Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Notes on rectifying gearbox noise by levelling and establishing the correct oil level. | ||
| View original record | R.R. 148 (20 H) (W 414. 13 4 11 ) G 1616. Gear Boxes X522 2400. Sound side shaft - Gear noise (deep in gear) improved by packing feet to make box level (car 60582) 29.8.07 E.P. TMB Amount of oil in… | ||
| scan0002 | Instruction memo to the Technical Committee outlining a theory on the cause of howling side shafts. | ||
| View original record | R.R. 300 (6 B) (W. 159. 24.1.11) G. 103rd Meeting Z 522 510 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Technical Committee Order No. Customer's No. Re: Howling Side shafts Thinking it improbable that the… | ||
| scan0003 | Analysis of a howling side shaft, calculating vibration frequencies based on engine speed and gear teeth. | ||
| View original record | R.R. 300 (6 B) (W. 159. 24.1.11) G. 1411. ROLLS-ROYCE LIMITED. INSTRUCTIONS. 511 19 To Order No. Customer's No. Re Howling Side Shafts Cont. For instance, a certain sideshaft was loudest on the notes… | ||
| scan0004 | Investigation into a harmonic vibration and a musical note relating to the side shaft and gearbox. | ||
| View original record | R.R. 300 (6 B) (W. 159. 24.1.11) G. 1411. 512 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 19 To Order No. Customer's No. Re Howley side shaft Con. time which vibrates freely at about 225 (say) times per second… | ||
| scan0005 | Instructions for diagnosing and curing howling side shafts. | ||
| View original record | R.R. 300 (6 B) (W. 159. 24.1.11) G. 1411. 513 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No. Customer's No. Date: Dec 19 1911 Re Howling Side Shafts (Carmine) was completely blocked & the oil thrown… | ||
| scan0006 | Instructions regarding a howling side shaft, investigating why good gears become bad when paired with 'cured' intermediate gears due to harmonic vibrations. | ||
| View original record | R.R. 300 (6 R) (W. 159. 24.1.11) G. 1411. ROLLS-ROYCE LIMITED. INSTRUCTIONS. 514 19 To Order No. Customer's No. Re Howly Side Shaft Continue) sometimes disappears; & why good gears in a box with noisy… | ||
| scan0007 | Meeting minutes discussing the cause of howling side shafts in gearboxes. | ||
| View original record | GEAR BOXES (Contd.) (8) X522 103rd Meeting Re Howling side shafts, Mr. Whitehead's note dated Dec. 22. 11. Mr. Nadin read a note from Mr. Whitehead (Tool Drawing Office) concerning the trouble we… | ||
| scan0008 | The cause of a musical note in gearboxes and proposals for testing. | ||
| View original record | GEAR BOXES (Contd.) (9) "The diaphragm which isolates the intermediates has a musical note, but it is too high - it may be an accessory but not the prime cause. The column of air crossways in the box… | ||
| scan0009 | Committee discussion regarding the re-design of a gear box test rig. | ||
| View original record | GEAR BOXES (Contd.) (10) thought his tests were, however, inconclusive. Mr. Platford suggested that our gear box test rig should be completely re-designed in such a manner that the box itself could be… | ||
| scan0010 | To the technical committee regarding noise from the side shaft and gearbox, and the efforts to find a solution. | ||
| View original record | Recd. 11/3/12. Le Canadel. 9th March 1912. C.J. and Technical Committee Gear Box. With reference to the noise of the side shaft and other gear box gears, which is specially noticeable in covered cars… | ||
| scan0011 | By Mr. Royce discussing three potential solutions to address the noise from a side shaft running idle in a gearbox. | ||
| View original record | GEAR BOX Written by Mr Royce on March 10th.1912. Handed to T.C. March 12th. Mr Royce said - [Strikethrough] The worst trouble appears to be the noise of The worst trouble appears to be the noise of… | ||
| scan0012 | Gearbox noise caused by the side shaft running idle and potential solutions. | ||
| View original record | Recd.12/3/12. Le Canadel. Z 522 10th March.1912. R6/D10312. C.J. and Technical Committee. Gear Box. The noise caused by the side shaft running idle now appears to be the worst trouble in our gear… | ||
| scan0013 | Methods for changing gear and the use of different types of ball bearings. | ||
| View original record | (2) This second method should materially facilitate changing gear. English Daimler is one of this type, I think. The easiest method and the least trouble is to throw out the reverse pinion only, but… | ||
| scan0014 | Letter to Mr Royce regarding noise issues caused by an idling side shaft in gear boxes. | ||
| View original record | re Gear Boxes. TBB8/L15312. Mr Royce 15.3.12. With reference to your note R6/D10312 concerning the noises caused by the side shaft running idle, I had some experience with this trouble at Napiers, and… | ||
| scan0015 | Abandoned gearbox design and the subsequent improved arrangement for the 40 and 60 HP models. | ||
| View original record | (2) top gear was put into engagement. This pinion was returned into gear when the hand lever was brought back to neutral from top gear, by means of a spring. This arrangement was extremely… | ||
| scan0016 | Description of the operation of a gearbox, detailing the engagement of top, second, and reverse gears. | ||
| View original record | 3) internal toothed ring on the main shaft for the top gear, consequently the lay-shaft is thrown out of engagement when the top gear is engaged, but not for neutral position. When the gear is changed… | ||
| scan0017 | Typed memorandum detailing the design considerations and applications of a specific gearbox, comparing it to older versions. | ||
| View original record | (4) to the necessity of sticking to the old centres of change gear quadrant and position of box. This box is at present used on the standard 45 and 65 h.p. but is not used on the 30 h.p. The general… | ||
| scan0018 | Objections and operational difficulties with a change gear mechanism, particularly regarding the quadrant shape and engaging gears. | ||
| View original record | (5) The great objection to the change gear mechanism is the shape of the quadrant, i.e. when in top gear, the lever is pushed forward to disengage, moved to the right and pulled back again for second,… | ||
| scan0019 | Page fragment discussing the state of a counter-shaft under certain conditions. | ||
| View original record | (6) serious, as of course the counter-shaft is free under these conditions. RR FORM NO. (D) 527. C & S LTD (D) 3920 | ||
| scan0020 | Departmental memo concerning an urgent issue with noisy side shafts in gear boxes. | ||
| View original record | R.R. 475 (50 H) (X 737. 18.3.12) E.P 1493. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0021 | Departmental memo from E.P. regarding the unsatisfactory level of silence, warranting a concentrated effort. | ||
| View original record | L.425 (50 H) (X 737. 18.3.12) E.P 1493. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0022 | From F.H. Royce to Claude Johnson regarding noisy side shafts on gearboxes and potential solutions. | ||
| View original record | TE ON Wormald COPY. Beacon Hotel, Hindhead, Surrey. 14th June 1912. Mr Claude Johnson from F.H.R. With reference to Mr Platford's sheet EP34/T7612, re noisy side shafts on gear boxes. We must struggle… | ||
| scan0023 | Departmental memo concerning side shaft noises and the effect of the gearbox oil level. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person addressed. Mr Barrington T. C. B DATE.… | ||
| scan0024 | Departmental memo discussing the source of noise being the side shaft, not the reverse pinion, and its relation to oil level. | ||
| View original record | R.R. 475 (100 H) (X Sg6. 3.5.12) E.P. 1780. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0025 | From F.H.R. to Mr Johnson discussing chassis improvements, component quality, and comparisons to competitors. | ||
| View original record | FHR10/H151112 [STAMP: W M, RECEIVED, 19 XII 12] [SIGNATURE: J V Wormald] GRAND HOTEL DU CANADEL, Par le Lavandou, (VAR) 15th Nov. 1912 Mr Johnson from F.H.R. Mr Platford's memo EP30/T71112 concerning… | ||
| scan0026 | Directive stating that a chassis should not be fitted with a big flywheel. | ||
| View original record | -2- bolts. Not a chassis should go out fitted with a big flywheel. F.H.R. | ||
| scan0027 | Low output of 'Very good' quality gearbox side shafts and the estimated cost increase to achieve 100% quality. | ||
| View original record | R.R. 475 (100 H) (X 896. 3.5.12) E.P. 1780. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0028 | Cost breakdown for gearbox testing and considerations for increasing capacity. | ||
| View original record | R.R. 475 (100 H) (X 896. 3.5.12) E.P. 1780. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0029 | Departmental memo discussing the costs and methods for testing gearboxes to improve their quality. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). DEPARTMENTAL MEMO. This column is for Name of Person addressed. DATE. a very small proportion are… | ||
| scan0030 | Departmental memo concerning figures for gearbox side shafts related to the Test department. | ||
| View original record | R R. 475 (100 H) (X 896. 3.5.12) E.P. 1780. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. This column is for Name of Person… | ||
| scan0031 | Departmental memo requesting a cost and time analysis for improving the quality of side shafts. | ||
| View original record | H) (LL. 27. 27.7.12.) ROLLS-ROYCE LIMITED, 14-15, CONDUIT STREET, LONDON, W. TELEGRAMS: "ROLHEAD REG." LONDON. TELEPHONES: 1654. 1655, 1656 GERRARD. CJ17/B211112. DEPARTMENTAL MEMO. This column is for… | ||
| scan0032 | Departmental memo requesting an investigation into the cause and cure for a noisy side shaft on car 1718. | ||
| View original record | R.R. 475 (100 H) (PP 12. 11.10.12) E.P. 2713. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. This column is for Name of… | ||
| scan0033 | Minutes of the 127th meeting discussing noisy side shafts and unit testing for gearboxes. | ||
| View original record | RECEIVED 6 DEC 1912 Wormald Minutes of the 127th Meeting of the Technical Committee Time of meeting 2-30 p.m. December 5th 1912 Present:- Messrs Nadin (Chairman) Platford, Wormald Bailey and… | ||
| scan0034 | Meeting minutes discussing proposals for chassis testing rigs, side shaft improvements, and a gearbox oil pump. | ||
| View original record | 2. Mr Nadin pointed out that it would be a cheaper scheme than our present procedure. Mr Wormald pointed out that a complete chassis on the dynamometer would help us but little and would merely… | ||
| scan0035 | Meeting minutes discussing the improvement of gears and the use of a chassis rig for testing. | ||
| View original record | 3. obtain gears which could be classed "good" and the oiling system will improve these to the "very good" state. Mr Barrington informed the Committee that he had suggested to Mr Royce a few days… | ||
| scan0036 | Departmental memo regarding the investigation into noisy side shafts and a proposed solution using double helical gears. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). 476, (4 Lines). R.R. 475 (100 H) (PP 12. 11.10.12) E.P. 2713. DEPARTMENTAL MEMO. This column is… | ||
| scan0037 | Departmental memo discussing issues with noisy gears, axle vibrations, and planned experiments. | ||
| View original record | 475 (100 H) (PP 12. 11.10.12) E.P. 2713. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two Lines). 476, (4 Lines.) DEPARTMENTAL MEMO. This column is for… | ||
| scan0038 | Internal request for two sets of soft side shaft gears for the Experimental Department. | ||
| View original record | Re Side Shaft Gears. Mr Bailey 6-12-12 TBB10/L61212 Will you please instruct two sets of soft side shaft gears to be sent through to the Experimental Dept. as soon as possible. We are working on this… | ||
| scan0039 | Request for two sets of side shaft gears for testing and the use of an adjustable gear running rig. | ||
| View original record | Mr Wormald Re Side Shaft Gears. Z522 I have asked Mr Bailey to instruct two sets of side shaft gears to be sent through to the Experimental Dept. for tests we are making with a view to obtaining more… | ||
| scan0040 | Communicating Mr Johnson's urgent instruction regarding the 127th meeting minutes. | ||
| View original record | Mr Wormald W.M 10 DEC 1912 RECEIVED X522 Members of the 10-12-12 T.C. TBB3/L101212 Please note that Mr Johnson remarks on the minutes of the 127th Meeting as follows:- "Press forward with this work… | ||
| scan0041 | Departmental memo regarding noisy side shafts and the related production output quality. | ||
| View original record | R.R. 475 (100 H) (PP 12. 11.10.12) E.P. 2713. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (Two LINES). DEPARTMENTAL MEMO. This column is for Name of… | ||
| scan0042 | Urgent instruction to the Works to manufacture a pair of side shaft gears using a Reinecker planer. | ||
| View original record | 522 Re Side Shaft Gears. Order Office 20-12-12 TBB1/L201212 Will you please instruct the Works to put in hand a pair of side shaft gears to our standard drawings but the teeth to be cut on the… | ||
