Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Describing a proposed scheme for a sequence starter motor, including a diagram and operational steps. | ||
| View original record | To EFC. from R. c. to BJ. RL/M22.9.26. x7658 SEQUENCE STARTER. x7625A x7620 In re-arranging this unit we have considered the following scheme which is shewn diagrammatically hereunder to be good - In… | ||
| scan0002 | Query regarding the end pull characteristics of a starter motor armature, including a diagram. | ||
| View original record | -2- Contd. (A) What is the end pull of the existing starter motor armature by teazer circuit magnetisation from one inch out to normal position, when the pull falls to nothing. We believe the curve… | ||
| scan0003 | New, simpler scheme for the Phantom Sequence Starter to prevent jamming. | ||
| View original record | To EFC) from AJS: " BY) c. to BJ. X7655 AJS1/M24.9.26. PHANTOM SEQUENCE STARTER - No.2 SCHEME. In reference to recent correspondences on the subject of the sequence starter we are sending you herewith… | ||
| scan0004 | Internal memorandum discussing the electrical examination of the Phantom Sequence Starter No.2 Scheme. | ||
| View original record | x7658 To AJS. from EFC. c. BJ. BY. BY/RD. EFC1/T1.10.26. PHANTOM SEQUENCE STARTER. No.2 SCHEME. x7656 We have, as requested in your AJS1/M24.9.26, carefully examined LeC.2298 from an electrical point… | ||
| scan0005 | Operation of an armature-operated push switch to prevent engine hunting effects. | ||
| View original record | Contd. -2- EFC/T1.10.26. the armature operated push switch could be made to work on the toggle principle, or with a certain amount of backlash as at present provided by the pinion operated switch ?… | ||
| scan0006 | Confirming instructions have been forwarded to modify a patent according to Mr. Royce's latest ideas. | ||
| View original record | TO EFC. FROM AJS. X7658. SEQUENCE STARTER. AJS1/M8.10.26. As we have received no comment from you regarding the second para. of AJS1/M24926., we have presumed you have no remarks to make, and have… | ||
| scan0007 | Sequence starter, confirming a reply has been resent. | ||
| View original record | X265-05 To EFC. from AJS. EFC2/T11.10.26. RE SEQUENCE STARTER. We have just received your note AJSL/M8.10.26, from which we understand that our reply to your AJSL/M24.9.26 has not reached you. We are… | ||
| scan0008 | Proposing a trial of a simplified sequence starter on the 20 HP model. | ||
| View original record | x7655 R7/M2.11.26. BY. }FROM R. TO EFC. HS. c. to - RJ. Wor. 20 HP. & 40/50 SEQUENCE STARTER. X.5650. X.7650/5. X.6091. HS. suggests we try our simplified sequence starter on the 20 HP. because the… | ||
| scan0009 | Redesigning a sequence starter for an EAC chassis, focusing on gear ratios and motor specifications. | ||
| View original record | To EFC. from AJS. c. BJ. EY. HS. X7625 AJSL/M9.11.26. SEQUENCE STARTER+ X7625 (crossed out) X7620. (crossed out) In redesigning this starter for EAC. chassis we shall endeavour to eliminate the… | ||
| scan0010 | Drawing for a Phantom direct drive starter motor, its positioning, and required modifications. | ||
| View original record | To EV. from AJS. c, to BJ. Hs. EFC. x76535 AJS1/M6.12.26. PHANTOM STARTER MOTOR. X.7625/7655. We send you herewith drawing LeC.2330, shewing Phantom direct drive 13 to 1 ratio starter motor, the… | ||
| scan0011 | Concerning the new Phantom Sequence Starter scheme for a car destined for Le Canadel. | ||
| View original record | To AJS. from EFC. c. BY/RD. X7655A EFC4/T6.1.27. X7655A PHANTOM SEQUENCE STARTER, NO. 2 SCHEME. X7625 It is understood that Mr. Royce is desirous of having this new sequence starter scheme on a car… | ||
| scan0012 | Design progress of a new automatic switch unit for the starter motor. | ||
| View original record | To EY. from AJS. c. to EFC. X7655 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… | ||
| scan0013 | Required specifications for stranded copper flexible cables in an automatic switch unit. | ||
| View original record | :revih Remarks on the running generally X7655 To EFC. from AJS. AJS1/M15.2.27. AUTOMATIC SWITCH UNIT In reference to this, which we expect to send you shortly, and which has been unavoidably delayed,… | ||
| scan0014 | Required cross-sectional area for an automatic switch unit. | ||
| View original record | To AJS. from EFC. X7655 EFC3/T16.2.27. AUTOMATIC SWITCH UNIT. Answering your AJS1/M15.2.27, we should think the suitably small cross section would be the equivalent of 16 SWG. with a cross sectional… | ||
| scan0015 | Design and material options for a Phantom Direct Drive Flywheel Starter's automatic switch unit. | ||
| View original record | To BY. from AJS. c. to EFC. PHANTOM DIRECT DRIVE FLYWHEEL STARTER - AUTOMATIC SWITCH UNIT - X. 7625. We send you herewith a print of LeC.2381., and shall be very glad if you will confirm that the main… | ||
| scan0016 | Sufficiency of the hold-on electromagnet for the Sequence Starter No.2 Scheme. | ||
| View original record | To AJS. from EFC. c. BY. X7653 EFC2/T8.3.27. SEQUENCE STARTER NO.2 SCHEME. Answering your AJS2/M3.3.27, it would appear, so far as I can tell from inspection of the drawing, that the hold-on… | ||
| scan0017 | Design memorandum discussing improvements for the Phantom Direct Flywheel Geared Starter Auto Switch Unit. | ||
| View original record | To AJS. HS. ) FROM R EFC. E. )Le Canadel). c. to BJ. Wor. BY. x2655 RL/M10.3.27. REC'D & DESPATCHED FROM WW.14.3.27. PHANTOM DIRECT FLYWHEEL GEARED STARTER. AUTO SWITCH UNIT. X.7625/55. Mr. Stent's… | ||
| scan0018 | Design memorandum with annotated sketches for a magnet-based electrical component. | ||
| View original record | Contd. -2- Avoid castings (except die castings) wherever we can. Do not let connections depend on pressure on insulations. Speaking generally I should prefer to fix the base to the chassis and then… | ||
| scan0019 | New 'RR sequence' starter motor system for the Phantom Starter. | ||
| View original record | To BJ. from R. c. OY. EFC? HS. SECRET X2633 R3/M2.5.27. PHANTOM STARTER. X.7655½ X.7625. EAC.7. is being fitted with a new starter motor system termed "RR sequence" (which we have had in hand some… | ||
| scan0020 | Continued note on the design and benefits of a nearly silent flywheel geared type system. | ||
| View original record | Contd. -2- R3/M2.5.27. We believe in this form it will be equal or superior to all others we know of. It is of the flywheel geared type, and that is one of the reasons for getting it out of gear and… | ||
| scan0021 | State and development of a sequence starter unit for EAC. 7. | ||
| View original record | TO EFC. FROM R. HS. C.c. to BJ. WCR. BY. [Handwritten]: X7655 re. SEQUENCE STARTER FOR EAC. 7. [Handwritten]: X7625 | ||
| scan0022 | Modifications and design considerations for a sequence starter. | ||
| View original record | REC. FROM R. C. to BJ. NOR. [crossed out] HS. BY. E. [crossed out] X7655A SEQUENCE STARTER. 3 R1/M7.9.27. X7655A/A V7625A/B Sch. 1. with spiral keys is now looked upon as obsolete and scrapped. Sch.… | ||
| scan0023 | Report comparing two sequence starter schemes, No.1 and No.2A, with a focus on preventing jamming during engagement. | ||
| View original record | To R. from EFC. c. BJ. E. c. EX. x7653A EFC4/T26.11.27. SEQUENCE STARTER. X7650 X7651B In our EFC2/T26.8.27, which was the last report on the sequence starter No.1 scheme, we explained why we were of… | ||
| scan0024 | The design and testing of gear teeth for a starting apparatus, focusing on noise reduction and engagement. | ||
| 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… | ||
| scan0025 | Experiment on gear noise reduction using different types of 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.… | ||
| scan0026 | Requesting a set of straight-toothed, sharp-cornered starter motor gears, summarizing previously issued gear types. | ||
| View original record | X7653A TO R.H.G. C. EFC. BY/RD3/ML2.12.27. E.A.C.7 - STARTER MOTOR. Please receive herewith blueprints of D.71510 - Pinion and G.76378 - Gear Ring, representing a set of gears having straight teeth… | ||
| scan0027 | Requesting a stop-work on specific gear rings and pinions, with a proposed alteration. | ||
| View original record | X76537 C. EFC. BY/RD2/ML.8.12.27. Will you please stop work on the following gear rings and pinions in view of R's. latest remarks - G.76375 & D.71509 - 5° Helical - Rounded ends. G.76378 & D.71510 -… | ||
| scan0028 | Solution for jamming sequence starter gears by altering the gear tooth design. | ||
| View original record | BY/RD. RHC. Hs. ------- X7655A BY9/G8.12.27. SEQUENCE STARTER. X.7625B. X.76255B. Mr. Royce in his memo R4/M2.12.27 is urging that possibly the rounded end of the teeth which is given to facilitate… | ||
| scan0029 | Preliminary trial of a 2A motor on an EAC.7 engine, focusing on the sequence starter's engagement and disengagement issues. | ||
| View original record | To R. from EFC. c. E.J. E. c. E.V. Wor. SEQUENCE STARTER. Further to our EFC4/T26.11.27 we have now got the 2A motor back on the EAC.7 engine fitted with parallel teeth with rounded corners for… | ||
| scan0030 | Gear disengagement noise, comparing issues with 50 helical teeth and suggesting a 10° angle as a potential solution. | ||
| View original record | -2- Contd. on disengagement is not as bad as it would otherwise be. I am informed by Mr. Lidsey that there was also some whirr on disengagement with the 50 helical teeth but this was comparatively… | ||
| scan0031 | Selection of a sequence starter scheme (2A, 2B1, or 2B2) for the EAC.1 engine. | ||
| View original record | To BY. from EFC. X7615A EFC8/T8.12.27. SEQUENCE STARTER- 2A or 2B, SCHEME. x7650/53B In conversation with Hs. we have decided that though it involves a new crankcase, we must have the EAC.1 engine… | ||
| scan0032 | Continued internal memo discussing the redesign of a scheme and the decision to abandon a previous 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… | ||
| scan0033 | Suggestion to pause making helical gears for the 14-EX car and instead test a new motor with helical teeth on the 9-EX car for comparison. | ||
| View original record | X7637 A C. EFC. BY/RD3/ML19.12.27. SEQUENCE STARTER. Re RHC7/BE.14.12.27, if the helical gears have not been made for 14-EX, we suggest that they should be left in abeyance at least until the car… | ||
| scan0034 | Modifications and arrangements for the Sequence Starter 2A and 2B schemes. | ||
| View original record | To R. from EFC c. BJ. E. c. Da. Hy. c. Wor. X7697 EFC6/T20.12.27. SEQUENCE STARTER 2A and 2B SCHEMES. B 2A scheme as arranged in the first instance on 14-EX had 5º helical teeth with rounded ends;… | ||
| scan0035 | Knock in the starter motor, its cause, and potential remedies. | ||
| View original record | Hs. ) From R. EFC. ) c.c. to BJ. BY. E. X7655A R8/M28.4.28. EAC.7. STARTER. X.7625E. X.7655 B. 14Ex I think the recently developed knock is the armature moving endways, due to the engine becoming very… | ||
| scan0036 | Starter motor issue and checking Mr. Royce's explanation by fitting a 9-EX starter to an EAC.1 chassis. | ||
| View original record | Hs. X7655A O. BY/RD. O. EEC. BY11/G.3.5.28. EAC.7. STARTER. Referring to R8/M28.4.28. the phenomena described by Mr. Royce could be definitely checked as to whether he is correct in his explanation of… | ||
| scan0037 | Fault with the starter on chassis 14-EX, suspecting a broken gear tooth. | ||
| View original record | RHC. from EFC. c. HS/AJL. c. BY. X7653A EFC2/T18.5.28. STARTER ON CHASSIS 14-EX. We have now examined this starter and the evidence points to there being something definitely wrong with the gear wheel… | ||
| scan0038 | The cause of unevenness in a starter gear, identified as a bad burr on the flywheel ring. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to E. DA. c. to BY. X7655 Hs2/LG22.5.28. STARTER ON 14-EX. X.7655 X.7300 We found the cause of the unevenness in the starter gear was due to a bad burr on the flywheel… | ||
| scan0039 | Starter fitment for the 14-EX car and the design of the starter button. | ||
| View original record | BJ. Extract from Hs2/LG31.5.28. (X.7770) X76557A 14-EX. CAR. With reference to BJ7/E30.5.28. It is not proposed to introduce the starter as fitted to 14-EX until we come on to the "SS" chassis. It has… | ||
| scan0040 | Inspection report on starter motor gears, identifying burrs on the flywheel gear ring caused by the pinion disengaging. | ||
| View original record | X7655 A To EFC. from RHC. RHC2/BE8.6.28. 14.EX. With reference to your EF2/T4.6.28. in which you state you are anxious to have the result of the inspection of starter motor gears on the above car. The… | ||
| scan0041 | Design and advantages of an improved sequence starter motor, with reference to drawing LeC. 2425. | ||
| View original record | x7655 B TO EFC. ) FROM R. HS. ) c.c. to BJ. WCR. SAC.7.(B) SEQUENCE STARTER. R1/M14.6.27. x7625 x7655 We send herewith drawing LeC. 2425. of the improved starter motor. Most of the parts are the same… | ||
| scan0042 | Difficulties and expense of fitting a No.1 sequence starter to an EAC.7 chassis. | ||
| View original record | To R. from EFC. c.c. BJ c.c. BY/SS. c.c. BY/RD. Handwritten: X 8650 (crossed out) Handwritten: 765373 X.7650. EAC.7 SEQUENCE STARTER. X.8650. The fitting of the No.1 scheme of sequence starter to… | ||
