Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Development and design of a sequence silent starter for large chassis engines. | ||
| View original record | X8650 To EY. } from R. EFC. Hs. c. to CJ. BJ. c. to RG. PN. R2/M10.12.23. SEQUENCE SILENT STARTER X.4168b. X.9620. X.9650. We have had in hand for some time quite a promising scheme of starter for our… | ||
| scan0002 | Technical memorandum detailing the components and operation of a new starter system. | ||
| View original record | SECRET To RG & Da. from R. c. to CJ. BJ. Wpr. EFC. HS. Bv. EP. E.A.C.1 & 2. R3/M1.1.24. RE STARTER X.9650 X.9620. SYSTEM. You will remember that we are fitting our own RR. system of sequence silent… | ||
| scan0003 | Typed memorandum discussing design specifications for an electromagnetic component. | ||
| View original record | -2- R3/M1.1.24. We have arranged convenient copper strips and connections and this rish should ensure the magnet acting against a good pull off spring which is necessary for establishing a good… | ||
| scan0004 | Patenting improvements to the sequence silent starter. | ||
| View original record | X.8650 E3/M3.1.24. To BY/NW. from E. c. to BJ. EFC. BY. Hs. RE IMPROVED SEQUENCE SILENT STARTER. X.4168B. X.8650. We thank you for your memo BY/NW6/VM21.12.23., and for copy of specification… | ||
| scan0005 | On the progress of work for the silent sequence starter for the EAC engine. | ||
| View original record | X.9650 To R. from E. S E C R E T. E4/M28.2.24. c. to CJ. RG. WOR. HS. BY. RE. SILENT SEQUENCE STARTER. X.9650 ------------------------------------------------ The starter motor drive and mounting for… | ||
| scan0006 | Secret memo regarding production considerations for the ERC.II model and a proposed relocation of the starter motor. | ||
| View original record | X4650 S E C R E T To E. & EFC. from R. c. CJ. BJ. RG. WOR. DA. HS. BY. R3/M29.224. EAC.II & IV. X.9320. X.9620. X.9650. X.9770. Owing to output considerations Mr. Johnson and I arranged that this… | ||
| scan0007 | Desirability and placement of a fuse for the silent starter gear electrical circuit. | ||
| View original record | X9650 To BY/RD. from EFC. E.A.C. EFC5/T3.7.24. X.9650 - EAC: SILENT STARTER GEAR. X8730 Answering your query with reference to the desirability of a fuse for the electrical circuits of the silent… | ||
| scan0008 | From W.H. Reynolds & Co. enclosing sample rivets made from a 10% gold and 90% silver alloy. | ||
| View original record | X8650 999 MEMO. FROM W. H. REYNOLDS & Co. (RICHARD JOHN DINGLEY, PROPRIETOR.) KEY HILL DRIVE, BIRMINGHAM. SPECIALISTS IN IGNITION CONTACTS, PRECIOUS METAL DEALERS, ETC. TELEPHONE CENTRAL 1472 TEL:… | ||
| scan0009 | Instruction memo regarding sample nuts and a letter from W H Reynolds & Co. | ||
| View original record | RR 38 (10M BKS.) (DH 671-9-1-24) MP 285112 X 8650 ROLLS-ROYCE LTD. INSTRUCTIONS To E.F.C. 6/19 1924 Order No. Customer's No. Herewith some sample nuts together with letter from WH Reynolds & Co. .… | ||
| scan0010 | Set of contact rivets in solid 10% gold-silver alloy for a silent starter gear. | ||
| View original record | X8650 S E C R E T. --------- To RHC. from EFC. EFC9/T7.10.24. X.8650. SILENT STARTER GEAR. We hand you herewith a set of contact rivets in solid 10% gold-silver alloy, comprising:- D.70505. Fixed… | ||
| scan0011 | Eureka wire as an alternative to nichrome wire for the EAC silent starter gear. | ||
| View original record | X.8650 S E C R E T. To BY/RD. from EFC. EFC6/T7.10.24. X.8650. EAC. SILENT STARTER GEAR. With reference to the fact that the nichrome wire recommended in our EFC4/T26.4.24, will not solder or braze… | ||
| scan0012 | Gap measurements for an automatic main switch and auxiliary switch. | ||
| View original record | X.8650 EFC. X.8650. AUTOMATIC SWITCH. E.A.C.II. Following our conversation and the suggestion by you to increase the length of the poles on the above switch, to reduce the gap, - below we give you a… | ||
| scan0013 | Test report and improvement suggestions for a silent starter gear main and relay switch unit. | ||
| View original record | X8650 SECRET To RHC. from EFC. c. BY/RD. E. A. C.II. EFC3/T15.10.24. SILENT STARTER GEAR. MAIN AND RELAY SWITCH UNIT. We have tested the first of these units in the condition in which it was handed to… | ||
| scan0014 | Required adjustments for springs, contacts, and a relay unit for further testing. | ||
| View original record | Contd. -2- EFC3/T15.10.24. and does not give the spiral spring an opportunity of working effectively. Further, the carbon contacts want ree arranging so as to give the necessary main contact gap of… | ||
| scan0015 | Potential modifications to a main switch, including its brush contact, air gaps, and lever. | ||
| View original record | EFC3/T15.10.24. -3- Contd. It is not considered that for the moment the brush contact on the main switch should be altered from its present rigidity. With correct bedding of this switch there will be… | ||
| scan0016 | Preliminary tests and required alterations for the EAC Silent Starter Gear. | ||
| View original record | To BY. from EFC. c. BY/RD. X8650 EFC3/T4.11.24. X.8650. EAC. SILENT STARTER GEAR. We have now made preliminary tests of the first set of these units made in the Expl. Dept.. and as a result of these… | ||
| scan0017 | Modifications to electrical windings for a motor, actuator coil, and relay switch unit. | ||
| View original record | -2- Contd. As regards the electrical figures of volts and amperes, these apply to the windings as at present arranged and will certainly have to be altered (see below) but as these do not affect Mr.… | ||
| scan0018 | Continued note regarding heavy current winding strips for a starter motor. | ||
| View original record | -3- Contd. It is hoped and thought that this heavy current winding strip will still be of the same section at least as the main field winding on the starter motor. The main switch operating winding… | ||
| scan0019 | Two faults observed with the EAC.11 engine's electrical starter unit. | ||
| View original record | R.R. 490A (BOH) (D.A. 652 20-3-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. X8650 REF: Hs9/LG5.11.24. To R. from Hs. c. to CJ. BJ. c. to E. BY. c. to DA. Wor. SECRET. EAC.11. ELECTRICAL UNITS. X8650… | ||
| scan0020 | The EAC Silent Starter Gear, detailing circuit connections and the sequence of operations. | ||
| View original record | To R. & E. from EFC. c. CJ. & PN. c. BY. BP. Mx. c. Wor. Ds. Hs. X 8650 EFC3/T7.11.24. X. 8650. EAC. SILENT STARTER GEAR. Attached to R's copy of this report will be found a blueprint diagram of… | ||
| scan0021 | Preliminary bench tests on switch units and actuator box components. | ||
| View original record | Contd. -2- EFC3/T7.11.24. Preliminary tests made on the bench with the switch units in mechanical adjustment carefully considered to be suitable, and with windings as originally arranged, indicated… | ||
| scan0022 | Alterations to motor windings and bye-pass resistance for improved starting and reliability. | ||
| View original record | Contd. -3- EFC3/T7.11.24. been judged to be O.K. (the second by taking the flux/exciting current curve of the motor), permitted the flow of additional current through the armature and so increasing… | ||
| scan0023 | Technical memorandum discussing the operation of an actuator box and potential improvements to resolve an operational 'thump'. | ||
| View original record | Contd. -4- EFC3/T7.11.24. As regards the actual operation, apparently the actuator box is only intended to bring the gears just into mesh before the actuator box contact is made, which causes the main… | ||
| scan0024 | Recommended alterations for a silent starter unit. | ||
| View original record | X8650 To RHC. from EFC. c. BY. BY/RD. EFC/T20.11.24. X.8650. EAC. SILENT STARTER. It is understood that R. agrees this needs considerable alteration. Presumably he is now working on this and we may… | ||
| scan0025 | Secret memo regarding a cushion drive modification to eliminate a thump in the starter drive. | ||
| View original record | X 8650 To EY. from AJS. c. to Hs. S E C R E T AJSL/M20.11.24. E. A. C. SEQUENCE STARTER X.8650. With a view to eliminating the thump experienced by Hs. on the starter drive as originally designed, we… | ||
| scan0026 | The replacement of the 'pot' type coupling and the adoption of a new starter for the 'W' Series engine. | ||
| View original record | X8650 BY1A/H. 3. 12. 24. D. Dept. C.E. C. Hd. "W" SERIES. Owing to the fact that the engine does not run as sweetly with the "pot" type of coupling between the clutch and the gear box, H is very… | ||
| scan0027 | Wiring diagram of connections for a Sequence Silent Starter system. | ||
| View original record | Push Button Switch BATTERY EARTH Blue and White BLACK Black and Yellow BLACK Red and Green Red + Main + Teazer S.S. MOTOR .343 EPICYCLIC GEAR .15 ω ACTUATOR UNIT 140 TURNS. 17 S.W.G. TERMINAL STUD E… | ||
| scan0028 | Modifications to a fabric engine coupling and an epicyclic starter gear for 'V' series engines. | ||
| View original record | To By. from AJS. c. to R. CJ. Hs. S E C R E T. x 8650 AJS1/M9.1.25. E. A. C. FABRIC ENGINE COUPLING AND MODIFIED X.8310 X.8650 EPICYCLIC STARTER GEAR ON GEARBOX, ETC. X.8640 X.8305 'V' SERIES. We send… | ||
| scan0029 | Modifications to gears and shafts for improved strength and bearing performance. | ||
| View original record | -2- (a) Lengthening of teeth (for tooth strength) (b) More than halving the bending moment on sun shaft due to overhang of chain wheel (for shaft strength). (c) Considering that better material and… | ||
| scan0030 | Design and requirements for a sequence starter, including fabric coupling, spring mechanism, and coil windings. | ||
| View original record | X.8650. To EFC. HS.) from R. E. AJS.) copy to CJ. BJ. RG. DA. BY. RL/M10.1.25. SEQUENCE STARTER. X.8650. [Handwritten and struck through: X4168] We seem a long time in hearing more of this. It is… | ||
| scan0031 | Request for information regarding the fitting of a Sequence Silent Starter to a 'W' Series Chassis. | ||
| View original record | X8650 To Hs. [REDACTED] BY/RD1/ML13. 1. 25. SEQUENCE SILENT STARTER - E.A.C.11 & V1. If we are to fit the Sequence Type Starter to "W" Series Chassis it is essential that we have the following… | ||
| scan0032 | Design and specifications for a sequence silent starter, including a sketch of the field pole core. | ||
| View original record | To BY/RD. from EFC. x8650 7650 EFC2/T13.1.25. X.8650. SEQUENCE SILENT STARTER Answering your BY/RD1/ML13.1.25 the size of the field pole core should be in accordance with the following sketch, in… | ||
| scan0033 | Modifications for a sequence silent starter, including the bendix shaft helix angle and motor windings. | ||
| View original record | X8650 To RHC. from EFC. c. BY/RD. EFC1/T14.1.25. X.8650. SEQUENCE SILENT STARTER. Answering your RHC1/BE.13.1.25, it is considered that we should produce the bendix shaft with a helix angle of 30° for… | ||
| scan0034 | Conditions for correct operation of the EAC silent starter gear, with circuit and resistance details. | ||
| View original record | X.8650 EFC/T5.3.25. X.8650. EAC. SILENT STARTER GEAR. CONDITIONS FOR CORRECT OPERATION. Note. The negative of the battery is earthed. Supply of current at 11, 10¼, or 9 volts, as the case may be, (see… | ||
| scan0035 | Specification detailing the electrical operating conditions and resistance values for two circuits, including an actuator box and main switch. | ||
| View original record | -2- Contd. Allowing 11 volts supply, the operating current would be 20.3 amperes. The conditions of correct operation as regards this first circuit will therefore be :- (a) The actuator box must be… | ||
| scan0036 | Technical specifications for the correct operation of main and secondary electrical circuits, detailing current, voltage, and resistance requirements. | ||
| View original record | -3- Contd. The conditions as regards correct operation of this second circuit are therefore :- (a) The main switch must be definitely operated from the "off" position by a current of 2.4 amperes. (b)… | ||
| scan0037 | Description of Circuit 4 (Hold off) detailing the operation of a relay switch, current, resistance and voltage. | ||
| View original record | -4- Contd. Circuit 4. Hold off. Immediately the main current circuit is made and the relay switch pulled over, circuit 1 is broken and circuit 4 is made. Circuit 4 supplies a current through the push… | ||
| scan0038 | Specifications for the windings of an EAC Silent Starter unit. | ||
| View original record | X.8650. EFC3/T5. 3.24. X.8650. EAC. SILENT STARTER. In the second instance, the windings are as follows :- (1) For the actuator box solenoid unit, the wire is of the same size as the teazer winding on… | ||
| scan0039 | EFC to RHC regarding an alteration to the EAC silent starter gear. | ||
