame, with the contact points held apart, when… | ||
| scan0136 | Magneto testing procedure detailing checks for gear meshing and minimum sparking speeds at various positions. | ||
| View original record | -3- Contd. be further observed whilst running the magneto that the meshing of the distributor gear wheel with the pinion is correct; incorrect meshing being indicated by an uneven rattle emanating… | ||
| scan0137 | Production inspection and test log for Watford Type EW6 Magnetos. | ||
| View original record | X8781m X. 8781m. WATFORD TYPE EW6 MAGNETO. X. 7791. PRODUCTION INSPECTION AND TEST. Table Columns: Date. Magneto No. (1) Remarks. (2) Range (degrees) (>58°) (3) Remarks. (4) Tangl. force. 1 to 2 lbs.… | ||
| scan0138 | Specification for production inspection, adjustment, and testing of a combined main switch and relay switch unit. | ||
| View original record | X.8781 EFC4/T5.3.25. VERSION 1. X.8781. COMBINED MAIN SWITCH & RELAY SWITCH UNIT. EAC II. X.8650. SPECIFICATION OF PRODUCTION INSPECTION, ADJUSTMENT & TEST. I. MAIN SWITCH UNIT. (1) Place a .020"… | ||
| scan0139 | Testing procedures for a main switch, detailing electrical and mechanical test requirements. | ||
| View original record | Contd. -2- EFC4/T5.3.28. (5) The coil of the main switch shall be connected to the terminals of a six-volt battery, through an ammeter, and the amperes taken by the coils (with non-inductive… | ||
| scan0140 | Specifications and testing procedures for a relay switch, including a table of gap limits. | ||
| View original record | -3- Contd. SECTION II. RELAY SWITCH. (1) First check over the various gaps which should be in accordance with the following table :- Position. Gap on upper contact. Gap between pole core & armature.… | ||
| scan0141 | Continuation of testing procedures for a relay switch unit, including spring tension and voltage breakdown tests. | ||
| View original record | contd : -4- EFC4/E5.3.25. ---------- X8781 ms (5) Now verify that the main spring tension (combined rating and set) is such that with a current of 3.0 amperes passing through the fine winding, a load… | ||
| scan0142 | Specification table for a push button switch, detailing gap measurements and button depression at various positions. | ||
| View original record | X8781/ps 13.2.25. X.8781ps. PUSH BUTTON SWITCH. X.8641. (handwritten above: 8651) Position. Carbon gap. Copper gap. Button depression. Off. .040 ±15 .060±20 0 Carbons just in contact. 0 .033 ±10… | ||
| scan0143 | Specification for the production testing of a starter motor and reduction gear. | ||
| View original record | X8781sm EFCl/T30.1.25. + X.8781sm. SPECIFICATION OF PRODUCTION TEST OF R.R. STARTER MOTOR & REDUCTION GEAR. X.3082. In tests (1) and (2) below, the circuit of the motor should include an electrically… | ||
| scan0144 | Diagnostic procedure for testing an electric motor's magnetic circuit and mechanical friction. | ||
| View original record | -2- Contd. an air gap, or of eccentricity of the armature. This latter has a double effect on the current :- Firstly, because the total flux may be reduced. Secondly, because the flux may be twisted… | ||
| scan0145 | Procedure for conducting light and load tests on a motor, including specifications for torque, current, and speed. | ||
| View original record | -3- should exceed 80% of the total. Running the light test on the motor considerably improves the bedding of the brushes for the load test, so that under the circumstances, as above, the light test… | ||
| scan0146 | Continued page detailing motor testing procedures, including light and load tests, and the relationship between voltage, current, and speed. | ||
| View original record | -4- Contd. terminal voltage, which shall lie between the limits 9.5 and 10.0. Until the motor has been made to pass the light test, it should not be put on the load test because it would be found that… | ||
| scan0147 | Continued page of test procedures for electric motors, focusing on load tests, magnetic circuits, and fault diagnosis. | ||
| View original record | -5- Contd. On the load test, a bad magnetic circuit will reduce the speed by increasing the amperes and thus absorbing more volts on ohmic resistance, but on the light test, where the ohmic drop is… | ||