| scan0043 | List of sequence starter motor and gear schemes with their corresponding reference numbers. | ||
| View original record | X7653 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.… | ||
| scan0044 | Specification of the armature taper diameters for the J. motor fitted to chassis 14-EX. | ||
| View original record | X.7655B. EFC/T27.8.27. X.7625B. X.7655B. The armature taper on the J. motor fitted to chassis 14-EX, is such that its diameters at the two ends are 3.100" and 3.004". EFC. | ||
| scan0045 | Extract discussing proposals for a combined switch and a No. 2B motor on an experimental chassis. | ||
| View original record | Contd. (Extract) X765513 -2- To R. etc. EFC6/T6.9.27. X.7625A 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… | ||
| scan0046 | Modifications and obsolescence of sequence starter schedules and components. | ||
| View original record | EFC. from R. c. BJ. Wor. c. Hs. EY. E. X657B RL/M7.9.27. SEQUENCE STARTER. X.7655A/B. X.7625A/B. ___________ Sch. 1 with spiral keys is now looked upon as obsolete and scrapped. Sch. 2 as fitted to… | ||
| scan0047 | Proposal to fit Sequence Starter Scheme No. 2B to car EAC.1. | ||
| View original record | HS. C. EFC C. BY/RD. X7655B BY14/G.12.10.27 SEQUENCE STARTER - LEC. 2425 - SCHEME NO. 2B. In order to get this scheme actually fitted to a car quickly, we have arranged the details so that it suits… | ||
| scan0048 | Manufacturing process for a fully corrected pinion and gear, considering cutting versus grinding methods. | ||
| View original record | c. R. c. BJ. c. Hs. c. EFC. c. WOR. X7655B BYS/G.21.10.27. SEQUENCE STARTER. ---------------- X765573 Referring to R4/M.20.10.27. we have already got a scheme mapped out for using a fully corrected… | ||
| scan0049 | Noisy helical gearing on a sequence starter and the proposal to use a quieter, high-class straight tooth gear. | ||
| View original record | HS. FROM R. S. to RJ. (crossed out) " by " FEC (crossed out) SEQUENCE STARTER. We understand you are waiting for further drawings of this from WW., but we have now got the essentials which we think… | ||
| scan0050 | Jamming issues and improvements in sequence starter designs, comparing the No.1 and No.2A schemes. | ||
| View original record | X76537 To R. from EFC. c. BJ. E. c. EY. EFC4/T26.11.27. SEQUENCE STARTER. X76510/76537 In our EFC2/T26.8.27. which was the last report on the sequence starter No.1 scheme, we explained why we were of… | ||
| scan0051 | Starter motor gear design, comparing spiral and parallel teeth for 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… | ||
| scan0052 | Continued page discussing an experiment using parallel and helical teeth to reduce gear noise. | ||
| 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.… | ||
| scan0053 | Wiring diagram for the connections of a Sequence Silent Starter on a 14 E.X. chassis. | ||
| View original record | [ "DUPLEX PRESS BUTTON", "STARTER SWITCH", "12 - VOLT BATTERY", "ARMATURE OPERATED CONTACTS", "MAIN SWITCH", "AUTOMATIC SWITCH UNIT", "MAIN", "TEAZER", "STARTER MOTOR", "PINION", "FLYWHEEL", "CHASSIS… | ||
| scan0054 | Blueprints for a starter motor's gear ring and pinion with corrected helical teeth. | ||
| View original record | x7655B C. EFC. BY/RD6/ML.29.11.27. E.A.C.7 - STARTER MOTOR. Please receive herewith blueprints of - G.76375 - Gear Ring and D.71509 - Pinion, these representing a set of gears having corrected helical… | ||
| scan0055 | Tendency for starter motors to jam, analyzing tooth design and proposing a new, simpler engagement system. | ||
| View original record | HS. } EFC. } FROM R. c. BJ. BY. X7655B R4/M2.12.27. SEQUENCE STARTER. TENDENCY TO JAM. X.7625B. X.7655B. We do not know how much the teeth of the wheels of the latest starter have been rounded. E and… | ||
| scan0056 | Page detailing the advantages of a starter motor system compared to others, and the progress on project EAC.10. | ||
| View original record | -2- Contd. It will be noticed that there are three distinct advantages over the other systems in general use, such as Bendix, Bijur, and the schemes on the Stutz and other cars. They are : (1) more… | ||
| scan0057 | Decision on which sequence starter scheme (2A or 2B) to fit to the EAC.1 engine. | ||
| View original record | X 765573 To EY. from EFC. EFC8/T8.12.27. SEQUENCE STARTER- 2A or 2B. SCHEME. X-7650/55A In conversation with Hs. we have decided that though it involves a new crankcase, we must have the EAC.1 engine… | ||
| scan0058 | Continued memo discussing the redesign of a scheme and the abandonment of a previous 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… | ||
| scan0059 | Replacing the starter scheme on chassis 9-EX and design details of the motor. | ||
| View original record | X7655B To R. from EFC. c. BJ. E. c. Ey. Wor. EFC10/T12.12.27. SEQUENCE STARTER 2B. SCHEME. X.7655B We are now proposing to remove the old No.1 scheme from chassis 9-EX and have this replaced with a 2B… | ||
| scan0060 | Development of sequence starter schemes 2A and 2B, including modifications to helical and parallel teeth. | ||
| View original record | X7655B To R. from EFC c. BJ. E. c. Da. Ev. c. Wor. EFC6/T20.12.27. SEQUENCE STARTER 2A and 2B SCHEMES. X7655A 2A scheme as arranged in the first instance on 14-EX had 5° helical teeth with rounded… | ||
| scan0061 | Report and the trial of a Sequence Starter 2B1 apparatus. | ||
| View original record | X765573 To HHC. from EFC. c. BY/RD. EFC1/T21.12.27. SEQUENCE STARTER 2B1 SCHEME. We attach a copy of a report of the present position of the sequence starter. We have still the crankcase rig in our… | ||
| scan0062 | Design and proportions of a sequence starter mechanism, including gear engagement and helical tooth angles. | ||
| View original record | EFC. (from R. Hs. at Le Canadel). c. BJ. Wor. BY. E. X765B RL/M23.12.27. RECEIVED & DESPATCHED FROM WW. 29.12.27. EAC.10. SEQUENCE STARTER. ------------------ This is very nearly right now, but… | ||
| scan0063 | Simplified scheme for a sequence starter, detailing the requirements for a new press button switch. | ||
| View original record | X768373 EFC. FROM R. HS. (At Le Canadel.) BY. C. to BJ. WOR. E. R1/M29.12.27. REC'D AND DESPATCHED FROM WW. 2. 1. 28. SEQUENCE STARTER. SIMPLIFIED SCHEME. Since we are interlocking the "main switch"… | ||
| scan0064 | Extract comparing a new sequence starter to the existing Phantom and 20 HP models. | ||
| View original record | X763573 Extract from Rl/M31.12.27. EAC.7. X.7770. (From R) The sequence starter seems very good: hope to get it slightly better and somewhat simpler, but it is definitely superior to Phantom and 20… | ||
| scan0065 | Explaining the incompatibility of a 9-EX starter motor with a test rig designed for a 14-EX model. | ||
| View original record | To EFC. X7655B BY/RD2/ML31.12.27. SEQUENCE STARTER MOTOR - 2.B.1 SCHEME. With reference to your suggestion that the motor for 9-EX be fitted to the rig in your laboratory for test, I would point out… | ||
| scan0066 | Instruction and production of helical gears, comparing hobbing with planing on a Fellowes machine. | ||
| View original record | BY/PD. HS. EFC C. Wor. C. RHC. V/65573 BY6/G.2.1.28. RECEIVED SEQUENCE STARTER. Referring to R1/M23.12.27 apparently it will be necessary for us to instruct some further gears. This time R. suggest a… | ||
| scan0067 | Simplified scheme for a sequence starter, including design specifics and patent considerations. | ||
| View original record | To R. from EFC. c. BJ. E. c. By. Wor. X765573 EFCL/T4.1.28. SEQUENCE STARTER SIMPLIFIED SCHEME. X8651 We have noted the remarks contained in your HL/M23.12.27 and will ask for the question of the… | ||
| scan0068 | Description of the control circuits for the Super Sports sequence starter as described in 1928. | ||
| View original record | V7655B EFC. HS. FROM R. BY. E. SECRET RL/M9.1.28. c. BJ. LHS. RG. PN. DA. CWB. C. SG. MR. CLAREMONT. EAC.10. SUPER SPORTS. SEQUENCE STARTER AS DESCRIBED IN 1928. X7625B The control circuits pass… | ||
| scan0069 | Continued discussion of a design scheme, its improvements, patent considerations, and comparison with a 40/50 design from 1913. | ||
| View original record | -2- Contd. This is the only complete scheme as far as my knowledge goes, and is the property of R-R. Does Mr. Claremont consider our patents cover this, and are they up-to-date? Since our original… | ||
| scan0070 | Electrical circuits and interlock systems of a Super Sports sequence starter. | ||
| View original record | X76557B EFC3/T14.1.28. To R. from EFC. c. Ey. E. c. BJ. Da. c. Mr. Claremont. EAC.10. SUPER SPORTS. SEQUENCE STARTER. X76203 X76557B We have your Rl/M9.1.28. We note in your paragraph dealing with the… | ||
| scan0071 | Continued discussion on the necessity of carbon contacts in relation to electrical and mechanical interlocks and motor armature inertia. | ||
| View original record | Contd. -2- EFC3/T14.1.28. carbon contacts to accommodate this. It would appear that the carbon contacts provided with the electrical interlock were not necessary. There is, with the mechanical… | ||
| scan0072 | Initial manufacturing process for a sequence starter's main switch. | ||
| View original record | X7653B BY. FROM E. E1/M14.7.28. Copy to RJ. " HS. " EPC. EAC.10. SEQUENCE STARTER. We send herewith drawing LeC.2572., shewing the main switch for the above. We think it advisable to make up the first… | ||
| scan0073 | Requesting winding particulars for the S.S. Chassis Starter main switch, referencing drawing LeC.2572. | ||
| View original record | To EFC. X.7653B BY/RD6/ML17.7.28. S.S CHASSIS STARTER. LeC.2572 shewing the Sequence Starter Main Switch is to hand, will you please let me have the winding particulars so that we may commence… | ||
| scan0074 | The winding details for the S.S. Chassis Starter Motor Gear No. 2 Scheme. | ||
| View original record | To BY/RD. from EFC. X765513 EFC1/T18.7.28. S.S. CHASSIS STARTER MOTOR GEAR NO.2 SCHEME. Answering your BY/RDs/ML17.7.27 we have now considered the matter of the windings and specify these as follows… | ||
| scan0075 | Oversight in the Sequence Starter No. 2B scheme. | ||
| View original record | X.765513 To E. from EFC. c. EY. EFC4/T20.7.28. SEQUENCE STARTER NO.2B SCHEME. Regarding Lec.2572, we cannot see on this unit the non-inductive resistance which was intended to be in parallel with the… | ||
| scan0076 | Proposals for starter motor contact protection and design modifications for the sequence starter main switch. | ||
| View original record | X7655B EFC. from E. c. BJ. BY. HS. E3/M25.7.28. SEQUENCE STARTER MAIN SWITCH. X.7655B. In reply to your memo. EFC4/T20.7.28 R. agrees that some protection should be provided for the contacts on the… | ||
| scan0077 | The S.S. Sequence Starter Main Switch. | ||
| View original record | Hs 27 RECEIVED X765373 EFC. BY/Cgh6/K. 26. 7. 28. S.S. SEQUENCE STARTER MAIN SWITCH. With reference to E3/M25.7.28., we hand you herewith print of Lec. 2581 referred to in connection with the above.… | ||
| scan0078 | Request to temporarily remove various switch and actuator components from chassis 9-EX for examination. | ||
| View original record | To RHC. from EFC. c. Hs/AJL. X7655B EFC2/T15.8.28. SEQUENCE STARTER NO.1 GEAR ON 9-EX. May we have temporarily removed for our examination the main and relay switch unit, the actuator box and the… | ||
| scan0079 | Sequence starter, recommending non-inductive resistance as the best and least expensive protection. | ||
| View original record | To E. from EFC. c. BJ. BY. X 765573 EFC3/TK5.8.28. SEQUENCE STARTER. Referring to your E3/M25.7.28, we are of the opinion that the non-inductive resistance is the best arrangement of the three, being… | ||
| scan0080 | Querying the insulation of switch frames for a sequence starter gear scheme, with a handwritten confirmation. | ||
| View original record | To BY/RD. from EFC. [Handwritten Annotation]: X.7655B [Reference]: EFC4/T15.8.28. SEQUENCE STARTER GEAR NO.2B SCHEME. In my note EFC1/T18.7.28 I raised the point of the insulation between the two… | ||
| scan0081 | The inspection and necessary repairs for the starting equipment on the 9-EX. | ||
| View original record | X7655B To RHC. from EFC. c. Hs/AJL. EFC2/T24.8.28. STARTING EQUIPMENT ON 9-EX. Herewith we hand you the duplex push button switch belonging to the 9-EX equipment after duly examining this. Before this… | ||
| scan0082 | Request to replace springs for a starter motor armature, with a table comparing poundages. | ||
| View original record | TO RHO [struck through] C. EFC. X7625B [handwritten] BY/RD6/ML6.9.28. STARTER MOTOR - 9-EX. X7625B [handwritten] ARMATURE - SEC:8000. Will you please put in hand two springs to D.71714 and D.71719 to… | ||
| scan0083 | The parts list for an S.S. Chassis Automatic Switch. | ||
| View original record | To Mr. C. EFC. X7655B BY/RD6/ML27.9.28. S.S. CHASSIS AUTOMATIC SWITCH. SEC:8060. L.C.2572/81. Will you please put in hand 3 sets of parts to I.O.P. D.71810 3 sheets sent herewith, this embodies all… | ||
| scan0084 | Continued list of parts with corresponding drawing numbers, including washers, switches, and terminals. | ||
| View original record | (2) BY/RD6/ML27.9.28. Cont'd D.71761 - End Washer for Magnet Core Auxiliary Switch. D.71762 - End Washer (Bottom) Auxiliary Coil. D.71763 - Insulating Washer for Connector - Aux: Switch. D.71765 -… | ||
| scan0085 | The unsatisfactory performance of a Sequence Starter Motor and Gear, No. 2B Scheme, on chassis 9-EX. | ||