| scan0043 | To Mr. Barrington requesting an update on the production status of improved side-shafts for a chassis under test. | ||
| View original record | R.R. 476 (100 H) (LL 65. 4.II.12.) B. & H. ROLLS-ROYCE LIMITED, 14-15, CONDUIT STREET, LONDON, W. TELEGRAMS: "ROLHEAD REG." LONDON. TELEPHONES: 1654, 1655, 1656 GERRARD. DEPARTMENTAL MEMO. This column… | ||
| scan0044 | Experiments investigating the cause of a pure musical note from noisy side shaft gears. | ||
| View original record | TBB3/L5213 February 5th 1913 Mr Royce. Z 522 Re Noisy Side Shaft Gears. I have been making some tests and experiments with a view to obtaining quiet side shaft gears, and although these experiments… | ||
| scan0045 | Gear tooth precision and constant velocity as a means to eliminate noise. | ||
| View original record | -2- utmost precision in each tooth, or in other words, that the curves of each tooth, although exactly similar for every tooth, were not such as would give a constant pitch line velocity or a constant… | ||
| scan0046 | Failed experiment involving gears, flywheels, and bevels to achieve constant velocities. | ||
| View original record | -3- that they would give constant velocities, then the gears and flywheels would run together with perfect freedom and sweetness. If however, the curves of the teeth were slightly incorrect, then the… | ||
| scan0047 | Testing side shafts and gears, detailing issues with humming, knocking, and backlash. | ||
| View original record | -4- in mind ever since, and although I now see that there are difficulties which I had not anticipated, yet I still think the idea is right. In taking up the question of side shafts I again checked… | ||
| scan0048 | Tests on various gears to diagnose and eliminate rattling and humming noises. | ||
| View original record | -5- in the teeth, and if the shafts were run at certain critical speeds it would develop into a very violent periodic rattle. We then tried another set of standard Brown & Sharpe gears which had been… | ||
| scan0049 | Experiments with friction drives and various gear sets to reduce grinding effects and noise. | ||
| View original record | -6- connected one of them by means of a friction drive only. You will see that the result of this would be to reduce to an extremely small amount the actual grinding effect of the flywheels, but I… | ||
| scan0050 | Experiments with different types of gears, focusing on correcting for interference and reducing hum. | ||
| View original record | -7- called excellent. They were replaced in the rig and run a little longer and again tried. They were then excellent gears. We next tried a pair of planer cut standard pitch gears left soft which had… | ||
| scan0051 | Technical analysis discussing flywheel inertia and its effect on the velocity of rigidly attached gears. | ||
| View original record | -8- at the same time, whenever a tooth comes into contact with another tooth, the combined curves of which do not give a constant velocity, then the relative speed of the two flywheels is altered if… | ||
| scan0052 | Gear tooth design, grinding processes for side shaft gears, and the use of hunting teeth. | ||
| View original record | -9- consequent variation in velocity would be to fit a very light spring drive, friction damped, operating between the driven flywheel and its shaft. The friction damping must of course be less,… | ||
| scan0053 | Report page detailing an experiment on a gear rig, noting reduced vibration compared to standard gears. | ||
| View original record | -10- tooth in the other wheel in turn. I have gone into these points in some detail notwithstanding the fact that I fully appreciate that there are very great difficulties in connection with this rig,… | ||
| scan0054 | Need for a better lubricant, like castor oil, and improved gear design for gearboxes and back axles to reduce wear. | ||
| View original record | R.R. 235A (150 H.) (PP. 958. 30.4.13) E.P. 4141. COPY. Mr. Bailey from F.H.R. Copies sent to: Mr. Johnson. Mr. Wormald. Re Tests of Various lubricants. (on Gearboxes etc.) I feel sure that we ought to… | ||
| scan0055 | Introduction of thrust bearings and a single helical gear for a 4-speed gearbox at Le Canadel to reduce sideshaft noise. | ||
| View original record | C O P Y. C.J. from F.H.R. Copies sent to: Mr Wormald. Mr Nadin. Mr Bailey. R1/B4613. Re the gear box we are arranging at Le Canadel. With regard to the above we have introduced thrust bearings with a… | ||
| scan0056 | Noisy third gear on chassis 16CA, attributing the fault to the curvature of the gear teeth. | ||
| View original record | C O P Y. COPY. To J. from R. Copy to By. Copy to Wor. R2/P 7. 2. 14. X522 With reference to the noisy period on the third gear of chassis 16CA, this same noise does not appear to exist on 2301, which… | ||
| scan0057 | Noisy lay shafts in gear boxes, particularly when starting from cold, with handwritten notes from Mr. Royce. | ||
| View original record | ( C O P Y ) Re.Noisy Lay Shaft - Gear Boxes. J. EP15/W18214. [Handwritten in pencil]: Mr. Royce's remarks in red. One of our chief troubles with the above is that although the lack of noise may be… | ||
| scan0058 | Requesting instructions on how to act regarding a recurring complaint about deliveries. | ||
| View original record | ( COPY ) It is not exactly a new complaint but one which we have, more or less, always had, but I am of the opinion that lately such has been more predominant. Will you please let me have your… | ||
| scan0059 | Typed internal memo regarding experiments and referencing Mr. Royce's notes. | ||
| View original record | ( C O P Y ) To Pd from J. J18/T 26.2.14. Evidently we cannot stop output but you should press Mr.Wormald to have experiments made with a view to finding the remedy as soon as possible. SeeMr.Royce's… | ||
| scan0060 | Noisy gearbox layshafts, the use of close-fitting gears, and the effects of thick versus thin oil. | ||
| View original record | Re. Noisy Lay Shafts - Gear Boxes. J. EP13/W2314. With reference to the attached, I want to make it quite clear that I am not advocating close fitting gears. A long time ago I did do this, as I found… | ||
| scan0061 | Noisy side shafts and the use of oil in the gearbox. | ||
| View original record | ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). F.R. Names and Indicating letter. Initial of person addressed. A Mr. ADAMS By Mr. BAILEY Bn Mr.… | ||
| scan0062 | Effect of oil thickness on noisy lay shafts in gear boxes. | ||
| View original record | R.R. 657. (100H) (VV 586. 23.2.14) E.P. 6076. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Names and Indicating letter. Initial of person… | ||
| scan0063 | Experiments for quieter side shafts and oil thickness for standardisation. | ||
| View original record | R.R. 657. (100H) (VV 586. 23.2.14) E.P. 6076. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines) Names and Indicating letter. Initial of person… | ||
| scan0064 | Discussion about a noisy gearbox side shaft on car 2704, its potential cause, and the remedy applied. | ||
| View original record | R.R. 235 A (150 H) (V.V. 585. 23.2.14) G. 0363. C O P Y. xP522 To Wor. from R. R6/P16. 3. 14. With reference to 2704, we find the side shaft in this gear box very tight, which naturally makes it very… | ||
| scan0065 | Results of using thinner oil and slacker gears to reduce gearbox noise. | ||
| View original record | R R. #35 A (150 H) (V.W. 585. 23.2.14) G. 0363. COPY. X522 J. WOR5/T1414. 1/4/14. R. With reference to Mr. Royce's note - R6/P16.3.14. - re the side shaft on 2704 being very silent by refilling the… | ||
| scan0066 | The optimal oil viscosity for gearboxes to reduce noise and save power. | ||
| View original record | R.R. 285A. (150 H) (V.V. 782 27.3.14) G. 0442. COPY. COPY. To Wor, for Hy.1514 Copy to Pd. Copy to J. I shall be glad if you will come to some con-clusion as to what is the best viscosity of oil to… | ||
| scan0067 | Difficulty of producing quiet side shaft gears and proposing a change to single or double helical gears. | ||
| View original record | From Exp. Dept. Copies for:- J. R. By. Na. Wor/Hyll/L19614. June 19th. 1914. X522 RE SIDE SHAFT GEARS. It has always been a matter of difficulty to obtain quiet side shaft gears and they cannot be… | ||
| scan0068 | The use of single helical gears and the testing of ball bearings to handle end thrust. | ||
| View original record | 225a (150 H) (W.W. 315. 21-5-14) G. 0570. Wor/Hyll/L19614. Sheet 2. present type box and should be no heavier than the ordinary spur gears. We have already proved that the single helical 12's pitch… | ||
| scan0069 | Extract of discussion points with Mr. Royce regarding pistons, shock absorbers, and the speedometer pulley for a chassis. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.3426 EH1/LG17.12.18. Extract from EH1/LG17.12.18. There are several points in the discussion we had with Mr. Royce at West Wittering which I take… | ||
| scan0070 | Report index detailing alterations and experimental work for the 40/50 HP present type chassis. | ||
| View original record | To BY } EP } EH } c. to CJ. c.to Wor. c.to EP. 18th December 1918. R7/G181218. Compiled by Mr. Elliott. RE ALTERATIONS TO 40/50 H.P. PRESENT TYPE CHASSIS X.2565 OBJECT:- The object of this report is… | ||
| scan0071 | Report discussing the clutch, gearbox, and back axle, covering oil retention, gear mechanisms, and braking issues. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To EY. DA & EH. from R. -8- R7/G181218.Contd. (11) CLUTCH. X.3439 The cotton fabric oil lubricated clutch at present standard on the car is… | ||
| scan0072 | The specification of alterations to be made to the 40/50 HP chassis. | ||
| View original record | X.3426 To Wor. from E. c. to EY. c. to DA. c. to EH. c. to EP. RE 40/50 H.P. CHASSIS Please find attached a specification of the alterations to be made to the 40/50 H.P. chassis (R7/CB1218) these… | ||
| scan0073 | Changes to gearbox and axle manufacturing methods, conditional on experimental proof of improvement. | ||
| View original record | To. FY. From Wor. " H.S. " " " EH. " " c.c. to Mr. Poole. 22nd. January 1919. Wor13/T22119. X 3426 X3457 X3426 With reference to the gearbox and axle on the chassis, I do not think there ought to be… | ||
| scan0074 | Data sheet listing chassis gear ratios, miles per hour at 1000 RPM, and corresponding engine revolutions for various speeds. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X. 3426 29.1.19. CHASSIS GEAR RATIOS. Miles per hour at 1000 R.P.M. Reverse. 8.76 1st. 8.76 2nd. 13.43 3rd. 20.08 4th. 29.85 or 17/16 or 9/8 of… | ||
| scan0075 | Arguing against reverting to a 3-speed gearbox and strongly advocating for the 4-speed gearbox. | ||
| View original record | X.3426 X.3720 HY3/VM10.2.19. 10.2.19. EH. from Hy. Your EH4/LG7219. Re Mr. Olley's proposal to fit 3-speed gear boxes to chassis. I was very surprised to hear of the suggestion to revert to the… | ||
| scan0076 | Arguing for the continued use of the 4-speed gearbox over the proposed 3-speed, citing customer satisfaction and performance. | ||
| View original record | X3426 R. from FP. c. to E. c. to EH. C. to Cy. EP17/F11219. 11th. February, 1919. I was very surprised to hear from Mr.Olley that on future cars we should use only the 3-speed gearbox. Our experience… | ||
| scan0077 | Page 2 of a discussion on the customer desire for a 4-speed gearbox. | ||
| View original record | -2- the only disadvantage being that it was considered unnecessary. For all other countries, however, I feel sure that the 4-speed gearbox is desired, as proved by our own and customers' experience.… | ||
| scan0078 | Preference for a 4-speed gearbox over a 3-speed, collecting views for Mr. Royce. | ||
| View original record | X3426 To R. from EH. c. to CJ. c. to E. c. to Da. c. to OY. _____ EH2/LG12.2.19. 12th February 1919. X.3501. X.3426 X 3420 Mr. Olley has advocated the use of a 3-speed gear box on the cars. We notice… | ||
| scan0079 | Arguing in favour of a 4-speed gearbox over a 3-speed gearbox. | ||
| View original record | To R. from EH. c. to CJ. c. to E. c. to Da. c. to OY. EH3/LG12.2.19. 12th February 1919. X.3426. (Handwritten: X.3420 X.3501) POINTS IN FAVOUR OF 4-SPEED INSTEAD OF 3-SPEED GEAR BOX. At the works I… | ||
| scan0080 | The merits of a 4-speed gearbox versus a 3-speed, considering performance, cost, weight, and petrol consumption. | ||
| View original record | Contd. -2- EH3/LG12.2.19. hills, it would be very unsatisfactory to have to use that gear mile after mile on reasonable gradients. I do not feel happy with the idea of overcoming the difficulty by… | ||
| scan0081 | Continuation of a memo discussing the need to improve consumption due to poor quality. | ||
| View original record | Contd. --3-- EH3/LG12.2.19. the poor quality, we ought to do everything to improve the consumption. EH. | ||
| scan0082 | Customer preference for 4-speed gearboxes over 3-speed models. | ||
| View original record | To EH. from Mr. Bellringer. X 3426 13.2.19. RE 3-SPEED AND 4-SPEED GEAR BOXES. X 3420 Concerning the above I fully endorse Mr. Platford's remarks regarding our customer's opinions on the matter. I… | ||
| scan0083 | Merits of a 3-speed gearbox versus a 4-speed gearbox for different car models. | ||