| scan0148 | Continuation of test procedures for a motor, including intermittent load, insulation breakdown, and resistance tests. | ||
| View original record | -6- Contd. TEST 3. This test will consist of switching the motor on and off intermittently under load (about 10 secs. on and 10 secs. off) for a period of 5 minutes and will serve in addition as test… | ||
| scan0149 | Specification document for the production, inspection, adjustment, and testing of a combined main and auxiliary relay switch unit. | ||
| View original record | C7-C X8781 EFC/T9.3.26. VERSION 1. X.8781 - COMBINED MAIN SWITCH & AUXILIARY RELAY SWITCH UNIT. X.7650. SPECIFICATION OF PRODUCTION, INSPECTION, ADJUSTMENT & TEST. I. INSPECTION. (1) Ascertain that… | ||
| scan0150 | Inspection and testing procedure for a main switch unit, detailing contact gap measurements and coil current checks. | ||
| View original record | Contd. -2- EFC/T9.3.26. (5) The porcelain resistance carrier should be examined for presence of cracks. II. MAIN SWITCH UNIT. (1) Assuming that the main copper contacts have been duly corrected, if… | ||
| scan0151 | Continuation of testing procedures for a main switch, detailing electrical and mechanical verifications. | ||
| View original record | Contd. -3- EFC/T9.3.26. (5) Verify that the main spring tension (combined rating and set) is such that a current of not more than ? 1.5 amperes through the coil and non-inductive resistance in… | ||
| scan0152 | Specification table for various gap measurements of a relay switch. | ||
| View original record | Contd. -4- EFC/T9.3.26. SECTION III. RELAY SWITCH. (1) Check over the various gaps which should be in accordance with the following table :- Position. Gap at upper contact. Gap between pole core &… | ||
| scan0153 | Test procedures for a relay switch unit, outlining current, voltage, and spring load specifications. | ||
| View original record | EFC. -5- Contd. (2) The fine wire coil shall be connected to the terminals of a six volt battery and the current taken at 6 volts at atmospheric temperature shall lie between 2.0 and 2.2 amperes. (3)… | ||
| scan0154 | Production test table for S.S. Sliding Armature Starter Motors. | ||
| View original record | K8781 sm. PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR. | Date | Motor desig. | (1) (a)(b)(c)(d)(e)(f) Remarks. | (2) & (3) Remarks. | (4) Amperes ≯ 30 | (5) Remarks | (6) Amperes ≯ 13… | ||
| scan0155 | Tabular data sheet logging motor test results for brake torque, current, and speed. | ||
| View original record | -2- | Date | Motor desig. | (8) Brake torque > 20 lb-inches. | Current 13 to 15 amperes. | (9) Brake torque < 900 lb-ins | Speed | (10) Remarks | (11) Remarks | (12) Torque lb-ins 50-250 | (13)… | ||
| scan0156 | Production test table for S.S. Sliding Armature Starter Motors. | ||
| View original record | PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR Table Columns: 1. Date. 2. Motor design 3. (1) (a)(b)(c)(d)(e)(f) Remarks 4. (2) & (3) Remarks 5. (4) Amperes > 30 6. (5) Remarks 7. (6)… | ||
| scan0157 | Performance test log sheet for various motor designs, recording brake torque, current, speed, and remarks. | ||
| View original record | -2- Date | Motor design | (8) Brake torque >20 to 36 lb-inches | Current 13 to 15 amperes | (9) Brake torque <900 lb-ins | Speed | (10) Remarks | (11) Remarks | (12) Torque lb-ins 50-250 | (13) Remark… | ||
| scan0158 | Production test table for S.S. Sliding Armature Starter Motors. | ||
| View original record | PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR. Date | Motor desig n. | (1) (a)(b)(c)(d)(e)(f) Remarks. | (2) & (3) Remarks. | (4) Amperes ≠ 30 | (5) Remarks | (6) Amperes ≠ 13 | (7)… | ||
| scan0159 | Test log sheet recording performance data for various motors, including torque, current, speed, and noise levels. | ||
| View original record | -2- Date | Motor desig. | (8) Brake torque > 20 lb-inches. | Current 13 to 15 amperes. | (9) Brake torque 900 lb-ins | Speed | (10) Remarks | (11) Remarks | (12) Torque lb-ins 50-250 | (13) Remarks --… | ||
| scan0160 | Production test table for an S.S. sliding armature starter motor. | ||