| View original record | X7655B To R. from EFC. c. BJ. E. EX. EFC4/T10.10.28. SEQUENCE STARTER MOTOR AND GEAR. X7625B NO. 2B SCHEME. We have now had considerable experience of the above on chassis 9-EX. The motor in question… | ||
| scan0086 | Analysis of difficulties with armature engagement, including taper adjustments, end thump, and gear noise. | ||
| View original record | -2- Contd. able to return the armature so as to give a second chance of engagement. As we shall further refer to below, we infer that the present armature taper of 3.100 to 2.900 is too large and we… | ||
| scan0087 | Continued discussion on engine starter motor design, addressing noise, power, and proposing armature modifications. | ||
| View original record | -3- Contd. a (4) There is/rather high pitched gear scream of relatively short duration when the first engine explosion throws the motor out of gear. (N.B. Disengaging end thump occurs when running on… | ||
| scan0088 | Urgent production and testing of a new switch for the S.S. Car chassis. | ||
| View original record | Hs. [strikethrough]RHC.[/strikethrough] [strikethrough]C. Wor.[/strikethrough] X76B5B BY5/G.10.10.28. S.S. CAR. -------- In connection with the SS. chassis, we feel that one of the most urgent matters… | ||
| scan0089 | Requesting a test on the 9-EX starter operation with a wedged relay to complete a report. | ||
| View original record | X7655D To Mr. Lidsey. EFC5/T11.10.28. As soon as convenient I want to try the 9-EX starter operation with relay wedged to prevent it breaking actuator circuit. I have written R. a report re this and… | ||
| scan0090 | B.S. Chassis starter motor design, comparing straight and helical teeth. | ||
| View original record | To EFC. X7655B BY/RD8/ML11.10.28. B.S. CHASSIS - STARTER MOTOR. I have discussed R's design of this unit with BY. and we agree that no provision has been made to cushion the outward or disengaging… | ||
| scan0091 | Use of straight versus helical teeth for an S.S. chassis starter motor. | ||
| View original record | BY/RD. from EFC. X7655B EFC1/T12.10.28. S.S. CHASSIS STARTER MOTOR. We have your EY/RD8/ML11.10.28 and agree that straight teeth should be tried with this arrangement. I was not aware that they had… | ||
| scan0092 | Two minor failings and subsequent modifications to the Sequence Starter Motor and Gear, No.2B Scheme. | ||
| View original record | X7655B To R. from EFC. C. RJ. E. BY. EFC2/T13.10.28. SEQUENCE STARTER MOTOR AND GEAR NO.2B SCHEME. Y7625B Further to our EFC4/T10.10.28, there were originally two minor failings causing failure to… | ||
| scan0093 | Analysis of a 'B failure' related to spring tension, gear engagement, and resulting operational issues. | ||
| View original record | -2- Contd. The B failure appeared to occur only with the stronger spring because with the weaker spring the excess of longitudinal traction over spring pressure was sufficient to overcome the slight… | ||
| scan0094 | The performance of different washers in a sequence starter motor and a proposed solution involving a new armature. | ||
| View original record | X7625B To R. from EFC. c. BJ. E. By. EFC4/T17.10.28. SEQUENCE STARTER MOTOR & GEAR. X7625B Further to our EFC2/T13.10.28 the rubber washer which was temporarily very effective in almost eliminating… | ||
| scan0095 | Confirming a request to supply a new starter motor pinion for the 14-EX car. | ||
| View original record | X765373. To RHC. from Hs/GWH. Hs/GWH1/LG7.11.28. RE. STARTER MOTOR PINION ON 14-EX CAR. This is to confirm Hs's request that you will supply new pinion to starter motor taken off 14-EX. The worn… | ||
| scan0096 | Providing the arrangement drawing number for a Sequence Starter Push Button Switch. | ||
| View original record | X7655 B SEQUENCE STARTER PUSH BUTTON SWITCH. The Arrgt. Drg. corresponding to LeC.1904 of the Starter Push Button Switch (Single type) is D.70790. EFC. | ||
| scan0097 | Expressing concerns about the 'SS' starter motor's lack of power and reliability compared to the existing Phantom motor. | ||
| View original record | x76558 To R. from Hs. c. to BJ. Wor. c. to E. DA. c. to BY. Hs1/LG8,11.28. 'SS' STARTER MOTOR. x76258 x8620 One of the most anxious points we consider in connection with the 'SS' is the Starter Motor.… | ||
| scan0098 | Excessive pinion wear and starter gear noise issues for car 14-EX. | ||
| View original record | contd :- -2- We are returning to you the small pinion off your car 14-EX. We consider, for the moderate amount of work this car has done, the wear on the pinion is excessive. We have had considerable… | ||
| scan0099 | Instructing the Stores to despatch a starter motor pinion to Mr. Royce after examination. | ||
| View original record | To BP. from Hs. c. to Mt. Stores. x7655B Hs3/LGS.11.28. We are sending into the Stores for despatch to Mr. Royce, West Wittering :- 1 starter motor pinion. This is being eturned after examination.… | ||
| scan0100 | Design, performance testing, and manufacturing challenges of the SS Starter Motor & Gear, No.2B Scheme. | ||
| View original record | X76558 To R. from EFC. c. BJ. E. c. Da. Wor. c. Ev. EFC4/T8.11.28. SS. STARTER MOTOR & GEAR, No.2B. SCHEME. X7625/SSB. We have previously referred to the fact that the fundamental dimensions of the… | ||
| scan0101 | Improvements to the starter motor for SS cars, including gear ratios, armature modifications, and engagement issues. | ||
| View original record | EFC4/T8.11.28. -2- Contd. and we anticipate in the light of our later experience, a better performance from this than from the 41 slot of which the machines for the SS. cars are at present made. We do… | ||
| scan0102 | Telegram about a starter motor pinion and a request for the car to be delivered with increased rear damping. | ||
| View original record | POST OFFICE TELEGRAPHS. X7653 No. 0076 Office Stamp: DERBY 10NOV28 64 10.13 CHICHESTER T 20 THE INFORMATION OVERLEAF WILL INTEREST YOU. HIVES ROYCAR DERBY = STARTER MOTOR RETURNING PINION STOP WOULD… | ||
| scan0103 | Technical discussion and review of the 'SS' Starter Motor. | ||
| View original record | Handwritten top: X7655B Top Right: R1/M10.11.28. HS. ) FROM R. (Struck through: EFC.)) C. to BJ. WOR. (Struck through: BY. E.) DA. 'SS' STARTER MOTOR. (Handwritten: X7655B X7625B) This was better in… | ||
| scan0104 | Modifications and testing for motors and a vehicle, including conductor shape and damping. | ||
| View original record | (2) Make a curve of the motor's torque at different amperes, and its state of magnetisation up to reasonable saturation. I have looked over the drawing, and the above are the quantities we should… | ||
| scan0105 | Table of gaps for a push button switch, drawing D.70790. | ||
| View original record | V-76553 13.11.28. PUSH BUTTON SWITCH TO LEE.1904 (D.70790) TABLE OF GAPS. Position. Carbon gap. Copper gap. Button depression. Off .063+12 -13 .090+15 -15 .026" Carbons O .040+5 -5 .055+6 -6 in… | ||
| scan0106 | Parts required for the 'N' Scheme 2447 Flywheel & Clutch. | ||
| View original record | X763'0'. To. RHC. c. EFC. BY/TWD1/E.14.11.28. EAC.10. ("SS".) FLYWHEEL & CLUTCH. SECTION 6000. "N" SCHEME 2447. FLYWHEEL & CLUTCH. Please receive herewith one blue print of each of the following :-… | ||
| scan0107 | Modifications and the urgency of a new armature for the starter motor on chassis 9-EX. | ||
| View original record | y.H.c. X 7653 B To RHC. from EFC. c: Hs/GWH. EFC1/T14.11.28. STARTER MOTOR ON CHASSIS 9-EX. X7625D The instruction of modification to the armature of this motor contained in BY/RD6/ML9.11.28 should be… | ||
| scan0108 | Modifications and specifications for the S.S. Starter Motor, focusing on gear ratio, windings, and engagement. | ||
| View original record | X7655B To R. from EFC. c. BJ. E. Da. c. Wor. BY S.S. STARTER MOTOR. The gear ratio on EAC.7 is the previous 13 : 1 ratio. MOTOR. We have taken great care to get in all the copper possible in both… | ||
| scan0109 | Returning to parallel teeth in place of 5 degree helical for the motor. | ||
| View original record | Contd. -2- EFC4/T16.11.28. ------------ and did not seem to be increased by making of main contact. We are also returning to parallel teeth in place of 5° helical, with the idea that perhaps it is not… | ||
| scan0110 | Alternative Flywheel Gear Ring and instructions for the production of blanks. | ||
| View original record | X7655 To. RHO. c. EFC. BY/TWD1/E.19.11.28. EAC.10. ("SS".) FLYWHEEL & CLUTCH. SECTION 6000. "N" SCHEME 2447. FLYWHEEL & CLUTCH. Please receive herewith one blue print of the following :- G.77304.… | ||
| scan0111 | Request to obtain stranded flexible copper conductor from the Morgan Crubible Company for a main switch lever. | ||
| View original record | X7655B To Roy. from EFC. c. BY/RD. EFC1/T4.12.28. Would you please obtain if possible from the Morgan Crubible Company, one dozen yards of 7/37/.0032 (or nearest) stranded flexible copper conductor,… | ||
| scan0112 | Cover memo for the specification of production inspection and test of an EAC.10 push button switch. | ||
| View original record | To BY. from EFC. c. Mr. Brock. X7655B. EFC4/T5.12.28. EAC.10 PUSH BUTTON SWITCH. Herewith please receive specification of production inspection and test of the above. EFC. | ||
| scan0113 | Specification for the production inspection and testing of a push-button switch. | ||
| View original record | EFC3/T5.12.28. X.7655B. E.A.C.10 PUSH BUTTON SWITCH. X.7781 SPECIFICATION OF PRODUCTION INSPECTION & TEST (1) Inspection shall be made that :- (a) The carbon contacts exactly bed together, and that… | ||
| scan0114 | Modifications to the S.S. Sequence Starter's main and auxiliary switch to correct an electrical interlock issue. | ||
| View original record | X7655B To R. from EFC. c. BJ. E. c. Ev EFC/T7.12.28. S.S. SEQUENCE STARTER. - MAIN & AUXILIARY SWITCH Unless we revert to the use of the duplex push button switch, such as was desirable in the case of… | ||
| scan0115 | The lever lengths and ratios for a main and relay switch unit. | ||
| View original record | X7655B EFC/T8.12.28. MAIN AND RELAY SWITCH UNIT. LEVER LENGTHS AND RATIOS. Relatively. MAIN SWITCH. Fulcrum to side lug (core centre) = 1.500" 100 Fulcrum to core stop = 1.825" 122 Fulcrum to copper… | ||
| scan0116 | Extract from a written note regarding the timing and mechanical interlock of a magnetic switch unit. | ||
| View original record | X.765573 Extract from written note from R. dated 8.12.28. We have sent the proper timing of the contact on the magnetic switch unit - our original clearances were wrong - the point is that the… | ||
| scan0117 | Modifications required for a SS Sequence Starter Main Switch. | ||
| View original record | Hs. from R. EFC. c. to BJ. WOR. EY. X7655 R2/M8.12.28. SS. SEQUENCE STARTER MAIN SWITCH . X.7655 There are a few things that require modification on this unit, both in the instructions we sent you and… | ||
| scan0118 | Recommendation to wire the SS Starter with a double-pole push-button switch as a fail-safe. | ||
| View original record | EFC from R. BJ. Wor. BY. Hs. E. X7655 R2/M10.12.28. SS. STARTER Referring to the above we think it would be better to wire this up with a double pole push button switch in case of any failure of the… | ||
| scan0119 | Design improvements and testing requirements for an SS. Sequence Starter. | ||
| View original record | Hs.) from R. EFC) c. BJ. By. SECRET, SS. SEQUENCE STARTER. X765 R3/M11.12.28. X.7625/55. For a long time I have been trying to get a set of gears tested, on which the engaging corners are left sharp.… | ||
| scan0120 | Tests and modifications on S.S. and 9-EX starters. | ||
| View original record | To R. from EFC. c. BJ. E. c. By. Wor. S.S. STARTER. Yesterday afternoon we had a test on a test bed engine the most up-to-date arrangement of starter, with the exception that there is not included an… | ||
| scan0121 | The test of a new apparatus, detailing its components and performance during testing. | ||
| View original record | To R. -2- Contd. Carried Report on test of new arrangement made out yesterday afternoon. The apparatus on test comprises the following:- (1) Motor - 1st. new lengthened armature motor (3.500") with 37… | ||
| scan0122 | Motor and gear engagement/disengagement faults and performance comparisons. | ||
| View original record | -3- Contd. would not recede but appeared to require nothing more than a [handwritten insertion: a] tap of the wooden handle of the screwdriver on the carcase to enable it to do so, showing that this… | ||
| scan0123 | Analysis of a mechanical disengagement problem, discussing noise, solutions, and further testing on an 18-EX chassis. | ||
| View original record | -4- Contd. in this new case. It appears that the thump on disengagement is a mechanical problem independent of the electrical functioning of the system. Assuming that we wish to get the armature… | ||
| scan0124 | Note on a method for observing gear functionality. | ||
| View original record | Contd. -5- EFCL/T12.12.28. Further note. The functioning of the gears was readily observed by means of a hole that had been cut in the gear case on the underside, a pea lamp suitably supported with… | ||
| scan0125 | Internal order request for 8 sets of parts for an S.S. Starter Switch, replacing a previous design. | ||
| View original record | X7655B To RHC. C. EFC. BY/RD5/ML14.12.28. S.S. STARTER SWITCH - SEC:8240. Will you please order 8 sets of parts to L.O.P. D.71122, blueprint herewith - this, and all the parts has been previously… | ||