| View original record | X3426 To R. from CJ. Copy to EP. " " EH. " " Hy. My dear R., RE THREE OR FOUR SPEED GEARS. The memoranda of Platford, Hives and Haldenby were, I am sure, the honest opinion of men who are in continual… | ||
| scan0084 | Assembly completion list for Chassis 1 E.X., detailing the 'G' section components used. | ||
| View original record | X.3426 Extract from RHC1/LG30619 CHASSIS 1 E.X. The above chassis is now complete and it has been assembled as follows:- "G" SECTION. S S.No. REMARKS. X. 3439. Flywheel & Clutch. G.4465 X. 3427.… | ||
| scan0085 | Modifying a casting for bronze bearings on the 40/50 chassis gearbox to prevent it fouling the dynamo drive belt. | ||
| View original record | To By. from Bn. c. to EH. Copy Bn7/W28.7.19. X.3426 X.3014 RE BRONZE BEARINGS FOR CHANGE SPEED RODS ON FRONT END OF 40/50 CHASSIS GEAR BOX. The top off side corner of this casting fouls the belt of… | ||
| scan0086 | Test report on the performance of the gearbox, axle, and brakes for Chassis 1.E.X. | ||
| View original record | Contd. X3426 Chassis 1.E.X. Gear Box. En5/W28.7.19. contd. Gear Box And Axle. The Gears are very good, the side shaft being quite quiet, and all of the gears as good as any I have ever tried. These… | ||
| scan0087 | List of new parts and modifications, indicating whether the standardisation sheet was signed for each item. | ||
| View original record | Contd. -2- EH1/LG27.8.19. X.3426 NEW PART. WHETHER STANDARDISATION SHEET SIGNED. 12. New Change Gear Lever Mech: No 13. Oil Level Tap in Gear Box removed. No 14. New Undershield - to suit Starter… | ||
| scan0088 | Advantages and disadvantages of a three-speed gearbox with central control versus a four-speed gearbox. | ||
| View original record | X3426 chassis R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To C.L. from Bn. Copy to FWB Hs. J.C. C.H. Bn13/W51119. RE THREE SPEED GEAR BOX WITH CENTRAL CONTROL. With reference to CJ18/E31119,… | ||
| scan0089 | Complaints about the engine starter clutch mechanism and suggesting improvements. | ||
| View original record | X3426 EFC. from EP. c. to EH. c. to Bn. EP14/F28.11.19. ---------- X.3426. X.3660. X.2641. X.3034. X.3428. ---------- X.543. - RE ENGINE STARTER.S. With further reference to my complaints in the past… | ||
| scan0090 | Technical memorandum regarding issues and correct procedures for the erection of engine gears. | ||
| View original record | X3426 chassis BY. from EP. c. to Mr. Swift. " " Scott. " " EH EP4/F2.12.19. RE. ERECTING OF ENGINE GEARS. We have recently had trouble with the above, and I am anxious to bring forward the following… | ||
| scan0091 | Gear fitting, wear, and lubrication, proposing improvements. | ||
| View original record | -3- Could not instructions be issued that no overlapping of the gears should be allowed, and should it be found that after fitting up there is a slight amount of overlapping, the gears should be… | ||
| scan0092 | On starter motor issues in cold weather, specifically the clutch failing to engage, requesting an investigation. | ||
| View original record | X.3426 To Hs. from Bn. To Ck. Copy to EK.EP. Bn5/W3.12.19. 3Y6/. X.682. RE ENGINE STARTER.S X.3428. X.3082. X.3426. With reference to EP14/F28.11.19, there appears to be quite definite trouble with… | ||
| scan0093 | Suggesting the solenoid which engages the starter motor clutch could also be used to engage the main switch. | ||
| View original record | X.3426 4-12-19 Bn. c. to EH. c. to Ck. EP/T5/F4.12.19. X.3034. X.3428. RE STARTER MOTOR. X.3426. Further to my memo. EP14/F28.11.19, re. the above poinying out the effect of the clutch engaging after… | ||
| scan0094 | Extract detailing issues with the chassis electrical starting mechanism due to cold weather. | ||
| View original record | R.R. 235A (100 T) (S. G. 643. 19-2-20) G 2618 X.3426 1 Extract from EFC4/T4.12.19. X.3634. X.3428. X.3660. CHASSIS ELECTRICAL STARTING MECHANISM. X.3426. We have received complaints from the Test… | ||
| scan0095 | Investigation into self-starter failures with suggestions for mechanical and electrical improvements. | ||
| View original record | R.R. 235 A (100 T) (S.F 846 6-8-19) G. 2460 X 3426 EFC. c. to Bn. c. to EH. EP3/F9.12.19. X.3082. RE FAILURE OF SELF-STARTER. X.3426. X.3428. X.3748. We are still having trouble with cars on test,… | ||
| scan0096 | The investigation into a faulty actuating box for an engine starter, noting the effect of oil. | ||
| View original record | R.R. 235A (100 T) (S. G. 643. 19-2-20) G 2618 X.3426 EH. from EP. c. to Ck. c. to Bn. c. to By. EP8/F10. D.20. X.3428. RE FAULTY ACTUATING BOX FOR ENGINE STARTER. X.3426.… | ||
| scan0097 | Stronger actuator box for parallel arrangement and related starter clutch modifications. | ||
| View original record | X.3426 To Ck. from Hs. c. to Bn. Da. EP. Wor. Hs2/AT16.1.20. X.3748. - ACTUATOR BOX OF INCREASED POWER FOR PARALLEL ARRANGEMENT. X.3743 X.3426. This box has been fitted to 2.EX Car which is running… | ||
| scan0098 | Table of gear ratios and speeds for a 40/50 HP chassis with a four-speed gearbox for various wheel sizes. | ||
| View original record | X 3426 R.R. 235 A (100 T) (S.F. 846 6-8-19) G. 2460. RATIOS & SPEEDS OF 40/50 HP CHASSIS WITH FOUR SPEED GEAR BOX. Axle Gear. Fourth Direct. Third. Second. First. Reverse. 16 x 52. 3.25 4.83 7.22… | ||
| scan0099 | Data sheet showing gear ratios and speeds for a 40/50 HP chassis with a four-speed gearbox. | ||
| View original record | X 3426 RATIOS & SPEEDS OF 40/50 HP. CHASSIS WITH FOUR SPEED GEAR BOX. Axle. Gear. Fourth Direct. Third. Second. First. Reverse. 16 x 52 3.25 4.83 7.22 11.07 11.07 17 x 52 3.06 4.54 6.79 10.42 10.42 18… | ||
| scan0100 | Table of gear ratios and speeds for a 40/50 HP chassis with a four-speed gearbox. | ||
| View original record | X. 3426 RATIOS & SPEEDS OF 40/50 HP. CHASSIS WITH FOUR SPEED GEAR BOX. Axle. Gear. Fourth Direct. Third. Second. First. Reverse. 16 x 52 3.25 4.83 7.22 11.07 11.07 17 x 52 3.06 4.54 6.79 10.42 10.42… | ||
| scan0101 | Recommendation to adopt a stronger actuator box and implement necessary modifications for the starter clutch. | ||
| View original record | X 3426 To Ck. from Hs. c. to Bn. Da. EP. Wor. Hs2/AT. 16.1.20 X.3748. - ACTUATOR BOX OF INCREASED POWER FOR PARALLEL ARRANGEMENT. X.3743. X.3034. 3426 This box has been fitted to 2.EX car which is… | ||
| scan0102 | Recurring fault with the starter clutch mechanism and requesting additional pre-assembly inspections. | ||
| View original record | Sft. c. to LY. c. to Ck. X.3426 EP7/F19.1.20. X.3426 RE. FAULTY STARTER CLUTCH MECHANISM. With further reference to my complaints of the above, in which I asked that instructions should be given for… | ||
| scan0103 | The failure of the actuating box for the engine starter and investigating a jaw clutch issue. | ||
| View original record | To Hs. from Bn. Copy to EP. " " Ck. " " Da. X.3428. X.3426 Bn14/W.19/1/20 Re Failure of Actuating Box for Engine Starter. X.3426. With reference to EPS/F10.1.20 in which EP. points out that the pull… | ||
| scan0104 | Cover memo for a standardisation sheet concerning a jaw clutch engaging starter motor and bush. | ||
| View original record | X 3426 To Wor. from Hs. Wy. Rn. Da. KP. FM. Hs/AT20.1.20. X. 1426. - JAW CLUTCH ENGAGING STARTER MOTOR AND BUSH. Herewith please receive standardisation sheet for the above. Will you kindly remark… | ||
| scan0105 | Covering memo for a standardisation sheet regarding a jaw clutch engaging starter motor and bush. | ||
| View original record | X.3426 To R. from Hs. CJ. Hs/AT23.1.20. X. 3426.-JAW CLUTCH ENGAGING STARTER MOTOR AND BUSH. Herewith please receive standardisation sheet for the above. Will you kindly remark upon, sign and return… | ||
| scan0106 | Directive on the standardization of a jaw clutch for the starter motor and bush, pending a 10,000-mile test run. | ||
| View original record | X.3426 To Wor. from Hs. By. Bn. Ds. RP. FN. Hs/AT.27.1.20. X.3424.- JAW CLUTCH ENGAGING STARTER MOTOR & BUSH. Will you kindly note that the standardisation sheet for the above has been returned from… | ||
| scan0107 | Fault with the jaw clutch engaging starter motor and bush, preventing delivery of faulty cars. | ||
| View original record | Hs. c. to BY. c. to BN. c. to WOR. X 3426 EP8/F27.1.20. X.3426. JAW CLUTCH ENGAGING STARTER MOTOR & BUSH. With reference to your Hs/AT27.1.20, there appears to be some misunderstanding on this matter,… | ||
| scan0108 | Manufacture of a modified jaw clutch for a starter motor, pending a 10,000-mile trial. | ||
| View original record | X 3426 To Her. from Bn. Ck. By. To He. from Bn. Da. Bnl/W30.1.20. RE MODIFICATION TO JAW CLUTCH FOR STARTER. - X. 3426. With reference to Mr. Johnson's remark on the Standardisation Sheet concerning… | ||
| scan0109 | Modification to the Jaw Clutch for the Starter on a 40/50 Chassis. | ||
| View original record | R R 235 b (200 T) (S.F. 674 22-5-19) G 2376 X3426 DA/Stt3/EF31. 1. 20. To BY from DA/Stt [strikethrough]O.C. to Dn.[/strikethrough] 40/50 Chassis - re Modification to Jaw Clutch for Starter. With… | ||
| scan0110 | Modification to a jaw clutch, specifically the design of the bush face to avoid sticking and bruising. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X 3426 To Ba. from Bn. c. to Ha. c. to Ck. c. to By. Bn10/W4.2. 20. X.3426 RE MODIFICATION TO JAW CLUTCH. Confirming my conversation with you… | ||
| scan0111 | Extract detailing a list of items to be fitted to a chassis for American trials. | ||
| View original record | X.3426 X.3419. Trials car for America. Extract from Bn3/W4.2.20. With reference to EP5/F24.1.20, I think the following items should be fitted to this chassis:- The numbers are the same as quoted in… | ||
| scan0112 | The completed standardisation sheets for a jaw clutch engaging starter motor and bush. | ||
| View original record | X.3426 To R. from Hs. CJ. Wor. Bn. By. Da. EP. PN. _______ Hs/AT16.2.20. X.3426. JAW CLUTCH ENGAGING STARTER MOTOR. AND BUSH. Herewith please receive completed standardisation sheets for the above.… | ||
| scan0113 | Standardisation document for the jaw clutch engaging starter motor and bush. | ||
| View original record | STANDARDISATION of CHASSIS PARTS. Description of Parts. Jaw clutch engaging starter motor and bush. Origin. Failure of actuating box to engage jaw clutch. Experimental Test Report. It has been proved… | ||
| scan0114 | Hand-drawn cross-section of a component with annotations. | ||
| View original record | 8 .375" holes This surface reduced | ||
| scan0115 | Issues with a faulty starter mechanism and proposed modifications. | ||
| View original record | C O P Y. By. from EP. c. to Hs. c. to Ck. c. to Bn. c. to Da. EP1/F21.1.20. X.3748. - RE FAULTY STARTER MECHANISM. With reference to Ck10/T16.1.20., also memo. from Hs. ref. Hs2/LG16.1.20, I have… | ||
| scan0116 | Instructions for modifying bushes, jaw clutches, starter clutches, and halting gear box assembly pending corrections. | ||
| View original record | -2- increasing the bore of these bushes .012" in order to allow for the above mentioned inaccurate machining, and avoid further recurrences of similar failures. I also recommend that we should be in a… | ||
| scan0117 | Approval and standardisation of a proposed modification to the jaw clutch on the self-starter. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X.3426 To Ck. from Bn. Bn4/W16. 2. 2. 20. X.3426 Re Standardisation of Proposed Modification to Jaw Clutch on Self Starter. c. to Hs. (crossed out)… | ||
| scan0118 | Proposed modification to the Jaw Clutch on the Self Starter. | ||
| View original record | R.R. 235 A (100 T) (S.F. 846, 6-8-19) G. 2460. JS for CJ France To CJ. from Bn. Bn13/W4.2.20. RE PROPOSED MODIFICATION TO JAW CLUTCH ON SELF STARTER. Some few days ago we sent through to you the… | ||
| scan0119 | Failure of an engine starter drive and the faulty adjustment of the slipper mechanism. | ||
| View original record | HS. from EP. c. to Bn. c. to BY. c. to Da. c. to Cft. X 3426 C-K. EP1/F25.2.20. X.3426-RE. FAILURE OF ENGINE STARTER DRIVE, AND FAULTY ADJUSTMENT OF SLIPPER. With reference to the failure of the… | ||
| scan0120 | Complaint regarding a hand starter failure caused by fibre swelling, with a recommendation to use bronze instead. | ||
| View original record | Hs. from EP. c. to Bn. c. to BY. c. to Da. GK X.3426. EP2/F28.2.20. X3426. RE. USE OF FIBRE FOR FRICTION & PACKING. Further to my complaint re. slipper drive for the hand starter failing, I feel that… | ||
| scan0121 | Failure of an engine starter drive and the substitution of bronze plates with grey fibre. | ||
| View original record | X.3426 To DN from DA. CR. Copy to HH " " HF " " SI. " " MK. DA15/CH1-3-20. X.3426 RE. FAILURE OF ENGINE STARTER DRIVE. --------------------------------- With reference to EP1/F25-2-20 and EP2/F28-2-20… | ||
| scan0122 | The failure of the engine starter drive and concerns over its reliability. | ||
| View original record | XS426 F.R. c. to Hs. c. to Bn. [crossed out] c. to BY. [crossed out] EP26/F5.3.20. RE. FAILURE OF ENGINE STARTER DRIVE. - - - - - - - - - - With reference to your Da15/CB1-3-20 sent to Bn, regarding… | ||
| scan0123 | Ratios and speeds of 40/50 HP. chassis with a four-speed gearbox for various axle gears and wheel sizes. | ||
