Rolls-Royce Archives
| Identifier | Entry | ||
| Scan0 | The discharge capacity and voltage tests of a sample Nickel-Iron (NI-FE) battery cell. | ||
| View original record | R.R. 235A (100 T) (S H. 159. 11-8-20) G. 2800 ORIGINAL. To R. from EFC. C. to CJ. EFC1/S1.1.21. X.3727. NI-FE BATTERY. We are sending to you under separate cover a sample cell similar to those of the… | ||
| Scan1 | Test results detailing the discharge rate, voltage drop, and capacity of a 10-cell battery. | ||
| View original record | Contd. -2- EFC1/S1.1.21. On the 10 ampere rate of discharge the voltage started at 12.9 and fell to 10.0 in 5¾ hours giving 57.5 ampere hours. Continuing the discharge to 6.0 volts, 63.5 ampere hours… | ||
| Scan2 | Considering alternative American-made magnetos for the 40/50 chassis due to issues with the standard part. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to EP. c. to PN. c. to Da. c. to By. c. to EWT. for R.R.Inc. [Handwritten Notes] 40/50 DEVT MAGS EFCL/T1.1.21. Comparisons Watford NBC? POLICY RR/HA mf EFC… | ||
| Scan3 | The standardisation and testing of magnetos for U.S.A. and Derby-built cars, comparing them to the R. Bosch Z.R.6 model. | ||
| View original record | Contd. -2- EFC1/T1.1.21 We assume that the principle still holds that the magnetos on the cars produced in U.S.A. must be identical with those on cars produced at Derby. Hence, the standardisation of… | ||
| Scan4 | The investigation and testing of magnetos from various companies. | ||
| View original record | -3- Contd. bench testing work on these machines; secondly, owing to the great pressure of other work in the general Expl. Dept. and the few experimental cars available for such tests. X.4181 (2) The… | ||
| Scan6 | The 'Radamax' Plug Tester instrument, detailing its construction and operating principles. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to By. c. to EP. c. to Ba. c. to PN. c. to EWT. for R.R. Inc. ORIGINAL. EFC1/T7.1.21. X.4294 - "RADAMAX" PLUG TESTER. We recently received from Messrs. Smith &… | ||
| Scan7 | Experiments with a 'Radamax' spark plug tester, analyzing spark characteristics under various conditions. | ||
| View original record | Contd. -2- EFC1/T7.1.21. progressively until no spark appears. Hence the brightness of the spark seen through the sight-hole is an indication of the extent to which the voltage rises at the sparking… | ||
| Scan8 | Evaluation of the 'Radamax' plug tester, discussing its functionality, performance, and price. | ||
| View original record | Contd. -3- EFC1/T7.1.21. position than normally. This is due to the effect of the capacity placed (through the sight hole gap) in parallel with the main gap. The above observations were taken using a… | ||
| Scan9 | Procedure for a 'utility' test of a spark coil or magneto. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to PN. c. to By. c. to EP. c. to Da. c. to EWT. for R.R.Inc. ORIGINAL X.3199 - "UTILITY" TEST OF SPARK COIL, OR MAGNETO. This was referred to in our report… | ||
| Scan10 | Page from a report on comparative utility tests between a magneto and a battery ignition system, discussing spark performance and leakage paths. | ||
| View original record | Contd. -2- EFC2/T7.1.21 (c) As (b) but both primaries are now short circuited. (d) The secondary of one coil only is connected across the gap and its primary short circuited. Thus we have four stages… | ||
| Scan11 | Comparative sparking test results for a Watford E.6 magneto and a standard battery ignition system on a utility test. | ||
| View original record | X.2375. X.3129. 21.12.20. COMPARATIVE SPARKING OF WATFORD E.6 MAGNETO AND R.R. STANDARD BATTERY IGNITION ON UTILITY TEST. | Nature of leakage. | Maximum spark length (mm) for regular firing on one of… | ||
| Scan12 | Effect of an auxiliary external gap on improving sparking in battery ignition systems under adverse conditions. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to PN. c. to EP. c. to Da. c. to By. c. to EWT. for R. R. Inc. ORIGINAL. EFC7/T7.1.21. X.3199 - BATTERY IGNITION - GENERAL. EFFECT OF AUXILIARY GAP IN ENHANCING… | ||
| Scan13 | Continued memo discussing heating and speed related to the position of brushes in a shunt wound condition. | ||
| View original record | Contd. -2- EFC1/T8.1.21. of interest to record these as it shows how much more the heating for the same output is when the brushes are in the exact neutral position. This is not the shunt wound… | ||
| Scan14 | Table showing the results of comparative heating tests on armature reaction controlled dynamos at constant output. | ||
| View original record | R.R. 235A (100 T) (S.H. 159, 11-8-20) G. 2800 X. 294. COMPARATIVE HEATING TESTS OF ARMATURE REACTION CONTROLLED DYNAMOS AT CONSTANT OUTPUT. Table of final conditions :- (after about 5 hours). |… | ||