| scan0126 | Design, timing and operation of a starter push button switch. | ||
| View original record | To R. from EFC. c. BJ. E. c. Ev. Wor. X 7655B EFC2/T14.12.28. S.S. STARTER PUSH BUTTON SWITCH. We are disappointed in your decision to revert to a double pole push button switch together with an… | ||
| scan0127 | The testing of a sequence starter, comparing it with the Bosch system and considering modifications to prevent thumping. | ||
| View original record | x7655B To R. from EFC. c. BJ. E. c. Ev. Wor. EFC1/T15.12.28. SS. SEQUENCE STARTER. x7655 x4562 We have in preparation a report dealing with the various points mentioned in your E3/M11.12.28, the… | ||
| scan0128 | Use of a higher rated spring with a taper armature and the necessity of fluid damping. | ||
| View original record | Contd. -2- EFC/T15.12.28. It may, for instance, appear more suitable with the taper armature to use a higher rated spring as at present. Personally, I cannot see how it is possible with any… | ||
| scan0129 | Experiments with an S.S. Sequence Starter, specifically investigating corner jamming of the teeth. | ||
| View original record | To R. from EFC. c. BJ. E. c. Ev. Wor. X7655/3 EFC/T17.12.28 S.S. SEQUENCE STARTER X7655/3 X.4562 Our report EFC/T15.12.28 was written rather hurriedly. We can now deal with the points a little more… | ||
| scan0130 | Continued discussion on spring force, armature pull, and brush friction in a motor. | ||
| View original record | EFC1/T17.12.28. -2- Contd. Regarding the force of the spring in different positions, in this longer armature motor with the reduced armature taper; the longitudinal armature pull exerted by the motor… | ||
| scan0131 | Spring force, armature engagement, and the effectiveness of taper in a mechanical component. | ||
| View original record | EFCL/T17.12.28. -3- Contd. There is also the question of the spring being capable of pulling the armature back up an incline of 1 in 3 which, if we consider the incline to reverse when we wish to… | ||
| scan0132 | Starter motor engagement failures, discussing spring strength, longitudinal pull, and winding specifications. | ||
| View original record | EFC1/T17.12.28. -3- Contd. already explained, the first failure resulting from the use of too strong a spring is that the motor simply comes into engagement, turns the engine, and then drops out quite… | ||
| scan0133 | Technical comparison of motor armature performance, focusing on failure modes, noise issues and potential improvements. | ||
| View original record | EFC/T17.12.28. -5- Contd. You will remember that the Bosch armature is parallel and that the spring is a very long one with a low rating but well set up. We are comparing the relation of longitudinal… | ||
| scan0134 | Gear noise and disengagement issues, with a comparison of S.S. and Bosch starters. | ||
| View original record | EFCl/T17.12.28. -6- Contd. (2) Gear Noise when rolling engine (3) Gear scream when engine drives motor previous to disengagement. (4) Thump on disengagement. As stated, we will at the first… | ||
| scan0135 | Typed document discussing starter motor problems, comparing gear ratios and spring ratings to a Bosch unit. | ||
| View original record | EFCL/T17.12.28. -7- Contd. in much the same way as our own. At the moment we feel that the problem on our own starter is somewhat different, partly on account of the gear ratio which is probably… | ||
| scan0136 | Secret memo regarding arrangements for daily testing of a new starter motor. | ||
| View original record | SECRET To BJ from Wor. c to Hs. EP. X7655 Wor2/T.17.12.28. BJ5/E14.12.28 With reference to EP. making daily tests of the New Starter, I have made arrangements with Hs. and EP. for this to take place.… | ||
| scan0137 | Suggested modifications for a sequence starter main and auxiliary switch following testing. | ||
| View original record | EFC. WD. 21. X7655 18.12.28. SEQUENCE STARTER MAIN AND AUXILIARY SWITCH We have tested three of these units and as a result we suggest the following modifications:- (1) The switch armature bearing… | ||
| scan0138 | Engagement issues and potential solutions for the 'SS' starter model X.7655. | ||
| View original record | Hs. E. Q)from R. BY. DA X7655 RL/M18.12.28 SECRET "SS" STARTER. X.7655 The lengthened model appears to have plenty of power but fails occasionally to engage. Probably the spring returning it to zero… | ||
| scan0139 | Instructions and measurements for a Main Switch Coil Discharge Resistance. | ||
| View original record | RR 238 (150 BKS.) (DB 451-8-12-24) MP 306975 ROLLS-ROYCE LTD. INSTRUCTIONS. To: EFC Order No. PD33 Customer's No. X7655 Main Switch Coil Discharge Resistance. is instructed to This unit should be… | ||
| scan0140 | Extract from a report on a faulty starter motor on car 18.EX, requesting replacement springs. | ||
| View original record | X7655 Extract from report of GWH. France. on 18.EX. 18.12.28. The starter motor is almost useless. Will you please send a weaker spring for the pinion and a stronger spring for the return of the… | ||
| scan0141 | Modifications and new parts for an automatic switch. | ||
| View original record | To RHC C. EFC. (crossed out) X7655 BY/RD5/ML19.12.28. AUTOMATIC SWITCH - SEC:8060. L&C.2620. We have received from R. a revised set of gaps and one or two modifications to the switch D.71810 and we… | ||
| scan0142 | Specification for the production adjustment of a combined main and auxiliary switch unit, version 2. | ||
| View original record | X7655B EFC/T19.12.28. X.7655E. COMBINED MAIN SWITCH & AUXILIARY SWITCH UNIT. X.7781 SPECIFICATION OF PRODUCTION ADJUSTMENT. VERSION 2. I. ADJUSTMENT. (1) Assuming that the armature stop pieces on the… | ||
| scan0143 | Adjustment instructions for main and auxiliary switch contacts and gaps. | ||
| View original record | -2- Contd. (4) Now place a .050 distance piece between main switch core and armature stop and it should be found that the carbon gap is .015". At the same time, i.e. with the main switch lever still… | ||
| scan0144 | Continued note on adjustments regarding gaps and distances, and checking the forces involved. | ||
| View original record | -3- Contd. (8) The above refers solely to adjustments in regard to gaps etc. distances, and so far no mention has been made of the magnitude of the forces involved. A check on the correctness of the… | ||
| scan0145 | Specification sheet for basic gaps on a Main and Auxiliary Switch Unit, version 2. | ||
| View original record | 19.12.28. MAIN AND AUXILIARY SWITCH UNIT BASIC GAPS. ETC:- VERSION 2. MAIN SWITCH. Armature stop. .006" Armature stop gap when coppers .025" are just in contact. Copper gap, carbons just in .020"… | ||
| scan0146 | Travel table for a starter duplex automatic switch, detailing lever gap measurements at various positions. | ||
| View original record | 29.12.28. STARTER DUPLEX AUTOMATIC SWITCH TRAVEL TABLES As arranged by E.F.C. with carbon interval gap. Position. Main lever gap. Relay lever gap. Rest. .066 .066 Picking up relay lever and breaking… | ||
| scan0147 | Gap tables for a main and auxiliary switch unit, version 2. | ||
| View original record | 19.12.28. MAIN AND AUXILIARY SWITCH UNIT GAP TABLES. VERSION 2. MAIN SWITCH:- Position of switch. Air gap at core centre. Core to armature stop. Copper gap. Carbon gap. Off. .066 .075 .065 .055… | ||
| scan0148 | Starter motor gear engagement, focusing on the blockage caused by conventional chamfering methods. | ||
| View original record | R. from E. c. BJ. Hs. BY. EFC. X7655 E1/M20.12.28. STARTER MOTOR ENGAGEMENT. X.7625/55 We have always been impressed that with the conventional method of chamfering starter gear teeth, even if applied… | ||
| scan0149 | Discussion with diagrams on modifying gear tooth form to improve engagement. | ||
| View original record | -2- Contd FIG.3. This suggests that the form of the engagement should be reduced from edges to points, or even to a single point on one tooth only since the engagement with teazer current is gentle.… | ||
| scan0150 | Technical memorandum discussing improvements to a sequence starter's design to make it more vigorous and silent. | ||
| View original record | Hs. } from R. EFC. } at Le Canadel E. } c. BJ. Wor. SG. CWB. X7655 RL/M21.12.28. RECD AT WW. 27.12.28. SEQUENCE STARTER. X7625 Re EFC/17.12.28 I believe that my idea of a taper armature is probably… | ||
| scan0151 | Improvements to an S.S. Sequence Starter, focusing on spring pressure to resolve engagement issues. | ||
| View original record | To R. from EFC. c. BJ. E. c. EY. Wor. X7655- EFCL/T22.12.28. S. S. SEQUENCE STARTER. We do not now have the trouble of not returning from a corner jam. In regard to failure to engage on first or… | ||
| scan0152 | Motor experiments concerning spring rates, dampers, and engaging/disengaging thump. | ||
| View original record | EFC/T22.12.28. -2- Contd. If, therefore, we apply the main current earlier it would appear that we could use a rather lower rated spring and still have little engaging end thump, but at the same time… | ||
| scan0153 | Suggestions for a damper attachment to a starter motor for silent operation. | ||
| View original record | X7655 X7770 Extract from FL/M25.12.28. X7625 STARTER MOTOR. I am sending Mr. Elliott some suggestions for a damper attachment to the rear end of the starter motor to enable the end motion to finish… | ||
| scan0154 | Telephone message discussing design improvements for a starter armature and associated components. | ||
| View original record | X.7655B Telephone message from W.W. 27.12.28. Referring to your EFC/T7.12.28, my idea of the taper armature is probably wrong because (1) Feeble torque (2) Feeble initial pull Therefore let us abandon… | ||
| scan0155 | Issues with the starter motor and switch unit on vehicle 18-EX in France. | ||
| View original record | X-7633 Extract from FJA1/C. 28.12.28. X.7780 X7625 STARTER MOTOR ON 18-EX IN FRANCE As has been reported, the main spring on motor N was too weak, causing failure to return to the fully disengaged… | ||
| scan0156 | Modifications and trials of a sequence starter, including spring alterations and armature taper designs. | ||
| View original record | To R. from EFC. c. BJ. E. c. BY. Da. c. Wor. CWB. X7655 EFC2/T31.12.28. S.S. SEQUENCE STARTER FL/M21.12.28. X7625 With the various modifications which we have made, e.g. (1) Suitably altered armature… | ||
| scan0157 | Report discussing longitudinal pull in the S.S. chassis, and proposals for new brushes and a Bosch oil damper. | ||
| View original record | -2- Contd. as we now have on the S.S. chassis. As previously reported we have not experienced any insufficiency of longitudinal pull to start engagement in cases where mechanical friction is… | ||
| scan0158 | Special chamfer modification to a motor pinion to improve engagement. | ||
| View original record | X7625 To: [REDACTED] EFC. BY/RD8/AL2.1.29. S.S. MOTOR PINION - SEC:8000. X7655 Please receive herewith print D.71982 showing the existing pinion D.71578 with a special chamfer added to facilitate… | ||
| scan0159 | The production of a duplex push button starter switch for an S.S. chassis, potentially for chassis 23-EX. | ||
| View original record | RHC. from EFC. X7655 EFC4/T18.1.29. We should endeavour to produce as soon as possible the first duplex push button starter switch for S.S. chassis to instructions EY/RD5/ML14.12.28. We understand… | ||
| scan0160 | Proposal for a new starter motor system using a double reduction gear with a spiral first motion. | ||
| View original record | BY HS. EFC.) FROM R. (At Le Canadel.) G. to BJ, WGR, SG. Mr. CLAREMONT. STARTER MOTOR SYSTEM. X7655 R1/M21.1.29. REC'D AT WW. 26.1.29. Here is a new modification which may be thought worth a British… | ||
| scan0161 | Diagram of a spring-loaded starter pinion with a slip clutch, showing its engagement with a flywheel gear. | ||
| View original record | (2) About 1 ¼”. Flywheel gear. This gear has cork faced spring loaded driving surface with slip if any excessive shock. On colliding with flywheel gear this pinion can slide back until gears mesh. | ||
| scan0162 | Requesting urgent trials of experimental modifications for a sequence starter motor and gear system. | ||
| View original record | X7685 To RHC. from EFC. c. BY/RD. c. Hs/AJL. EFC/T23.1.29. SEQUENCE STARTER MOTOR & GEAR X7625 Would you kindly note that we are anxiously awaiting the experimental production of the following expl.… | ||
| scan0163 | Proposal for incorporating drip plug lubrication into the starter motor dashpot scheme. | ||
| View original record | X7655 R. FROM E. SECRET E3/M24.1.29. C. to DJ. HS. BY. EPC. S3. STARTER MOTOR DASHPOT. X7655 Please find herewith print of LeC.2647., shewing a proposal for incorporating drip plug lubrication in the… | ||
| scan0164 | The blueprint for a Press Button Starter Switch. | ||
| View original record | X7655 BY. from E. c. to BJ. Hs. SECRET T2/M26.1.29 SS. PRESS BUTTON STARTER SWITCH. X.7655 We send you herewith blueprint of LeC.2641 shewing the above. E. | ||
| scan0165 | Experimental tests of a sequence starter rig to investigate gear jamming issues. | ||
| View original record | To R. from EFC. c. BJ. SG. c. E. Da. c. Wor. By. X7655 SECRET. EFC2/T26.1.29. S.S.' SEQUENCE STARTER. x7625 x7655 We have now in our laboratory the starter rig for experimental tests, comprising… | ||