| View original record | PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR. Date | Motor desig'n. | (1)(a)(b)(c)(d)(e)(f) Remarks | (2) & (3) Remarks | (4) Amperes ≯ 30 | (5) Remarks | (6) Amperes ≯ 13 | (7)… | ||
| scan0161 | Test log sheet recording motor performance metrics like brake torque, current, and speed. | ||
| View original record | -2- Date Motor desig (8) Brake torque > 20 lb-inches. Current 13 to 15 amperes. (9) Brake torque ≤ 900 lb-ins Speed (10) Remarks (11) Remarks (12) Torque lb-ins 50-250 (13) Remarks 11.7.29 AT WJ.35… | ||
| scan0162 | Production test table for S.S. Sliding Armature Starter Motors. | ||
| View original record | PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR. Date | Motor desig. | (1)(a)(b)(c)(d)(e)(f) Remarks. | (2) & (3) Remarks. | (4) Amperes => 30 | (5) Remarks | (6) Amperes ≠ 13 | (7)… | ||
| scan0163 | Test log sheet detailing performance metrics for various motor designs, including brake torque, current, and speed. | ||
| View original record | -2- | Date | Motor design | (8) Brake torque > 20 lb-inches. | Current 13 to 15 amperes. | (9) Brake torque < 900 lb-ins | Speed | (10) Remarks | (11) Remarks | (12) Torque lb-ins 50-250 | (13)… | ||
| scan0164 | Production test table results for S.S. Sliding Armature Starter Motors. | ||
| View original record | PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR | Date. | Motor design | (1) (a)(b)(c)(d)(e)(f) Remarks | (2) & (3) Remarks | (4) Amperes >/= 30 | (5) Remarks | (6) Amperes >/= 13 | (7)… | ||
| scan0165 | Test log sheet recording performance data for various motors, including torque, current, and speed. | ||
| View original record | -2- | Date | Motor design | (8) Brake torque 20 to 35 lb-inches | Current 13 to 15 amperes | (9) Brake torque >900 lb-ins | Speed | (10) Remarks | (11) Remarks | (12) Torque lb-ins 50-250 | 13 & (14)… | ||
| scan0166 | Production test table for S.S. Sliding Armature Starter Motors, listing test results for various motor designs. | ||
| View original record | PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR Date. | Motor design | (1) (a)(b)(c)(d)(e)(f) Remarks | (2) & (3) Remarks | (4) Amperes > 30 | (5) Remarks | (6) Amperes > 13 | (7) Remarks… | ||
| scan0167 | Test log sheet recording motor performance metrics including brake torque, current, and speed. | ||
| View original record | Top of page: -2-, 10+ Table Headers: Column 1: Date Column 2: Motor design Column 3: (8) Brake torque 20 to 36 lb-inches Column 4: Current 13 to 15 amperes Column 5: (9) Brake torque <900 lb-ins… | ||
| scan0168 | Production test table for S.S. sliding armature starter motors. | ||
| View original record | PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR Date. | Motor design | (1) (a)(b)(c)(d)(e)(f) Remarks | (2) & (3) Remarks | (4) Amperes > 30 | (5) Remarks | (6) Amperes > 13 | (7) Remarks… | ||
| scan0169 | Log sheet detailing test results for various motor designs, including torque, current, and speed measurements. | ||
| View original record | -2- Date | Motor design | (8) Brake torque 20 to 60 lb-inches | Current 13 to 15 amperes | (9) Brake torque ~900 lb-ins | Speed | (10) Remarks | (11) Remarks | (12) Torque lb-ins 50-250 | (13) Remarks… | ||
| scan0170 | Production test table for a S.S. Sliding Armature Starter Motor. | ||
| View original record | PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR | Date. | Motor design | (1) (a)(b)(c)(d)(e)(f) Remarks | (2) & (3) Remarks | (4) Amperes ≯ 30 | (5) Remarks | (6) Amperes ≯ 13 | (7)… | ||
| scan0171 | Test log sheet recording performance data for various motor designs. | ||
| View original record | -2- Date | Motor design | (8) Brake torque 20 to 36 lb-inches | Current 13 to 15 amperes | (9) Brake torque 4,900 lb-ins | Speed | (10) Remarks | (11) Remarks | (12) Torque lb-ins 50-250 | (13)… | ||
| scan0172 | Production test table for S.S. Sliding Armature Starter Motors. | ||
| View original record | PRODUCTION TEST TABLE OF S.S. SLIDING ARMATURE STARTER MOTOR | Date. | Motor design | (1) (a)(b)(c)(d)(e)(f) Remarks | (2) & (3) Remarks | (4) Amperes 30 | (5) Remarks | (6) Amperes 13 | (7) Remarks |… | ||