| Scan16 | Test report on the effect of an auxiliary gap in improving ignition coil sparking. | ||
| View original record | 88261. EFC. 31.12.20. X.3199 - EFFECT OF AUXILIARY GAP IN IMPROVING IGNITION COIL SPARKING. To carry out this test with various main gap leakages, a variable gap was placed in series with one of the… | ||
| Scan17 | Preference for separate starter motors and dynamos over combined units for simplicity and ease of repair. | ||
| View original record | To CL. from R. [strikethrough text] R.R. of America, Inc. (For the attention of C.F.) ORIGINAL H3/G10/1/21. D 12 JAN 1921 RECEIVED X.4216 X.294 X.543 X.3371 RE STARTING AND LIGHTING SCHEMES. I have… | ||
| Scan18 | The performances of shunt wound dynamos suitable for external regulator control. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to PN. c. to By. c. to EP. c. to Da. c. to EWT. for R.R. Inc. ORIGINAL. X.294 - PERFORMANCES OF SHUNT WOUND DYNAMOS SUITABLE FOR EXTERNAL REGULATOR CONTROL.… | ||
| Scan19 | Page detailing the methodology for comparative heating tests on various dynamos. | ||
| View original record | Contd. -2- EFC3/T11.1.21. HEATING TESTS. The open circuit volt-speed curves cold and hot and the ampere-speed curves cold and hot do not define the electrical performance of a machine completely, but… | ||
| Scan20 | Comparison of the performance, overheating, and design characteristics of various dynamos, including Westinghouse, Bosch, and Rotax models. | ||
| View original record | Contd. -3- EFC3/T11.1.21. in the speed curves and applies only to Westinghouse, Smith 2D, Bijur and Bosch, but it was only the Westinghouse, Bijur and Bosch that were able to attain a nearly steady… | ||
| Scan21 | Comparative heating tests and weights of various shunt-wound dynamos. | ||
| View original record | R.R.285a (100 T) (S.H 159, 11-8-20) G. 2800 X.294. COMPARATIVE HEATING TESTS OF SHUNT-WOUND DYNAMOS AT CONSTANT OUTPUT. TABLE OF FINAL CONDITIONS. (After 3 or 4 hours running) Out-put [Test 1] 9 amps.… | ||
| Scan23 | Graph comparing the heating tests of three different plain shunt dynamos over time. | ||
| View original record | COMPARATIVE HEATING TESTS OF PLAIN SHUNT DYNAMOS. SMITH A SMITH 2D WESTINGHOUSE Speeds adjusted to constant outputs First stage 9amps at 14.6 volts. Second stage 12amps at 15.0 volts SMITH A. TEMP. BY… | ||
| Scan25 | Effect of an auxiliary gap in battery ignition systems to enhance sparking under adverse conditions. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to PN. c. to Da. c. to By. c. to EP. c. to EWT. for R. R. Inc. ORIGINAL. X.3129. BATTERY IGNITION - GENERAL. EFFECT OF AUXILIARY GAP IN ENHANCING SPARKING AT THE… | ||
| Scan26 | Magneto design, testing a B.T.H. 6-cylinder magneto, and a book on ignition. | ||
| View original record | Contd. -2- EFC1/T12.1.21. adopted in magneto design, then the improvement is most marked when the external conditions are sufficiently adverse as to affect seriously the operation of the spark… | ||
| Scan27 | Correspondence regarding the trial and evaluation of Lopdell water pipe clips. | ||
| View original record | ORIGINAL To EP From Hs/TMW. c to Da. Hs/TMW/LG14.1.21. X4322. RE. LOPDELL WATER PIPE CLIPS. We return herewith two Lopdell Clips together with correspondence referring to this matter. Although these… | ||
| Scan28 | Examination of a pre-war Bosch combined switchbox, ammeter, cut-out, and regulator. | ||
| View original record | To R. from EFB. c. to CJ. c. to E. c. to Da. ORIGINAL X.3795 - PRE-WAR BOSCH COMBINED SWITCHBOX, AMMETER, CUT-OUT AND REGULATOR. We are sending to you under separate cover one of the above instruments… | ||
| Scan29 | Explanation of the electrical system's operation, detailing the function of various switch positions. | ||
| View original record | R.R. 285A-(100 T) (S.H 798. 10-12-20) G. 2947 Contd. -2- EFC1/T21.1.21. (1) The battery is only connected to the system by the right hand switch when desired. (2) In the "off" position of the right… | ||
| Scan30 | Continued report on the electrical operation and component analysis of a dynamo, regulator, and switch system. | ||
| View original record | Contd. -3- regulator armature arm when this is drawn into the extreme upper most position. From this point onwards electrically the circuit passes through a shunt winding and is then brought to the… | ||
| Scan31 | Notes on diagram conventions for experimental test instruments and a keyless lock for switches and regulator adjustment. | ||
| View original record | Contd. -4- EFC1/T21.1.21. (12) On our diagram the dotted connections represent the instruments addedfor experimental test. (13) It will be noticed that a lock is provided for the switches, but we have… | ||