| scan0166 | Analysis of the cause of jamming observed between pinion and wheel teeth. | ||
| View original record | -2- Contd. The nature of the jam observed was immediately arrived at by noticing the fact that when the jam occurred the leading sharp corners of the pinion teeth were not presented to the following… | ||
| scan0167 | Continued memorandum discussing the cause and potential cure for engaging corner jams in a pinion mechanism. | ||
| View original record | -3- Contd. It will be remembered that the disengaging radius was provided largely as a means of overcoming the engaging jam which we had observed previously when disengaging edges were sharp. It… | ||
| scan0168 | Experiments with a rig, detailing initial engagement failures and ongoing investigations into system weaknesses under reduced voltage. | ||
| View original record | -4- Contd. Perhaps it should be remarked that we are only speaking of initial failure to engage and that so far as we have gone with experiments on this rig we have invariably been able to effect… | ||
| scan0169 | Design and blueprint for the SS.Press Button Starter Switch, LeC.2641. | ||
| View original record | R. from E. c. to BJ. Hs. By EFC. SECRET X7655 E4/M29.1.29. SS.PRESS BUTTON STARTER SWITCH. X.7655 Please find herewith blueprint of LeC.2641., shewing the above. This switch has been completed along… | ||
| scan0170 | The design of engaging corners for a sequence starter, advocating for a simpler approach. | ||
| View original record | EFC. } from R. Hs. E. c. SG. Wor. SECRET X7685 R4/M30.1.29. REC'D AT WW. 4.2.29. SS. SEQUENCE STARTER. X.4562. X.7625 I cannot help thinking we are doing all manner of odd things instead of the… | ||
| scan0171 | Instruction regarding the inadequate length of the splines on a sequence starter motor pinion. | ||
| View original record | ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.7.C Order No.: WD32. Customer's No.: Sequence Starter motor pinion. We consider that the length of the splines on the above pinion is inadequate for the heavy duty… | ||
| scan0172 | Issues with the S.S. starter motor pinion splines, comparing them to a Bosch part and requesting improvement. | ||
| View original record | x768B BY. from EFC. c. BY/RD. EFC5/Tl.2.29. S.S. STARTER MOTOR PINION. The splines which take the drive from motor armature to pinion appear to be either too short, or to be produced too inaccurately… | ||
| scan0173 | List of blueprints for an S.S. Press Button Starter Switch. | ||
| View original record | X7651 C. EFC. BY/RD4/ML2.2.29. L.O.C.2641. S.S. PRESS BUTTON STARTER SWITCH. Please receive herewith blueprints of the following parts and put in hand 4 Starter Switches to L.O.P. D.72088:- D.72022 -… | ||
| scan0174 | Bearing surface of S.S. starter pinions and the return of two units. | ||
| View original record | HEW To EFC. X7655 BY/RD4/ML 4.2.29. S.S. STARTER PINION. Referring to your EFC5/T.1.2.28, we will give the bearing surface question our attention, in the meantime we return your two pinions herewith.… | ||
| scan0175 | Requesting a trial pinion with rounded corners for the S.S. starter rig, with a handwritten note on the delay. | ||
| View original record | X.7655 RHC. from EFC. EFC3/T7.2.29. We have not yet received the backed-off pinion for trial on the S.S. starter rig. R. now suggests that he would like us to try a pinion with corners completed… | ||
| scan0176 | Requesting tests on three different modifications of a starter motor pinion. | ||
| View original record | RHC. from EFC. X7655 EFC1/T8.2.29. SEQUENCE STARTER MOTOR PINION We are now awaiting from you for test three different modifications of pinion - (1) Pinion with both engaging and disengaging corners… | ||
| scan0177 | Wear on the starter motor pinion and a proposal for its modification. | ||
| View original record | E. [Strikethrough] c. EFC. c. BY/RD. X7655 BY1/G.13.2.29. (SS.) STARTER MOTOR PINION. ------------------------- Referring to EFC2/T.7.2.29. we had intended to increase the bearing area for the pinion… | ||
| scan0178 | Cross-sectional drawing of a piston assembly with design notes. | ||
| View original record | (3) Treatment of collar saves dia. This space is about 75% of the stroke. About .6 - i.e. 80% undamped. About .25" Main switch contact make - don't like idea (EFC's) of making this early: desire… | ||
| scan0179 | Modifications to the S.S. Sequence Starter motor based on rig test results, specifically regarding the main armature spring. | ||
| View original record | To C. BYRD. from EFC. X7655 EFC3/T15.2.29. S.S. SEQUENCE STARTER May we refer you to our EFC2/T15.2.29 from which you will note that towards the end we suggest that as a result of our rig tests… | ||
| scan0180 | Further trials on a S.S. Sequence Starter engagement, investigating issues with varying voltage and pinion designs. | ||
| View original record | To R. from EFC. c. SG. E. c. Da. Ey. c. Wor. Y7655 EFC2/T15.2.29. S.S. SEQUENCE STARTER Further to our EFC2/T26.1.29 referring to the trials of S.S. starter engagement in our laboratory, further… | ||
| scan0181 | Experiments to resolve starter motor engagement failures by adjusting armature current, spring arrangements, and contact timing. | ||
| View original record | -2- Contd. to determine whether it was a question of additional armature torque we made the experiment of feeding in additional current at the main motor terminal at times when corner jams occurred,… | ||
| scan0182 | Improvements made to a pinion engagement mechanism to prevent failure and jamming. | ||
| View original record | EFC2/T15.2.29. -3- Contd. With this pinion we made a still further improvement in the frequency of operation without failure, by packing back the pinion approx. .080" against its spring by means of a… | ||
| scan0183 | Short memo requesting remarks on a matter before it is passed to the D.O. | ||
| View original record | Contd. -4- EFC2/T15.2.29. Before putting this matter up to the D.O. we should be pleased to have your remarks. EFC. | ||
| scan0184 | Trial results for the 'SS' Sequence Starter regarding corner jamming failures and voltage effects. | ||
| View original record | To R. from EFC. x7655 c. to SG. E. c. to DA. BY. c. to Wor. EFC6/LG19.2.29. 'SS' SEQUENCE STARTER. x7625/55 We have further confirmed by careful trial that the frequency of failure through corner… | ||
| scan0185 | Requesting a supply of various starter motor pinions. | ||
| View original record | To RHC. from EFC. X7655 EFC2/LG26.2.29. 'SS' STARTER MOTOR PINION. We are hoping you will supply us with a further 'backed-off pinion' as the one we have had will almost certainly go away on the car.… | ||
| scan0186 | Specification of production adjustment for a combined main switch and auxiliary switch unit, version 4. | ||
| View original record | x7655B 27.2.29. F. 4 X.7655B. COMBINED MAIN SWITCH & AUXILIARY X.7781. SWITCH UNIT. SPECIFICATION OF PRODUCTION ADJUSTMENT. VERSION 4. 1. ADJUSTMENT. (1) Assuming that the armature stop pieces on the… | ||
| scan0187 | Page of instructions for adjusting main and auxiliary switch units, detailing clearance settings. | ||
| View original record | Contd. -2- when armature stop reaches core. (3) Now set relation of the copper and carbon arms by placing an .040" distance piece between the last to make copper contacts and adjusting the carbons to… | ||
| scan0188 | Page of instructions detailing the final adjustments for the gap of lower contacts and a relay lever. | ||
| View original record | Cont'd. -3- (7) The final adjustment refers to that of the gap of the lower contacts. This should be adjusted to be .030" when the relay lever is in its off position (as previously adjusted by top… | ||
| scan0189 | Specification sheet for basic gaps in a main and auxiliary switch unit, version 4. | ||
| View original record | 27.2.29. F. MAIN AND AUXILIARY SWITCH UNIT BASIC GAPS, ETC. VERSION 4. MAIN SWITCH. Armature stop. .012" Armature stop gap when coppers are just in contact. .030" Copper gap, (Last to make) carbons… | ||
| scan0190 | Gap table for a main and auxiliary switch unit. | ||
| View original record | MAIN AND AUXILIARY SWITCH UNIT UNIT:_____ GAP TABLES. As instructed by EFC. MAIN SWITCH : Position of switch. Air gap at core centre. Core to armature stop. Copper gap (of last contact to make.)… | ||
| scan0191 | Suggestions for improving the sequence starter push button switch after examination in the lab. | ||
| View original record | ROLLS-ROYCE LTD. INSTRUCTIONS. RR 238 (150 BKS.) (DB 461-8-12-24) MP 306975 X7655 To E.7.C. Date: 28-2-1929. Order No. WD40 Customer's No. X7625 Sequence starter push button switch (new duplex) As a… | ||
| scan0192 | Report with recommendations for altering the 'SS' starter push button switch. | ||
| View original record | BY. from EFC. c. to BY/RD. X7655 EFC2/LG1.3.29. 'SS' STARTER PUSH BUTTON SWITCH. Below we give my assistant's report WD.40 containing recommendations relating to alteration to the design of the push… | ||
| scan0193 | Laboratory test report on a sequence starter motor and its switches. | ||
| View original record | R. from FFC. c. Sg. Wor. C. By. F. SEQUENCE STARTER MOTOR AND SWITCHES We received for laboratory test a sequence starter motor incorporating (1) Parallel armature (3.100" dia.) (2) 17 SWG. teazer… | ||
| scan0194 | Electrical operation tests on a starter motor, comparing different armature and winding configurations. | ||
| View original record | -2- Contd. (3) An electrical operation test. The motor still being held in the brake test bench clamps (with no wheel for the pinion to engage into) the effect of switching on and off the normal… | ||
| scan0195 | Status update on a component test involving a taper armature and damper. | ||
| View original record | -3- Contd. The copper has only just been touched, and the insulation is still O.K. We have some taper bore pole pieces and therefore everything for a trial of taper armature with LeC. damper. We… | ||
| scan0196 | Recommending changes for a sequence starter motor with a damper. | ||
| View original record | To BY. from EFC. c.c. to BY/RD. c.c. to RHC. X7655 EFC3/LG6.3.29. SEQUENCE STARTER MOTOR WITH DAMPER. X7625 The combination of items which we recommend as a result of our experiments, for… | ||
| scan0197 | Notes on armature spring settings, pinion clearance, and motor travel modifications. | ||
| View original record | contd :- -2- (9) Main armature spring D.71569 with .125" packing to give a spring plus packing set up length of 3.700" and force of 5.05 lbs. (10) Pinion clearance from wheel disengaged position to be… | ||
| scan0198 | Improvements, operational characteristics, and faults of a sequence starter motor and its switches. | ||
| View original record | To R. from EFC. c.c. to Sg. Wor. c.c. to BY. E. X7655 EFC4/LG6.3.29. SEQUENCE STARTER MOTOR AND SWITCHES. Y7655 X7625 Further to our EFC1/LG2.3.29. The taper armature (the 3.100 parallel armature… | ||
| scan0199 | Gear mechanism noise and disengagement, focusing on rotational knock, damper conditions, and pinion spring settings. | ||
| View original record | contd :- -2- rarely noted on a second push. A little noise results from a corner jam but can be minimised by reducing support set of pinion spring. (2) Some small noise results when entering into gear… | ||
| scan0200 | Continued report on motor and gear assembly adjustments, including damper, pinion, and armature specifications. | ||
| View original record | contd :- -3- We have found a clearance equal to the damper travel viz: .175" to be suitable which leaves a travel of the armature relative to the damper of .525" in the present motor. The pinion width… | ||
| scan0201 | Tests and design issues concerning an engine starting mechanism, including springs, switches, and brushes. | ||
| View original record | contd :- -4- 8. Main armature spring D.71569 with .125" packing to give a spring + packing set up length of 3.700" and force of 5.05 lbs. 9. Pinion clearance from wheels in disengaged position to be… | ||
| scan0202 | Modifications and test results for a sequence starter motor. | ||
| View original record | R. from EFC. c. Sg. Wor. c. Bv. E. X7655 EFCl/LG8.3.29 SEQUENCE STARTER MOTOR X 7625/55 Further again to our EFC4/LG6.3.29 fault (2) has been somewhat reduced without loss of necessary vigour by… | ||
| scan0203 | The trial and performance of two-way press button switches on experimental cars. | ||
| View original record | -2- improvements) for trial shortly. The old switches (two-way press button) have been entirely satisfactory, one on 9-EX (32,000 miles) and one on 14-EX (20,000 miles). EFC. | ||
| scan0204 | Alterations to the S.S. Starter Switch, specifically replacing steel checks with brass. | ||
| View original record | To HIC. from EFC. c. to BY/RD. V7655 EFC2/LG9.3.29. S.S. STARTER SWITCH. Alteration 2783 D viz - brass checks in place of steel checks for windings and 2778 D modified carbon arm mounting - are of… | ||
| scan0205 | Production test table for a combined main switch and auxiliary switch unit. | ||
| View original record | X765 PRODUCTION TEST TABLE of COMBINED MAIN SWITCH AND AUXILIARY SWITCH UNIT. II. MAIN SWITCH UNIT. Date. Unit Number. (1) Gap remarks. (2) Amperes To (3) Amperes + (4) Copper contact pressure. > 2… | ||
| scan0206 | Production test table for a combined main switch and auxiliary switch unit. | ||