| View original record | CK X.3426. X.3426. 22.3.20 X.469 RATIOS & SPEEDS OF 40/50 HP. CHASSIS WITH FOUR SPEED GEAR BOX. Axle. Gear. Fourth Direct. Third. Second. First. Reverse. 16 x 52 3.25 4.83 7.22 11.07 11.07 17 x 52… | ||
| scan0124 | Confirming the completion status of three experiments: a jaw clutch modification, cable encasing, and a main switch base plate. | ||
| View original record | X.3426. To EFC. from RHC. RHC25.3.20. Will you kindly note the following experiments are now finished:- X.3426. Modification to Jaw Clutch & Bush. This has been fitted to 2.EX. X.3737. Encasing of… | ||
| scan0125 | Extract discussing urgent design features and production delays. | ||
| View original record | X 3426 Extract from EP16/F26.3.20. ----------------------------- X.2565. RE ALTERATION IN DESIGN AND DELAY IN OUT-PUT. >>>|----------------------------------------------------- I think the following,… | ||
| scan0126 | Design alterations and delays in output due to various vehicle faults. | ||
| View original record | Bn. from Ep. c. to Wr. c. to Hs. c. to Da. c. to BY. EFC X 3426 RE ALTERATION IN DESIGN AND DELAY IN OUTPUT+ With reference to my discussion with you on this matter today, there are a number of points… | ||
| scan0127 | Issues with engine starter slipper drives and the need for instructions for modification. | ||
| View original record | X8426 Hs. from EP. c to EN EP10/F15.4.20. F.R. RE. ENGINE STARTER SLIPPER DRIVES. ---------------------------- I trust you are pushing on with the experimental work on the above, and will be able to… | ||
| scan0128 | Modifications by the Experimental Department to the self-starter gear and springs on the gearbox. | ||
| View original record | x.3426 COPY. BY15/H20.4.20. Sft. C. Hs. c. Da. EFC X3350 X.3426 CHASSIS - SELF STARTER GEAR ON GEAR BOX. We find that the Expl; Dept: are modifying not only the springs, but also the fitting which… | ||
| scan0129 | Unsatisfactory engine starter slipper drives, arranging for temporary fixes and requesting instructions for a permanent solution. | ||
| View original record | R.R. 235 A (100 T) (S.F. 846 6-8-19) G 2460 X.3426 Hs. from EP. c. to BN. EFC EP10/F15.4.20. X.3350 RE ENGINE STARTER SLIPPER DRIVES+ X.3426 I trust you are pushing on with the experimental work on… | ||
| scan0130 | Request for a drawing showing modifications to the friction drive for the self-starter gear to prevent slipping. | ||
| View original record | X.3426 BY/C7/H20.4.20. BN. HS. DA. EFC X.3350 X.3426 CHASSIS SELF STARTER GEAR ON CHANGE GEAR BOX. We should be glad if you would let us have drawing showing the modification to the Friction Drive for… | ||
| scan0131 | EFC to Hs requesting feedback on specific electrical parts for chassis 7.CA. | ||
| View original record | X.3426 To Hs. from EFC. EFC7/T27.4.20. X.3761. - ELECTRICAL PARTS ON 7.CA. Will you kindly let me know your recent experience with the following electrical parts on chassis 7-CA. X.2676. (1). Lucas… | ||
| scan0132 | Proposal for modifying faulty starter mechanisms on cars that have already been delivered. | ||
| View original record | c. to BW. c. to Hs. X.3426 EP/T4/F28.4.20. RE. FAULTY STARTER MECHANISM. X.3748. Further to our EP1/F21.1.20, in view of the fact that we have had two starters actually fail in service after the cars… | ||
| scan0133 | Typed list of clients, trials, and locations with corresponding reference codes. | ||
| View original record | 3-X. Spain (Salamanca) 4-X. America. 2-LW. King of Roumania. 27-LW. Haworth, Manchester. 11-PP. Mrs. Walker. 29-LW. King of Roumania. 6-X. Lord Derby. 1-X. America. 9-LW. Prince of Wales. 8-PP.… | ||
| scan0134 | Fault with the starter gear on the gearbox due to a weak friction plate, with a proposed solution. | ||
| View original record | SFT. from BY. c. EP. c. Hs. c. Br. c. to EFe X3426 COPY. BY6/P8.5.20. X3426 CHASSIS - STARTER GEAR ON GEARBOX - SEC.6060 X3350 RE FAULT DUE TO THE FRICTION PLATE NOT BEING SUFFICIENTLY STRONG.… | ||
| scan0135 | Instruction regarding a retrospective modification to make the engine starter slipper drive solid. | ||
| View original record | x3426 BY. c.Hs. c.BN. c.Sft. EP6/F7.5.20. A.T. AT RE. ENGINE STARTER SLIPPER DRIVE. In view of the anticipated retrospective modification to the above, and the fact that we are now arranging for cars… | ||
| scan0136 | Modification and rectification of faulty chassis self-starter clutches on previously delivered cars. | ||
| View original record | X.3426 A.T. BY. c. to Sft. c. to Hs. c. to Bn. c. to WOR. EP17/F14.5.20. RE. CHASSIS SELF STARTER CLUTCHES. With reference to my memo. EP11/F10.5.20 on this matter to BY and Sft, we have now received… | ||
| scan0137 | Requesting a standardisation sheet for a 3-speed gearbox to allow for a document attachment. | ||
| View original record | 3-speed Gear Box. Hsl/LG9.9.20. X 3426 Hs. D52/DL21.9.20. I am instructed by CJ to attach this document to the standardisation sheet as soon as it is issued. Will you kindly, therefore, when this… | ||
| scan0138 | Comparing gear ratios of a failed 3-speed car with successful 4-speed cars to argue against a new 3-speed gearbox design. | ||
| View original record | To R. from Hs. c. to CJ. c. to BM. c. to Da. c. to L. c. to BY. c. to EP. ORIGINAL X3426 RECEIVED SEP 10 1920 9.FC Hsl/LG9.9.20. X.3720 X.3426 RE - 3-SPEED GEARBOX. We suggest, before we get deeply… | ||
| scan0139 | Comparison of gear ratios and a discussion on hill-climbing performance for various cars. | ||
| View original record | Contd. -2- Mr. Radley's car of 1912. Even when we use the lower gear axle we are still a long way off being equal to the Austrain Trials Cars. Below we give the gear ratios when taking into account… | ||
| scan0140 | Concerns about a new 3-speed gearbox and the increasing weight of cars. | ||
| View original record | Contd. -3- Hel/LGS.9.9.20. ---------- When Mr. Klem, Sales Manager of Rolls-Royce Inc. was at the works, we showed to him parts of the new 3-speed gearbox. He was positively horrified to think that we… | ||
| scan0141 | The necessity of a three or four-speed gearbox for heavy luxury cars. | ||
| View original record | X 3426 To CJ. from R. c. to EAC. c. to LHS. c. to Wor. c. to Hs. c. to EP. c. to PN. c. to Da. c. to By. c. to R.R. of America Inc. (For the attention of Oy). R18/G12.10.20. X.3426 X.3720 RE THREE OR… | ||
| scan0142 | Back axle gear ratios in relation to car weight for equal hill climbing and acceleration. | ||
| View original record | Contd. -2- R18/G12.10.20. Now at present we are giving a larger ratio of back axle gear, and you will remember that I particularly recommend that the still lower gear should be made standard for the… | ||
| scan0143 | Expected improvements in new car designs, including gear ratios, power, and the justification for a three-speed gearbox. | ||
| View original record | Contd. -3- R18/G12.10.20. (2) In our new work we are expecting to get the back axle ratio proportionate to the weight approximately, so as to give for all cars equal acceleration, i.e. ft. per second… | ||
| scan0144 | Arguing for a three-speed gearbox over a four-speed one, citing complexity and overall perfection. | ||
| View original record | Contd. -4- R18/G12.10.20. inferior. In a few words "we cannot have a four speed box on the propeller shaft"; because of the extra difficulty and complication of the change speed lever mechanism. For a… | ||
| scan0145 | Merits of a semi-epicyclic four-speed gearbox versus a three-speed design. | ||
| View original record | Contd. -5- R18/C21 12.10.20. In my simple semi-epicyclic arrangement I get four speeds because I cannot help it. In this case the dis-advantages are nil, and the third speed will naturally be, and can… | ||
| scan0146 | Merits of a three-speed gearbox with a lower top gear versus a four-speed for better acceleration in traffic. | ||
| View original record | X.3426 To LHS. from R. Copy to CJ. " " EAC. " " Hs. " " PN. " " EP. " " Da. " " By. " " R.R. of America Inc. (For the attention of OY). X.2565 RE NEW MODELS. X.3426 X 3720 Thank you for your kind note… | ||
| scan0147 | Engine speed, gearing for different car types, and personal driving preferences. | ||
| View original record | Contd. -2- R9/G22.10.20. In addition to all these points it must be remembered that all engines are of an increasing flexibility, and our own are remarkable for their high speed for which they are run… | ||
| scan0148 | Advantages of a new 3-speed gearbox and reconsidering steering and gear change configurations for different markets. | ||
| View original record | H.R. 288A (100 T) (S.H 159. 11-8-20) G. 2500 V3426 OY. from Hs. At a Conference we had before I left Springfield, it was agreed there by all the Chiefs that R.R. Springfield could not sell cars with… | ||
| scan0149 | Single-page document posing a question about potential use in the U.S.A. | ||
| View original record | -2- any use for U.S.A., if not, why not? HS. | ||
| scan0150 | Drive train chunking, slack, and other issues in Derby and Springfield cars. | ||
| View original record | Hs. BY Wor. X3426 EP/Thnll/F21.6.21. X.3719 X.3614 X.3426 RE CHUNKING IN DRIVE. REPORT FROM EP. Mr. Platford has instructed me to convey the following extract of a letter to you, and to ask you to let… | ||
| scan0151 | Production issue with bearings being too tight a fit in their housing. | ||
| View original record | Contd. -2- There is a panic here due to bearings being too tight a fit in the housing, and they are now making these easier and curing the trouble. Special attention should be paid to this on cars now… | ||
| scan0152 | The completion of the Goshawk 11 engine unit and the plan to discuss it with Mr. Royce at West Wittering. | ||
| View original record | To R. from Hs. c. to Hs. c. to Wor. cy to E. c. to Da. X3426 Hs3/LC4. 7. 21. X.4219 X.3706 GOSHAWK 11 CHASSIS. X.3426 X.4305 We hope to have the Goshawk 11 engine unit with clutch and gear box… | ||
| scan0153 | Tests for a starter motor on a 40/50 car with a 3-speed gearbox to achieve a more silent engagement. | ||
| View original record | x3426 To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. Hs3/LG10. 8.21. X.3740 - STARTER MOTOR FOR 40/50 CAR WITH 3-SPEED X.3757 GEAR BOX X.3426 Acting on Mr. Royce's instructions, we have tried… | ||
| scan0154 | Tests on a starter motor for a car with a 3-speed gear box. | ||
| View original record | TESTS ON STARTER MOTOR FOR CAR WITH 3-SPEED GEAR BOX. Conditions - Engine cold - car having been left all night. Temperature of motor carcase 13°C. Voltage of battery 12.4. Resistance in switch .201… | ||
| scan0155 | Comparative test results for a motor, with/without an epicyclic gear and with varying numbers of brushes. | ||
| View original record | R.R. 235A (100 T) (S.H 159. 11-8-20) G. 2500 -2- Comparative Test taken with and without epicyclic gear fitted to motor - no quantity of oil in gear. Resistance in switch .201 Ohms. | Test No. |… | ||
| scan0156 | Gearbox noises, suggesting the cause is either incorrectly made gear teeth or a decline in the quality of ball bearings. | ||
| View original record | X.3426. 31.8.21. Extract from R2/G31.8.21. X.2628. X.2565. X.3426 Regarding gear box noises, no alteration has been made for a very long time in our gear boxes, and therefore it is a question of the… | ||
| scan0157 | Testing and performance of a gearbox fitted with new ground gears. | ||
| View original record | RECEIVED S.W. from EP. c. to Hs. X3426 AON 4 NOV 1921 Re. GEAR BOX FITTED WITH GROUND GEARS. --------------------- We have today tested a gear box supplied to us, to which has been fitted specially… | ||
| scan0158 | Query regarding a standardisation sheet for the use of ground gears in 40/50 gearboxes. | ||
| View original record | X.3426 Hs. from BY. RECEIVED BY12-P16.1.22. 40/50 GEARBOX. RE USE OF GROUND GEARS. I understood from EP, that you proposed to send through a standardisation sheet recommending the use of ground gears.… | ||
| scan0159 | Investigation into two systems of gear grinding, the Maag system and the Gear Grinding Co. system. | ||
| View original record | X3426 Rolls Royce of America Inc., Springfield. Mass. (OY) copy. Hs. BY15-PEO.2.22. GROUND GEARS FOR GEARBOX. X4365 X3426 Referring to OY3-G6222, I investigated two systems of gear grinding;- (a) The… | ||
| scan0160 | Comparison between an American machine and a later type developed by the Gear Grinding Co. | ||
| View original record | BY15-P20.2.22. contd. - 2 - I examined one of the original American machines and compared it very carefully with the latest type machine developed by the Gear Grinding Co, and satisfied myself that… | ||
| scan0161 | Standardisation of ground gears for the gearbox to improve silence. | ||
| View original record | R R 755 (5 H) (S H 268. 29-9-20) G 2354 X3426 COMPLETED 22.2.22. STANDARDISATION OF CHASSIS PARTS. Description of Parts. GROUND GEARS FOR GEAR BOX. Origin. To improve silence of gear boxes. Date:… | ||
| scan0162 | Letter from the Springfield, Mass. office requesting the layout print for a Three-Speed Gear Box. | ||
| View original record | ROLLS-ROYCE OF AMERICA, INC. SPRINGFIELD, MASS. X3426 Oyl-G 18422 April 18, 1922 Dear Hives: Re: Three-Speed Gear Box We beg to advise that we have not as yet received the print of the layout of the… | ||