| View original record | To RHC. from EFC. X8650 EFC4/T9.3.25. X.8650. EAC. SILENT STARTER GEAR. In making up the second set of silent starter gear, is it possible to bring this up to date as regards the correct core length,… | ||
| scan0040 | Ordering material for an alternative starter for the 'X' Series as the Sequence Starter is not being used. | ||
| View original record | X 8650 Da. c. Hs. BY12/H. 6.8.25. ELECTRICAL STARTER. - "X" SERIES. The Sequence Starter is not being used for "X" Series;material has been ordered, as we have already run past the date at which it… | ||
| scan0041 | Revised arrangement and construction of a silent starter motor scheme. | ||
| View original record | To RHC. from EFC. c. EY/RD. X8650 EFC2/T23.10.25. X.8640. - REVISED ARRANGEMENT OF E.A.C. SILENT STARTER X.8650. MOTOR SCHEME. As remarked to you in conversation, it is now desired to move on with… | ||
| scan0042 | From R. to EFC. requesting a report on the Sequence Starter. | ||
| View original record | To EFC. from R. X8650 R1/M17.11.25. X.8650. SEQUENCE STARTER. ------ ---------------- I should be glad to have your report on the above as soon as possible. R. | ||
| scan0043 | Revised advance report concerning the EAC silent starter gear. | ||
| View original record | X8650 To R. from EFC. c. CJ. EFC6/T19.11.25. X. 8650. EAC. SILENT STARTER GEAR. We have had your note RL/M17.11.25. Please find attached a revised copy of the advance report sent to you yesterday by… | ||
| scan0044 | Revised report on alterations made to an EAC silent starter system following trials. | ||
| View original record | To R. from EFC. c. CJ. EFC2/T18.11.25. (REVISED REPORT) X.8650. EAC. SILENT STARTER. This is now fitted to chassis 9-EX (with a 48 helix), which Mr. Hives is bringing to you to-day. The reference of… | ||
| scan0045 | 'thump' sound during gear engagement, suggesting modifications to the gear ratio or motor windings. | ||
| View original record | EFC2/T18.11.25. -2- Contd. There has been no mechanical modification to prevent the thump on engagement due to the fact that the main power comes on too early, i.e. before the gears come completely… | ||
| scan0046 | Continued discussion on a fault feature observed in the 93-NK starting system. | ||
| View original record | Contd. -3- EFC2/T18.11.25. Further to the above, there is however a feature (not previously observed on the 93-NK system) which occurs on the present system on 9-EX. If the engine does not, or is not… | ||
| scan0047 | Description of an electrical fault sequence involving the main switch, relay, and motor. | ||
| View original record | EFC2/T18.11.25. -4- Contd. whilst the main switch flicks off and on again. The main current is thus restored, but at the second contact of the main switch is of insufficient magnitude again to pull… | ||
| scan0048 | Adjustments and trial results for a relay circuit related to the starter motor. | ||
| View original record | EFC2/T18.11.25. -5- Contd. current winding on the relay core. All the springs, contact pressures, etc. of the relay circuit have been carefully arranged, and we do not think it advisable to reduce the… | ||
| scan0049 | From AJS to HS requesting parts for a starter drive test on an E.A.C. engine. | ||
| View original record | R.R. 235A (100 T) (S.H 159. 11-8-20) G. 2800 TO HS. FROM AJS. Y 8650 AJS3/M23.11.25. re. STARTER DRIVE ON E.A.C. ENGINE. With reference to the parts of above which were left here last Thursday at Mr.… | ||
| scan0050 | Recommendations and alterations for the sequence starter, including the actuator box switch and epicyclic gear. | ||
| View original record | X7650 To EY. from EFC. c. to RHC. c. to EY/RD. EFC2/T26.11.25. X.8650. RE SEQUENCE STARTER. We have had from R. a note (copy to EY.) R1/M24.11.25 containing new recommendations on the sequence… | ||
| scan0051 | Modification to a motor winding and the requirement for a new set of instructions for a switch. | ||
| View original record | Contd. -2- EFC2/T26.11.25. the one or two more turns rendered available by this change to be got on the winding. This is to overcome the possibility of the motor continuing to run the engine if it… | ||
| scan0052 | Alterations to a Sequence Starter, a double switch unit, and a push button switch. | ||
| View original record | To BY. from EFC. c. BY/RD. c. RHC. X8650. EFC2/T20.11.25. X.8650. SEQUENCE STARTER. Further to our EFC2/T26.11.25, and in view of RL/M25.11.25, the suggestions contained therein will involve an… | ||
| scan0053 | Technical memorandum discussing the design and improvement of a sequence starter mechanism. | ||
| View original record | X7650 ORIGINAL TO EFC.) FROM R. HS. Copy to - CG. " - BJ. " - BY. re. SEQUENCE STARTER. R1/M24.11.25. X7650 The spring drive on this (as EFC. points out) is not sufficient to damp out the thump on… | ||
| scan0054 | Outlining the development status of various components for a sequence starter system. | ||
| View original record | X7650 AJS. E. BY/ED. c. HS. BY16/H. 29.12.25. SEQUENCE STARTER. -------------- In order to make the position in regard to the above quite clear, and therefore prevent misunderstanding, I am outlining… | ||
| scan0055 | Requesting proposals from West Wittering regarding previously outlined points. | ||
| View original record | - 2 - BY16/H.29.12.25. ---------- Will West Wittering kindly sum up the position and let us have their proposals in regard to the various points outlined. BY. [Signature] | ||
| scan0056 | The condition and proposed modifications for the Sequence Starter X.8650. | ||
| View original record | To BY. from AJS. c. Hs. E. c. BY/RD. X8650 AJS L/M4.1.26. SEQUENCE STARTER X.8650. The following is a reply to your request in BY16/H291225., for a report on the condition of the units affecting… | ||
| scan0057 | Outlining improvements for the new Phantom starter, model X.7650. | ||
| View original record | X7650 To BY. from AJS. c. to R. CJ. Hs. AJS1/M6.1.26. IMPROVEMENTS FOR NEW PHANTOM STARTER. X.7650. -------------------- We are, under above heading, making alterations as follows :- (a) Altered… | ||
| scan0058 | Requesting a sketch to clarify the placement of a parallel resistance in the EAC Silent Starter circuit. | ||
| View original record | X7650 TO EFC. FROM AJS. Copy to ------ AJS1/M9.1.26. EAC. SILENT STARTER. Referring to your report EFC2/T181125., on the 4th page of this you refer to a parallel resistance in the extract below:- "… | ||
| scan0059 | D.O. diagram of connections for an EAC silent starter, detailing color-coded circuits and resistances. | ||
| View original record | X7650 To AJS. from EFC. c. BY. EFCl/T12.1.26. EAC. SILENT STARTER. Reference your AJSl/M9.1.26. We send you our D.O. diagram of connections for sequence silent starter, in which the various circuits… | ||
| scan0060 | Modification to a push-button switch for separate circuit feeding. | ||
| View original record | Contd. -2- EFC1/T12.1.26. We should perhaps mention that in accordance with R1/M25.11.25. the push button switch will be made into a three-point switch so that the green circuit and the red circuit at… | ||
| scan0061 | Alterations for the New Phantom sequence starter switch wiring and associated drawing updates. | ||
| View original record | To BY. from AJS. c. to CJ. R. HS. Y7650 AJS1/M18.1.26. NEW PHANTOM SEQUENCE STARTER. X.7650. X.8650. With reference to our memo. AJS1/M6.1.26, we now send you herewith drawing LeC.2195. shewing the… | ||
| scan0062 | Proposing a new, clearer electrical diagram for the Sequence Starter instruction book. | ||
| View original record | X/7050 To AJS. from EFC. c. BY/RD. BY. c. BY/NHW. EFC4/T30.1.26. X.8650. SEQUENCE STARTER. Referring to your AJS1/M20.1.26, we do not think the type of diagram represented by your LeC.2194 is so clear… | ||
| scan0063 | Best practices for arranging and color-coding circuits in radio diagrams. | ||
| View original record | Contd. -2- EFC4/T30.1.26. brought to the minimum possible. It is often the fault in many of the radio diagrams which are published that it is very difficult to disentangle these. In a general way,… | ||
| scan0064 | Modifications to the New Phantom starter circuit diagram for the instruction book. | ||
| View original record | TO EFC. FROM AJS. Copy to - BY/RD. BY/MM. [struck through] NEW PHANTOM - SEQUENCE STARTER CIRCUIT DIAGRAM. Handwritten: X7650 AJS4/M3.2.26. Handwritten: X7650 Thank you for sending us the revised and… | ||
| scan0065 | Agreeing to suggestions for the New Phantom's sequence starter diagram and requesting the Drawing Office to update it. | ||
| View original record | To AJS. from EFC. c. BY. BY/RD. c. BY/NHW. X7650 EFC1/T5.2.26. RE NEW PHANTOM - SEQUENCE STARTER DIAGRAM. With reference to your memo. AJS4/M3.2.26, I am pleased to say that I agree with your… | ||
| scan0066 | Modifications and instructions for gearbox and engine starter systems. | ||
| View original record | X7650 To R. from AJS. c. to CJ. BJ. RG. c. to DA. BY. Hs. AJS1/M1.3.26. EAC.V11. X.7770 X.7340 X.7310 X.7650 Referring to the last para. of R2/M27.2.26. in connection with EAC.7. we have issued… | ||
| scan0067 | Progress update on the design of a detachable dash, lighter clutch, propeller shaft, and gearbox modifications. | ||
| View original record | contd :- -2- favour this because we understand that a detachable connection must xxxxxxxxxxxxxxxxxx be made somewhere on dash to allow body building facilities and would rather have them centralised.… | ||
| scan0068 | Instruction sheet regarding a delay on Silent Starter Units due to a material change from Bakelite to Ebonite for moulded parts. | ||
| View original record | RR 238 (150 BKS.) (SH57. 29-6-20.) MP 224358 X. 7650. ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.C. 26 - 5 - 1926. Order No. WB88 Customer's No. X/7650 Silent Starter Units EAC.VII The following units were… | ||
| scan0069 | Instruction to make up two sets of Sequence Starter Units for test, noting two motors were also handed for alteration. | ||
| View original record | RR 238 (120 BKS.) (SH57. 29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. Customer's No. 19 are waiting for Mr. Bowerley to make up two complete sets of Sequence Starter Units for test.… | ||
| scan0070 | Requesting the urgent completion and fitting of a modified silent flywheel starter to chassis 9-EX. | ||
| View original record | To RHC. from EFC. XD610 EFC4/T4.6.26. Z RE SILENT FLYWHEEL STARTER. X.7650. You have now complete instructions for the modified arrangement of the above, as referred to in our EFC2/T26.11.25. It is… | ||
| scan0071 | From 'R.' to 'EFC' requesting a progress report on the development of the sequence starter. | ||
| View original record | To EFC. from R. c. to BJ. Hs. By. X7650 R16/M10.6.26. RE SEQUENCE STARTER I should like to have a report as to what progress has been made up to date in regard to developing the sequence starter. R. | ||
| scan0072 | From EFC to FHC requesting a progress report on the development of the sequence silent starter, as requested by Mr. Royce. | ||
| View original record | X7650 To FHC; from EFC. EFC1/T11.6.26. RE SEQUENCE SILENT STARTER X7650 As I have received a note from Mr. Royce asking me to report upon what progress has been made to date on the development of the… | ||
| scan0073 | Progress and alterations to the Sequence Silent Starter system. | ||
| View original record | To R. from EFC. c. BJ. EY. Hs. X7610 EFC2/T15.6.26. RE SEQUENCE SILENT STARTER. Answering your R16/M10.6.26, the progress which has been made in this direction subsequent to our EFC2/T18.11.25 of the… | ||
| scan0074 | Continued report on a revised combined switch unit being prepared for laboratory testing on chassis 9-EX. | ||
| View original record | Contd. -2- EFC2/T15.6.26. The second combined switch unit is also being arranged to this revised table of gaps and with slightly modified windings for more correct operation. We hope at the present… | ||
| scan0075 | The completion status of parts for a sequence starter and requesting further instructions. | ||
| View original record | X7650 To EFC from RHC. RHC7/BE. 15.6.26. RE SEQUENCE STARTER With reference to the various units in connection with the above. The only parts we can finish off are - 1. Actuator Box. 2. Push Button… | ||
| scan0076 | Correcting the reduction ratios for the EAC starter motor, pinion to flywheel, and the total ratio. | ||
| View original record | X7650 To BY/RD. from EFC. EFCl/T17.7.26. For the two reduction ratios of the EAC. starter motor to pinion, and pinion to flywheel respectively, you have given us the figures 3.09 and 7.204, and I… | ||
| scan0077 | From AJS to Hs regarding Mr. Royce's urgent request for the Goshawk I starter gear. | ||
| View original record | To Hs. from AJS. c. to EY. X8650 AJS2/M23.7.26. GOSHAWK 1. HE STARTER X.8650. X.4250. In view of the troubles with the existing sequence starter on Phantom, Mr. Royce is extremely desirous that the… | ||