| View original record | PRODUCTION TEST TABLE of COMBINED MAIN SWITCH AND AUXILIARY SWITCH UNIT. III. AUXILIARY SWITCH UNIT. Date. | Unit number. | (1) Gap remarks. | (2) Amperes to | (3) Amperes to | (4) Load l.b.w. |… | ||
| scan0207 | Arranging the production of a new model S.S. press button switch following a telegram request. | ||
| View original record | RHC. from FFC. c. Mr. Brock. c. BY/RD. X7655 FFC2/T13.3.29. S.S. PRESS BUTTON SWITCH. I have received a telegram from F. as follows :- "SUGGEST YOU SEND A MODEL OF SS. PRESS BUTTON SWITCH TO R. BY CAR… | ||
| scan0208 | Design criticisms and proposed alterations for a two-way press button starter switch. | ||
| View original record | EFC. from E. SECRET X7655 E3/M13.3.29. SS. TWO WAY PRESS BUTTON STARTER SWITCH. Regarding the above switch we believe your criticisms is that it requires too much pressure to operate, and that the… | ||
| scan0209 | Proposal to prevent damage to a switch casing during removal from the instrument board by coachbuilders. | ||
| View original record | Contd. -2- Finally it is proposed to arrange that the switch casing will not come apart when released from the instrument board to avoid suffering damage at coachbuilders between the removal of the… | ||
| scan0210 | Alterations and new parts for an S.S. Starter Motor. | ||
| View original record | X7655 C. EFC. BY/RD7/ALJ 3.3.29. S.S. STARTER MOTOR. 3 of the 8 motors have now been completed and the next 5 should embody the following feature asked for by Expl: Dept: , .075 Extra travel of… | ||
| scan0211 | Conditions for correct operation of the S.S. Sequence Starter Gear for motors with 18 S.W.G. teazer winding. | ||
| View original record | X7655 FFC/T14.3.29. S.S. SEQUENCE STARTER GEAR. CONDITIONS FOR CORRECT OPERATION. (Applicable to motors with 18 S.W.G. teazer winding) Note 1. The negative of the battery is earthed. Supply of current… | ||
| scan0212 | Continued technical specification detailing the operating conditions and electrical characteristics of circuits. | ||
| View original record | -2- Contd. Allowing 11 volts supply, the operating teazer current would be 11 ---- = 17.1 amperes. .643 The conditions of correct operation as regards this first circuit will therefore be: (a) With a… | ||
| scan0213 | Continued description of the operational conditions for a main and auxiliary switch circuit. | ||
| View original record | -3- Contd. The amperes at 10.5 volts through the main switch coil will be 10.5 / .843 = 12.5 The conditions as regards correct operation of this second circuit are there: (c) The main switch must be… | ||
| scan0214 | Technical description and analysis of Circuits 3 and 4, detailing resistance and current calculations. | ||
| View original record | -4- Contd. Circuit 3. (MAIN) Black. The resistances of this circuit are as follows : Motor main field ......... .0088 ohm. Motor armature and brushes. ............. .014 " TOTAL ................ .023… | ||
| scan0215 | Continued description of the operational requirements for an auxiliary switch circuit. | ||
| View original record | -5- Contd. this circuit is therefore that - (g) A current of 3.2 amperes through the auxiliary switch coil must be capable of pulling down the auxiliary switch lever from the point at which the lower… | ||
| scan0216 | Two-way press button starter switch, its alteration, and dispatch. | ||
| View original record | F. from EFC. c. SG. EY. X7655 EFC1/T14.3.29. S.S. TWO WAY PRESS BUTTON STARTER SWITCH. F3/M13.3.29. We have put in hand a switch which we hope will be ready to be sent to R. by the car going to… | ||
| scan0217 | Request to produce weaker alternative bow springs for an 'SS' push button switch. | ||
| View original record | RHO C. EFC. X7653 BY/RD5/K. 14. 3. 29. "SS" PUSH BUTTON SWITCH. Will you please put in hand 8 of each of the following springs which are considerably weaker than those we have already instructed to be… | ||
| scan0218 | Test report on the current capacity of S.S Sequence starter main and auxiliary switch unit contacts. | ||
| View original record | RR 238 (150 BKS.) (OB 461-8-12-24) MP 306975 X7653 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E. & C. Date: 16 - 3 - 1929. Order No.: WD46 Customer's No.: X755 S.S Sequence starter main and auxiliary switch… | ||
| scan0219 | Particulars of the sequence starter motor system for the 10,000 mile chassis 21-EX and 22-EX. | ||
| View original record | EFC X765 EFCl/T16.3.29. PARTICULARS OF SEQUENCE STARTER MOTOR SYSTEM ON 10,000 MILE CHASSIS 21-EX and 22-EX. (1) Wheel with sharp engaging tooth corners and rounded disengaging corners. (2) Pinion… | ||
| scan0220 | Continued list of specifications and recommendations for components like pinion springs, armatures, and damper pistons. | ||
| View original record | -2- Contd. (11) Pinion spring of rather high rating, but set up force of initially small value. (12) Armature operated contact made over the last portion of the armature travel of amount between .100… | ||
| scan0221 | Component design recommendations for armature travel and damper function to prevent failure. | ||
| View original record | -3- Contd. We have found that the .025" release hole allows about the right amount of energy dissipation to prevent bouncing on the one hand and bumping back on the other. (11) We are recommending for… | ||
| scan0222 | Particulars of the sequence starter motor system for chassis 21-EX and 22-EX. | ||
| View original record | X7635 EFCL/T16.3.29. X7625 PARTICULARS OF SEQUENCE STARTER MOTOR SYSTEM ON 10,000 MILE CHASSIS 21-EX and 22-EX. (1) Wheel with sharp engaging tooth corners and rounded disengaging corners. (2) Pinion… | ||
| scan0223 | Production instructions and recommendations for armature, spring, and pinion components. | ||
| View original record | -2- Contd. (11) Pinion spring of rather high rating, but set up force of initially small value. (12) Armature operated contact made over the last portion of the armature travel of amount between .100… | ||
| scan0224 | Recommendation concerning release hole dimensions and armature travel to prevent damper failure. | ||
| View original record | -3- Contd. We have found that the .025" release hole allows about the right amount of energy dissipation to prevent bouncing on the one hand and thumping back on the other. (11) We are recommending… | ||
| scan0225 | Table of gap measurements for a main and auxiliary switch unit at different operational positions. | ||
| View original record | X7655 18.3.29. MAIN AND AUXILIARY SWITCH UNIT CAP TABLES. SCHEME OR UNIT:- D. MAIN SWITCH. Position of switch. Air gap at core centre. Core to armature stop. Copper gap (first blade to make). Carbon… | ||
| scan0226 | Suggesting an experimental comparison between parallel teeth and slightly spiral teeth for a gear system. | ||
| View original record | R. from EFC. SG. Wor. E. Hv. X7635 EFC2/T22.3.29. SEQUENCE STARTER. X7625 Further to our EFC1/T20.3.29. it was our intention therein to refer to the question of parallel teeth versus slightly spiral… | ||
| scan0227 | Secret internal report on the performance and improvements of the SS and 20 HP electrical starter. | ||
| View original record | Hs. BY. from R. EFC. c. to SG. Wor. E. C. SECRET x7625 R8/M25.3.29. SS. AND 20 HP. ELECTRICAL STARTER. X.7625/55. X.5650 SS The starter was a feature of anxiety. This has been proved to be quite… | ||
| scan0228 | Requesting modifications and testing for an S.S. Sequence Starter- Main & Auxiliary Switch, specifically concerning different pinion types. | ||
| View original record | X7655 To RHC. from EFC. EFCl/T25.3.29. S.S.SEQUENCE STARTER- MAIN & AUXILIARY SWITCH. We have handed one of these switches to Mr.Brock's Dept. for bringing up-to-date. We are anxious to get the… | ||
| scan0229 | Providing blueprints for a chassis starter switch for reference purposes only, detailing a revised fixing method. | ||
| View original record | RHC. c. EFC. X7655 BY/RD2/N.27.3.29. Re: SS. Chassis Starter Switch Sec.8240 LEC.2684. Please receive herewith blueprints of details made to LEC.2684. You will note that this LEC deals only with the… | ||
| scan0230 | Blueprints for a revised fixing method for the SS Chassis Starter Switch. | ||
| View original record | x7655 RHC. c. EFC. BY/RD2/N.27.3.29. Re: SS. Chassis Starter Switch Sec.8240 LEC.2684. Please receive herewith blueprints of details made to LEC.2684. You will note that this LEC deals only with the… | ||
| scan0231 | S.S. starter motor and associated components for a remodelled car. | ||
| View original record | RHC. from EFC. c. EY/RD. x7655 EFC5/T3.4.29. S.S. STARTER MOTOR. We understand that one S.S. car is to be remodelled entirely on proposed production lines. Naturally we are very anxious to have at the… | ||
| scan0232 | Extract from a daily report from France regarding a spare starter motor failure and button switch issues. | ||
| View original record | X7655 Extract from Daily report from France of 229X. 3.4.29. The spare starter motor failed after three or four attempts at starting. It was again found that the larger diameter bearing (pinion end)… | ||
| scan0233 | Pinion and wheel binding issues in the S.S. Sequence Starter and proposing trials for a solution. | ||
| View original record | X7655 To BY. from EFC. EFC3/T3.4.29. S.S. SEQUENCE STARTER. With the pinion and wheel teeth cut to the present fine mesh limits, we do not appear to be entirely rid of the possibility of the pinion… | ||
| scan0234 | Extract from a daily report from France detailing issues with a spare starter motor on car 22EX. | ||
| View original record | X7658 Extract from Daily report from France on 22EX. 4.4.29. The spare starter motor is now almost O.K., the trouble is definitely, firstly the starter button is too stiff in operation, contacts not… | ||
| scan0235 | Failure of a starter motor on vehicle 22-EX due to a seized bearing. | ||
| View original record | X7655 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby. 4th. April 1929. Hotel de France, Chateauroux, Indre, France. Mr. Hancock from Hs. Failure of Starter Motor on 22-EX. With regard to your report… | ||
| scan0236 | Letter concerning the failure of a starter motor and Bijur system on a 22-EX car, and proposed solutions. | ||
| View original record | +7685 Expl: Dept: Messrs. Rolls-Royce Ltd., Derby. 6th. April 1929. X7941 Hotel de France, Chateauroux, Indre, France. Mr. Hancock from Hs. We are still anxious to hear from you the reason for your… | ||
| scan0237 | Production test table for a combined main and auxiliary switch unit. | ||
| View original record | X7655 PRODUCTION TEST TABLE of S.S. COMBINED MAIN SWITCH AND AUXILIARY SWITCH UNIT. II. MAIN SWITCH UNIT. Date. | Unit Number. | (1) Gap remarks. | (2) Amperes (7.5 to 8.5) | (3) Amperes + 7.0 | (4)… | ||
| scan0238 | Production test table for a combined main and auxiliary switch unit. | ||
| View original record | PRODUCTION TEST TABLE of S.S COMBINED MAIN SWITCH AND AUXILIARY SWITCH UNIT. III. AUXILIARY SWITCH UNIT. Date. Unit Number. (1) Gap remarks. (2) Amperes (2.4 to 3.4) (3) Amperes (1.00 to 1.75) (4)… | ||
| scan0239 | Urgent request to replace a flat carbon arm spring that was incorrectly left glass hard instead of being tempered. | ||
| View original record | RHC. from EFC. URGENT. X-7650 EFC3/T10.4.29. Will you please have flat carbon arm spring D.71741 replaced on carbon arm herewith. This spring appears to have been left glass hard in error, whereas it… | ||
| scan0240 | Instructions to modify an S.S. main and auxiliary switch unit by increasing the carbon spring set to prevent sparking. | ||
| View original record | RR 23B {150 BKS.} (DB 461-8-12-24) MP 306975 X.7655 ROLLS-ROYCE LTD. INSTRUCTIONS. 15 - 4 - 1929 To E.T.C. Order No. WD54 Customer's No. S.S. main and auxiliary switch unit As a result of testing a… | ||
| scan0241 | Status of various components for the SS. Sequence Starter. | ||
| View original record | Y7655 To RHC. from EFC. EFC3/T15.4.29. SS. SEQUENCE STARTER. We trust as refered to in our EFC5/T3.4.29 that a complete set of starter equipment to up-to-date instructions is in progress. In the… | ||
| scan0242 | Failure of an S.S. push button switch on a test rig and proposed solutions. | ||
| View original record | x7655 RHC. from EFC. EFC5/T15.4.29. SS. PUSH BUTTON SWITCH. We are getting very anxious about the S.S. push button switch because the one we have had on our test rig has now failed badly. We had… | ||
| scan0243 | Failure of a new two-way push-button switch and suggesting the use of an older design. | ||
| View original record | X7655 BY. from EFC. c. BY/RD. EFC6/T15.4.29. S.S. PUSH BUTTON SWITCH. You may remember that as we reported in our EFCL/LG8.3.29 (To R.), we were and still are dubious about the prospect of… | ||
| scan0244 | Request to remove, readjust, and re-test a Main & Auxiliary Switch Unit from chassis 21-EX. | ||
| View original record | x.7655 RHC. from EFC. c. Hs/AJL. EFC2/T17.4.29. S.S. MAIN & AUXILIARY SWITCH UNIT Will you please arrange for this unit to be removed from chassis 21-EX and readjusted to our latest and most… | ||
| scan0245 | Extract from CWH's report from France concerning a persistently failing starter motor. | ||
| View original record | Extract from CWH's report from France on 22-LX X7655 19.4.29. The starter motor is still useless. It will not engage, when the button is pressed there is a crashing of the pinion teeth on the flywheel… | ||