| scan0163 | Compression ratios and axle gear ratios for the 40/50 model. | ||
| View original record | To Hs. from R. c. to CJ. BJ. c. to Wor. BY. c. to EP. FN. X3426 R2/M25.7.22. X.790. X.3426 X.2685 X.4299 I think Mr. Hives's memo. regarding the roughness of the present 40/50s is quite in accordance… | ||
| scan0164 | Engine characteristics, refinement, and the importance of weight reduction in vehicle design. | ||
| View original record | contd:- -2- surprising that it is as quiet as it is, and wears as well, as between 2000 and 3000 revs. for such an engine is quite fast, and even light connecting rods, and aluminium pistons exert… | ||
| scan0165 | Investigation and potential solutions for a rattle from the gearbox. | ||
| View original record | Y3426 Hs. C. to BY. C. to Wor. C. to E. EP3/H15.8.22. Re. RATTLE FROM GEAR BOX. X3426 We have always been up against this trouble to a certain extent, but as the point was raised by Sales Dept. some… | ||
| scan0166 | Communication discussing an experiment to fix a brake on a side shaft, comparing it to a magneto drive. | ||
| View original record | - 2 - EP3/H15.8.22. are still experiencing trouble and are considering making an experiment by fixing a brake on the side shaft similar to the one used on the magneto drive, but as this is an… | ||
| scan0167 | Rattles from the gearbox side shaft and potential solutions. | ||
| View original record | EP. from BY. Hs. WOT. X3426 RECEIVED BY3-P25.8.22. 40/50. RATTLES FROM GEARBOX SIDE SHAFT. RE EP3/H15822. I think there are two ways of combating above;- a/- Thicker oil. b/- Ground straight spurs for… | ||
| scan0168 | Suggestion to use ground gears for the side shaft of the 40/50 gearbox to overcome a rattling complaint. | ||
| View original record | BY. from Hs. X3426 Hs7/LG25. 9.22. X.3426 - 40/50 GEAR BOX. RE GRINDING OF GEARS. We suggest that when we adopt the ground gears for the 1st. speed and reverse on the 40/50, that we ought to go the… | ||
| scan0169 | Adoption of a filler plug and oil level gauge for gearboxes on the 40/50 car. | ||
| View original record | X.3426 BY c. to Hs. c. to E. EP1/H12.1.23. OIL LEVEL ON GEARBOXES. X.3426. X.3527 Springfield have adopted a filler plug and oil level gauge as standard on the gear box of the 40/50 car made at… | ||
| scan0170 | Investigation into a groaning noise from the 40/50 gearbox when starting from a standstill. | ||
| View original record | Y3C426 c. to Hs. EP/Mx2/H18.1.23. 40/50. Gearbox We have always been somewhat in the dark regarding the cause of a groaning noise on the 40/50 chassis when starting from a standstill. This noise is… | ||
| scan0171 | Fit of gears on keys for a 40/50 gearbox and proposed solutions. | ||
| View original record | REC'd. JAN 24 1923 X3426 BY18-P23.1.23. 40/50 GEARBOX. Re EP/Mx2/H8123. attached. X3426 It is not practicable to make the gears a tighter fit on these keys than they are at present as the gears have… | ||
| scan0172 | Proposed modifications to the 40/50 HP gearbox for easier oil level checking and filling. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. X3426 HS7/LG24.5.23. 40/50 HP. GEARBOX. X3426 On the present 40/50 HP. Gearbox, in order to check the oil level or to add fresh oil, it is… | ||
| scan0173 | Standardisation of an oil filler plug for the gear box. | ||
| View original record | R.R. 765 (5 H) (S.J. 291, 12-10-21) G. 3087. Y3426 COMPLETED 7.7.23 STANDARDISATION of CHASSIS PARTS. Date 28.6.23. X No. 3426 Drawing No. Part List Description of Parts. OIL FILLER PLUG FOR GEAR BOX.… | ||
| scan0174 | Proposal for a plug in the end of a change gear tube, forwarding a letter from Springfield. | ||
| View original record | To R. from hl. X3428 4/50 Gear Box BJ11/H28.8.23. Copies to WP. Hs. Re Plug in End of Change Gear Tube. (Proposal Sheet No. 20.) I attach a copy of a letter from Springfield, dated August 15th,… | ||
| scan0175 | Letter regarding a proposal to fit a plug in the end of the change gear tube to address oil dripping. | ||
| View original record | Oy3-W-81523 [STAMP: RECEIVED 17 AUG 1925 D'FT'G OFFICE] August 15, 1925. Mr. Claude Johnson, Rolls-Royce, Limited, London, England. (Copy for attention of Mr. Royce Mr. Platford Mr. Hives) Dear Sir:… | ||
| scan0176 | The despatch of 40/50 HP chassis gear box blanks for machining and subsequent testing. | ||
| View original record | Y3426 RHC. BY/C3/H. 29. 8. 23. c.EFC. 40/50. HP. CHASSIS. GEAR BOX. ----------------------------- It has been decided that we should let Messrs Buck & Hickman have six pairs of 40/50. gear box helical… | ||
| scan0177 | Standardisation of adjusting washers on the selector lock in the gearbox. | ||
| View original record | R.R. 755 (10H) (SL 72 18-7-23) MP 274954s. X3426 Completed 26-10-23 STANDARDISATION of CHASSIS PARTS. Date 24.9.23. Description of Parts. Adjusting washers on selector lock in Gear Box. Origin: To… | ||
| scan0178 | Testing of ground bevel gears on different axles to assess their quietness. | ||
| View original record | X.3426 Mr. Shaw. c. to Hs. BY/2P/30.10.23. RE. GROUND BEVEL GEARS. X.4543 X.3426 In discussing the question of the two Axles fitted respectively with 40/50 ground gears and 20 HP. ground gears, Hs.… | ||
| scan0179 | Request to fit a shorter change speed lever to a 40/50 HP chassis. | ||
| View original record | Mr Hancocks 43426 Hs. BY/017/H. 29. 11. 23. 40/50. HP. CHASSIS. SHORT CHANGE SPEED LEVER. Sales are again pressing us to let them have a change speed lever about 3 1/2" shorter than present standard,… | ||
| scan0180 | Requesting the return of a short change speed lever for a 40/50 HP Chassis. | ||
| View original record | Mr Hancock To He Y3426 BY/C7/DB.4.12.23. Re 40/50 HP Chassis Short Change Speed Lever. With reference to the above lever, which we sent into your dept: last week, we have now received a letter from BJ… | ||
| scan0181 | The back axle and chassis gear ratios for the Goshawk II model. | ||
| View original record | Sp X3426 8.12.23. X.4219 - GOSHAWK II CHASSIS GEAR RATIOS. The two back axle ratios are now 11/50 12/50 giving ratios of 1 : 4.545 1 : 4.167 Taking the low back axle ratio, namely, 1 : 4.545, the… | ||
| scan0182 | Standardisation of a distance piece in gearbox G.2145 to reduce cost by omitting unnecessary serrations. | ||
| View original record | R.R. 755 (10H) (SL 72 18-7-23) MP 274954s. STANDARDISATION of CHASSIS PARTS. COMPLETED 10.1.24 Date ~~X428X~~ 7.12.23. X No. 3426 Description of Parts. DISTANCE PIECE IN GEARBOX G.2145. Origin To… | ||
| scan0183 | Draught issue from the 40/50 HP gearbox causing the driver's leg to freeze. | ||
| View original record | X.426 To Hs. from BJ. c. to E. BY. RG. PN. BJ2/H21.3.24. 40/50 HP. GEARBOX. X.4274 X.3426 With reference to experimental report No.4274 referring to the 20 HP. gearbox with right-hand levers, if a… | ||
| scan0184 | Implementation of a shorter gear lever and the performance of the 20 HP foot brake. | ||
| View original record | To BJ. from R. etc. Extract from R2/M3.6.24. X3426 ( In response to your memo BJ2/H24.5.24. to E. (3) SHORTER GEAR LEVER. X.3426. I quite agree to the use of a shorter gear lever on the 40/50 as… | ||
| scan0185 | 'India' gearbox test, detailing an issue with the gear lever working out of 1st and 2nd gear. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. Expl. No. 43426 REF. Hs5/LG28.2.25. S E C R E T. 'INDIA' - GEARBOX.… | ||
| scan0186 | Secret memo regarding gearbox issues on the 'V' series underframe chassis and the provision of a new torsionally free pinion. | ||
| View original record | X3426 To R. from AJS. S E C R E T. AJS2/M2. 3. 25. c. to CJ. BJ. c. to HS. E. c. to DA. BY. c. to Wor. 40/50 GEARBOX. X.3426 X.8310 In view of :- (1) The trouble experienced with India 1st. and 2nd.… | ||
| scan0187 | Secret internal memo regarding instructions for shaft splines on 40/50 and India gearboxes. | ||
| View original record | √3426 To BY. from AJS. S E C R E T. AJS2/M22.4.25. c. to Hs. 40/50 & INDIA GEARBOXES. X.5310 X.3425 X 3426 Referring to our memo. AJS1/M15.4.25., where we asked for splines with a certain face angle… | ||
| scan0188 | Secret memo regarding spline design for the 40/50 & India Gearbox pinions, with input from Mr. Royce. | ||
| View original record | X3426 To BY. from AHS. c. to HS. S E C R E T. AJS1/M24.4.25. 40/50, & INDIA GEARBOX - X.3426 1ST. & 2ND. SPEED PINIONS. X.5310 With reference to our instructions asking for splines for these with… | ||
| scan0189 | Letter to Mr. Claremont discussing the proposal of a freewheel mechanism with a positive clutch to improve acceleration. | ||
| View original record | V3426 c. to BJ. LHS. c. to PN. CWB. c. to BY. Hs. c. to C. SG. Elmstead, West Wittering, Chichester. 24th.Oct. 1928. A.W.Claremont Esq., My dear Mr. Claremont, X.523 X.7310 X.381 X.5310 It is realised… | ||
| scan0190 | Technical discussion on an alternative gearbox design using an epicyclic unit. | ||
| View original record | contd :- -2- but not in the side shaft of the gearbox. This we consider the most practical and quickly available way of providing an easily obtainable 3rd. speed. Our gearbox being especially silent… | ||
| scan0191 | Letter from F.H. Royce discussing the design and benefits of epicyclic gear arrangements. | ||
| View original record | contd :- -3- We have been over this ground so many times that none of it seems new to us, but I think the combination of the parts now suggested is novel, and gives some advantages not hitherto… | ||
| scan0192 | The drawing and forging details for a three-speed gearbox for a small chassis. | ||
| View original record | X4247 To Mr. Stott. from DA. c. to BY. c. to EH. c. to EFC. 31st. January 1919. Da/e/s 31.1.19 X.3501- RE THREE SPEED GEAR BOX FOR SMALL CHASSIS Herewith please receive drawing No. LeC.104B -… | ||
| scan0193 | Transmittal slip for a print of an Experimental 3-Speed Gear Box for a Small Chassis. | ||
| View original record | To EFC from Da/Stt. X 4247 Da/Stt2/CB5.2.19. X.3501 Please receive herewith 1 print of LeC.1043 - Experimental 3-Speed Gear Box - Small Chassis, for your information. Da/Stt. | ||
| scan0194 | Arguing in favour of a 4-speed gearbox over a 3-speed gearbox. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To R. from EH. c. to CJ. c. to E. c. to Da. E. to OY. X.4501. X4247 X.3426. X.3720. X.3501. EH3/LG12.219. 12th February, 1929. POINTS IN FAVOUR OF… | ||
| scan0195 | The merits of a 4-speed gearbox over a 3-speed, considering performance, economy, and suitability for different cars. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. Contd. -2- EH3/LG12.2.19. engine comfortably. If one had a car with 3-speeds with the low gear sufficiently low for climbing hills, it would be… | ||
| scan0196 | Continued note regarding improving consumption. | ||
| View original record | R.R. 235 B 20(T) (S.F. 674. 22-5-19) G. 2876. Contd. 33- EH3/LG12.2.19. improve the consumption. EH. | ||
| scan0197 | Superior quietness of Brown & Sharpe cut gears over generated gears for the 20HP chassis gearbox. | ||
| View original record | c. Etc. DA. from BY. X4247 BY1/P7/4/19. X.3501 20 HP CHASSIS - GEARBOX SECTION. RE CUTTING GEARS ON FELLOWS MACHINE. I understand that in the Experimental Department they are producing gears for the… | ||
| scan0198 | Modification to the front end of a gearbox for the 20 HP chassis to fit special Mitchelin wheels. | ||
| View original record | X4247 To Mr Coverley. c. to AY. M. EH. WH. EFC. DA3/CB9.4.19. RE 20 H.P. CHASSIS - X3501. Please receive two prints of N.364 shewing the front end of Gear Box - Part No.1, which we should like… | ||
| scan0199 | The manufacturing of special gears for the 20 HP Chassis Gear Box X356T. | ||
| View original record | To Mr Coverley. c. to H. EH. EPC. AF. X4247 DA3/CB9/4/19. ----------------- RE 20 H.P. CHASSIS - GEAR BOX X356T. ---------------------------------- Please receive two blue prints of - N.365 -… | ||
| scan0200 | Calculations for 20 HP chassis gears, including speeds, distances, and various gear ratios. | ||
| View original record | 12.6.19. 20 HP. CHASSIS GEARS X.3481. X.3501 / 4247 Tyres 820 x 120 i.e. 32.250 inches dia. Distance traversed per rev. = 101.2 inches. = 101.2 / (1760 X 36) miles per rev. Back axle ratio = 15/60 =… | ||
| scan0201 | Table of gear ratios, engine revolutions, and dynamo revolutions at various speeds for the 20 HP chassis. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 28-4-17.) Bm. 2/156/13. 13.6.19. X 350T - 4247 X. 3481 20 HP. CHASSIS GEAR RATIOS Miles per hour at 1000 R.P.M. Reverse. 1st. 9.40 2nd. 15.78 3rd. 24.0 M.P.H. Engine revs.… | ||
| scan0202 | The receipt of various parts from different suppliers for specific experiments. | ||
| View original record | R.R. 235 B (200 T) (S.F. 103. 25-10-18) G. 2244. L. Turner X.2501 4247 Mr Clark. from O.O. Wd/Dnl/HP17519. 17th May.1919. ****************************************************************** Please note… | ||
| scan0203 | Confirming receipt of materials such as electrical steel, white metal, bulbs, and bearings from various suppliers. | ||