| scan0078 | Confirming the starter's final reduction ratio and refuting a different value. | ||
| View original record | To EFC. X7610 BY/RD6/ML9.8.26. Referring to your EFC1/T17.7.26, re ratio of starter, I understand we gave you the numbers of teeth in the various wheels and therefore the final reduction is 22.37 as… | ||
| scan0079 | Request to investigate a sequence starter failure where the motor does not revolve or engage. | ||
| View original record | TO EFC. FROM R. Copy to - HS. X8650 R1/M13.8.26. re. SEQUENCE STARTER. X7650 X8650 Regarding the failure to engage I cannot see how this can happen if the teazer current is sufficient to turn the… | ||
| scan0080 | Starter motor particulars, including pinion thread angles and specifications. | ||
| View original record | To EFC. X7650 15.8.26. STARTER MOTOR PARTICULARS. X.8620/50. X.7650/20. The two S. motor pinion thread angles are 55º 8' helix. (34º 52' spiral) 45º helic. (45º spiral) The angle of the pinion thread… | ||
| scan0081 | Investigation into the occasional failure of a sequence starter, exploring issues of jamming and teazer current. | ||
| View original record | To R. from EFC. C. E. Hs. X7650 EFC2/T17.8.26. RE SEQUENCE STARTER. X7650 X7620 In answer to your RL/M13.8.26, we had already investigated the starter on the lines you suggest so far as is possible in… | ||
| scan0082 | The design of a starter motor, including foot-operated versus hand-operated buttons and winding gauge specifications. | ||
| View original record | To R. Contd. -2- EFC2/T17.8.26. end pressure from the solenoid. It has always appeared to me that we have got to use a comparatively heavy teazer current to be safe in all circumstances, and the… | ||
| scan0083 | Experiments investigating starter motor jamming, focusing on the effect of increased voltage and Teazor torque. | ||
| View original record | EFC2/T17.8.26. -3- Contd. stated, so far that does not appear to have been wrong. Since your note we have made further trials, but this time we have increased the teazor torque by the application of a… | ||
| scan0084 | Altering teeth and helix angles to resolve an operational jam. | ||
| View original record | EFC2/T17.8.26. -4- Contd. a slight alteration to these teeth at the point of entry might cure the trouble entirely. To us it would appear that the increased teazer current to overcome this jam in all… | ||
| scan0085 | Typed letter from F.H. Royce to Mr. Clarke regarding scheduling a visit. | ||
| View original record | X7650 ROLLS-ROYCE,LTD. -14-15 CONDUIT STREET- - LONDON W1 - TELEGRAMS: "ROLHEAD REG LONDON" TELEPHONES: GERRARD 1654,1655,1656. IN YOUR REPLY PLEASE QUOTE, "ELMSTEAD". WEST WITTERING. CHICHESTER. 24.… | ||
| scan0086 | From EFC to AJS regarding experimental information on a sequence starter. | ||
| View original record | To AJS. from EFC. x7650 EFC3/T1.9.26. X. 7650. SEQUENCE STARTER. With reference to your telephone conversation with me this morning, the latest experimental information in connection with the sequence… | ||
| scan0087 | Modifications to a sequence starter, focusing on issues with the spiral angle. | ||
| View original record | X7650 TO EFC. FROM R. c. to BJ. WOR. HS. BY. re. SEQUENCE STARTER. As far as I can see the chief thing which is wrong about this is the, spiral angle. Mr. Stent is sending you instructions for two… | ||
| scan0088 | Solutions for starter motor engagement faults and its planned relocation. | ||
| View original record | (2) In conclusion I believe the above arrangement will avoid the two remaining faults of the semi-jamming in the engagement, and the thump at the final engagement. It is understood that the 20° angle… | ||
| scan0089 | Drawing for a spring drive for a sequence starter, showing modifications to an epicyclic gear case. | ||
| View original record | X7650 SPRING DRIVE FOR SEQUENCE STARTER. ACCOMPANYING R1/M.1.9.26 NEW PIECE TO EPICYCLIC GEAR CASE. (STEEL) WITH IN LOCKING WINGS THUS TURN FACE OVER & RUBBER BUFFERS AS INDICATED BRONZE PIECE MACHINE… | ||
| scan0090 | Requested photostat copy of a sequence starter diagram. | ||
| View original record | X9650 To Mr. Stent. from EFC. EFC6/T8.9.26. RE SEQUENCE STARTER. Herewith please receive photostat copy of diagram in connection with the above, as requested. EFC. | ||
| scan0091 | Confirming the decision not to wait for a new sequence starter for EAC.VII following a visit to West Wittering. | ||
| View original record | X7650 BY/ED [struck through] ------ [struck through] Hs. [struck through] BY5/H. 10.9.26. ---------- E.A.C.VII. ---------- I wish to confirm that as a result of Hs' visit to west Wittering, it is… | ||
| scan0092 | Clarifying the definitions and testing of 'helix angle' and 'spiral angle' for a starter. | ||
| View original record | X7650 To R. from EFC. c. BJ. E. c. By. By/RD. c. AJS. RE REQUENCE STARTER. There has been a little mutual confusion in the use and interpretation of the terms 'helix angle' and 'spiral angle'. It… | ||
| scan0093 | The development and instructions for a sequence starter. | ||
| View original record | TO EFC. FROM AJS. C. to BY. HS. re. SEQUENCE STARTER. X7650 AJS2/M21.9.26. In reference to the last para. of your EFC3/T14926., we have not yet any scheme available which will supersede the… | ||
| scan0094 | Requesting the setup of a test rig for sequence starter testing using scrap Phantom parts. | ||
| View original record | x7650 C. EFC. BY/RD/AL.21.9.26. 11-0 21/9/26 SEQUENCE STARTER TESTING. In order to observe the action that takes place between the teeth of the pinion and those on the flywheel at the moment of… | ||
| scan0095 | Blueprints, parts, and testing instructions for a Sequence Starter and Epicyclic Gear. | ||
| View original record | X7650 C. EFC. BY/RD/ML.29.9.26. RE E.A.C. V11 - SEQUENCE STARTER. EPICYCLIC GEAR - SEC:8040. Please receive herewith blueprints of the new parts required to carry out the instructions contained in… | ||
| scan0096 | From EFC to AJS providing a progress update on the X.7650 Sequence Starter, noting a delay in results. | ||
| View original record | X7650 To AJS. from EFC. EFC4/T29.9.26. X. 7650. SEQUENCE STARTER. Answering your note AJS2/M21.9.26, we regret that so far we have no results to send you. However, the instructions on the job to the… | ||
| scan0097 | Trying a new simplified sequence starter on the 20 HP model as the current one is unsatisfactory. | ||
| View original record | BY To EFC. }from R. HS. c. to - BJ. Wor. X7650 R7/M2.11.26. 20 HP. & 40/50 SEQUENCE STARTER. X.7650. X.5650. HS. suggests we try our simplified sequence starter on the 20 HP. because the present RR.… | ||
| scan0098 | Comparison table of experiments conducted on sequence starters. | ||
| View original record | X7650 9.11.26. SEQUENCE STARTER EXPERIMENTS. 14EX | 9-EX. (EAC.1). | EAC.VII chassis. (2 sets) | Rig. | |---|---|---| | 20° spiral with rubber buffer, scheme and pinion operated switch. | 20° spiral… | ||
| scan0099 | Trials and modifications to a sequence starter scheme on an EAC.7 chassis. | ||
| View original record | To R. from EFC. c. to BJ. Wor. c. to BY. E. c. to Da. X7650 EFC2/T6.12.26. SEQUENCE STARTER. X7650 X7620 Your reference RL/ML.9.26. There has been fitted up on one of the new EAC.7 chassis a sequence… | ||
| scan0100 | Modifications to a switch mechanism to reduce thumping on gear engagement. | ||
| View original record | Contd. -2- EFC2/T6.12.26. spring contact has to climb. We are arranging that contact is definitely off at the bottom of this hill but is made immediately after the spring contact reaches the top. Then… | ||
| scan0101 | Modifications and testing of a sequence starter to resolve backlash and failure issues. | ||
| View original record | To R. from EFC: c. to BJ. Wor. c. E. De. c. Ey. X7650 EFC7/T6.12.26. SEQUENCE STARTER. X7650a X7630 Further to our EFC2/T6.12.26, having rearranged the switch to just make contact before the actuator… | ||
| scan0102 | Testing various combinations of components for a sequence starter, including different spiral angles, switches, and buffers. | ||
| View original record | X7655 To RHC. from EFC. EFC3/T25.1.27. RE SEQUENCE STARTER. Confirming our conversation it is desired to try out with as little delay as possible, on the rig which you are preparing for us, the… | ||
| scan0103 | Experimental schemes involving spiral mechanisms, actuator boxes, and switches. | ||
| View original record | -2- Contd. On the whole it is considered that the most promising scheme will probably be the 5° spiral with the actuator box operated switch, together with rubber buffer, and we should like to have… | ||
| scan0104 | Request to the Experimental Shop to produce a 34° 52' spiral for use in sequence starter experiments. | ||
| View original record | X7650 To BY/RD. from EFC. EFC3/T26.1.27. Confirming our conversation of yesterday, we should be pleased if you would instruct the Expl. Shop to produce a 34° 52' spiral which can be used with the… | ||
| scan0105 | Conditions for correct operation of the EAC silent starter gear. | ||
| View original record | X7650 EFC/T7.2.27. EAC. SILENT STARTER GEAR. CONDITIONS FOR CORRECT OPERATION. Note 1. Them negative of the battery is earthed. Supply of current at 11, 10½, or 9 volts, as the case may be, (see… | ||
| scan0106 | Page 2 of a document detailing the conditions for correct operation of two electrical circuits. | ||
| View original record | -2- Contd. The conditions of correct operation as regards this first circuit will therefore be :- (a) The actuator box must be capable of doing all that is required of it with a current of 15.5… | ||
| scan0107 | Specifications for the operation of a main switch and associated electrical circuits. | ||
| View original record | -3- Contd. (a) The main switch must be definitely operated from the "off" position by a current of 2.2 amperes. (b) The current must be capable of being broken reasonably sparklessly. (c) When the… | ||
| scan0108 | Description of the operation of Circuit 4, the 'Hold Off' (Green) circuit, including resistance, voltage, and current specifications. | ||
| View original record | -4- Contd. Circuit 4. HOLD OFF. (Green). Immediately the main current circuit is made and the relay switch pulled over, circuit 1 is broken and circuit 4 is made. Circuit 4 supplies a current through… | ||
| scan0109 | New 'RR. sequence' starter motor system for the Phantom model. | ||
| View original record | TO B.I. FROM R. SECRET R3/M2.5.27. C. to OY. EFC. HS. PHANTOM STARTER. Handwritten: x7610 x7613 x7610 x7620/1- EAC.7. is being fitted with a new starter motor system termed "RR. sequence", (which we… | ||
| scan0110 | Various proposed combinations and testing for the No.1 scheme sequence starter. | ||
| View original record | To R. from EFC. c. BJ. X7650 EFC3/T11.6.27. SEQUENCE STARTER NO.1 SCHEME. Y6650 We are uncertain as to whether you favour any further work being done on the No.1 scheme sequence starter. A crankcase… | ||
| scan0111 | Letter seeking a decision on whether to proceed with further trials of a scheme or to cancel the proposal. | ||
| View original record | EFC3/T11.6.27. -2- Contd. considered worth while making further trials of this No.1 scheme, this is the one we should suggest to be tried in the first instance. We should be pleased to have word from… | ||
| scan0112 | Status of the No.1 sequence starter scheme, pending trials of a No.2 scheme. | ||
| View original record | X7650 EFC. absent. To RHC. from EFC. EFCL/T14.6.27. (dict. 11.6.27) NO.1 SEQUENCE STARTER SCHEME. With reference to the various instructions on the No.1 sceheme sequence starter, i.e. EY/RDL/T29.9.26… | ||
| scan0113 | From 'R.' to 'EFC.' regarding the testing of a sequence starter for the EAC.7 engine. | ||
| View original record | To EFC. from R. X7650 COPY R1/M16.6.27. SEQUENCE STARTER. EAC.7. engine as it stands requires a starter, and since we have all the materials ready we certainly ought to test the most hopeful… | ||
| scan0114 | Cancelling previous instructions and outlining new experiments for Sequence Starter Scheme No.1. | ||
| View original record | RHC. To BY BY/RD. X7630 EFC1/T22.6.27. SEQUENCE STARTER SCHEME NO.1. X7630 Further to our EFC1/T14.6.27 (to RHC. only), we sent to R. a memo EFC3/T11.6.27 (copy attached), and have received back from… | ||
| scan0115 | Difficulties and expense of fitting a No.1 sequence starter to the EAC.7 chassis. | ||
| View original record | To R. from EFC. c. BJ. c. BY/SS. c. BY/RD. X7650 EFC6/T30.6.27. EAC.7. SEQUENCE STARTER. X.8650 X.7625A The fitting of the No.1 scheme of sequence starter to EAC.7. chassis has, at our request, been… | ||
| scan0116 | Laboratory tests conducted on the No.1 scheme sequence starter. | ||
| View original record | To R. from EFC. c. BJ. E. c. BY. Wor. c. Da. X7650 EFC1/T8.7.27. SEQUENCE STARTER NO.1 SCHEME. We have now made some tests on the No.1 scheme sequence starter in our laboratory, using a scrap… | ||