| scan0246 | Test report on a modified S.S. starter motor pinion, concluding no improvement over the standard design. | ||
| View original record | RR 23B (150 BKS.) (DB 481-8-12-24) MP 306975 X7655 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.7.C. Order No.: WD56 Customer's No.: X-7625 19-4-1929 S.S. starter motor pinion We have tested on our bench rig,… | ||
| scan0247 | The 10,000-mile test of the 22-EX car, covering issues with the steering, slipper drive, and starter motor. | ||
| View original record | x7655 To Sg. from Hs. Hs4/LG22.4.29. x7430 (crossed out) x7941 (crossed out) x7655 10,000 MILES TEST ON 22-EX CAR. Replying to Sg20/E19.4.29. Referring to the reporte dated 10th.April. The reason for… | ||
| scan0248 | Typed letter discussing a starter motor fault and its potential causes. | ||
| View original record | x7655 Expl. Office, Rolls-Royce Ltd., Derby. 22nd April, 1929. Mr. G.W.Hancock, Hotel de France, Chateauroux, Indre, France. GWH: from EFC. x7625 RE STARTER MOTOR. It appears from the first paragraph… | ||
| scan0249 | Modification of S.S. Starter equipment, including special pinions for experimental chassis. | ||
| View original record | X.7655 To RHC. from EFC. EFC3/T23.4.29. S.S. STARTER. We have been urging with you a complete set of up-to-date starter equipment, i.e. in accordance with instructions now being given for production,… | ||
| scan0250 | Issues with a new two-way push-button switch, recommending a return to an earlier, more reliable design. | ||
| View original record | R. from EFC. c. SG. E. c. Ey. Wor. X7655 EFC4/T23.4.29. S.S. PUSH BUTTON SWITCH. The new two-way press button switch has given trouble in one or two instances and cannot be considered satisfactory… | ||
| scan0251 | Replacement of an unsatisfactory starter switch on the SS chassis with an older model. | ||
| View original record | X765J TO. RHC. C. EFC. BY/RD3/N.24.4.29. SS. CHASSIS STARTER SWITCH. From the reports received the starter switch to LOP D.72088 is unsatisfactory, and we are reverting to the old type of starter… | ||
| scan0252 | Material combinations for pinions and gear wheels using Nitralloy and nickel chrome steels. | ||
| View original record | RHC. c. Ry/TWD. c. Hs COPY. X7655. By2/G25.4.29. NITRALLOY GEARS. Although we have ordered both pinions and gear blanks in nitralloy steel we do not suggest that they should be used together, as we… | ||
| scan0253 | Requesting assurance that production instructions for the S.S. Sequence Starter are complete and up-to-date. | ||
| View original record | X7633 To BY/RD. from EFC. c. RHC. EFC8/T25.4.29. S.S. SEQUENCE STARTER. UP-TO-DATE ITEMS FOR PRODUCTION. Herewith we attach a list of the salient items. We should like to have BY/RD's assurance that… | ||
| scan0254 | List of particulars for a sequence starter motor system for S.S. production. | ||
| View original record | X 7655 EFC/T25.4.29. PARTICULARS OF SEQUENCE STARTER MOTOR SYSTEM FOR S.S. PRODUCTION. (1) Wheel with sharp engaging tooth corners and rounded disengaging corners. (2) Pinion with sharp engaging tooth… | ||
| scan0255 | Numbered list of technical specifications and modifications for various components. | ||
| View original record | -2- Contd. (11) Pinion spring of rather high rating but set-up force of initially small value. (12) Armature operated contact to be made over the last .200 of armature travel, i.e. an amount which… | ||
| scan0256 | The thickness and angle of the carbon arm flat spring for the S.S. Starter Main & Auxiliary Switch. | ||
| View original record | X7655 BY/RD. from EFC. R c. HHC. EFC1/T26.4.29. S.S. STARTER MAIN & AUXILIARY SWITCH. The thickness of the carbon arm flat spring which we have experimentally found most satisfactory is .020, and the… | ||
| scan0257 | Swapping a push button switch between experimental chassis 9-EX and 21-EX. | ||
| View original record | RHC. from EFC. c. Hs/AJL. X7655 EFC2/T26.4.29. PUSH BUTTON SWITCH FOR 21-EX. Referring to EY/RD3/N24.4.29 will you please arrange for the push button switch of the old type at present in use on 9-EX… | ||
| scan0258 | Use of sharp-edged versus rounded and backed-off teeth on S.S+ starter motor pinions. | ||
| View original record | To RHC. from LFC. x7655 EFC3/T30.4.29. S.S+ STARTER MOTOR. We recently received from you a pinion with sharp edged teeth. We have now tried this. My impression is that it is neither better nor worse… | ||
| scan0259 | Despatch of a sample S.S. push button switch. | ||
| View original record | X7655 To R. from EFC. c. SG. EFC5/T30.4.29. S.S. PUSH BUTTON SWITCH. As referred to in our EFC4/T23.4.29, we are now having despatched to you under separate cover a sample push button switch. EFC. | ||
| scan0260 | The inspection of a sample S.S. starter motor push button switch. | ||
| View original record | x7655 To D/BP. from EFC. c. Despatch Stores. EFC6/T30.4.29. S.S. STARTER MOTOR PUSH BUTTON SWITCH. We are sending into the stores one push button switch. Will you please instruct for this sample to be… | ||
| scan0261 | Force required to operate an S.S. press button starter switch. | ||
| View original record | X.7655 To E. from EFC. EFC2/T4.5.29. S.S. PRESS BUTTON STARTER SWITCH. We have received your E1/M2.5.29. The matter is being looked into and EY. will be writing on the subject. It was our impression,… | ||
| scan0262 | Tests on different pinion gear designs to resolve S.S. motor engagement jamming issues. | ||
| View original record | To R. from EFC. c. SG. E. c. BY. Wor. X7655 EFCl/T4.5.29. S.S. MOTOR ENGAGEMENT. It will be remembered that when we tried a pinion with sharp engaging corners, rounded disengaging corners and… | ||
| scan0263 | Use of sharp-edged pinions on experimental cars and the necessity of rounding them off. | ||
| View original record | EFC1/T4.5.29. -2- Contd. completely sharp edged pinions for other experimental cars because if such pinions turn out to give consistently equally good results, there would appear no reason for the… | ||
| scan0264 | Squeaking, braking proportions, oil leaks, and starter motor faults on experimental cars. | ||
| View original record | X7655B. Hs3/LG6.5.29. S.S. 22-EX CAR. X7770 X7420 X7655B. To Sg. from Hs. Replying to Sg8/El.5.29. We have sent new parts out to 22-EX car which we expect will overcome the squeaking. 21-EX car which… | ||
| scan0265 | Experimental record sheet for a Sequence Starter (S.S) duplex push button switch. | ||
| View original record | X7655 ELECTRICAL EXPERIMENTAL RECORD SHEET Date:- 3-3-29. Sequence Starter (S.S) duplex push button switch. A. Date on. | Location. | Date off. | REMARKS. | Miles reading Start. | Miles reading… | ||
| scan0266 | The sourcing and fitting of a push button switch for experimental chassis 19-EX. | ||
| View original record | X7655 To RHC. from EFC. c. Hs/AJL. EFC3/T7.5.29 PUSH BUTTON SWITCH FOR 19-EX. In our EFC2/T26.4.29 at which time 21-EX was to be production chassis, we suggested utilising the duplex push button… | ||
| scan0267 | Internal memorandum regarding the assembly of a new bow spring for a press button starter switch. | ||
| View original record | X7655 To RHC. C. EFC. BY/RD17/N.7.5.29. Re: SS. Press Button Starter Switch Sec.8240. In accordance with El/M25.2.29 will you please put in hand one bow spring blueprint D.72237 sent herewith. When… | ||
| scan0268 | Instruction regarding the production of a push button switch for car 23-EX due to an unsatisfactory part, referencing alternative materials and blueprints. | ||
| View original record | RHC. EFC. X76555 BY/RD8/N.10.5.29. Push Button Switch - Section 8240 - For 23-EX. X-6441 7655 Owing to push button switch D.72088 being unsatisfactory for production it becomes necessary to fit the… | ||
| scan0269 | Specifications for a new main armature spring for an SS starter motor. | ||
| View original record | Y7655 To EY/RD. from EFC. EFC/T13.5.29. MAIN ARMATURE SPRING FOR SS. STARTER MOTOR. We are of the opinion from the results of trial on the latest longer travel armature motor on chassis 19-EX, that if… | ||
| scan0270 | Specification of inspection and test for a combined main and auxiliary switch unit. | ||
| View original record | X7655 To BY/RD. from EFC. EFC2/T13.5.29. COMBINED MAIN SWITCH & AUXILIARY SWITCH UNIT. In our present tentative version of specification of inspection and test of this unit, we have as one item, that… | ||
| scan0271 | Duplex automatic switch and push button switch for the 23-EX chassis, and an urgent request for a switch for a test rig. | ||
| View original record | X7655 To RHC. from EFC. c. HS/AJL. EFC/T14.5.29. PUSH BUTTON SWITCH FOR 23-EX. The duplex automatic switch has already been handed over for this chassis, having passed test satisfactorily. The starter… | ||
| scan0272 | Electrical experimental record sheet for a sequence starter main switch and relay unit. | ||
| View original record | X7655 C. ELECTRICAL EXPERIMENTAL RECORD SHEETS X.&No.:- 7650 Sequence Starter main switch and relay unit Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. |… | ||
| scan0273 | Electrical experimental record sheet logging mileage and component status. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS. Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered. | Total miles. 6-2-28 | 9EX | (contd) | | | 3660 |… | ||
| scan0274 | Electrical experimental record sheet for a sequence starter main switch and relay unit. | ||
| View original record | X7655 ELECTRICAL EXPERIMENTAL RECORD SHEETS D. X.&No.:- 7650 Sequence Starter main switch + relay unit. Date on. Location. Date off. REMARKS. Miles reading start. Miles reading finish. Miles covered.… | ||
| scan0275 | Fitting a push button starter switch to SS chassis cars. | ||
| View original record | RHC. EFC. X7655 BY/RD18/N.16.5.29. Re: SS. Chassis Starter Switch Sec.8240. X7655 In order to bring the remaining 6 SS. cars into line with production on the above unit, will you please arrange to fit… | ||
| scan0276 | 'Sg' to 'H' requesting an update on the self-starter breakdown of car 22-EX in France. | ||
| View original record | X7655. E.F.C. To H. from Sg re 22-EX. Sg17/E22.5.29 I should be glad to hear about the above car and the self-starter breakdown in France. I have been expecting to see a memo. going through about it… | ||
| scan0277 | Test and mileage log for a main and auxiliary switch unit with mechanical interlock, designated Unit B. | ||
| View original record | X7655 Main and Auxiliary Switch unit with mechanical interlock for Sequence Starter Unit B ELECTRICAL EXPERIMENTAL RECORD SHEETS. Date on. | Location. | Date off. | REMARKS. | Miles reading Start. |… | ||
| scan0278 | Electrical experimental record sheet for a combined mains switch and auxiliary unit F. | ||
| View original record | X 7655 ELECTRICAL EXPERIMENTAL RECORD SHEETS. Date. 16-1-29. Combined mains switch and auxiliary unit F. Date on. | Location. | Date off. | REMARKS. | Miles reading Start. | Miles reading Finish. |… | ||
| scan0279 | Electrical experimental record sheet for a Sequence Starter (SS) duplex push button switch. | ||
| View original record | X7655 ELECTRICAL EXPERIMENTAL RECORD SHEET. Date:- 12-3-29 Sequence Starter (SS) duplex push button switch C. Date on. Location. Date off. REMARKS. Miles reading Start. Miles reading Finish. Miles… | ||
| scan0280 | Instruction sheet on the condition of a sequence starter main and auxiliary switch unit. | ||
| View original record | RR 238 (150 BKS.) (DB 461-8-12-24) MP 306975 X7655 ROLLS-ROYCE LTD. INSTRUCTIONS. To E.7.C. Order No. WD63. Customer's No. X7625 23-5-1929 Sequence Starter main and auxiliary switch unit B with… | ||
| scan0281 | Specifications, gaps, and arrangement for a duplex push button switch. | ||
| View original record | X 7655 BY/RD. from EFC. EFC6/D24.5.29. DUPLEX PUSH BUTTON SWITCH. When it was proposed to use this switch previously, we went into the question of the gaps and arrived at gaps in accordance with the… | ||
| scan0282 | Modifications and corrections required for a press button starter switch. | ||
| View original record | X7655 By. from E. SECRET. El/M25.5.29. c. Sg. EFC. Hs. SS. PRESS BUTTON STARTER SWITCH MODIFICATIONS. We send herewith LeC. 2710. dealing with the above. R. remarks - "This press button switch is… | ||
| scan0283 | Blueprint for a new Flywheel Gear Ring (G.77772) due to a material change for the 40/50-HP 'SS' Chassis. | ||
| View original record | X7655 To. RHC. c. ERC. BY/TWD1/E.25.5.29. 40/50-HP. CHASSIS. ("SS".) FLYWHEEL & CLUTCH. SECTION 6000. Please receive herewith one blue print of the following :- G.77772. Flywheel Gear Ring. 1 off per… | ||
| scan0284 | Investigation report into a 22-EX starter failure that occurred in France. | ||
| View original record | R. from EFC. C. SG. C. EY. Wor. X7655 EFC5/D27.5.29. X.7655 22-EX STARTER FAILURE IN FRANCE. X.7680. X.8692. The components of the starter system have now been received in the Electrical Experimental… | ||
| scan0285 | Continued fault analysis of a switch and starter motor, comparing it to older and alternative systems. | ||
| View original record | -2- EFC5/D27.5.29 contd Apart from the fact that the base of this switch would now be a bakelite moulding, it will be remembered that this design of switch has been temporarily replaced by the older… | ||
| scan0286 | Extract from a report comparing the pressure required for a new press button switch to previous models. | ||