| View original record | R.R. 255 b (200 T) (S.F. 103. 25-10-18) G. 2241. X.3501 4247 Mr. Clark. from Order Office. Wd/Dml/HP3619. 3rd June.1919. Please note that we have received from J. Sankey 1 sheet of 23 SWG of… | ||
| scan0204 | Sending two blueprints for the N.1345 L.O.P. 3-Speed Gear Box for a Goshawk chassis. | ||
| View original record | To RHO. from DA. c.c. to CK. X3501 X/4247 DA6/CB20/8/19. Goshawk CHASSIS - 3-SPEED GEAR BOX - 6030 - X3501 X3426. Please receive herewith two blue prints of N.1345 - L.O.P. 3-Speed Gear Box. for your… | ||
| scan0205 | Engine and chassis development, covering the Condor, Goshawk, Vulture, and Buzzard, and a discussion on 6 versus 12-cylinder engines. | ||
| View original record | X.3501 4247 To R. from E. -5- E3/G15.1.20. Contd. as measured by the A.M. officials. This when converted into foot pounds and doubled for the efficiency of the pump, only resulted in an equivalent of… | ||
| scan0206 | Alteration notice for an N.1 Gear Box, specifying the addition of a scrap section and metal to bosses. | ||
| View original record | Mr Walker. [crossed out] Mr Goverley. [crossed out] C. to CK. COPY OF ALTERATION. 2687/N. N.1 - Gear Box. Scrap section R.R. added, also note 8 bosses as shewn to leave .600 of metal added.… | ||
| scan0207 | Requesting an urgent alteration to the pattern for a Goshawk Gear Box casting for the Experimental Department. | ||
| View original record | R.R. 235 B (200 T) (S.F. 674, 22-5-19) G. 2376. X3501 (handwritten, crossed out) X4247 (handwritten) To Mr Walker (Pattern Shop). To Mr Coverley. (crossed out) Copy to CK. GOSHAWK GEAR BOX - SEC: NO.… | ||
| scan0208 | Inspection notes and recommendations for various 20 HP chassis components. | ||
| View original record | X.3521 X.4247 -6- To Hs, Da, & By. E1/G18.5.20. Contd. to do the silencer snout job. For press work to be ordered outside Mr. Royce recommended that we should try Sankeys or Rubery Owen. INSPECTION OF… | ||
| scan0209 | Vibrations and gearbox noise experienced in the 'Goshawk' chassis. | ||
| View original record | [Handwritten]: X 3501 (struck through) [Handwritten]: XB247 To R. from Hs/TMW. Extract from Hs/TMW1/LG8.1.21. X.3481. RE "GOSHAWK" CHASSIS. VIBRATIONS. X.3501. X.3525. A very puzzling period of… | ||
| scan0210 | Design proposals for a new small chassis, including engine and construction options. | ||
| View original record | X4247 To CJ. from R. Extract from R4/G17.11.20. X.4219. RE SMALL R.R. CHASSIS. X.4247. X.4256. X.4262. (5) We shall offer to the works and Sales, only one variety of engine to the dimensions given… | ||
| scan0211 | Specifications for a small chassis, detailing the gearbox, back axle, and related components. | ||
| View original record | X424 To CJ. from R. R4/G17.11.20. X.4219. RE SMALL R.R. CHASSIS. X.4247. ✓ Three speed gear box carried on rear of engine. (Gear box will be similar to Goshawk, but modified for three speeds). X.4252.… | ||
| scan0212 | Modifications to the small R.R. chassis specification, including changes to the clutch, gearbox, and couplings. | ||
| View original record | To CJ. from R. Copy to EAC. " " BJ. " " Wor. " " PN. " " C. " " Da. " " Hs. " " Ev. " " EP. X.4244 R5/G23.11.20. X. 4219. RE SMALL R.R.CHASSIS. X.4244 We have made certain slight modifications to the… | ||
| scan0213 | Wear on plate clutches and gearboxes, referencing a Packard and proposing a new 'Goshawk' design. | ||
| View original record | To Hs. from R. Copy to CJ. x4244 x4244 R7/G23.11.20. X.435. X.4219. RE PLATE CLUTCH AND GEAR BOX. I shall be glad (if you have not sketches of the details of the plate clutch and gear box when the… | ||
| scan0214 | Design and potential issues of the 'KITE' gearbox and clutch. | ||
| View original record | x4247 To Da. from R. c. to CJ. c. to Hs. c. to By. c. to EWC. R7/G14.12.20. X.4247. X.4244. RE "KITE" GEARBOX AND CLUTCH. We are sending you a gearbox attached to the clutch. We think the one you have… | ||
| scan0215 | Design updates for the Goshawk II engine, including the gearbox, back axle, cylinder head, and ignition system. | ||
| View original record | R.R. 886A (100 T) (S.H 798, 10-12-20) G. 2947 X4244 To Da. from R. c. to CJ. c. to BJ. c. to Wor. c. to Hs. c. to Ey. X.4219. RE GOSHAWK II. (1) We are sending you on Wednesday the design for the… | ||
| scan0216 | Drawing LeC.1349 for additions to the 'Goshawk 11' gearbox hand brake mechanism. | ||
| View original record | X.4247 To Da. from E. c. to CJ. c. to Wor, c. to Hs. c. to EY. c. to EFC. E1/G16.2.21. X.4247. RE. "GOSHAWK"11. GEAR BOX. We send you herewith drawing LeC.1349 shewing additions to "Goshawk 11"… | ||
| scan0217 | Confirming the sending of blueprints for Goshawk 11 clutch, flywheel, and gearbox components. | ||
| View original record | (R.R. 235B (100 T) (S.H. 798. 10-12-20) G. 2948 X.4247. To BY. from Da. c. to RHC (1 print) c. to TB. c. to Hs. Da5/CB28.2.21. X.4244 GOSHAWK 11. X.4247 Please receive herewith two blue prints of X… | ||
| scan0218 | The reduction ratios for the 'Goshawk II' gearbox. | ||
| View original record | x4247 BY/TWD1/GMK 5/3/21 To. Mr. Hives. "GOSHAWK II" x4247). GEAR BOX - SECTION 6030. As requested, we give below the reduction ratios of the above gear box;- First Speed. - 3.17 to 1. Second Speed -… | ||
| scan0219 | Modifications to the Goshawk 11 gearbox, specifically concerning the motion shaft and a bolt. | ||
| View original record | X.4247 To BY. from Da. c. to Hs. c. to RB. c. to RHC(1 print) Da7/CB17.3.21. X4248 GOSHAWK 11 - GEAR BOX. X4247) We send herewith three prints of "N" scheme 804 shewing the rear end of the 3rd. Motion… | ||
| scan0220 | Extract from a visit report concerning a trial on a Goshawk 11 gearbox. | ||
| View original record | X.4247 31.3.21. VISIT OF MESSRS. WORMALD AND HIVES TO WEST WITTERING ON SATURDAY MARCH 19TH. 21. Extract from E6/G31.3.21. -------GOSGAWK 11 GEARBOX X.4247 As it is proposed to try a two-bearing box… | ||
| scan0221 | Cost reduction proposals for the Goshawk II Gearbox control levers. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 X4247 BY15-P19.4.21. from BY. C. Hs. X4247 GOSHAWK II. GEARBOX. Referring to proposals to reduce cost on the above, I think the following point deserves… | ||
| scan0222 | Responding to design suggestions for the Goshawk 11 Gear Box. | ||
| View original record | To BY. from E. c. to CJ. c. to Wor. c. to Da. c. to Hs. X.4247 RE GOSHAWK 11 GEAR BOX. In reply to the first paragraph of your memo. BY12/P21.4.21 re LeC.1349, Mr. Royce says - "The suggestion you… | ||
| scan0223 | The design and testing of a stud arrangement for fixing the Goshawk II gear box brake quadrant. | ||
| View original record | To B.Y. from R. c. to C.J. c. to Da. c. to Hs. (4247) X.4247 - GOSHAWK II - GEAR BOX. With reference to your suggestion of fixing the brake quadrant by studs and nuts, this scheme was naturally… | ||
| scan0224 | Discrepancy and subsequent alteration to the 'Goshawk II' transmission line, requiring new blueprints to be issued. | ||
| View original record | X4247 To BX from DA/STT. c. to HS. | ||
| scan0225 | The lack of a method to check the oil level in the Goshawk 11 gear box. | ||
| View original record | X4247 To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. Hsl/LG21.7.21. X.4247 - RE GOSHAWK 11 - GEAR BOX. There is no oil filler plug instructed for the Goshawk 11 Gear Box. There is a plug on the… | ||
| scan0226 | The initial test run impressions of the 'Goshawk 11' engine and gear units. | ||
| View original record | X4247 To R. from Hs. c. to CJ. c. to E. c. to Ds. X4219 X4247 Hs1/LG22.7.21. BOX "GOSHAWK 11" - ENGINE AND GEAR/UNITS. We have had the above engine running on the Test Bench. The first impression of… | ||
| scan0227 | The inspection and filler plugs for the Goshawk 11 Gear Box. | ||
| View original record | To Hs. from R. c. to CJ. c. to Da. c. to BY. X4247 R7/G4.8.21. X.4247 - RE GOSHAWK 11. GEAR BOX. The inspection plugs shewn on LeC.1360 were intended for the oil level, the plug at the top being the… | ||
| scan0228 | Telegram from Royce regarding a meeting and trial of Goshawk engine gears for Rowledge and Olliver. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 X4247 ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. HS (crossed out) Time Received: 3.41 Date: 31.8. To: Roycar Derby By: AH X4247. from: Chichester… | ||
| scan0229 | Use of 20° versus 14½° angle teeth in the Goshawk 11 gearbox. | ||
| View original record | X4247 To BY. from R. c. to CJ. c. to Wor. c. to Hs. R11/G3.9.21. ___________ X.4247 - RE GOSHAWK 11. GEAR BOX. I cannot understand who is the author of using 20° angle teeth in the gear box of Goshawk… | ||
| scan0230 | Gear design for the Goshawk 11 gearbox, discussing tooth obliquity, interference, and noise. | ||
| View original record | R. from BY. c.c. GD. c.c. Ger. L.B. X4247 X4247 GOSHAWK 11. GEARBOX. With reference to the use of 20° obliquity on Goshawk 11 gears, I instructed these, as there is considerable interference between… | ||
| scan0231 | Failed valve spring washer and excessive engine gear noise on the Goshawk 11 engine, recommending an oil system modification. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. c. to Wor. c. to EP. COPY X4247 Hsl/LG13.9.21. X4247 GOSHAWK 11. X.4219 We have had one of the valve spring washers break on Goshawk 11. engine on… | ||
| scan0232 | Testing a Goshawk engine and gearbox to investigate clutch jaggering issues. | ||
| View original record | Contd. -2- Since our return from W.W. we have taken out the engine and gear box unit which was running on the car, in order to go into the question of - why the clutch jaggers and the reason why the… | ||
| scan0233 | Investigating noise from a Goshawk 11 gearbox, questioning the reverse pinion or ball bearings as the cause. | ||
| View original record | To Hs. from R. c. to CJ. X4247 R9/G14.9.21. X.4247 - RE. GOSHAWK 11. GEAR BOX. We should be glad to know if you think the noise is due to the reverse pinion. You will remember that you thought it… | ||
| scan0234 | Test report on Goshawk 11 and Gear Box X.4247, identifying a noisy Hyatt roll bearing as the cause of a fault. | ||
| View original record | W.W. 235a 150 T. (S.H. 9062) 6-200S Extract from Hs2/LG20. 9. 21. 20.9.21. X.4247. Goshawk 11. X.4241. X.4219. X.4252 X.4247. Gear Box. X.4247. We have tested all the ball bearings in the gear box and… | ||
| scan0235 | Extract about gearbox noise and the results of replacing a Hyatt Bearing with a plain bush. | ||
| View original record | X.4247. Extract from Hs5/LG23.9.21. NOISE FROM GEAR BOX. X.4247. We find that removing the Hyatt Bearing and fixing a plain bush appears to improve it. The Gear Bpx is still not satisfactory as… | ||
| scan0236 | 20 HP gearbox retaining bolt failure during test bench trials. | ||
| View original record | X.4247. Extract from Hs3/LG13.10.21. GEAR BOX. 20 HP. We have had the long retaining bolt which holds the collars for retaining the ball bearings on the side shaft, break. This occurred on the Test… | ||
| scan0237 | Test report on a gearbox bolt failure, steering rigidity, and causes of induction roar. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to De. c. to BY. c. to Wor. c. to EP. X4247 COPY. Hs3/LG13.10.21. X.4219. GOSHAWK 11. X4247 GEAR BOX. We have had the long retaining bolt which holds the collars… | ||
| scan0238 | Broken bolt on the Goshawk 11 gearbox and proposed solutions. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 X4247 To Hs. from R. c. to CJ. c. to Wor. c. to Br. c. to Da. R4/G17.10.21. X.4247 - RE GOSHAWK 11 - GEAR BOX. With reference to the broken bolt on the side… | ||
| scan0239 | Extract concerning a noisy Hyatt roller bearing on a gearbox and the implications of bearing fit. | ||
| View original record | Extract from R9/G17.10.21. X.4247 X.4219 17.10.21. GEAR BOX. X.4247 As regards the noisy Hyatt roller bearing on thegear box, we are pleased to hear that you hope to cure this by making it slightly… | ||
| scan0240 | Failure of a 2.BA bolt in the Goshawk 11 gearbox, which could lead to the selector tube sliding into the clutch. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. c. to Wor. c. to EP. (X424) COPY. Hs4/LG26.10.31. GOSHAWK 11. X4219 (crossed out) X 424) GEAR BOX. We have had one of the long 2.BA bolts which… | ||
| scan0241 | The use of Hoffmann roller bearings in a Goshawk II gearbox and a proposed test for a broken side shaft bolt. | ||
| View original record | X4247 To Hs. from R. c. to CJ. c. to Wor. c. to Da. c. to BY. R5/G27.10.21. GOSHAWK 11. GEAR BOX. X.4247 X.1324 Please ascertain as soon as ever possible, whether the Hoffmann type of roller bearing… | ||
| scan0242 | Goshawk Gear Box drain plug dimensions and a request for a new drawing sheet. | ||
| View original record | To Da. from E. c. to CJ. c. to Wor. c. to BY. c. to Hs. X4247 E6/G2.11.21. X.4247 X.4091 - RE GOSHAWK GEAR BOX AND GENERAL PLUG DIMENSIONS. We send you herewith drawing LeC.1477 which will give you… | ||
| scan0243 | Drawing for a strengthened method of holding the slider guides for the Goshawk 11 Gear Box. | ||
| View original record | To Da. from E. c. to CJ. c. to Wor. c. to BY. c. to Hs. & X4247 E7/G2.11.21. RE GOSHAWK 11. GEAR BOX. X.4247. We send you herewith drawing No. Lect1476 shewing a strengthened method of holding the… | ||