| scan0117 | Analysis of actuator box engagement and spiral performance under testing conditions. | ||
| View original record | Contd. -2- EFCL/T8.7.27. made the main switch by hand, after the lapse of a sufficient time to take observations after the closing of the small switch. In one set of observations in which the… | ||
| scan0118 | Test report detailing the engagement and disengagement of a pinion and crankshaft under teazer and main power currents. | ||
| View original record | Contd. -3- EFC1/T8.7.27. teazer current only the pinion would gradually work itself out until it reached back to the actuator box push rod, corresponding finally to that small degree of engagement… | ||
| scan0119 | Test report comparing 20° and 5° spiral gears for an actuator switch mechanism, proposing an update for chassis 9-EX. | ||
| View original record | Contd. -4- EFCL/T8.7.27. With the observations hole provided it is possible to place the relation of the pinion on the spiral to the wheel in such a manner as to produce an artificial jam, i.e. the… | ||
| scan0120 | Modification to the Sequence Starter No.1 scheme for 9-EX, changing from a pinion operated switch to an actuator box operated switch. | ||
| View original record | To RHC. from EFC. c. Hs/AJL. X7650 EFC4/T8.7.27. SEQUENCE STARTER NO.1 SCHEME FOR 9-EX. As a result of our experiments on the rig it is now desired to change the arrangement on 9-EX from the 34° 52'… | ||
| scan0121 | Summary of experimental reports for the Sequence Starter No.1 scheme. | ||
| View original record | X 7650 8.7.27. SEQUENCE STARTER NO.1 SCHEME EXPERIMENTAL REPORTS. 93-NK. 34º 52' spiral. Actuator box operated switch. Hs9/LG5.11.24. X.8650. Ditto. EFC3/T7.11.24. " Windings then corrected and gear… | ||
| scan0122 | List of reference numbers for various Sequence starter motor and gear schemes. | ||
| View original record | X7650 8.8.27. Sequence starter motor. (No.1 scheme). X.7620. Sequence starter gear. (No.1 scheme). X.7650. Sequence starter motor (No.2. scheme - sliding armature). 2A. Inward. X.7625A. 2B. Outward.… | ||
| scan0123 | Status report on various No.1 sequence starter gear components, specifically carcases and armatures. | ||
| View original record | E.F.C. X7655 24.8.27. X.7650. NO.1 SEQUENCE STARTER GEAR. CARCASES. We have - A fitted with pole pieces - no windings. We have the three-turn per pole winding separate. This came off J motor of No.2… | ||
| scan0124 | The Sequence Starter No.1 Scheme, detailing the replacement and adjustment of a starter on chassis 9-EX. | ||
| View original record | X7650 To R. from EFC. c. BJ. E. c. EY. Wor. EFC2/T26.8.27. SEQUENCE STARTER NO.1 SCHEME. As referred to in our EFC1/T8.7.27, we have removed from chassis 9-EX the starter with 34° 52' spiral with… | ||
| scan0125 | Analysis of actuator box and pinion engagement angles for a sequence starter motor. | ||
| View original record | Contd. -2- EFC2/T26.8.27. actuator box. There is thus a limiting angle for this condition which may be about 25°. With a spiral of larger angle than this amount, the pinion will wind in on the teazer… | ||
| scan0126 | Continued analysis of actuator motor backlash and 'thump' noise, comparing different gear and pinion schemes. | ||
| View original record | Contd. -3- EFC2/T26.8.27. slowly and no click is produced, the force of the actuator box meanwhile maintaining the teeth in contact on their non-diving side. Since the main motor power comes on near… | ||
| scan0127 | Pinion and wheel teeth design, comparing rounded versus sharp corners to prevent jamming and proposing tests on a rubber buffer scheme. | ||
| View original record | Contd. -4- EFC2/T26.8.27. engaging corners of the teeth of pinion and wheel are rounded, and so relatively placed that the resultant force between them lies within a direction of a friction angle on… | ||
| scan0128 | Sequence starter schemes, comparing performance and methods to avoid jamming. | ||
| View original record | To R. from EFC. c. BJ. E. c. BY. X7650 EFC4/T26.11.27. SEQUENCE STARTER. X7650 X7655 A/B In our EFC2/T26.8.27, which was the last report on the sequence starter No.1 scheme, we explained why we were… | ||
| scan0129 | Design of gear teeth for an apparatus, focusing on noise reduction and engagement reliability. | ||
| View original record | -2- scheme, we are of the opinion that in this No.2A (and No.2B) case also the entering corners of the teeth should be as sharp as is reasonably possible with the material used in order to reduce or… | ||
| scan0130 | Page 3 of a document discussing an experiment to reduce gear noise with helical teeth. | ||
| View original record | -3- Contd. use of parallel teeth, the other set to be helical with the present helix but to have more suitably cut teeth as an experiment on the reduction of gear noise with the present arrangement.… | ||
| scan0131 | Selection and interchangeability of various sequence starter schemes for an engine. | ||
| View original record | X7650 To BY. from EFC. EFC8/T8.12.27. SEQUENCE STARTER- 2A or 2B. SCHEME. X7650/55A/B In conversation with Hs. we have decided that though it involves a new crankcase, we must have the EAC.1 engine… | ||
| scan0132 | Progress and redesign of a scheme, and the decision to abandon the original version. | ||
| View original record | -2- Contd. got so far on with this scheme, as is evidenced by the fact that he has himself redesigned it. We think he should have been aware that we were getting on with this job from our various… | ||
| scan0133 | Secret document detailing the three control circuits for the EAC.10 Super Sports sequence starter. | ||
| View original record | BFC. HS.) FROM R. BY E.) (At Le Canadel.) X7620B SECRET. R1/M9.1.28. C. to BJ. LHS. RG. PN. DA. CMD. C. SG Mr. CLAREMONT. EAC.10. SUPER SPORTS. SEQUENCE STARTER AS DESCRIBED IN 1928. X7625B X7650B The… | ||
| scan0134 | Description of proposed improvements for a patentable starter motor system, including a press button, motor, and magnetic switch unit. | ||
| View original record | (2) Our latest improvements result in a combination which can be described, and diagrams provided, by EFC. They consist of: (1) A one way press button with silver & carbon contacts. (Handwritten):… | ||
| scan0135 | Obsolete 'Contact Makers' purchased in 1925 for the Sequence Starter. | ||
| View original record | EFC. ROY/MS1/P.12.3.28. We attach prints of the following Contact Makers:- D.70774. D.70777. D.71093. D.71094. D.71095. These were purchased in 1925, for the Sequence Starter, which we are instructed… | ||
| scan0136 | Responding to a previous query, authorizing the booking of six contacts and the disposal of the rest. | ||
| View original record | To Roy/Ms. from EFC. X8650? EFC1/T28.3.28. Answering your ROY/MS1/P.12.3.28, please book to us 6 of each of these contacts to ON.54733 and dispose of the remainder at scrap value. EFC. | ||
| scan0137 | The weights of the R. Bosch and R.R. Sequence starter motor armatures. | ||
| View original record | RR 238 (150 BKS.) (DB 461-8-12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. X7650 To ET E.7.C. 1 - 1 - 1929 Order No. WD 25. Customer's No. X7650 Starter motor armature weights. The weight of the R.… | ||
| scan0138 | Secret memo regarding the distribution of drawing LeC.1845 for a Starter Motor Actuator. | ||
| View original record | X9650 S E C R E T To BY. from E. c.c. to CJ. RG. EFC. E4/M12.3.24. E. A. C. STARTER MOTOR ACTUATOR. X.9650. We send you herewith drawing LeC.1845 , a blue print of which has been sent to Mr. Royce for… | ||
| scan0139 | Specifications and drawings for electric starter actuator and pinion springs. | ||
| View original record | Y8650 S E C R E T. To BY. from E. copy to CJ. RG. EFC. E.A.C. E1/M15.3.24. ELECTRIC STARTER. X.9650. ACTUATOR & STARTER PINION SPRINGS. We send herewith drawing LeC.1848, giving the data in connection… | ||
| scan0140 | Design for a starter actuating device with suggestions for securing the coil. | ||
| View original record | X8650 To E. from R. c. DA. c. RG. c. BY. COPY R2/M19.3.24. SECRET - E.A.C. LEC.1845 - STARTER ACTUATING DEVICE. --------------------------------------- This seems quite right except that I cannot… | ||
| scan0141 | Insulation test results for six starter solenoid coils. | ||
| View original record | RR 238 (150 BKS.) (SH57.29-5-20.) MP 224358 X. 8650 ROLLS-ROYCE LTD. INSTRUCTIONS. May 22nd 1924. To: FFC Order No. PC 68 Customer's No. X 8650. Insulation Test of Starter Solenoid Coils. The results… | ||
| scan0142 | Instructions detailing the average resistance and winding specifications for six EAC starter solenoid coils. | ||
| View original record | RR 238 (150 BKS.) (SH57.29-6-20.) MP 224358 X.9650. ROLLS-ROYCE LTD. INSTRUCTIONS. To: EFC Order No.: PC 70 Customer's No.: X 9650 Date: June 12th 1924 EAC Starter Solenoid Coils The average… | ||
| scan0143 | The parts for a silent starter gear actuator coil and requesting a prototype be made. | ||
| View original record | x9650 To-EFC C. EFC. BY/RD4/ML26.3.24. X.9650 - SILENT STARTER GEAR. ACTUATOR COIL. Please receive herewith 1 blueprint of the following parts detailed from LEC.1852. - D.70481 - Actuating Coil.… | ||
| scan0144 | Secret internal memo with hand-drawn diagrams and annotations discussing design improvements for a sequence starter's actuator coil. | ||
| View original record | X9650 SECRET R5/M28.3.24. To E. RG. Da. from R. c. to CJ. c. to Hs. c. to Bv. E.A.C.2.& 5. LEC.1852 - SEQUENCE STARTER. X.9650. ACTUATOR COIL. My object in suggesting that this should be better fixed… | ||
| scan0145 | Improvements and testing for an Actuator Magnet Sequence Starter. | ||
| View original record | X8650 To E. from R. c.c. CJ. BY EFC. R2/M8.4.24. ACTUATOR MAGNET - RR. SEQUENCE STARTER X.9650. This seems much better for the small improvements. Possibly we might make a good job of the bobbin… | ||
| scan0146 | Requesting a blueprint and detailing a list of parts for a silent starter gear actuator. | ||
| View original record | X9650 To RHO C. EFC. BY/RD4/ML17.4.24. SD X.9650 - SILENT STARTER GEAR ACTUATOR. Please receive herewith 1 blueprint of the following parts detailed from Lec's. 1845, 1848, 1852 and 1858. (X) D.70488… | ||
| scan0147 | Blueprints for parts relating to the Silent Starter Gear Actuator. | ||
| View original record | x9650 C. EFC. BY/RD2/AL.25.4.24. X.9650 - SILENT STARTER GEAR ACTUATOR. Please receive herewith one blueprint of the following parts detailed from LeCs - 1845, 1848, 1852 and 1858, and which complete… | ||
| scan0148 | Instructions for the adjustment and testing of the silent starter gear actuator box unit. | ||
| View original record | X8650 To RHC. from EFC. EFC2/T30.10.24. X.8650. SILENT STARTER GEAR. ACTUATOR BOX UNIT. Herewith we return to you the actuator box unit. To make this in accordance with our present version of the… | ||
| scan0149 | Production test report for an E.A.C. Actuator Box 'A'. | ||
| View original record | RR 238 (150 BKS) (SH57-29-6-20.) MP 224358 X.8650 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.F.B. 31-10-1924 Order No. WA90 Customer's No. X8650 Production test of E.A.C. Actuator Box 'A' 1. Travel of… | ||
| scan0150 | Design improvements for a Sequence Starter, specifically for the bobbin, casing, and magnet. | ||
| View original record | x7650 To BY. from AJS. c. to R. CJ. HS. AJS1/M19.1.26. RE SEQUENCE STARTER X.7650. X.8650. In reference to your enquiry as to the incorporation of improvements in LeC.2190. effected on solenoid unit… | ||
| scan0151 | List of prints for an Actuator, part of a Sequence Starter Motor. | ||
| View original record | XT680 To. RHC C. EFC. BY/RD3/ML.27.1.26. E.A.C.V11 - SEQUENCE STARTER MOTOR. ACTUATOR - SEC:8050. In accordance with L.C.2190, we are sending you herewith prints of the following:- X D.71074 -… | ||
| scan0152 | Proposing a lubrication alteration for the Phantom starter actuation box on chassis 7-EX. | ||
| View original record | To BY. from E. c. to BJ. Hs. X7650 E1/M23.6.26. ACTUATION BOX - PAHNTOM STARTER. X.8650. X.7650. When adjusting the cbutch stop on chassis 7-EX recently, while you were down here, we found the… | ||
| scan0153 | Lubrication of a fork on an actuating lever. | ||
| View original record | -2- E1/M23.6.26. The fork on the lower end of the actuating lever is accessible for oiling in the usual manner, but there is no doubt that this fork will get lubricated with any excess that runs away… | ||
| scan0154 | Specification for production inspection, adjustment, and testing of an EAC Actuator Box. | ||
| View original record | Test sent-out X7650 a. EFC/T9.7.26. X.7650. EAC. ACTUATOR BOX. X.7781. (VERSION 1) SPECIFICATION OF PRODUCTION INSPECTION, ADJUSTMENT & TEST. (1) Inspect the mechanical details of the actuator box to… | ||
| scan0155 | Page of test procedures for an actuator box and combined main switch/relay switch unit. | ||