| scan0173 | Test log sheet recording performance data for various motor designs, including torque, current, and speed. | ||
| View original record | Top of page: -2- TABLE HEADERS: Column 1: Date Column 2: Motor design Column 3: (8) Brake torque 20 to 36 lb-inches Column 4: Current 13 to 15 amperes Column 5: (9) Brake torque ≥900 lb-ins Column 6:… | ||
| scan0174 | Specification for the production test of the R.R. EAC switchbox for 'V' series chassis. | ||
| View original record | X8781sb EFCl/T30.1.25. To BY. from EFC. c. SFT/Mr. Brock. c. SFT. X.8781sb. PRODUCTION TEST OF R. R. EAC. SWITCHBOX. X8730 Herewith please receive copy of Specification of Production Inspection,… | ||
| scan0175 | Specification for the production inspection and testing of a switchbox. | ||
| View original record | 22.1.25. X.8781sb. SWITCHBOX (R.R.) FOR EAC. X.8730. SPECIFICATION OF PRODUCTION INSPECTION & TEST. (1) Inspect the following points :- (a) The switch motion for correct operation as judged by the… | ||
| scan0176 | Continuation page of instructions for testing various electrical terminal combinations and light functions. | ||
| View original record | -2- Contd. (2) With HS and T switched on, light is obtained from terminals Nos. 4 & 5. (3) With B only switched on, light is obtained from terminal No.3 only. (4) With M, B & C switched on, light is… | ||
| scan0177 | Specification document for the production inspection and testing of a switchbox for a 40/50 chassis. | ||
| View original record | V8781sb X.8781sb. SWITCHBOX (RR.) FOR 40/50 CHASSIS. X.8730. SPECIFICATION OF PRODUCTION INSPECTION & TEST. (1) Inspect the following points :- (a) The switch motion for correct operation as judged by… | ||
| scan0178 | Continuation of a procedure for testing electrical circuits and terminals. | ||
| View original record | -2- Contd. (1) With S and T switched on, light is obtained from terminal No.5 only. (2) With HS and T switched on, light is obtained from terminals Nos. 4 & 5. (3) With B only switched on, light is… | ||
| scan0179 | The Watford magneto with a thicker cover plate. | ||
| View original record | 8797 RR 68 (250T) (DB 925 8-5-25) J.H.D. EAC.II WATFORD MAGNETO WITH THICKER COVER PLATE. | ||
| scan0180 | Remarks on Watford Magnetos for EAC and the testing of an EO.6 magneto left by Mr. North. | ||
| View original record | X.8797. EFC.from Wd. Wd10/NJ9.12.25. X.8796 - Watford Magnetos for EAC. X 8797 The remarks in EFC3/T26.11.25 were duly communicated to North & Sons Ltd. and yesterday Mr.North visited us and discussed… | ||
| scan0181 | Instructions and test results for a Watford E06 magneto, No. 87407. | ||
| View original record | RR 238 (150 BKS.) (SH57.29-6-20.) MP 224358 X.8797. ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.F.b Order No.: WB63 Customer's No.: X8796 Date: 11-Dec 1925 Watford E06 Magneto NO 87407 This magneto is one… | ||
| scan0182 | Instruction note regarding a noise nuisance in tested Watford machines and proposed modifications. | ||
| View original record | RR 238 (150 BKS.) (SH57. 29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. Customer's No. 19 the majority of Watford machines that we have tested! Messrs Norths have not thoroughly… | ||
| scan0183 | Performance issues with a modified Watford magneto and requesting its replacement. | ||
| View original record | x8797 To Hs./Mr. Lidsey. EFC6/T17.12.25. RE WATFORD MAGNETOS. Herewith we hand to you Watford magneto No.87407 This has been made up by Messrs. Norths with, in addition to the ordinary up-to-date… | ||
| scan0184 | Letter from North & Sons Limited discussing technical details of magnetos, slip rings, and pick-ups. | ||
| View original record | X8797 COPY OF LETTER FROM:- NORTH & SONS LIMITED., WHIPPENDELL ROAD, WATFORD. Our ref. CHK/HC.20. Your ref. Wd11/NJ171225. 18th December, 1925 Messrs. Rolls-Royce Ltd., DERBY Dear Sirs, X8796 We beg… | ||
| scan0185 | Letter from North & Sons Ltd. regarding the decision to revert to ebonite for magneto moulds. | ||
| View original record | 18.12.26. -2- Contd. Now that the magneto is fitted in a position where the temperature is lower we think it would be advisable to revert to ebonite and are making moulds for this material which will… | ||