| scan0244 | The arrival and planned testing of special roller bearings for the Goshawk 11 gearbox. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 X4247 BY8-P18.11.21. Hs. from BY. c. Wd/for Dn. c. Rg. RECEIVED FC 18 NOV 1921 GOSHAWK 11. GEARBOX. SPECIAL ROLLER BEARINGS. X4247 Two sets of the following… | ||
| scan0245 | Note on gearbox faults, including a double note sound and top gear slipping. | ||
| View original record | X.4247 Extract from Hm1/W30.11.21. GEAR BOX X.4247. There is a distinct double note when on second speed on hill, one high and the other low, one note coming from the side shaft and the other from the… | ||
| scan0246 | Cause and solution for oil leaks from the Goshawk gearbox. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. c. to EP. c. to Wor. X4247 Hs2/LG14.12.21. GOSHAWK 11. X4247. Oil leak from Gear Box. We find that a… | ||
| scan0247 | Modifications to address oil leaks from a COS gearbox, referencing drawings LeC.1508 and LeC.1509. | ||
| View original record | X4247 To Da. from E. c. to CJ. c. to Wor. c. to By. c. to Hs. E1/M22.12.21. RE. OIL LEAKS FROM COS. GEARBOX. X.4247. We send you herewith drawings Nos. LeC.1508 and 1509, shewing some modifications… | ||
| scan0248 | Production startup points for the Goshawk 11 chassis, focusing on the gearbox casting, dashboard supports, brake shaft stress, and pedal stops. | ||
| View original record | Da. from Hs. X4247 Hs3/LG30.12.21. X4247 GOSHAWK 11. X4219 X4267 The works are now starting on production of the Goshawk 11. chassis so therefore, we are very anxious now to clear up some of the… | ||
| scan0249 | Suggested gearbox breather for the Goshawk 11, intended to fix oil leaks and rust issues. | ||
| View original record | X.4247. To Da. from E. c. to CJ. c. to Wor. c. to BY. c. to Hs. c. to EP. GOSHAWK 11. GEARBOX BREATHER. X.4247. We send herewith drawing No.KeC.1566 shewing the breather which we suggest for the… | ||
| scan0250 | Modification to the Goshawk 11 gearbox cover bolts. | ||
| View original record | X.4247. To D.C.J from E. c. to EY. Hs.. EP. E6/M9.5.22. GOSHAWK 11. GEARBOX COVER. X.4247 We send you herewith drawing No.LeC.1568 shewing the amount it is necessary to move the centre lines of bolts… | ||
| scan0251 | Drawing No. Lec.1586 for an improved ventilation system for the Goshawk 11 gearbox. | ||
| View original record | X.4247. To Da. from E. c. to CJ. c. to Wor. c. to Hs. c. to BY. c. to EP. E6/M23.5.22. GOSHAWK 11. GEARBOX VENTILATION X.4247. We send you herewith drawing No.Lec.1586 shewing an improved ventilation… | ||
| scan0252 | Alteration of the second speed gear ratio for the Goshawk II gearbox. | ||
| View original record | To BY. from E. c. to CJ. Wor. c. to Hs. EP. X.4247. E1/M31.5.22. GOSHAWK 11 GEARBOX X.4247. We send you herewith drawing No.LeC.1591 shewing a new pair of gears for altering the ratio of the second… | ||
| scan0253 | Lubrication of a Goshawk limousine due to a noisy second speed caused by low gearbox oil. | ||
| View original record | x4247 BJ. from Hs. Hs3/LG9.6.22. GOSHAWK LIMOUSINE. x4249 x4247 We should like to know whether the Goshawk limousine was lubricated during the time it was in London, if so, when? We have found that… | ||
| scan0254 | Testing the Goshawk 11 gearbox vent, which resulted in oil leakage from tubes due to emulsion. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. (X424) hs5/LG9.6.22. GOSHAWK 11. GEAR BOX VENT. X.4247. We have tested the ventilation scheme for a gear box made to LeC.1586. We find that after… | ||
| scan0255 | Tests conducted to investigate the cause of an elusive engine gear rattle. | ||
| View original record | X4247 To R. from Hs. c.c. to CJ. c.c. to L. c.c. to Ds. c.c. to BY. Hs1/LGS.9.9.22. COBHAM 11. ENGINE GEAR RATTLE. X.4247 We have carried out a number of tests in connection with this and find that… | ||
| scan0256 | Investigation into the cause of Goshawk II engine gear and dynamo rattles. | ||
| View original record | X4247 To R. from Hs. c. to CJ. c. to K. c. to Ds. c. to BY. Hal/LG16.9.22. GOSHAWK II. ENGINE GEAR RATTLES. X4222 X4247 We have found that the cause of the dynamo rattles has been due to slack in the… | ||
| scan0257 | Continued note regarding an agreement from the Drawing Office about a Goshawk-11 plate modification. | ||
| View original record | Contd:- -2- Goshawk-11. The D.O. have agreed that the plate can be made T shape with little alteration to existing parts. Hs. | ||
| scan0258 | Letter discussing gear levers on the 20 HP model, loss of sales due to left-hand control, and potential improvements for colonial markets. | ||
| View original record | X.4247. COPIES TO : CJ. FN. Hs. 23rd. Nov.1922. BJ15/H23.11.22. Dict.22nd. My dear R., GOSHAWK X.4327. X.4247. I am sorry to have troubled you with our recent suggestions concerning gear levers on the… | ||
| scan0259 | Request for a Goshawk engine and gearbox unit to be returned in good repair before the handover of a 6-Goshawk-ll car. | ||
| View original record | Hm. from Hs. X4247 Hs4/LG24.11.22. X4247 X4219 We should like you to arrange that the Goshawk engine and gear box unit which you have are returned to us in good repair before we hand over to you… | ||
| scan0260 | Proposed new fan drive arrangement for the Goshawk engine and its potential consequences. | ||
| View original record | To Hs. from R. c. to CJ. c. to Wor. c. to EP. c. to Da. c. to EFC. X4247 R3/M1.12.22. RE. HALF TIME GEARS. X.4247. X.4237. We are sending an arrgt. so that the fan can be driven from the dynamo drive… | ||
| scan0261 | Proposal for a friction drive system using bevelled rings to ensure quiet engine gear operation. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. x4247 Hs2/LG13.12.22. ENGINE GEARS. x4247 / x4569 It has been realised for some time that the chief difficulty in obtaining quiet gears is to get the camshaft to turn… | ||
| scan0262 | Continued page discussing the implications of using tight gears and thick oil. | ||
| View original record | contd:- -2- this forces us into having tight gears, thick oil etc. Hs. | ||
| scan0263 | The standardisation of the Goshawk Gearbox. | ||
| View original record | X4247 To BY. from R. c. to Wor. Hs. R5/M10.1.23. RE. GOSHAWK GEARBOX X.4543 X.4247. The straight teeth, and the ground gears appear to make the box all that can be expected. I think these should be… | ||
| scan0264 | Drawing of a Goshawk II gearbox with speed ratio calculations. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 GOSHAWK II. GEAR BOX. X4247 9.3.23. 35 28 37 22 57 28 19 14 Second Speed Ratio = 35/57 = .614 1.626 reverse speed Ratio = 35/57 X 14/37 = .2322 First speed… | ||
| scan0265 | Test report detailing transmission loss on direct and indirect gears due to oil churning and inefficiency. | ||
| View original record | X4247 15.3.23. Tests to attempt to determine transmission loss on direct and indirect gears due to oil churning and gear inefficiency. The tests were carried out on the beds with a Froude Water Brake.… | ||
| scan0266 | Continued list of conclusions drawn from apparatus tests, detailing issues with sensitivity, gearbox performance, and brake measurement errors. | ||
| View original record | Contd:- -2- The conclusions which we draw from these figures are :- (a) That the apparatus used is not sufficiently sensitive to accurately ascertain small losses. (b) With no oil in the gear box we… | ||
| scan0267 | Issues with the top gear and bonnet fit, attributing past occurrences to faulty workmanship. | ||
| View original record | X4247 To B.J. from Hs. Hsl/LG26.3.23. GOSHAWK. X4241 X4247 Referring to your memo. BJ5/H24.3.23. We have handed this on to EP. as the question of the top gear coming out and the fit of the bonnet are… | ||
| scan0268 | Concerning a potential design or workmanship fault causing the top gear to slip on Goshawk models. | ||
| View original record | X4247 To Hs. from BJ. Copies to WP. PN. GOSHAWK. BJ1/H28.3.23. With reference to Hs1/LG26.3.23, I am rather concerned to hear that there have been occasions on other cars when the top gear has slipped… | ||
| scan0269 | Official order for work to be carried out on a 7-Goshawk-11 car. | ||
| View original record | X4247 Ms. from Hs/TMW. Hs/TMW2/LG17.4.23. Attached please find a note from Cricklewood in which they ask for an official order for carrying out some work on 7-Goshawk-11 Car. Will you be good enough… | ||
| scan0270 | Request for an official order to dismantle a gearbox and fit a trunnion ball race on a 20 HP Experimental chassis. | ||
| View original record | HS N-W A7/A. 9.4.23 re Chassis 7-G2 - 20 H.P. Experimental Your Mr. Hives called here today and asked us to dismantle the gearbox of the above chassis, fitting up a trunnion ball race supplied by… | ||
| scan0271 | Table of engine revolutions at various road speeds for different axle types, with a secondary table for Goshawk 11 gear reduction ratios. | ||
| View original record | X4247 4.5.23. EFFECTIVE TYRE DIA. 31.4" WHEEL MAKES 642.6 REVS. PER MILE. ENGINE REVS | Road speed. M.P.H. | 13 tooth-axle | | | 14-tooth axle. | | | 15th-tooth axle. | | | | --- | --- | --- | --- |… | ||
| scan0272 | The top gear disengaging while running on 20-HP chassis models. | ||
| View original record | X4247 c. to Hs. EP9/H24.5.23. X4247 20-HP Chassis. Top Gear becoming disengaged while running. We still continue to receive complaints of this taking place on customers cars in service, which we have… | ||
| scan0273 | Increasing the strength of the locking spring for the 20HP chassis gearbox change gear mechanism. | ||
| View original record | X4247 Mr D'Aeth. c. EP. c. EPT. c. Hs. BY1-P25.5.23. 20HP. CHASSIS GEARBOX. CHANGE GEAR MECHANISM. With reference to the question of increasing the strength of the locking spring from 5 1/4 lbs. to 10… | ||
| scan0274 | Investigation into the top gear disengaging on a 20-HP chassis, citing faulty gearbox alignment. | ||
| View original record | X4247 c. to Hs. c. to Sft. EP7/H29.5.23. 20-HP Chassis. Top Gear becoming disengaged while running. X4247 With further reference to our report EP9/H24.5.23 also your memo BY/TWD6/CMK25.5.23… | ||
| scan0275 | Gearbox alignment issue on the 20HP chassis and a proposed solution. | ||
| View original record | X4247 WR c. Hs. BY14-P4. 6. 23. 20HP CHASSIS GEARBOX. RE TOP GEAR WORKING OUT. Referring to EP's memo on the above subject, EP7/H29523, I do not see what we can do to cover the position given in the… | ||
| scan0276 | 20-HP engine gear failures caused by insufficient flywheel clearance on experimental and new cars. | ||
| View original record | X4247 SPL c. to BY. c. to Hs. EP1/H7.6.23. re. 20-HP Engine Gear Failures. X4247 X4221 One of the features which we experienced in the early Experimental car, was that when the engine was run under… | ||
| scan0277 | 20-HP engine gear failure caused by an unlocked nut on the front camshaft bearing housing. | ||
| View original record | X4247 c. to Hs. c. to Sft. EP19/H2.7.23. 20-HP Engine Gear Failure. 27-S-O. We have had to attend to the above failure, having received a complaint from the Coachbuilders that during the final test of… | ||
| scan0278 | Sending drawing No.Lec.1751 for the Goshawk side change gearbox casing and requesting a print. | ||
| View original record | X.4247 To BY. from E. c. to CJ. Hs. E1/M25.8.23. GOSHAWK - SIDE CHANGE GEARBOX CASING. X.4244 X.4247. We send herewith drawing No.Lec.1751 shewing the above. We should be glad to receive a print as… | ||
| scan0279 | Sending drawing No. LeC.1755, which shows an improved type of outside lever on a Goshawk clutch operating shaft. | ||
| View original record | To BY. from E. c. to CJ. c. to Hs. c. to EP. X4247 E3/M30.8.23. IMPROVED TYPE OF OUTSIDE LEVER ON GOSHAWK.11.X.4247 CLUTCH OPERATING SHAFT. X.4244 We send you herewith drawing No.LeC.1755 shewing the… | ||
| scan0280 | The improved Goshawk 11 clutch operating gear to suit a side change gearbox. | ||
| View original record | X4247 To BY. from E c. to CJ. c. to Hs. c. to EP. E1/M30.9.23. IMPROVED GOSHAWK 11. CLUTCH OPERATING GEAR TO SUIT SIDE CHANGE GEARBOX. X.4244 X.4247 We send you herewith drawing No.LeC.1754 shewing… | ||
| scan0281 | Gearbox design for the Goshawk model to support side levers and 4-wheel brakes. | ||
| View original record | To CJ. from R. c. to BJ. RG. c. to Wor. BY. c. to Hs. X4247 R5/M16.10.23. RE. GOSHAWK. GEARBOX FOR SIDE LEVERS AND 4-WHEEL BRAKES. X.1559 X.4247 Referring to your memo. regarding four wheel brakes for… | ||
| scan0282 | Urgent need to introduce a new gearbox with side levers for the 20HP Chassis. | ||
| View original record | X4247 (handwritten) To DY. from Wor. c. to Hs. c. to Mr Coverley. Wor11/M18/12/23. 20HP Chassis. ------- CJ. is very keen indeed to get the new Gear Box with the side levers, in production at the… | ||
| scan0283 | Private memo regarding the urgent need to proceed with the new Gear Box for the 20HP chassis. | ||
| View original record | To B.H. - from Wor. " Hs. - " " " Rg. - " " " Mr.Coverley" " PRIVATE. X4247 Wor4/M18/12/23. It is important that we proceed as rapidly as possible with the new Gear Box for the 20HP chassis, with the… | ||
| scan0284 | Extract discussing considerations for a 3-speed versus 4-speed gearbox design for the Goshawks model. | ||