| View original record | -2- Contd. (5) Whilst still warm from test (4) an alternating voltage of 205 shall be applied, through a lamp between the windings and the casing for one minute without breakdown. (6) The final test… | ||
| scan0156 | Chassis 12-EX after a 6000-mile test, noting performance of the dynamo, starter motor, and actuator box. | ||
| View original record | X7650 Extract from GWH1/HP19.8.26. REPORT ON CHASSIS 12-EX. EAC.VIII. AFTER 6000 MILES. X.7940. Dynamo. X.8671. Dynamo J. Bearing bracket and brush holders fitted with narrower brush gear in… | ||
| scan0157 | Technical memorandum detailing issues with a sequence starter scheme on an EAC.7 chassis and a proposed switch modification. | ||
| View original record | To R. from EFC. c. to BJ. Nor. c. to EY. E. c. to Dr. x7650a EFC2/T6.12.26. SEQUENCE STARTER. x7600 x7650 Your reference H/M1.9.26. There has been fitted up on one of the new EAC.7 chassis a sequence… | ||
| scan0158 | Testing a gear engagement mechanism, focusing on a spiral gear to reduce thump. | ||
| View original record | Contd. -2- EFC2/T6.12.26. spring contact has to climb. We are arranging that contact is definitely off at the bottom of this hill but is made immediately after the spring contact reaches the top. Then… | ||
| scan0159 | Troubleshooting and proposed modifications for a sequence starter mechanism. | ||
| View original record | To R. from EFC. c. c. to BJ Wor. c. c. E. Da. c. c. Ey. X.76150a EPC7/T6.12.26. SEQUENCE STARTER. x.7650 x.2620 Further to our EPC2/T6.12.26, having rearranged the switch to just make contact before… | ||
| scan0160 | Electrical experimental record sheet for a Sequence Starter actuator box. | ||
| View original record | X8653 A. ELECTRICAL EXPERIMENTAL RECORD SHEETS. Sequence Starter actuator box X. No. 8650 Date on. | Location. | Date off. | REMARKS. | Miles Reading Start. | Miles Reading Finish. | Miles covered. |… | ||
| scan0161 | Electrical experimental record sheet for a Sequence Starter actuator box. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS C. X7650 X. & No:- 7650 Sequence Starter actuator box (without top contact) | Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading… | ||
| scan0162 | Electrical experimental record sheet for a sequence starter actuator box. | ||
| View original record | X7650 ELECTRICAL EXPERIMENTAL RECORD SHEETS B. X.&No:- 7650 Sequence Starter actuator box (without top contact) | Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading… | ||
| scan0163 | Design and desirable placement of non-inductive resistances in a starter motor circuit. | ||
| View original record | X9650 To R) " E)from EFC. c. Rg. Da. Wor. c. EP. CJ. BJ. BY. S E C R E T E.A.C. EFC2/T12.1.24. X.9650 - RE STARTER. X416813 Reference your R3/M1.1.24 and LeC.1802. In the text it is remarked that the… | ||
| scan0164 | Continuation page of a memorandum discussing electrical safety and the rearrangement of windings. | ||
| View original record | Contd. -2- EFC2/T12.1.24. not normally alive. Then, when any screw-drivers are about, there is less likelihood of short circuits. It is perhaps a small point but there is a reason for it. Lastly, we… | ||
| scan0165 | Secret memo about design changes and circuit queries for the X.9650 Electric Sequence Starter. | ||
| View original record | X9650 S E C R E T. To EFC. from E. c. CJ. R. E1/M15.1.24. E. A. C. X.4168b - ELECTRIC SEQUENCE STARTER. X.9650. Referring to EFCc/T12.1.24.., we have already pointed out on LEC.1802 that the drawing… | ||
| scan0166 | Design and justification for the E.A.C. starter. | ||
| View original record | x9650 TO HS. & DY. FROM R. SECRET. R5/M12. 5. 24. Copy to CJ. RC. DA. E. EFG. re.E.A.C. STARTER. x9650 MR. ELLIOTT will be finishing today or tomorrow the design for the main switch and the automatic… | ||
| scan0167 | Notes providing required information and corrections for drawing LeC. 1870 of a silent starter main switch unit. | ||
| View original record | X9650 SECRET. E1/M15.5.24. TO FROM E. E. A. C. Copy to EFC. SILENT STARTER MAIN SWITCH UNIT. X9650 Referring to drawing LeC. 1870. it was necessary owing to lack of time to send you this drawing in a… | ||
| scan0168 | Page 2 of a document describing the construction of an electrical component, including its windings, coils, and contacts. | ||
| View original record | (2) turned up in one place to form a tab to which the conductor is sweated. This flange also has a tab passing completely underneath the hold on contact plate and is squeezed into contact with this… | ||
| scan0169 | Page detailing the construction of an electrical switch, with references to different views and assembly instructions. | ||
| View original record | (3) connections are made from the magnet winding of the main switch and the non inductive resistance winding to the magnet frame of the auxiliary switch. View No.5. This gives a section through the… | ||
| scan0170 | Description of different views of an electrical magnet and switchbase assembly, including windings and resistance. | ||
| View original record | (4) View No.8. Gives an independent plan of the magnet frames which are interchangeable as pressings. View No.9. Shews the rear face of the switchbase with conductors in position. It is intended to… | ||
| scan0171 | Page discussing the avoidance of expense in making mouldings for a device until more experience is gained. | ||
| View original record | (5) ary cover of some sort to avoid the trouble of expense of making mouldings which might be found to require alteration when we have had some experience with the working of the device. E. [Stamp]… | ||
| scan0172 | Request for information on wire specifications for the EAC Silent Starter Gear. | ||
| View original record | X8650 BY/RD. from EFC. 28.5.24. EAC. SILENT STARTER GEAR. Would you please let me have the following information:- Size of wire that we mutually agreed upon (1) for the solenoid unit operating bendix… | ||
| scan0173 | Coil specifications for an E.A.C. silent starter gear. | ||
| View original record | X.9680 To EFC. BY/RD1/ML.29.5.24. RE E.A.C. SILENT STARTER GEAR. Answering your note of the 28th inst., the following are the particulars of the coils we propose to instruct for a start. (1) Solenoid… | ||
| scan0174 | Requesting particulars of resistance for a main switch. | ||
| View original record | X. 8650 To EFC. BY/RD3/ML12.6.24. RE E.A.C.1 - MAIN SWITCH - X.9650. This is now fully detailed and we are waiting for particulars of the resistance which we shall be pleased to have as soon as… | ||
| scan0175 | Correcting previously supplied wire sizes for the EAC silent starter scheme. | ||
| View original record | X8650 SECRET To RY/RD. from EFC. E. A. C. EFC3/T17.6.24. X.9650 - EAC. SILENT STARTER. We regret that in fixing up with you the sizes of the wire for the main switch and hold-off relay units of the… | ||
| scan0176 | Particulars of coils for the E.A.C. Silent Starter Gear. | ||
| View original record | x 8650 To EFC. BY/RD7/ML 20.6.24. X.8650 - E.A.C. SILENT STARTER GEAR. Referring to your EFC3/T1 7.6.24, the following are the particulars of coils we propose to instruct - (1) Solenoid Unit - Same… | ||
| scan0177 | Modifications to the windings and resistance of an E.A.C. silent starter gear. | ||
| View original record | X8650 SECRET. To BY/DS. from EFC. EFC3/T24.6.24. X.9650 - E. A. C. SILENT STARTER GEAR. We are in receipt of your By/Ds7/ML206.24. We have now gone further into this matter and it is likely that the… | ||
| scan0178 | Parts list for a Silent Starter Gear and Automatic Switch, referencing an accompanying blueprint. | ||
| View original record | To RHC. C. EFC. G. ID. X8650 BY/RDIO/M.3.7.24. X.9650 - SILENT STARTER GEAR, AUTOMATIC SWITCH. E.A.C. Please receive herewith 1 Blueprint of the following parts detailed from LeC.1870 - X D.70626 -… | ||
| scan0179 | List of drawing numbers and corresponding part descriptions, page 2. | ||
| View original record | (2) BY/RDM/ML.3.7.24. Cont'd. D.70670 - Cap for Carbon Contact. (Auxiliary Switch). D.70671 - Cable Eye (Auxiliary Switch). D.70672 - Assembly of Loose Contact (Auxiliary Switch). D.70673 - Spring for… | ||
| scan0180 | Technical note detailing materials and sourcing for a switch and its components. | ||
| View original record | (3) BY/RD10/M.3.7.24. Cont'd. D.70727 - Tubular Rivet. D.70728 - Resistance Wire. D.70729 - Arrgt: of Resistance Wire Connections. D.70720 - L.O.P. You will notice that the Cover and Base are of… | ||
| scan0181 | Modifications and requesting clarification on an automatic switch design. | ||
| View original record | c. EFC. X8650 BY/RD12/W.17.10.24. E.A.C.II. AUTOMATIC SWITCH. X.8650. -------------------- Referring to EFC3/T15.10.24, we note the size of wire used for winding the coil of the main switch has been… | ||
| scan0182 | Specifications and adjustments for a combined main switch and relay switch unit. | ||
| View original record | X8650 To RHC. from EFC. EFC3/T30.10.24. X.8650. COMBINED MAIN SWITCH & RELAY SWITCH UNIT. Herewith we return to you the above unit. To make this in accordance with our present version of the… | ||
| scan0183 | Instructions for adjusting the main spring of a relay switch unit. | ||
| View original record | Contd. -2- EFC3/T30.10.24. The following on the relay switch unit is necessary:- (1) Either pack or unpack (which of these is right to be found by trial), the main spring until there is less… | ||
| scan0184 | Revised gap adjustments for a combined main switch and relay switch unit. | ||
| View original record | X8650 To RHC. from EFC. EFC3/T31.10.24. X.8650. COMBINED MAIN SWITCH & RELAY SWITCH UNIT. As regards item (2) of our EFC3/T30.10.24, we have now revised the various gaps on the main switch element of… | ||
| scan0185 | Revised specifications for the contact gaps and spring tension of a combined main and relay switch unit. | ||
| View original record | To RHC. from EFC. X8650 EFC5/T31.10.24. X.8650. COMBINED MAIN SWITCH & RELAY SWITCH UNIT. As regards the relay switch unit, we stated in our EFC2/T30.10.24, that the contact gaps as at present… | ||
| scan0186 | Modifications, testing instructions, and the marking of experimental versus production units. | ||
| View original record | Contd. -2- EFC/T31.10.24. up to date These are now all the points of complaint and we think that with these modifications there may be some chance of the whole system being O.K. If it possible for us… | ||
| scan0187 | Specifications and ratios for the Main and Relay Switch Unit. | ||
| View original record | X.8650. EFC8/T3.11.24. X.8650 MAIN AND RELAY SWITCH UNIT. MAIN SWITCH. Fulcrum to core 1.250" Fulcrum to copper contact. 2.175" Fulcrum to carbon contact. 3.050" Ratio copper contact arm / core arm =… | ||
| scan0188 | Observations from the initial trial of the EAC.II silent starter gear units in the electrical laboratory. | ||
| View original record | X8650 EFC4/T4.11.24. X.8650. EAC.II SILENT STARTER GEAR. OBSERVATIONS OF FIRST SET OF SILENT STARTER GEAR UNITS WHICH WE HAVE HAD FOR TRIAL IN OUR ELEC. LABORATORY. The initial teazer heavy current is… | ||
| scan0189 | Instructions for winding coils for an Actuator Box and Automatic Switch. | ||
| View original record | X 8650 C. EFC. BY/RD4/ML5.11.24. X.8650 - ACTUATOR BOX AND AUTOMATIC SWITCH. E.A.C.11. ACTUATOR BOX. Will you please put in hand one Actuator Box Coil wound with 17 S.W.G. (.056) D.C.C. Copper Wire,… | ||
| scan0190 | Standard Wire Gauge (SWG) for a hold-on coil in an Actuator Box & Automatic Switch. | ||
| View original record | X8650 To BY/RD. from EFC. EFC2/T6.11.24. X.8650, ACTUATOR BOX & AUTOMATIC SWITCH. Referring to your BY/RD4/ML5.11.24 and our EFC3/T4.11.24, you will notice that we are asking for 27 SWG. for the… | ||
| scan0191 | Required modification to the silent starter gear to improve reliability. | ||
| View original record | To RHC. from EFC. X8650 EFC1/T7.11.24. X.8650. RE SILENT STARTER GEAR. EAC.II. To improve the reliability of operation of the silent starter gear, as fitted upe on 98-NK, it will be necessary to… | ||
| scan0192 | Change in wire gauge specification for an Automatic Switch's Auxiliary Coil. | ||
| View original record | X8650 To RHC. C. EFC. BY/RD1/ML7.11.24. X.8650 - AUTOMATIC SWITCH. EAC II Referring to our memo BY/RD4/ML5.11.24., we instructed you to produce an Auxiliary Coil on the Automatic Switch wound with 26… | ||
| scan0193 | Seeking confirmation of wire sizes for an automatic switch and its components for production. | ||
| View original record | To EFC. X8650 BY/RD5/AT.10.12.24. X.8650 - AUTOMATIC SWITCH. We are endeavouring to clear the above job up and would like you to confirm that the sizes of wire to be used on the following units are… | ||
| scan0194 | Confirming wire sizes for the EAC silent starter switch, while awaiting final confirmation for production. | ||