| scan0186 | The fitting of a Watford magneto to vehicle 44-PK, replacing a B.T.H. magneto. | ||
| View original record | V8794 To RHC. from EFC. EFC4/T30.12.25. X.8796 - WATFORD MAGNETO. The Watford magneto No.87407 which we handed to Mr. Lidsey for 44-PK has, we understand, been handed to you as it requires some… | ||
| scan0187 | Experimental testing of a modified Watford magneto with a thicker cover to reduce noise for the New Phantom. | ||
| View original record | X8794 Ro Wd. from EFC. EFC3/T29.1.26. X.8796 - WATFORD MAGNETOS FOR NEW PHANTOM. Referring particularly to Watford magneto (EO6) No.87407 which was brought up by Mr. North on his last visit, this… | ||
| scan0188 | Proposal from North & Sons Ltd. regarding Watford magnetos for the New Phantom. | ||
| View original record | V8799 EFC.from Wd. Wd3/K10.2.26. X.8796. WATFORD MAGNETOS FOR NEW PHANTOM. In reply to yours EFC3/T29.1.26, North & Sons Ltd., have written us as follows:- "After consideration of the matter we think… | ||
| scan0189 | Requesting two Watford magnetos with aluminium armature cover plates for use on experimental cars. | ||
| View original record | X8794 To Wd. from EFC. EFC1/T11.2.26. X.8796 - WATFORD MAGNETOS. Answering your Wd3/K10.2.26, we should like to have two magnetos arranged as suggested, with the aluminium armature cover plate, for… | ||
| scan0190 | Electrical experimental record sheet for a Watford E06d magneto, number 87407. | ||
| View original record | X8797 ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No:- 8797 Watford E06d magneto No 87407 (Thicker Alum'm plate) (and modified HT Pick up) | Date on. | Location. | Date off. | REMARKS. | Miles reading… | ||
| scan0191 | Production inspection and test results for the Watford Type EC6 (d) Magneto. | ||
| View original record | X8796 X.B781m - WATFORD TYPE EC6 (d) MAGNETO. X.4181d. PRODUCTION INSPECTION AND TEST. Table Columns: Date. Magneto No. (1) Remarks. (2) Range (degrees) (<- 58º) (3) Remarks. (4) Tangl. Force 3 to 5… | ||
| scan0192 | Instructions for modifying a Watford E06 magneto with a thicker aluminium armature cover plate to reduce noise. | ||
| View original record | RR 238 (150 BKS.) (SH57. 29-6-20.) MP 224358 X8797 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.B. Date 19 - 7 - 1926. Order No. WB95 Customer's No. X8797 Watford E06 magneto with thicker aluminium armature… | ||
| scan0193 | Test report on a modification to reduce noise in magnetos, including mileage data. | ||
| View original record | RR 238 (150 BKS.) (SH57.29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. Customer's No. Test report from Mr Lidsey is [struck through] that they are certainly quiet and he considers… | ||
| scan0194 | Instruction sheet for the conversion of a Watford magneto and its subsequent fitting to chassis 9EX. | ||
| View original record | RR 238 (150 BKS.) (SH57. 29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.B. Order No. WB97 Customer's No. X8796 23 - 7 - 1926 Watford Magneto No 73972 This magneto has now been converted to… | ||
| scan0195 | Request to order a new Cast Aluminium Dust Cover and modified brush for a Watford Magneto for testing purposes. | ||
| View original record | wd. c. to EFC. X8797 BY/Cgh8/G.11.10.26. WATFORD MAGNETOS. ----------------- The Experimental Department find that the Cast Aluminium Dust Cover over the armature reduces noise and seems preferable to… | ||
| scan0196 | Confirmation memo regarding two Watford EO6 magnetos modified with thicker aluminium armature cover plates. | ||
| View original record | To RHC. from EFC. c. Hs/AJL. X8797 EFC1/T9.11.26. X.8797 - WATFORD EO6 MAGNETOS WITH THICKER ARMATURE COVER PLATE. This is to confirm that there are ready in your Expl. Stores two Watford EO6… | ||
| scan0197 | The modification and receipt of an EO.6 Type Watford Magneto. | ||
| View original record | By.from Wd. c.to EFC. X8797 Hs Nov 9 1926 Wd8/NJ9.11.26. EO.6 Type Watford Magnetos RECEIVED Upon receipt of By/Cgh8/G11.10.26, we wrote North & Sons Ltd. informing them that our Experimental Dept.… | ||
| scan0198 | Experimental parts received for a Watford EO6 magneto for noise reduction trials. | ||