| View original record | X.4247 R1/M1.1.24. Extract from :- R1/M1.1.24 - RE GOSHAWKS. X.4219. GEAR BOX. (1) the time necessary to make a scaled down design from 4 speed EAC. (2) the additional cost fitted upon the finished… | ||
| scan0285 | Meeting notes from the design committee regarding the EAC.3 chassis steering lock and front springs. | ||
| View original record | To CJ. & R. c. to RG. E. DA. c. to Wor (from Rg.) c. to BY { " " } c. to HS. { " " } 4247 VISIT OF RG. AND HB. TO WW. TUESDAY 8.1.24. E1/M10.1.24. X.9940 X.4247 X.4260 X.9770 The following notes were… | ||
| scan0286 | Decisions on 20 HP model brakes, frame length, gearbox, and patents. | ||
| View original record | contd:- -2- test should be fitted with the new speedometer drive and the best 4 wheel brakes we know of at the time, but it should not wait for any further alterations. It was further suggested that… | ||
| scan0287 | Secret memo outlining progress at West Wittering and clarifying the nomenclature for various 'EAC' chassis designs. | ||
| View original record | To R. from E. c. to CJ. RG. HS. V4247 S E C R E T. E. A. C. E1/M16.1.24. X.9940 X.3528 X.9770. X.4247. RE. PROG RESS AT WW. We are sorry to have appeared neglectful of sending proposals of what shall… | ||
| scan0288 | Status report on various experimental car models, gearboxes, and component issues. | ||
| View original record | contd:- -2- EAC.5. Our revised EAC.1. e.g. As EAC.4. but with open propeller shaft and 20 HP. type rear axle control. We are sending a copy of a more detailed list got out at Derby. EAC.1. has been… | ||
| scan0289 | Estimate of the extra weight and cost for a four-speed Goshawk gearbox compared to a three-speed version. | ||
| View original record | To B. from BJ. E.A.C. X 4247 SECRET. Copies to Hg. Hs. WORK'S PROGRESS AT W.W. BJ16/H22.1.24. With reference to E1/M16.1.24, page 2, re side lever Goshawk box, before putting in any considerable time… | ||
| scan0290 | 20 HP right-hand change gearbox, noting noise issues and a problem with the selector rod bushes. | ||
| View original record | R.R. 403A (40 H) (SL 42 12-7-23). J.H. D. EXPERIMENTAL REPORT. Expl. No. X4247 REF: Hs2/LG28.2.24. To R. from Hs. c. to CJ. RG. c. to E. DA. c. to BY. WOR. 20 HP. GEARBOX WITH RIGHT-HAND CHANGE SPEED… | ||
| scan0291 | On the performance and silence of a 20 HP gearbox with right-hand brake and change speed levers. | ||
| View original record | To R. from Hs. c. to CJ. RG. c. to E. DA. c. to BY. WOR. 14247 Hs8/LG29. 2.24. 20 HP. GEARBOX WITH RIGHT-HAND BRAKE AND CHANGE SPEED LEVERS. 14247 We have had the car running again today fitted with… | ||
| scan0292 | Forwarding a telegram from Mr. Royce with suggestions for a new gearbox scheme. | ||
| View original record | To Hs. - from Wor. X4247 Wor5/M11/2/24. Please note the following is copy of telegram from Mr.Royce, passed on to us by London:- ' WITTERING PRINTS ARRIVED SUGGEST FOLLOWING NEW BOX SCHEME MORE… | ||
| scan0293 | Decision to postpone the manufacture of a four-speed gearbox for the 20 HP chassis due to cost. | ||
| View original record | HS (handwritten and crossed out) X4247 (handwritten) To Rg. From CJ. c. to R. Wer. HY. H. (crossed out) Dec. Hs. (crossed out) 20 HP. CJ2/E6/5/24 At a conference held at Conduit Street this morning,… | ||
| scan0294 | 20 HP gearbox with right-hand levers. | ||
| View original record | EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. RG. c. to E. DA. c. to BY. WOR. 20 HP. GEARBOX WITH RIGHT-HAND LEVERS. We have a 20 HP. car running with a 3-speed box with right-hand levers. The weight… | ||
| scan0295 | Continuation of a note regarding modifications to the gate and springs on a Hawk gearbox. | ||
| View original record | contd :- -2- of the gate on the Hawk gearbox which is floating without any springs. We have fitted weaker springs compared with those originally instructed. We suggest that it might be better if we… | ||
| scan0296 | Draught from the 40/50 HP gearbox freezing the driver's right leg. | ||
| View original record | To Hs. from BJ. Copies to F RV Hs PR +4247 V BJ2/H21.3.24. +4247 X3426 GEAR-BOX: 40/50 H.P. With reference to Experimental Report No. 4274, referring to the 20 h.p. gearbox with right-hand levers, if… | ||
| scan0297 | Rudge-Whitworth wire wheels and bevel pinions for the 20 HP series. | ||
| View original record | X4247 Extract from R2/M3.6.24. To BJ. from R. etc. In response to your memo BJ2/H24.5.24, to E. I had the impression that I had dealt with most of these matters, but the following are my opinions… | ||
| scan0298 | Table of engine RPM versus MPH for different gears, based on an actual tyre diameter under load. | ||
| View original record | +4247 5.6.24. ACTUAL TYRE DIA. UNDER LOAD 31.4". This gives :- M.P.H. Engine R.P.M. Direct 10 487 60 2922 2nd. 10 791 40 3164 1st. 10 1542 20 3084 Hs/Rm. | ||
| scan0299 | Design completion of a 4-speed side lever servo drive and gearbox for the Goshawk project. | ||
| View original record | To Hs. from R. c. to CJ. RJ. BY. E. DA. RG. X4247 R2/M27.6.24. RE GOSHAWK. X.5300. X.5060 X.4219. X.5010. X.4247. The 4 speed side lever servo drive and gearbox design is now nearing completion. We… | ||
| scan0300 | Development and comparison of 3-speed and 4-speed gearboxes for the Goshawk II chassis. | ||
| View original record | X.4247. To HS. & EY. FROM R. c. to CJ. BJ. Wor. FN. RE. 4-SPEED GEARBOX FOR GOSHAWK II. X.4247. Though I am still in favour of a central change three speed box for this Goshawk chassis, for my own… | ||
| scan0301 | Gear box ratios for the Goshawk II (3 speed) and Goshawk III (4 speed) models. | ||
| View original record | 4247 To. Mr. Hives. c. RHC. BY/TWD1/GK. 9/12/24. "GOSHAWK II". (3 SPEED). "GOSHAWK III".(4 SPEED). GEAR BOX. SECTION 6030. As requested we send you herewith both the "Goshawk III" 4 Speed Gear Box… | ||
| scan0302 | Design, performance, and required modifications for the Goshawk 4-speed gearbox. | ||
| View original record | To HS. BY. from R. c.c. to CJ. BJ. 4247 R3/MIO.12.24. GOSHAWK 4-SPEED BOX. X.4247 X.6310 X.5770 We have seen this on a car at WW. and think it will prove quite good. A few points require modification… | ||
| scan0303 | The performance and gear ratios of a 4-speed gearbox with a right-hand change fitted to a 20 HP car. | ||
| View original record | Y4247 To R. from Hs. c.c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. Hs5/LG11.12.24. 4-SPEED BOX WITH RIGHT-HAND CHANGE X5310 FOR 20 HP. We have one of these boxes fitted on a 20 HP. car. The… | ||
| scan0304 | Graph of road speed against engine RPM for Goshawk II & III gear ratios. | ||
| View original record | GOSHAWK II & III. GEAR RATIOS ROAD SPEED FOR ENGINE R.P.M. --- GOSHAWK III. 4 SPEED BOX. -- -- GOSHAWK II. 3 SPEED BOX. THESE CURVES ARE FOR 11/50 AXLE RATIO AND THE FOLLOWING GEAR BOX RATIOS:- G III.… | ||
| scan0305 | Table of gear ratios and road speeds for the Goshawk II and III models. | ||
| View original record | GOSHAWK II & III GEAR RATIOS. V4247 AXLE RATIO 11/50. EFFECTIVE WHEEL DIAM = 31.4" TABLE GIVING ROAD SPEED ON DIFFERENT GEARS G.III 4.SPEED BOX. | GEAR. | GEAR BOX RATIO. | ENG. R.P.M. | M.P.H. |… | ||
| scan0306 | Recommending car 7-G-11 with a 4-speed gearbox for use at 'WW' pending completion of front wheel brakes. | ||
| View original record | To CJ. BJ. } FROM R. HS. BY. } 4247 R5/M13.12.24. CAR FOR WW. X.4247 X.5310 X.5770. We think 7-G-11 with the 4-speed gearbox will be the best car to have at WW. for the present, until the front wheel… | ||
| scan0307 | Technical document detailing the chassis gear ratios, engine RPM, and dynamo revs for the Goshawk II & III models. | ||
| View original record | (X426) 12.2.25. GOSHAWK II & III CHASSIS GEAR RATIOS, ETC. The two back axle ratios are now :- 11/50 12/50. giving ratios of :- 1: 4.545 1: 4.167 Taking the low back axle ratio, namely, 1 : 4.545, the… | ||
| scan0308 | Specification sheet detailing the gear box ratios for the Goshawk II and Goshawk III models. | ||
| View original record | X42B 12.2.25. GEAR BOX RATIOS. ________________ GOSHAWK II. ___________ Reverse 57/35 x 37/14 = 4.304 First 57/35 x 37/19 = 111/35 = 3.171 Second 57/35 x 28/28 = 57/35 = 1.629 Third = Direct drive.… | ||
| scan0309 | Proposal to test gearbox ventilation by drilling a hole in a 20 HP car to address reported oil leaks. | ||
| View original record | To EP. from Hs. c. to BY. c. to Mx. 4247 Hs5/LG6.10.25. 20 HP. GEARBOX. 15310 The question of ventilation of the 20 HP. gearbox was gone into on experimental cars. We found that there is no advantage… | ||
| scan0310 | The endurance and strength test of gears in a 20 HP gearbox. | ||
| View original record | RG. from Hs/Rm. X4247 Hs/Rp3/LG7.11.28. STRENGTH OF GEARS. X5310 With reference to the endurance test to which we have subjected the gears in the 20 HP. gearbox. On the 3-speed box we ran a continuous… | ||
| scan0311 | Modifications and prints for the Goshawk II Gear Box. | ||
| View original record | To. EY from DA. c. to HS. c. HC (T prime). x.4248 x-4247 RECEIVED 17 MR 1921 Goshawk II - Gear Box. We send herewith three prints of "N" Scheme 804 shewing the rear end of the 3rd motion shaft adapted… | ||
| scan0312 | The material specification for the Goshawk gearbox second motion shaft. | ||
| View original record | RECEIVED Ms. From BY C. Mr Brooke. VI C. Hs. III C. Dg. C. Mr D'Aeth. IV C. Mr Coverley. X4249 BY15-P1.3.21. Xerus gH GOSHAWK. GEARBOX. RE SECOND MOTION SHAFT. -------------------- I had overlooked… | ||
| scan0313 | Modifications to the 20 HP second motion shafts, specifically regarding undercutting splines and part numbers. | ||
| View original record | Y4249 Stent [text has a strikethrough] c. Hs. c. Wor. [text has a strikethrough] C. McDiath. [text has a strikethrough] BY12/H. 3. 3. 25. ------------------------ 20 HP. SECOND MOTION SHAFTS.… | ||
| scan0314 | Altering piece numbers for Goshawk 11 ground gears for gearbox X.4543. | ||
| View original record | X4543 RHC. from BY/C. EFC. Wd. Mr Imeson. BY/C11/P29.8.22. GOSHAWK 11. GROUND GEARS FOR GEARBOX.X.4543. Further to our BY/C21/H24822 in which we instructed three complete sets of gears to be prepared… | ||
| scan0315 | Blue prints for the grinding of gears for the Goshawk II gearbox. | ||
| View original record | To:- Mr. Coverley. c.c. Mr. Swift. c.c. Mr. Broome. c. EWC. c. WD. X4543 BY/TWD2/GMK 4./8./22. X.4543. 'GOSHAWK II'. GEAR BOX. SECTIONS 6040: 6050, & 6070: RE. GRINDING OF GEARS: Please receive… | ||
| scan0316 | Proposal and list of drawing numbers for Goshawk II gearbox gears requiring grinding. | ||
| View original record | He X4543 AUG 25 1922 RECEIVED BY/C21/H. 24. 8. 22. RHC. c. EFC. c. WG. c. Mr. Imeson. GOSHAWK II. GROUND GEARS FOR GEAR BOX. X. 4543. With reference to the proposal to have three complete sets of… | ||
| scan0317 | Recommending the standardisation of the Goshawk gearbox. | ||
| View original record | To BY. from R. c. to Wor. Hs. X4543 R5/M10.1.23. RE. GOSHAWK GEARBOX X.4543 X.4247. The straight teeth, and the ground gears appear to make the box all that can be expected. I think these should be… | ||
| scan0318 | Decision between spiral continuous gears and ground continuous gears for the Goshawk model. | ||
| View original record | X4543 Hs. BY4-P7.2.23. RECEIVED 7 FEB 1923 GOSHAWK 11. CONTINUOUS GEARS. I wish to confirm that it is most important that we settle up definitely by Monday morning next whether we continue the balance… | ||
| scan0319 | Circulating standardisation sheet X.4543 regarding the use of ground gears in place of helical gears for continuous gears in the gearbox. | ||
| View original record | To CJ. and BJ. from Hs. c. to R. c. to tp [struck through] c. to Wor. c. to Rg. c. to Dn. c. to BY. c. to EP. c. to PN. X4543 [handwritten] ORIGINAL [underlined] Hs/LG9.3.23. STANDARDISATION SHEET.… | ||
| scan0320 | Standardisation of chassis parts, proposing ground gears in place of helical gears in the gearbox to improve silence. | ||
| View original record | R R 755 (5 H) S H 268, 29-9-20) G 2354 COMPLETED 6.3.23 STANDARDISATION of CHASSIS PARTS. Description of Parts. Ground Gears in place of Helical for continuous gears in Gear Box. Origin. To improve… | ||
| scan0321 | Standardisation of chassis parts by replacing helical with ground gears for continuous gears in the gearbox. | ||
| View original record | C O P Y. Hs. STANDARDISATION OF CHASSIS PARTS. GROUND GEARS IN PLACE OF HELICAL, FOR CONTINUOUS GEARS IN GEARBOX. Please receive herewith Std. Sheet X.4543, with costs filled in. X There are 500 sets… | ||
| scan0322 | Proposal to test 40/50 and 20HP ground bevel gears for quietness in a standard body car. | ||
| View original record | Mr Shaw. c. Hs. X4543 BY2-P30.10.23. 1 RE GROUND BEVEL GEARS. X4543 Y3426 In discussing the question of the two Axles fitted respectively with 40/50 ground gears and 20HP ground gears, Hs, would like… | ||
| scan0323 | The process of instructing the Drawing and Order Offices regarding ground gears. | ||
| View original record | X4543 Roy. c. Hs. c. Ws. BY/C3/H. 17. 12. 23. RE GROUND GEARS. In reply to Royl/MG. 14. 12. 23. we have instructed the Drawing Office to advise the Order Office of any gears which we may instruct… | ||