| View original record | X8650 To BY/RD. from EFC. EFC2/T11.12.24. X.8650. EAC. SILENT STARTER SWITCH. Answering your BY/RD5/ML10.12.24, we confirm that the sizes of wire quoted for the various units are correct. At the same… | ||
| scan0195 | Specification for the production inspection, adjustment, and testing of a combined main switch and relay switch unit. | ||
| View original record | X.8650 EFC4/T5.3.25. VERSION 1. X.8781. COMBINED MAIN SWITCH & RELAY SWITCH X.8650. UNIT. EAC II. SPECIFICATION OF PRODUCTION INSPECTION, ADJUSTMENT & TEST. I. MAIN SWITCH UNIT. (1) Place a .020"… | ||
| scan0196 | Testing procedures for a main switch, detailing electrical and mechanical checks. | ||
| 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… | ||
| scan0197 | Specifications and verification procedures for a relay switch, including a table of contact gaps. | ||
| 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.… | ||
| scan0198 | Continued test procedures for a relay switch unit. | ||
| View original record | X8650 contd :- -4- EFC4/E5.3.25. ---------- (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 of… | ||
| scan0199 | Comparison of heavy and fine windings for a relay switch. | ||
| View original record | X8650 6th March, 1925. RELAY SWITCH ( SECOND UNIT). X.8650. -------------------------------------- Comparison of heavy and fine windings. Heavy winding. -------------- Minimum current to operate = 135… | ||
| scan0200 | Instructions and descriptions for the X.8650 automatic switch. | ||
| View original record | X8650 [REDACTED] C. EFC. BY/RD7/ML27.10.25. X.8650 - AUTOMATIC SWITCH - E.A.C.11. In order to straighten out the many instructions on this switch, we send you herewith prints and descriptions to cover… | ||
| scan0201 | Blueprints for an alternative scheme for securing the non-inductive resistance on an automatic switch. | ||
| View original record | X8660. C. EFC. BY/RDS/ML12.11.25. RE E.A.C.11 AUTOMATIC SWITCH - SEC:8660. Please receive herewith blueprints of the following parts representing an alternative scheme for securing the non-inductive… | ||
| scan0202 | Enclosing blueprints for a list of parts related to a main circuit switch. | ||
| View original record | X 7650. C. EFC. BY/RD1/ML24.12.25. RE E.A.C. V11 - MAIN CIRCUIT SWITCH - SEC:8260. In accordance with LeC.2179, please receive herewith blueprints of the following parts:- D.71024 - Switch Base.… | ||
| scan0203 | Postponing the testing of a silent starter main and relay switch unit until minor modifications are made to the terminals. | ||
| View original record | To RHC. from EFC. X7650 EFC3/T1.2.26. SILENT STARTER. MAIN AND RELAY SWITCH UNIT Herewith we hand you back the unit which you prepared for test some weeks ago. We have postponed the tests of this unit… | ||
| scan0204 | Issuance of prints for an automatic switch and sequence starter motor, with notes on manufacturing and part suitability. | ||
| View original record | X 7650 C. EFC. BY/RD3/ML1 .2.26. E.A.C.V11 - SEQUENCE STARTER MOTOR. AUTOMATIC SWITCH - SEC:8060. In accordance with L.C.2195 please receive herewith prints of the following:- X D.70796-Switch Base. X… | ||
| scan0205 | Model from the Pattern Shop for checking internal clearances and the use of a moulded base. | ||
| View original record | (2). BY/RD3/ML2.1.26. Cont'd. model which we have requested the Pattern Shop to make is completed so that we may be able to check the internal clearances all round. This will not prevent the unit… | ||
| scan0206 | General table of specifications for relay switch gaps. | ||
| View original record | X7650 GENERAL TABLE FOR RELAY SWITCH GAPS 1/2 Position. Gap on upper contact. Gap between pole core & armature. Gap on lower contact. Gap at carbon contacts. OFF O A + B δ B -Ec. Carbons in contact… | ||
| scan0207 | The issuance of prints for sequence starter and starter switch parts. | ||
| View original record | X7650 To RHC. C. EFC. BY/RD5/AL16.2.26. E.A.C.V11 - SEQUENCE STARTER. STARTER SWITCH-SEC:8240. In accordance with L.eC.2199, we send you herewith prints of the following parts:- D.71101-Switch Base.… | ||
| scan0208 | Adjustments and a table of gap specifications for a silent starter combined main and relay switch. | ||
| View original record | To RHC. from EFC. X8650 SILENT STARTER COMBINED MAIN & RELAY SWITCH. Having considered the matter of the silent starter on 9-EX we have decided that to improve the operation it is necessary to reduce… | ||
| scan0209 | Experimental record sheet for the E.H.C. M+R Switch A, tracking testing, modifications, and mileage. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS E.H.C. M+R Switch. A X. No. 8650 X8650 Date on. | Location. | Date off. | REMARKS. | Miles Reading start. | Miles Reading finish. | Miles Covered. | Total Miles.… | ||
| scan0210 | Production test table for a silent starter combined main and relay switch unit. | ||
| View original record | X8650 Unrevised tables PRODUCTION TEST TABLE OF EAC. SILENT STARTER COMBINED MAIN AND RELAY SWITCH UNIT. (A) MAIN SWITCH UNIT. | Date. | Unit number. | (2) (3) (4) Gap remarks. | (5) amperes 2.20 to… | ||
| scan0211 | Production test table for a silent starter combined main and relay switch unit. | ||
| View original record | PRODUCTION TEST TABLE OF EAC. SILENT STARTER COMBINED MAIN AND RELAY SWITCH UNIT. II. RELAY SWITCH UNIT. Copper Contact Pressure for 30 Amperes | Date. | Unit number. | (1) Gen Remarks. | (2) Top… | ||
| scan0212 | General table and a table of suggested limits for main switch gaps. | ||
| View original record | x7650 9.3.26. GENERAL TABLE FOR MAIN SWITCH GAPS. (Main and relay switch unit). Position. | Gap between pole core and armature stop. | Copper gap. | Carbon gap. --- | --- | --- | --- Off. | A + C/2 |… | ||
| scan0213 | General table and suggested limits for relay switch gaps of a main and relay switch unit. | ||
| View original record | X7650 9.3.26. GENERAL TABLE FOR RELAY SWITCH GAPS. X8650 (Main and relay switch unit). Position. | Gap on upper contact. | Gap between pole core & armature. | Gap on lower contact. | Gap at carbon… | ||
| scan0214 | Specification for the production, inspection, adjustment, and testing of a combined main and relay switch unit. | ||
| View original record | X7550 VERSION 1. EFC/T9.3.26. X.7650 X.8781. COMBINED MAIN SWITCH AND RELAY SWITCH UNIT. SPECIFICATION OF PRODUCTION, INSPECTION, ADJUSTMENT & TEST. I. INSPECTION. (1) Ascertain that the copper… | ||
| scan0215 | Specifications and adjustment procedures for a main switch unit, including contact gap measurements. | ||
| View original record | -2- Contd. (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 necessary, it… | ||
| scan0216 | Test procedures for a main switch, specifying current, voltage, and pressure parameters. | ||
| View original record | -3- Contd (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 parallel is necessary… | ||
| scan0217 | Specifications and test procedures for a relay switch, including a table of gap measurements and tolerances. | ||
| View original record | -4- Contd. SECTION III. RELAY SWITCH. (1) Check over the various gaps which should be in accordance with the following table:- Position. Gap at Gap between Gap at Gap at upper pole core & lower carbon… | ||
| scan0218 | Page of test procedures for a relay switch unit, continued from a previous page. | ||
| View original record | -5- Contd. (3) It shall be verified that with the switch arm in the "off" position, the combined rating and set of the main spring is such that a current through the fine wire coil lying between the… | ||
| scan0219 | Specification sheet showing gap measurements for the Silent Starter Main and Relay Switch Unit on model 9-EX. | ||
| View original record | /7650 15.3.26. SILENT STARTER MAIN AND RELAY SWITCH UNIT ON 9-EX. B Unit at present. Gaps on Contact. MAIN SWITCH. Position Armature to core gap. Copper gap. Carbon gap.… | ||
| scan0220 | Overhaul of a Silent Starter Combined Main & Relay Switch Unit removed from car 9-EX. | ||
| View original record | To RHC. from EFC. X7650 EFCl/T10.3.26. X.7650. SILENT STARTER COMBINED MAIN & RELAY SWITCH UNIT. We are sending you herewith this unit which was removed from 9-EX and which has been replaced by the on… | ||
| scan0221 | The distribution of a general arrangement print for a Starter Switch. | ||
| View original record | X7650 TO EMC. C. EFC. BY/RD3/ML.3.6.26. E.A.C.V11 - STARTER SWITCH - SEC:8240. Please receive herewith one print of D.71122 General Arrgt: of Starter Switch. One print for EFC. for reference to table… | ||
| scan0222 | Minor alterations to the gaps of the sequence silent starter. | ||
| View original record | To BY/RD. from EFC. X7650 EFC6/T10.6.26. X. 7650. SEQUENCE SILENT STARTER. For better operation of the main switch and relay switch on the main and relay switch unit, we found it desirable to make… | ||
| scan0223 | From EFC to RHC about adjustments to the Silent Starter and Combined Main & Relay Switch Unit. | ||
| View original record | To RHC. from EFC. X7650 EFC9/T10.6.26. X.7650. SILENT STARTER & COMBINED MAIN & RELAY SWITCH UNIT. With reference to your note you had already adjusted one unit to suit the revised table of gaps given… | ||
| scan0224 | Adjustments and gap specifications for an automatic switch and sequence silent starter. | ||
| View original record | X2652 BY/RD5/ML15.6.26. C. EFC. E.A.C. Vll. AUTOMATIC SWITCH. SEQUENCE SILENT STARTER. I have received from EFC. a revised table of gaps for this switch and they do not agree with the gaps shewn on… | ||
| scan0225 | Specification table detailing the required gaps for a relay unit in various operational positions. | ||
| View original record | (2) BY/RD5/ML15.6.26. Cont'd. RELAY UNIT. Position. Gap on upper contact. Gap between pole core & armature. Gap on lower contact. Gap at carbon contacts. Off. 0 .042+8 -6 .053+10 -5 -.040+10… | ||
| scan0226 | Modified sequence silent starter main switch and the requirement for official drawings for the Experimental Shop. | ||
| View original record | X7650 To EY/RD. from EFC. EFC1/T21.6.26. SEQUENCE SILENT STARTER MAIN SWITCH. Sometime ago we handed to you a combined main and relay switch unit in which the fixed but flexible main switch contact… | ||
| scan0227 | Particulars of a resistance unit in parallel with the main switch coil, including dimensions, resistance, and material specifications. | ||
| View original record | X. 7650. EFC/T5.7.26. PARTICULARS OF RESISTANCE UNIT IN PARALLEL WITH MAIN SWITCH COIL. 27" 32 SWG. (.0108" dia.) Resistance approximately 10 ohms. "Glowray" wire. Temperature coefficient = .00023 per… | ||
| scan0228 | Adjustment scheme for an automatic switch sequence starter. | ||
| View original record | X7650 C. EFC. BY/RDS/ML.15.7.26. Hs RECEIVED 21 JUL 1926 AUTOMATIC SWITCH - SEC:8060. SEQUENCE STARTER. When considering the relay side of the automatic switch L.G.P. D.71096 with its fixed contacts… | ||
| scan0229 | Order for 3 adjustable contact screws for the Experimental Department. | ||
| View original record | x7650 To Wd. from EFC. EFC2/T21.7.26. Will you kindly order up for the Ex'l. Dept. 3 - Adjustable contact Screws, D.71170. Reference of D.O. instruction :- By/RDS/ML15.7.26. EFC. | ||
| scan0230 | Telegram received by telephone, requesting a Phantom automatic switch urgently for inspection. | ||
| View original record | RR 144A (50BKS.) (DB 914 6 5-25) MP 317354 X7650 ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. STAMP: FD FEB 1 1927 RECEIVED Time Received: 2 37 Date: 1. 2. 27 To: Toblack Royce Derby By: GEd from:… | ||
| scan0231 | Design progress of a new automatic switch unit for a starter motor. | ||
| View original record | X7650 To BY. from AJS. c. to EFC. AJS1/M27.1.27. EAC.7. STARTER MOTOR. X.7655 X.7650. X.7625. Replying to your EY12/H25127, we have almost completed the design for the new automatic switch unit used… | ||
| scan0232 | Dispatch of a Phantom sequence starter switch for examination. | ||
| View original record | To AJS. from EFC. X7656 EFC2/T2.2.27. SEQUENCE STARTER. As suggested in your telegram of yesterday we are sending you under separate cover a Phantom sequence starter main and relay switch unit, this… | ||
| scan0233 | Despatch of a sequence starter and relay switch unit for inspection at West Wittering. | ||
| View original record | x7655 To Wd. from EFC. EFC3/T2.2.27. X.7655. SEQUENCE STARTER. We hand you herewith sequence starter main and relay switch unit. Will you kindly have this despatched to Mr. Stent at West Wittering for… | ||
| scan0234 | Use of a duplex switch and combining parts of two different starter schemes. | ||
| View original record | To AJS. from EFC. c. BY. BY/RD. X7650 EFC3/T3. 2. 27. SEQUENCE STARTER No.2. SCHEME. X7650 X7625 Reference your AJS1/M27.1.27, third paragraph, I do not think we ought to use, as you suggest, the… | ||