| View original record | X8797.G EFC6/T26.11.26. RE WATFORD MAGNETOS. X.8796. We have to-day received from Mr. Maddocks a Watford EO6 magneto (No 9420) with the following experimental items :- (1) Ebonite pick-up. (2) Plain… | ||
| scan0199 | Watford magneto with a thicker armature cover plate. | ||
| View original record | To Mx. from EFC. X8797 EFC3/T29.11.26. X.8797. WATFORD MAGNETO WITH THICKER ARMATURE COVER PLATE. No 89458 Herewith we hand to you the magneto with thicker armature cover plate as arranged. EFC. | ||
| scan0200 | Electrical experimental record sheet for a Watford E06 Magneto, tracking its testing and mileage. | ||
| View original record | X8797 ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No:- 8797 (Thicker Alum. plate) Watford E06 Magneto NO 89479 (and modified H.T. Pick up) Date on. | Location. | Date off. | REMARKS. | Miles reading… | ||
| scan0201 | Requesting the return of a Watford Magneto with a report. | ||
| View original record | x87926 To Mx. from EFC. EFC3/T1.12.26. X.8797. WATFORD MAGNETO WITH THICKER ARMATURE COVER PLATE. No.89458. Further to our EFC3/T29.11.26, we should be pleased if you would return the above magneto… | ||
| scan0202 | Test report on a Watford Magneto with a thicker armature cover plate, which was found to offer no improvement and had excessive vibration. | ||
| View original record | X8797 a EFC c By c Vd from Mx. Mx17/T1.12.26 X8797. WATFORD MAGNETO WITH THICKER ARMATURE COVER PLATE. NO. 89456 EFC3/T29.11.26 and EFC3/T1.12.26. We have tested out this magneto, and our conclusions… | ||
| scan0203 | Testing and dispatch of a thicker armature cover plate for Watford magnetos. | ||
| View original record | X8797 a To Mx. from EFC. c. Ry. Wd. EFC5/T2.12.26. X.8797 - THICKER ARMATURE COVER PLATE FOR WATFORD MAGNETOS. Reference your Mxl/T1.12.26. The explanation of this is probably that this particular… | ||
| scan0204 | The thicker armature cover plate for Watford magnetos and the delivery of modified units. | ||
| View original record | EFC. from Wd. c. to Mx. c. to By. X8797 Wd2/NJ.6.12.26. X.8797 - Thicker Armature Cover Plate for Watford Magnetos. With reference to Mx17/T1.12.26 and EFC5/T2.12.26, I think it advisable to put on… | ||
| scan0205 | The interchangeability and trial status of thicker armature cover plates for Watford magnetos. | ||
| View original record | X8797 To Wd. from EFC. c. Mx. By. EFC3/T7.12.26. X.8797 - THICKER ARMATURE COVER PLATE FOR WATFORD MAGNETOS. With reference to your Wd2/NJ6.12.26, this thicker armature cover plate and modified H.T.… | ||
| scan0206 | Reporting that a thicker armature cover plate for Watford magnetos offers no quietness advantage. | ||
| View original record | EFC By Wd. from Mx. X8797 Mx9/T7.12.26 X.8797. - THICKER ARMATURE COVER PLATE FOR WATFORD MAGNETOS. Reference your memo EFC5/T2.12.26 We have tried the thicker Armature Cover Plate on several… | ||
| scan0207 | Preference for sheet metal covers over cast aluminium covers for Watford Magnetos. | ||
| View original record | X8797 By/from Wd. c.to EFC. c.to Mx. Wd3/NJ20.12.26. EO.6 Type Watford Magnetos. Please refer to By/Cgh8/Gll.10.26, Mx17/T1.12.26, EFC5/T2.12.26, EFC3/T7.12.26 and Mx9/T7.12.26. In view of the report… | ||
| scan0208 | Electrical experimental record sheet for the Watford E06 magneto NO 73972. | ||
| View original record | X8797 ELECTRICAL EXPERIMENTAL RECORD SHEETS X.&No:- 8797 Watford E06 magneto NO 73972 (Thicker aluminium armature cover plate + modified HT pick up.) | Date on. | Location. | Date off. | REMARKS. |… | ||
| scan0209 | Electrical experimental record sheet for a Watford E06 magneto, number 85253. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS X.&No:-8797 Watford E06 magneto No 85253 (Thicker aluminium armature cover plate and modified H.T pick up) Date on. | Location. | Date off. | REMARKS. | Miles… | ||
| scan0210 | Experimental record sheet for a Watford E06 Magneto, serial number 89458, tracking its testing and usage. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS. X. No: 8797 Watford E06 Magneto No 89458 Handwritten notes: (Thicker Alum m/c plate) (and modified HT pickup) Table Columns: Date on., Location., Date off.,… | ||