| View original record | 30.5.29. Extract taken from Mr. Hancock's report of 2.5.29. X.7655. PRESS BUTTON SWITCH LOP. D.72088 LEC 2641. The press button switch required considerable more pressure to operate than previous push… | ||
| scan0287 | Extract from a report detailing the failure of a starter motor and subsequent damage caused by a short circuit. | ||
| View original record | 30.5.29. Extract taken from Mr. Hancock's report of 2.5.29. X.7655. STARTER MOTOR TO LEC 2647. The starter motor failed to function intermittently after the first five days run and failed altogether… | ||
| scan0288 | Electrical experimental record sheet for a cut-out shunt connected to Terminal C. | ||
| View original record | X7655 ELECTRICAL EXPERIMENTAL RECORD SHEETS. Cut-Out Shunt connected to Terminal C. X. No: - Date on. | Location. | Date off. | REMARKS. | Miles reading start. | Miles reading finish. | Miles covered.… | ||
| scan0289 | Starter failure on car 22-EX, traced to an electrical fault caused by the use of ebonite. | ||
| View original record | X7655 To EFC from Sg. re 22-EX. Starter Failure in France. Referring to EFC5/D27.5.29 it is satisfactory to see that this failure, the cause of which seemed so obscure, has been definitely traced to… | ||
| scan0290 | Production adjustment specification for the combined main switch and auxiliary switch unit. | ||
| View original record | X7655B X.7655B. COMBINED MAIN SWITCH & AUXILIARY X.7781. SWITCH UNIT. SPECIFICATION OF PRODUCTION ADJUSTMENT. VERSION J. 1. ADJUSTMENT. (1) Assuming that the armature stop pieces on the main and… | ||
| scan0291 | Adjustment procedures for main and auxiliary switch unit components. | ||
| View original record | -2- (3) Now set relation of the copper and carbon arms by placing an .040" distance piece between the first to make copper contacts and adjusting the carbons to be just in contact when these copper… | ||
| scan0292 | Page 3 of a document detailing adjustments for a relay lever, gap distances and production inspection tests. | ||
| View original record | -3- .040 ± 5 when the relay lever is in its off position (as previously adjusted by top contact). (8) Having made these various adjustments, all gaps should be checked over and should be found… | ||
| scan0293 | Replacement of ebonite parts with bakelite mouldings to address starter failures. | ||
| View original record | X7655 Sg. from EFC. EFC2/AD3.6.29. 22-EX STARTER FAILURE. Answering your Sg9/El.6.29, it is arranged to be the case on production, that no ebonite parts whatever will be used in connection with… | ||
| scan0294 | Directive regarding the replacement of ebonite parts with bakelite mouldings for S.S. starter systems. | ||
| View original record | X7655 Experimental Shop from EFC. EFC3/AD3.6.29. BAKELITE MOULDINGS TO REPLACE EBONITE PARTS X3513 We ought to take the earliest opportunity in every case concerning the replacement of ebonite parts… | ||
| scan0295 | Modifications and observations of the S.S. starter motor system. | ||
| View original record | X7655 R. from EFC. c. SG. c. Ev. C. E. DA. Wor. EFC2/AD4.6.29. X.7655. S.S. STARTER SYSTEM. X.7625 We have now, in adopting the latest approved modifications of the S.S. sequence starter motor system… | ||
| scan0296 | The trials and adjustments of a system on chassis 18-EX, discussing gear scream, springs, and an automatic switch. | ||
| View original record | -2- contd. engagement when the engine fired, appeared to be slightly prolonged, the result being a more prolonged gear scream on dis-engagement. As stated, we are of the opinion that we have slightly… | ||
| scan0297 | Modifications and performance of a motor, discussing magnetic traction, contacts, and gear noise. | ||
| View original record | -3- contd. uniformly perfect, this however, remains to be seen. On the whole so far, these contacts have not done badly. As a result of certain minor electrical and magnetic modifications which we… | ||
| scan0298 | Discussion of engine starting issues and a proposed solution involving a switch in the teazer circuit. | ||
| View original record | -4- contd. thought to be stopped is running, and the button is pushed. Another point is, that it sometimes happens in starting, that the engine gives a few, and frequently only one explosion, without… | ||
| scan0299 | Specific parts awaited to proceed with starter motor system rig tests. | ||
| View original record | X7655 RHC/FW. from EFC. EFC2/AD8.6.29. X.7655. SEQUENCE STARTER MOTOR SYSTEM. To enable us to proceed with the starter motor system rig tests, we are awaiting the following :- Complete starter motor… | ||
| scan0300 | Cover memo for the specification of production adjustment, inspection and test for the S.S. Combined Main Switch & Auxiliary Switch Unit. | ||
| View original record | X7655 EFC is absent Ry. c. Sft c. Sft/Mr Brock. EFC4/AM 2.6.29. S.S. COMBINED MAIN SWITCH & AUXILIARY SWITCH UNIT. Herewith please receive, Specification of Production Adjustment and Production… | ||
| scan0301 | Updated blueprint for the SS. Starter Motor Diagram of Connections. | ||
| View original record | X7655 DESCRIPTION EFC. BY/RD3/N.14.6.29. Re: SS. Starter Motor. For your information we attach hereto blueprint D,71961 - Diagram of Connections, which has now been brought up-to-date. BY/RD. | ||
| scan0302 | Starter switch for the SS Chassis, specifically about the size of gaps. | ||
| View original record | EFC. X7655 BY/RD8/N.15.6.29. SS. Chassis - Starter Switch. Referring to your memo EFC6/D.24.5.29. Before receiving this we had already instructed this unit both for Experimental and production, and… | ||
| scan0303 | Limits and gaps for the SS. Chassis Automatic Switch. | ||
| View original record | EFC. X7655. BY/RD11/N.25.6.29. SS. Chassis Automatic Switch. ------------------------- With reference to the specification of adjustments issued under EFC4/AD.12.6.29, and headed "Version J", we have… | ||
| scan0304 | Specifications and production testing of gaps for duplex push button switches. | ||
| View original record | X7655. By/RD. from EFC. EFC2/AD26.6.29. DUPLEX PUSH BUTTON SWITCH GAPS. The gaps quoted in our EFC6/D24.5.29 were the approved gaps arrived at a good while ago and given to you at the time, see our… | ||
| scan0305 | Observed gaps and further testing for a main and auxiliary switch unit. | ||
| View original record | Ry. from EFC. c. By/RD. X.5655. EFC4/ADES.6.29. MAIN AND AUXILIARY SWITCH UNIT Please find attached copy of table of gaps as actually observed on a production main and auxiliary switch unit, which has… | ||
| scan0306 | Cover note for the production inspection and test specification for a Duplex Button Switch. | ||
| View original record | X7655 Ey. from EFC. c. Sft. c. Sft/Mr Brock. EFC5/AD28.6.29. X.7655. DUPLEX BUTTON SWITCH. X.7781. Herewith please receive, Specification of Production Inspection and Test for the above. EFC. | ||
| scan0307 | Request to alter a duplex push button switch according to a revised table of gaps for production. | ||
| View original record | X7655. Experimental Shop. from EFC. EFC5/AD28.6.29 X. 765G. DUPLEX PUSH BUTTON SWITCH. Will you please have the Duplex push button switch altered to be in accordance with the revised table of gaps… | ||
| scan0308 | Table for the gap adjustment specifications for a duplex push button switch. | ||
| View original record | X7655 28.6.29. X.7656. DUPLEX PUSH BUTTON SWITCH. TABLE FOR GAP ADJUSTMENT. Position Button depression. Copper gap. Carbon gap. Off A + .000 .065 +12 -10 .025 +15 Carbons in contact. A+.014+8 .045 -10… | ||
| scan0309 | Specification for the production, inspection, and testing of a push duplex button switch. | ||
| View original record | (VERSION 2.) X7655 28.6.29. X.7655. PUSH DUPLEX BUTTON SWITCH. X.7781. SPECIFICATION OF PRODUCTION INSPECTION AND TEST. (1) Inspection shall be made that :- (a) The carbon contacts exactly bed… | ||
| scan0310 | Investigation report into a burnt-out sequence starter main and auxiliary switch unit from chassis 24-WJ. | ||
| View original record | X7655 By. from EFC. c. By/RD. c. C/Gn/WFH/EG. EFC2/AD27.10.30. X.7655. SEQUENCE STARTER MAIN AND AUXILIARY SWITCH UNIT EX CHASSIS 24-WJ. This switch was received by us in a very unusual condition for… | ||
| scan0311 | Urging the completion of the Duplex starter switch for chassis 27-EX. | ||
| View original record | X 7655 RHC. from EFC. EFC3/AD31.10.30. May we urge with you the completion of the Duplex starter switch to LeC.2804 as instructed in By/RD3/W15.8.30. We have been instructed to include this in the… | ||
| scan0312 | Electrical experimental record sheet for a main and auxiliary switch unit with mechanical interlock for a sequence starter, Unit A, Sheet I. | ||
| View original record | X7655 Main and Auxiliary switch unit with mechanical interlock for Sequence Starter ELECTRICAL EXPERIMENTAL RECORD SHEETS. Unit A (Sheet I) | Date on. | Location. | Date off. | REMARKS. | Miles… | ||
| scan0313 | Electrical experimental record sheet tracking the mileage and condition of a main and auxiliary switch unit. | ||
| View original record | ELECTRICAL EXPERIMENTAL RECORD SHEETS. Main and Auxiliary switch unit A.NO. (Sheet II) Date on. | Location. | Date off. | REMARKS. | Miles reading Start. | Miles reading finish. | Miles covered |… | ||
| scan0314 | Fault with the Phantom II chassis starter system due to an incorrectly fitted instrument board. | ||
| View original record | X. 7655. [REDACTED] [REDACTED] [REDACTED] C - EFC. BY/RD4/W.12-11-30. Re :- "Phantom II" Chassis Starter System. On Chassis No. 24-WJ (Wallace) and now on 169-XJ, the Relay Coil on the Automatic Main… | ||
| scan0315 | Suggesting a material modification for a revised automatic switch's spring contact assembly. | ||
| View original record | X 7655 RHC. from EFC. EFC1/ADL 3.11.30. X.7655. REVISED AUTOMATIC SWITCH TO Lec.2804 INSTRUCTED BY By/RD3/W15.8.30. We have duly received this switch and on inspection we are of the opinion that the… | ||
| scan0316 | Requesting the modification of an experimental switch to produce a second unit for endurance testing. | ||
| View original record | RHC. from EFC. X7655 EFC3/ADL 3.11.30. X.7655. MAIN STARTER SWITCH TO Lec.2804. In view of the fact that an endurance test of this switch was called for on the LeC and that one of these switches is to… | ||
| scan0317 | Faulty automatic switch from chassis 167-XJ. | ||
| View original record | X.7655 ~~RV.~~ ~~C.to Sft.~~ ~~C.to Hs.~~ ~~C.to MR~~ C.to Sft/Mr.Brock. [STAMP] RECEIVED 19 NOV 1930 Hd/AVS.21/KH.18.11.30. RE: CHASSIS 167-XJ - R.R.CRICKLEWOOD.… | ||
| scan0318 | Test report on a sequence starter main switch unit, comparing two versions with different gauge copper contacts. | ||
| View original record | E.T.C. Ref. NO. WE60. X. 7655. Date 26-11-30. X.NOS. 7655 Sequence Starter main switch unit arranged to LEC.2804. We have now received and tested two units as above one fitted with copper contacts of… | ||
| scan0319 | Switch contact testing using a chronograph and suggesting a preferred component. | ||
| View original record | WE60. (2) Contd. was connected up to the Chronograph (as elsewhere previously described) and a high speed chronographic record taken of the instants of make of the carbon and copper contacts. These… | ||
| scan0320 | Test report on two prototype sequence starter main switch units, comparing different contact laminations. | ||
| View original record | R. from EFC. c. Sg. c. By. c. Wor. X7655 EFC3/AD2.12.30. X.7655. SEQUENCE STARTER MAIN SWITCH UNIT TO LeC.2804. Two of these units have been made and duly tested in our experimental laboratory… | ||
| scan0321 | Proposal to modify the P.2. starter's auxiliary switch by deleting carbon contacts to reduce production costs. | ||
| View original record | R. from EFC. c. Sg. c. Ev. Wor. X7655. EFCL/ADL1.12.30. X.6048. AUXILIARY SWITCH OF P.2. STARTER X.7655. SWITCH UNIT, WITHOUT CARBON CONTACTS. We have observed that on the present standard P.2.… | ||
| scan0322 | Endurance test report for a modified starter main and auxiliary switch unit. | ||
| View original record | E.7.C. X.7655. Date 15-12-30 Ref NO. WE66 X.NOS. 7655 Sequence Starter main and auxiliary switch unit to LEC 2804. We have now carried out an endurance test of an automatic starter switch modified to… | ||
| scan0323 | Improved condition of copper contacts after a test on a switch. | ||
| View original record | (2) could Copper contacts confirmed this as upon examination at the conclusion of the test it was noticed that very little burning or marking had occurred being much less than that experienced with a… | ||
| scan0324 | Request to modify the sequence starter main and auxiliary switch unit for an experimental Phantom II chassis. | ||
| View original record | X7655. RHC. from EFC. c.c Hs/AJL. EFC4/AM16.12.30. X. 7655. SEQUENCE STARTER MAIN AND AUXILIARY SWITCH UNIT TO LeC.2804. X.6033. The main and auxiliary switch unit on the next experimental Phantom II… | ||
| scan0325 | Endurance test report on a sequence starter main switch copper laminated contact brush. | ||
| View original record | X7655. To R. from EFC. c. Sg. c. Wor. c. E. By. EFC5/AD16.12.30. X.7655. SEQUENCE STARTER MAIN SWITCH TO LeC.2804. Further to our EFC3/AD2.12.30, the endurance test therein mentioned has now been… | ||
| scan0326 | Cross-reference note for the Phantom II (Sequence) Starter gear. | ||
| View original record | X.7655 31.12.30. For further matter relating to Phantom II (Sequence) Starter gear see X.6080. | ||