| scan0235 | Continued memo discussing the elimination of faults in a pinion operated switch using the No.2 scheme. | ||
| View original record | Contd. -2- EFC3/T3.2.27. and pinion operated switch. These faults we hope will be largely eliminated by the application of the lower portion of the No.2. scheme. EFC. | ||
| scan0236 | Operating conditions and electrical specifications for the EAC silent starter gear. | ||
| View original record | X7650 EFC/T7.2.27. EAC. SILENT STARTER GEAR. CONDITIONS FOR CORRECT OPERATION. Note 1. Then negative of the battery is earthed. Supply of current at 11, 10 1/2, or 9 volts, as the case may be, (see… | ||
| scan0237 | The conditions for correct operation of electrical circuits, including amperage and resistance values. | ||
| View original record | -2- Contd. The conditions of correct operation as regards this first circuit will therefore be :- (a) The actuator box must be capable of doing all that is required of it with a current of 15.5… | ||
| scan0238 | Electrical specifications for the operation of a main switch and associated circuits. | ||
| View original record | -3- Contd. (a) The main switch must be definitely operated from the "off" position by a current of 2.2 amperes. (b) The current must be capable of being broken reasonably sparklessly. (c) When the… | ||
| scan0239 | Description of the operation of Circuit 4 (HOLD OFF). | ||
| View original record | -4- Contd. Circuit 4. HOLD OFF. (Green). Immediately the main current circuit is made and the relay switch pulled over, circuit 1 is broken and circuit 4 is made. Circuit 4 supplies a current through… | ||
| scan0240 | Request for the return of a Sequence Starter main switch which is holding up a car. | ||
| View original record | To AJS. from Hs/AJL. X.7650 Hs/AJL1/LG4.3.27. We should be glad if you could return the Sequence Starter main switch sent to you some time ago, as soon as is convenient. The switch was taken off a… | ||
| scan0241 | Return of a damaged sequence starter switch unit for a 9-EX chassis. | ||
| View original record | X 7650 To RHC. from EFC. c. Hs/AJL. EFC1/T11.3.27. We hand you back the sequence starter combined main and relay switch unit which was taken from 9-EX to be sent to W.W. This should now be replaced on… | ||
| scan0242 | Preliminary report on a sequence starter motor which is not functioning correctly due to frictional and torque issues. | ||
| View original record | To R. from EFC. c.c. BJ. X7650 EFC4/T7.5.27. SEQUENCE STARTER - R2/M3.5.27. X7650 X7625 The sequence starter has been arranged on a car with the combined main and relay switch unit and duplex push… | ||
| scan0243 | The arrangement and advantages of the No. 2 scheme sequence starter. | ||
| View original record | x7610 To R. from EFC. c. BJ. EFC1/T10.5.37. SEQUENCE STARTER. x7623 x7655 Further to our EFC4/T7.5.27, and in more detailed answer to your R2/M3.5.27, the arrangement for trial of the No.2 scheme… | ||
| scan0244 | Test report detailing engagement faults between the motor pinion and the flywheel. | ||
| View original record | -2- Contd. teazer terminal to the carcase in the first instance, and from the teazer terminal to positive brush (to prevent the current going through the armature) in the second instance. On a… | ||
| scan0245 | Design difficulties of a motor unit, comparing it with a standard and a post-war Bosch motor. | ||
| View original record | -3- Contd. than in the other case. It would appear that the difficulty in the design of this unit is to produce sufficient magnetic flux to set up a large longitudinal pull without at the same time… | ||
| scan0246 | Comparison of motor winding arrangements and mechanical engagement, specifically against a Bosch motor. | ||
| View original record | EFCl/T10.5.27. -4- Contd. occupied by the teazer winding on each of the two poles being larger than the space occupied by the main winding on the other two poles. Further, the electrical connections… | ||
| scan0247 | Continued discussion on motor armature engagement issues and experimental modifications to the teazer winding. | ||
| View original record | -5- Contd. range, when tried on the bench with a battery. Our machine does not go definitely in. It would appear that there is still some longitudinal pull on the Bosch armature when it is right up… | ||
| scan0248 | Report page discussing trials to suppress armature rotation and comparing RR and Bosch motors. | ||
| View original record | -6- Contd. see what other trials to make, but if we have any means of suppressing the rotation of the armature by bye-passing some of the armature current though still leaving a small turning effect… | ||
| scan0249 | The installation and function of an EAC Sequence Starter No. 2A on chassis 14-EX. | ||
| View original record | X7650 EFC7/T31.8.27. To R. from EFC. c. HJ. BY. c. Wor. EAC. SEQUENCE STARTER NO. 2A SCHEME. MOTOR WITH SLIDING ARMATURE. X 7620 Further to our EFC1/T24.8.27, this starter is now fitted up on chassis… | ||
| scan0250 | Specifications and development of the No. 2A scheme sequence starter. | ||
| View original record | To R. from EFC. c. BJ. E. c. BY. EY/RD. 7650 EFC6/T6.9.27. NO.2A SCHEME SEQUENCE STARTER. X.7625A X.7650 No.2A scheme of sequence starter which you have recently seen on chassis 14-EX is the No.2A… | ||
| scan0251 | Continuation page discussing further design proposals and items for an experimental chassis. | ||
| View original record | Contd. -2- EFC6/T6.9.27. We have each of the two items (2) and (3) associated with a No.1 item on experimental chassis. Further proposals for which we have not received working designs from WW. are :-… | ||
| scan0252 | New main circuit switch for the Phantom starter gear to eliminate a 'thump' sound on engagement. | ||
| View original record | ~~TO BY.~~ FROM AJS. Copy to - ~~CJ~~ HS. 7650 AJS1/M12.12.25. NEW PHANTOM STARTER GEAR (STARTER ON ENGINE.) ~~X8650~~ X7650 We send herewith drawing LeC. 2179. - New Phantom starter main circuit… | ||
| scan0253 | Specification for the production inspection and test of a pinion-operated switch. | ||
| View original record | X.7650. EFC/T9.7.26. (VERSION 1) X.7650. PINION OPERATED SWITCH. X.7781. SPECIFICATION OF PRODUCTION INSPECTION AND TEST. (1) Inspection shall be made that :- (a) With the spring contact held off, the… | ||
| scan0254 | Electrical experimental record sheet for a sequence starter pinion operated switch. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS A. X.&No:- 7650 Sequence Starter pinion operated switch. | Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles… | ||
| scan0255 | Electrical experimental record sheet for a sequence starter pinion operated switch. | ||
| View original record | B. ELECTRICAL EXPERIMENTAL RECORD SHEETS X.&No:- 7650 Sequence Starter pinion operated switch Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles… | ||
| scan0256 | Information regarding the electric starter press button switch, its installation, and compatibility. | ||
| View original record | x8651 Copy. Secret. EAC.II. BY from E. c. CJ. E1/M. 25.7.24. Electric Starter - Press Button Switch. We send you herewith LeC.1904 shewing the above. This switch is intended to be fixed to the… | ||
| scan0257 | E.A.C.II electric starter push button switch for the 40/50 HP chassis. | ||
| View original record | x8657 Hs. BY10/H. 8. 8. 24. E.A.C.II. ELECTRIC STARTER. PUSH BUTTON SWITCH. I notice that you have not received a copy of E1/M. 25. 7. 24, which I am attaching hereto. You will note that E. proposes… | ||
| scan0258 | Parts list and instructions for an E.A.C.11 push button switch. | ||
| View original record | To R.M.C. C. EFC. X8651 BY/RD3/ML.29.8.24. X.9652 - E.A.C.11 PUSH BUTTON SWITCH. Please receive herewith 1 Blueprint of the following parts detailed from Lec.1904. X. D.70764 - Switch Base. X. D.70765… | ||
| scan0259 | Dispatch of two prints for a Switch Cover, part of an E.A.C.11 push button switch assembly. | ||
| View original record | X8657 TO RMS. (crossed out) C. EFC. BY/RD6/ML.5.9.24. X.9652 - E.A.C.11. PUSH BUTTON SWITCH. We send you herewith 2 prints of D.70763 - Switch Cover, which was held up in our memo BY/RD3/ML.29.8.24.… | ||
| scan0260 | Instructions and specifications for an EAC Push Button Switch, including gap and limit values. | ||
| View original record | ROLLS-ROYCE LTD. INSTRUCTIONS. To: E F C Order No.: PC 89 Customer's No.: X 8651 EAC Push Button Switch. B. The gaps and limits decided upon for the above type of switch are as follows:- Position |… | ||
| scan0261 | Gaps and limits for setting a push button switch. | ||
| View original record | X8651 To RHC. from EFC. c. BY/RD. EFC2/T20.11.24. X.8651. PUSH BUTTON SWITCH. We return to you EAC. push button switch B. The gaps and limits decided upon for this type of switch are as follows :-… | ||
| scan0262 | Gap measurements and button depression for a push-button switch. | ||
| View original record | X8651 To EFC. BY/RD/ML14. 1. 25. X.8651 - PUSH BUTTON SWITCH. Referring to your EFC2/T20. 11. 24. we suggest that the figures for the various gaps should be given as shown hereunder as we think it is… | ||
| scan0263 | Confirming the agreed figures for gaps on the EAC push button switch and the decision to lengthen a carbon. | ||
| View original record | EFC. X.7650 -.1.25 It has been confirmed with BY/RD that the figures for the various gaps on the EAC . push button switch, given in EFC1/T16.1.25, were agreed to by him, and, as a result of that memo,… | ||
| scan0264 | Instructions detailing figures and gaps for an EAC Push Button Switch, comparing them to previous specifications. | ||
| View original record | RR 238 (150 BKS.) (SH57. 29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To EFC Order No. PC 90 Customer's No. X 8651 Jan. 15th 1925 X8651 EAC Push Button Switch The figures for the various gaps… | ||
| scan0265 | Instructions on the correct setting of copper and carbon gaps, allowing for wear. | ||
| View original record | RR 238 (150 BKS.) (SH57.29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No. PC 90 (2) Customer's No. half its total distance only; before the carbons met; thus ensuring that the break took… | ||
| scan0266 | Modified figures and allowances for a push button switch, including carbon and copper gaps. | ||
| View original record | To BY/RD. from EFC. Y8651 EFC1/T16.1.25. X.8651. PUSH BUTTON SWITCH. In reply to your BY/RD7/ML14.1.25, after making allowances for the initial button depression, the figures you give for the initial… | ||
| scan0267 | Modification to the sequence starter's press button to prevent motors continuously driving the engine. | ||
| View original record | X850 TO DFG FROM R. Copy to - OI BY HS. re. SEQUENCE STARTER. X7650 We have found an excellent way for definitely preventing the undesirable phenomenon found by you - i.e. possibility of motors… | ||
| scan0268 | Confirming work is paused on a new proposal pending further instructions and ideas. | ||
| View original record | X.7650 E. [struck through] C. BY/RD. [struck through] c. EFC. BY3/H. 1.12.25. Referring to RL/M.25.11.25. we take it you appreciate that we are now waiting for LeC's in regard to R's ideas as… | ||
| scan0269 | Design of a duplex press button starter switch and its associated wiring diagram. | ||
| View original record | X8650 TO BY, FROM AJS. AJS1/M20.1.26. C. to - [redacted] EFC. [redacted] re. SEQUENCE STARTER. Referring to the duplex press button starter switch we are designing for this, we send you herewith a… | ||
| scan0270 | Design principles for a duplex press button switch for the New Phantom model. | ||
| View original record | TO B.Y. FROM AJS. Copy to - OJ. HS. EFO. X7650ps AJS2/M2.2.26. DUPLEX PRESS BUTTON SWITCH. NEW PHANTOM. X7657 We have received no adverse comment upon sketches we sent to R. recently indicating the… | ||
| scan0271 | Request to prepare a sequence starter circuit diagram for reproduction in an instruction book. | ||
| View original record | BY/NW. c. to EFC. X7650 BY/C5/G.5.2.26. EAC.7 SEQUENCE STARTER CIRCUIT DIAGRAM. We hand you herewith blue print of Lec.2199 showing the Duplex Press Button Switch for the above, which will enable you… | ||
| scan0272 | Diagram of a duplex press button switch for a new Phantom sequence starter. | ||
| View original record | THE COLORED CONDUCTORS REFER TO TECHNICAL DIAGRAM LEC 2194 LEC 2199 SAME TYPE OF BOLTS & NUTS AS USED ON SINGLE TYPE SWITCH STARTER DUPLEX PRESS BUTTON SWITCH FOR NEW PHANTOM SEQUENCE STARTER Sect… | ||
| scan0273 | Specifications and ratios for a duplex push button switch. | ||
| View original record | X. 7650 24.6.26. DUPLEX PUSH BUTTON SWITCH. Fulcrum to button .825" Fulcrum to copper contact. 1.175" Fulcrum to carbon contact. 1.500" Ratio copper contact arm / button arm = 1.425 θ Ratio carbon… | ||
| scan0274 | Tables specifying the operational positions, component gaps, and depression formulas for duplex push button switches. | ||