| scan0211 | Letter to Messrs. North & Sons Ltd. regarding a revised specification for a 6-Cylinder Magneto for the 40/50 HP Car. | ||
| View original record | V8796 EFC3/T. 27th October, 1927. Messrs. North & Sons Ltd., Whippendell Road, WATFORD. Dear Sirs, Enclosed please find our right up-to-date revised Specification of Performance of 6-Cylinder Magneto… | ||
| scan0212 | Watford Magneto with an enclosed armature tunnel. | ||
| View original record | X.87976 RR 68 (130T) (DB 923 8-5-25) J.H.D. WATFORD MAGNETO WITH ENCLOSED ARMATURE TUNNEL. | ||
| scan0213 | The noise testing of a Watford E06 magneto with an enclosed armature tunnel. | ||
| View original record | RR 238 (150 BKS.) (SH57. 29-6-20.) MP 224358 X.8797 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.7.b Date 17-12-1926 Order No. WB121 Customer's No. X-8796 Watford E06 magneto NO 94201 with enclosed armature… | ||
| scan0214 | Instructions for reducing magneto noise by testing different cams and materials on an experimental chassis. | ||
| View original record | RR 238 (150 BKS.) (SH57.29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. Customer's No. 19 would probably be reduced by using cams like the Lucas or B.T.H. This magneto we suggest… | ||
| scan0215 | Fitting an experimental Watford E06 magneto with a silence modification to chassis 10-EX. | ||
| View original record | X8797b To Hs/AJL. from EFC. EFC5/T17.12.26. X.8797. WATFORD E06 MAGNETO No.94201 WITH ENCLOSED ARMATURE TUNNEL. This is an experimental Watford E06 magneto with a silence modification which has not… | ||
| scan0216 | Return of modified parts and fitting of standard parts for three EO6 Type Watford Magnetos. | ||
| View original record | To Wd. from EFC. X8797 EFC6/T10.1.27. EO6 TYPE WATFORD MAGNETOS. X.8797. In accordance with your note Wd3/NJ20.12.26, we hand you herewith three cast aluminium covers and modified pick-ups from… | ||
| scan0217 | Production and testing of Watford magnetos with enclosed armature tunnels and all-bakelite gears. | ||
| View original record | To BY. Wd. c. Mx. from EFC. X87976 EFC/T19.2.27. (2nd Copy) WATFORD MAGNETO NO.94201 with ENCLOSED ARMATURE TUNNEL. We confirm that it would be desirable from our point of view for Messrs. North to… | ||
| scan0218 | Outlining a 10,000-mile test plan involving various gear configurations for different machines. | ||
| View original record | Contd. -2- EFC/T19.2.27. would have to run a 10,000 mile test. We take it, therefore, at least that you will advise Messrs. North that we suggest two of the machines in question should have our… | ||
| scan0219 | The noise level of a Watford E06 Magneto No. 94201 compared to the standard E06 model. | ||
| View original record | EFC. COPY WB.121. 17.12.26. WATFORD E06 MAGNETO No.94201 WITH ENCLOSED ARMATURE TUNNEL. We received this magneto from Mx. with a berval report to the effect that it was much quieter in operation than… | ||
| scan0220 | Receipt of four Watford EO6 magnetos and considerations for their experimental modification. | ||
| View original record | To Wd. from EFC. c. BY Mx. c. Mr. Payne. X8792 EFC3/T23.3.27. WATFORD EO6 MAGNETO WITH ENCLOSED ARMATURE TUNNEL We have received the four magnetos and have noted that these are all standard machines… | ||
| scan0221 | Four EO.6 Type Watford Magnetos with enclosed armature tunnels received from North & Sons Ltd. | ||
| View original record | By. from Wd. c.to EFC. c.to Mx. X8797 Wd2/NJ23.3.27. EO.6 Type Watford Magneto with enclosed Armature Tunnel. Referring to EFC1/T19.2.27 and By5/H21.2.27, I send you herewith copy of letter from North… | ||
| scan0222 | Letter from a supplier regarding modifications and testing of magnetos with bakelite versus aluminium wheels. | ||
| View original record | Copy of letter received from:- Messrs. North & Sons Ltd., Whippendell Road, WATFORD. Ref. Wd10/NJ21227. CHK/HC.9. 22nd March, 1927. Messrs. Rolls Royce Limited, DERBY. Dear Sirs, In further reply to… | ||
| scan0223 | Trial of four special Watford magnetos for quietness. | ||
| View original record | X8797 EFC. BY8/H. 24.3.27. E.O.6. TYPE WATFORD MAGNETO WITH ENCLOSED ARMATURE TUNNELS. Referring to the four special magnetos which have been sent to us by Messrs North, it appears to me that the best… | ||