| View original record | x7610.ps. 25.6.26. 7c/c DUPLEX PUSH BUTTON SWITCH TABLES. Position. | Button depression. | Copper gap. | Carbon gap. Off. | A | B | Ψ (B-C) Carbons in contact. | A + (B-C)/θ | C | O Coppers in… | ||
| scan0275 | Specification table detailing the gaps and button depression for a duplex push button switch. | ||
| View original record | 25.6.26. DUPLEX PUSH BUTTON SWITCH. Gaps as arranged on switch A. | Position. | Button depression. | Copper gap. | Carbon gap. | | :--- | :--- | :--- | :--- | | Off. | .036" | .027" | .020" | |… | ||
| scan0276 | Table of specified gaps for a new duplex pushbutton switch. | ||
| View original record | To BY/RD. from EFC. X7650 ps EFC3/T30.6.26. X.7650. DUPLEX PRESSBUTTON.SWITCH. Herewith we hand to you copy of table of specified gaps in connection with the new duplex push button switch. Would you… | ||
| scan0277 | Table of specified gaps for the new duplex push button switch. | ||
| View original record | To BY/RD. from EFC. X7650 EFC2/T5.7.26. X.7650. DUPLEX PRESS BUTTON SWITCH. Herewith we hand to you copy of table of specified gaps in connection with the new duplex push button switch. Would you… | ||
| scan0278 | Instruction to reroute the current supply for the silent starter's push-button switch to bypass the ammeter. | ||
| View original record | To EY/HEB. from EFC. x7650 EFC2/T6.7.26. 1 SILENT STARTER - SUPPLY OF CURRENT TO PUSH BUTTON SWITCH. x 7560 We have decided that the supply to the push button switch is not to be taken through the… | ||
| scan0279 | Production inspection and test specification for a duplex button switch. | ||
| View original record | (VERSION 1) x7650 EFC/T9.7.26. X.7650. DUPLEX BUTTON SWITCH. X.7781. SPECIFICATION OF PRODUCTION INSPECTION AND TEST. (1) Inspection shall be made that :- (a) The carbon contacts exactly bed together,… | ||
| scan0280 | Rebuilding of chassis EAC.7 and improvements to its Type 1 starter motor. | ||
| View original record | To HS.) FROM R. EFC) (7650) c. BJ. Wor. Da. c. BY. E. R3/ML2.7.27.- EAC.7. MODEL CHASSIS. X.7770. X.7650. This will ultimately be rebuilt into the EAC.10. type. Parts which can be used on Phantoms… | ||
| scan0281 | Specifications and modifications for a Duplex Press Button Switch, including a table of gaps. | ||
| View original record | To EFC. BY/RD/ML1 3.7.26. DUPLEX PRESS BUTTON SWITCH - E.A.C.V11. We have today instructed to RHC. the packing suitable to produce the modified gaps as attached - these are not quite the same as yours… | ||
| scan0282 | Specifications and calculations for a contact mechanism, including dimensions, ratios, and gap tolerances. | ||
| View original record | 13.7.26. Fulcrum to button .825" Fulcrum to copper contact. 1.187" Fulcrum to carbon contact. 1.500" Ratio copper contact arm / button arm = 1.439 θ Ratio carbon contact arm / button arm = 1.818 ø… | ||
| scan0283 | Parts to be supplied for a starter switch modification test. | ||
| View original record | X7650 C . EFC. BY/RD1/ML14.7.26. RECEIVED E.A.C. Vll - STARTER SWITCH - SEC:8240. In order to have small gaps to EFC's request and also to make the pick up of the push rod on to the armature less… | ||
| scan0284 | Specification sheet detailing measurements and ratios for a Duplex Push Button Switch. | ||
| View original record | x 7630 15.7.26. DUPLEX PUSH BUTTON SWITCH. Fulcrum to button .825" Fulcrum to copper contact. 1.187" Fulcrum to carbon contact. 1.500" Ratio copper contact arm button arm = 1.439 θ Ratio carbon… | ||
| scan0285 | Tables specifying the operational gaps and button depression for a duplex push-button switch. | ||
| View original record | 15.7.26. DUPLEX PUSH BUTTON SWITCH TABLES. Position | Button depression. | Copper gap. | Carbon gap. --- | --- | --- | --- Off. | A | B | ψ (B - C) Carbons in contact. | A + (B-C)/e | C | 0 Coppers in… | ||
| scan0286 | Cover memo for revised tables of gaps relating to duplex push button switches. | ||
| View original record | x 7650. To BY/RD. from EFC. EFC3/T15.7.26. DUPLEX PUSH BUTTON SWITCH TABLES. In view of your BY/RD1/ML13.7.26. herewith please receive revised tables of gaps, which will you kindly allow to supersede… | ||
| scan0287 | Simplified sequence starter scheme, a patent question, and instructions for a new design. | ||
| View original record | To R. from EFC. c. BJ. E. c. By. Eor. X865D EFC/T4.1.28. SEQUENCE STARTER SIMPLIFIED SCHEME. X7655B We have noted the remarks contained in your RL/M23.12.27 and will ask for the question of the patent… | ||
| scan0288 | Sequence starter memo attaching a copy of a previously referenced document. | ||
| View original record | To R. from EFC. x8657 EFC2/T5.1.28. SEQUENCE STARTER. Further to our EFC1/T4.1.28 we now attach copy of LeC.1904 referred to therein. EFC. | ||
| scan0289 | Table of gap measurements and tolerances for a push button switch. | ||
| View original record | X7650 13.11.28. PUSH BUTTON SWITCH TO LEC.1904. (D.70790) TABLE OF GAPS. Position. Carbon gap. Copper gap. Button depression. Off .063 +12/-13 .090 +15/-15 .026" Carbons in contact. O .040 +5/-5 .055… | ||
| scan0290 | Instructions on the examination of a duplex push button switch after extensive mileage. | ||
| View original record | X/7650 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.F.C. Date: 14-5-1929 Order No.: WD62 Customer's No.: X 7650 Duplex push button switch to original design LEC 2199. One of these switches was recently… | ||
| scan0291 | Alternative methods for starter motor lubrication. | ||
| View original record | X7650 X7625 S. DA. ) FROM R. HS. DY. ) (At Le Canadel.) SECRET. R4/M18.3.29. REC'D AT WW. 22.3.29. C. to SG. WOR. EFG. STARTER MOTOR LUBRICATION. X7625 LeC. 2683. This is a minor item but we should… | ||
| scan0292 | Extract from Mr. Hancock's report on the satisfactory performance of a distribution board and an automatic switch. | ||
| View original record | X7650 30.529. Extract taken from Mr.Hancock's report of 2.5.29. X.7740 X.7650. DISTRIBUTION BOARD LOP D.71643 AUTOMATIC SWITCH LOP. D/181D LEC 2620 We have not observed any defects in these fittings,… | ||
| scan0293 | Bodywork details, including screens, wipers, horns, and door construction. | ||
| View original record | X5850 R. from DA/EV. SECRET DA/EV3/M23.1.29. c. BJ. Wor. SG. LHS. Hs. EY. C. CX. RE BODYWORK, ETC. X.7830 X.5830 X.5550 A single piece screen either permanently fixed or hinged at the top is becoming… | ||
| scan0294 | Suggestions and issues related to mounting the Lucas H.F. horn on the front of a 25HP car. | ||
| View original record | BY. FROM DA. C. to SG. WOR. HS. E. J. S. & 25HP. HORN. K5550. DA2/M29.3.32. X.5550. Herewith we send N.schemes 3441/42, suggestions for mounting the Lucas H.F. horn in the front of the car. Mounting… | ||
| scan0295 | Unstable Klaxon horn support on the 12-EX model, which vibrates excessively and requires modification. | ||
| View original record | To BY. from Hs/GWH. c. to BY/SS. X7550 Hs/GWH2/LGS. 7.26. RE. KLAXON SUPPORT TO N. SCH. 2123. FITTED TO 12-EX - EAC-Vlll. ~~X1163~~ X7550 The support of the Klaxon horn allows it to vibrate and we do… | ||
| scan0296 | Difficulty with the SS. oil filler position relative to the klaxon horn and proposing a solution. | ||
| View original record | R. FROM E. Copy to BG. HS. BY. EFC. SECRET X7550 E3/M17.1.29. SS. OIL FILLER. There is some difficulty on SS. with the oil filler due to the klaxon horn occupying a position almost immediately above… | ||
| scan0297 | Chassis Alteration No. 7, proposing to replace the Klaxon horn with a Sparton S-O-S DeLuxe and relocate its mounting to the cylinder head. | ||
| View original record | H/S X7550 thor [crossed out] OY7- February 6th, 1929. Mr. A.F. Sidgreaves, Rolls Royce Limited, London, England. [crossed out] cc - Mr. Royce Derby Works ✔ Dear Mr. Sidgreaves: Report on Chassis… | ||
| scan0298 | Page two of a letter regarding the mounting and supply of horns. | ||
| View original record | - 2 - The horn is carried on a conventional spring-type bracket, supplied by the makers. We shall be glad to supply any number of these horns that you may require. Yours faithfully, ROLLS ROYCE OF… | ||
| scan0299 | Close-up photograph of a large multi-cylinder engine with a prominent air intake horn. | ||
| View original record | 3 281 A | ||
| scan0300 | Potential for in-house manufacturing or licensing of electrical accessories like screen wipers and horns. | ||
| View original record | SG. from R. c. Wor. Da. F. c. FFC. Hs. By. X7550 R4/M23.2.29. ACCESSORIES OF HIGHEST QUALITY X.4478 X.7550 I should like our management to consider whether it would pay us to make any further… | ||
| scan0301 | Manufacture of high-quality electrical accessories, such as windscreen wipers and horns, in-house versus adopting German-made Bosch products. | ||
| View original record | To R. FROM Sg. Copy to MOT.D.H.E. EFC.H.R. HS X7550 Sg12/El.3.29 Re Accessories of Highest Quality. X.4478 Thanks for R4/M23.2.29. I certainly think it would be a good idea for our people to… | ||
| scan0302 | Change from a Klaxon rotary horn to a buzzer-type horn, evaluating Bosch and Sparton models. | ||
| View original record | x7550 CY. from Hs. c. Sg. Wor. Hsl./LG5.3.29. CHASSIS ALTERATION NO.7. X.1069 X.7550 X.1163 X.4278 HORN ON CYLINDER It is probable, in a short time, we shall depart from the Klaxon rotary type of horn… | ||
| scan0303 | Fitting a Bosch horn to car 25-EX due to the unavailability of an English substitute for the American market. | ||
| View original record | AJL Please order XJ 550 Bosch Horn for 25EX HS To Hs. from Sg. Sg1/D2.8.30. Re: Horns. Here is a copy of what Oy. says. It seems that the best thing to do is to fit 25-EX. with a genuine Bosch horn… | ||
| scan0304 | Typed memo discussing the replacement of the obsolete rotary Klaxon horn with alternatives from Robert Bosch or Luvax for the L.H. Phantom II model. | ||
| View original record | COPY. HORNS. August 1, 1930. Dear Sg., In reply to Sg15/D30.7.30 I have had a word with Rm. about Horns for L.H. P.II. First: It was generally agreed by all at Derby that the rotary Klaxon was… | ||
| scan0305 | J.S. to H.s. requesting an update regarding horns. | ||
| View original record | RECEIVED AUG 25 1930 S/W HS X 550 To Hs. from JS. re Horns. JS4/E25.8.30. Would you please let me know if there is anything further to report to Sg. in connection with his Sg1/D2.8.30. JS. | ||
| scan0306 | Search for a suitable English-made horn, comparing options from Klaxon, Bosch, and in-house manufacturing. | ||
| View original record | X7550 C. from Da/Ev. c. R. Hs. Da/Ev1/M26.8.30. X.7550. RE HORNS X.1163b. X.6031. Since the early part of 1929. R. and the Exp. Dept. have criticised our standard Klaxon, and efforts have been made to… | ||
| scan0307 | Fitting of different horns (Bosch, Klaxon, Lucas) to vehicles 25-EX and 26-EX. | ||
| View original record | To Sg. From Hs. c. to Wor. S 550. Hs.6/MJ.29.8.30. X7120. Replying to Sg.1/D2.8.30. We have arranged to fit a genuine Bosch horn on to 25-EX. In the meantime we are running with samples from the… | ||
| scan0308 | Preference for British Klaxon or Lucas horns over German Bosch horns on the American chassis. | ||
| View original record | Hs x 7550 To Hs. from Sg. re Horns for L.H.P.II's. Sg18/E1.9.30 Copy to Wep. Thanks for Hs.6/MJ.29.8.30. My Sg15/D30.7.30 was written as the result of having a note from Oy. read to me on the… | ||
| scan0309 | Fitting horns to left-hand drive Phantom II chassis destined for America. | ||
| View original record | Sg. From Hs. C. to Wor. Hs.1/MJ.3.9.30. HORNS FOR LEFT-HAND PHANTOM 11 CHASSIS. --------------------------------------- Sgl8/El.9.30. We suggest that as horns are an article which we buy out, it might… | ||
| scan0310 | Supply of horns, clocks, and speedometers for the American L.H.Phantom II chassis. | ||
| View original record | COPY. X7550. To Hs. From Sg. c. to Wor. Tr. re Horns for L.H.P.11 Chassis. Sg9/E4.9.30. X.7772. X.7550. X.4308. X.4682. I am inclined to agree your views as expressed in Hs.1/MJ.3.9.30, that is to… | ||
| scan0311 | Position on electric clocks and speedometers for the Left-Hand Phantom II Chassis. | ||
| View original record | To Sg. From Hs. c. to Wor. c. to Tr. X 550. Hs.2/MJ.5.9.30. X.7772. X.7550. X.4308. X.4682. LEFT-HAND PHANTOM II CHASSIS. Sg9/E4.9.30 The position as regards electric clocks is that we have one (The… | ||
| scan0312 | Letter regarding the trial and specification of a Sparton S.O.S. horn and its aluminum mounting bracket for chassis 25-EX. | ||
| View original record | X7550 Btn-1 December 11, 1930. Cc- Mr. Hives Mr. Ross Rolls Royce, Ltd., Derby, England. Attention: Mr. R.W.E.Bailey Dear Sir: Re: Horn Mounting We have tried a Model L Sparton S.O.S. horn on 25-EX… | ||
| scan0313 | Cross-reference note for information relating to 40/50 Horns. | ||
| View original record | X. 7550. 31.12.30. For further matter relating to 40/50 Horns (general) see X.6078. | ||