| scan0224 | Material choice for the gears and armature tunnel of a Watford E.O.6. magneto. | ||
| View original record | X8797 EFC. BY4/H. 25.3.27. WATFORD E.O.6. MAGNETO WITH ENCLOSED ARMATURE TUNNEL IN ONE PIECE. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - With reference to my previous memo, and… | ||
| scan0225 | Tests on the Type Watford Magneto with enclosed Armature Tunnels. | ||
| View original record | X8797 By EFC [Struck through] W.H.S. [Struck through] from Mx. Mx6/T25.3.27 EO.6. Type Watford Magneto with enclosed Armature Tunnels. By 8/H+4327 We are pushing ahead with all speed in our tests of… | ||
| scan0226 | Follow-up memo requesting a report on the Watford EO6 type magneto with an enclosed armature tunnel. | ||
| View original record | X879Z To Mx. from EFC. EFC4/T25.4.27 WATFORD EO6 TYPE MAGNETO WITH ENCLOSED ARMATURE TUNNEL. Referring to your Mx6/T25.3.27, we shall be pleased to know if you are yet able to issue the report to… | ||
| scan0227 | Test report on Watford EO.6 Type Magnetos, detailing a failure during high-speed testing. | ||
| View original record | EFC V687976 Mx/McMB/T26.4.27 re Watford EO.6. Type Magneto with enclosed armature tunnel. In reply to your EFC4/T25.4.27, we are not yet in a position to make a complete report on these magnetos. So… | ||
| scan0228 | Preliminary test report on the Watford EO.6 Type Magneto with an enclosed armature tunnel. | ||
| View original record | Copy. X8797 EFC. MX/RCMB/T.26.4.27. re Watford EO.6. Type Magneto with enclosed armature tunnel. In reply to your EFC4/T.25.4.27. we are not yet in a position to make a complete report on these… | ||
| scan0229 | The return of two noisy Watford EO.6 type magnetos following testing and a phone conversation. | ||
| View original record | EFC. X8797 Mx/McM12/T27.4.27 re Watford EO.6. type Magnetoswith enclosed armature tunnel. Further to our Mx/McM8/T26.4.27, and confirming Mx's 'phone conversation with you this afternoon, another… | ||
| scan0230 | Investigation report on noisy and misfiring issues in two Watford E.O.6 magnetos. | ||
| View original record | Copy. X8797 EFC. --- WC.13. 2.5.27. ----- X.8796. Watford E.O.6. Magnetos Nos.96128 and 96130 with enclosed armature tunnels. --------------------------------------------------------- These two… | ||
| scan0231 | Collection of two Watford EO6 magnetos by a Mr. North. | ||
| View original record | X.8797. 3rd. May, 1927. With reference to Watford EO6 magnetos with enclosed armature tunnel Nos.86128 and No.96130, these have to-day been taken away by Mr. North, and have been booked out in the… | ||
| scan0232 | Test report on two Watford EO.6 magnetos finding them no better than the current standard. | ||
| View original record | EFC x8797 Mx/McM3/T18.5.27. Watford EO.6. Magneto with enclosed armature tunnel. EFC4/T25.4.27 Further to our Mx/McM12/T27.4.27. The chassis to which the remaining 2 magnetos were fitted have now… | ||
| scan0233 | Return of Watford E0.6 Magnetos with enclosed armature tunnels. | ||
| View original record | EFC X8792 Mx/McM2/T20.5.27. re Watford E0.6. Magnetos with enclosed Armature tunnel. Further to our Mx/McM3/T18.5.27, we return herewith magnetos 96129 and 96135. Mx/McM | ||
| scan0234 | The return and replacement of Watford EC6 magnetos. | ||
| View original record | X8797 To ROY. from EFC. c. BY. EFC2/T20.5.27. WATFORD EC6 MAGNETOS WITH ENCLOSED ARMATURE TUNNEL. We have now received back from Mx. the two other magnetos of this type, Nos. 96129 and 96135, together… | ||
| scan0235 | Electrical experimental record sheet for a Watford E06 magneto, number 85836. | ||
| View original record | X8797 ELECTRICAL EXPERIMENTAL RECORD SHEETS [modified ebonite HT pick up] X.&No:- 8797 Watford E06 magneto NO 85836 fitted with Date on. | Location. | Date off. | REMARKS. | Miles reading start. |… | ||
| scan0236 | Electrical experimental record sheet for a Watford E06 magneto, number 94201. | ||
| View original record | X8797 ELECTRICAL EXPERIMENTAL RECORD SHEETS X. & No: - 8797 Watford E06 magneto No 94201 with enclosed [Armature tunnel, all bakelite gear wheels and plain dist bearing] Date on. | Location. | Date… | ||