| Scan32 | Testing of tungsten points taken from Liberty ignition systems. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. ORIGINAL EFC7/T21.1.21. X.2894 - TUNGSTEN POINTS TAKEN FROM LIBERTY IGNITION. Please find attached copy of my assistant's report on a pair of tungsten points taken… | ||
| Scan33 | 390-hour test of Liberty Tungsten contact points in a battery ignition system. | ||
| View original record | 88274. 21.1.21. A.A.40. EFC. --- X.2894 - LIBERTY TUNGSTEN CONTACT POINTS ON R.R. BATTERY IGNITION. A pair of tungsten contact points taken from Liberty ignition system and fitted to an R.R. standard… | ||
| Scan34 | Defects and sparking observed in tungsten points from the Independent Lamp and Wire Co. | ||
| View original record | -2- Contd. A pair of tungsten points by the Independent Lamp and Wire Co., which have been run on a car, showed the same defects to a greater degree. These were of smaller diameter then the Liberty… | ||
| Scan35 | Leakage of charge test conducted on a standard 12-volt battery over a three-month period. | ||
| View original record | To R. from EFC, c. to CJ. c. to E. c. to By. c. to Da. c. to EP. c. to PN. c. to EWT. for R.R.Inc. ORIGINAL X.3980 - LEAKAGE OF CHARGE TEST OF STANDARD X604 CHLORIDE 6 BXE 5 12 VOLT BATTERY. For the… | ||
| Scan36 | Plan to fully charge and test a modified battery over a six-month period. | ||
| View original record | -2- Contd. EFC3/T24.1.21. We will, therefore, now fully charge a complete battery with the latest modifications, e.g. ebonite separators, and two separate cells and stand these for an interval of six… | ||
| Scan37 | The unsatisfactory results of bench tests for two sets of tungsten contact points for magnetos. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to Ds. c. to PN. c. to By. c. to EP. c. to EWT. for R.R. Inc. ORIGINAL 41 EFC2/T25.1.21. X.2894 - TUNGSTEN CONTACT POINTS FOR MAGNETOS. We have experimentally… | ||
| Scan38 | The vibration and life tests of various lamp bulbs. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to By. c. to Da. c. to PN. c. to EP. c. to Bn. c. to EWT. for R.R. Inc. ORIGINAL EFCl/T25.1.21. +6 X.1114 X.1369 X.3959 - VIBRATION AND LIFE TESTS OF LAMP BULBS.… | ||
| Scan39 | Results of a lamp failure test under specific vibration and voltage conditions. | ||
| View original record | 21 EFC1/T25.1.12. -2- Contd. The conditions of the test were as follows :- Volts 13.0 to 14.0 Vibrations = 100 per minute. Drop 1/16" on to rubber pad. The results of this test were as follows :-… | ||
| Scan40 | Continued report on vibration and life tests for various headlamp bulbs and holders. | ||
| View original record | Contd. -3- Note:- After failure No.6, the voltage was increased to about 14.8. Discounting failures Nos. 2, 4, 5 and 11, which were really due to the holders, it would appear that the Royal Ediswan… | ||
| Scan41 | Lamp failure tests, detailing bulb types, hours run, and the nature of the failures. | ||
| View original record | -4- Contd. | Failure No. | Lamp falling. | No. of hrs. run. | Nature of failure. | Remarks. |… | ||
| Scan42 | Reliability of new half-watt lamps from B.T.H. Co. and their recommendation for use in chassis headlamps. | ||
| View original record | R.R. 235A (100 T) (S.H. 798, 10-12-20) G. 2047 Contd. -5- EFC1/T25.1.21. One can say that the half watt lamps we are at present receiving from the B.T.H. Co. are at least as reliable as ordinary… | ||
| Scan43 | Preliminary report on the Conner C.M.1 Magneto and a proposal to test it on an experimental car. | ||
| View original record | R.R. 235B (100 T) (S.H. 89, 22-7-20) G 2769 To R. from EFC. c. to CJ. c. to E. c. to PN. c. to Bn. c. to Da. c. to EP. c. to By. c. to EWT. for R.R. Inc. ORIGINAL EFC1/T27.1.21. X.4210. CONNER C.M.1… | ||
| Scan44 | Preliminary report on the Conner Magneto C.M.1. | ||
| View original record | R.R. 235A (100 T) (S.H. 159. 11-8-20) G. 2800 EFC. P.A.58 Jan. 24th 1921. X.4210 - PRELIMINARY REPORT ON CONNER MAGNETO C.M.1. This machine is strongly made and has a well finished appearance, with a… | ||
| Scan45 | Description of a pole-shoe arrangement and distributor gear wheel for an electrical ignition component. | ||
| View original record | P.A.38. -2- Contd. the main body of the shoe. Encircling the section where the extension widens out into the main shoe, is fixed a thick rectangular band or collar. This arrangement at low speeds… | ||
| Scan46 | The bench testing of various materials for distributor sparking points in a battery ignition system. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to PN. c. to Bn. c. to Da. c. to By. c. to EP. c. to EWT. for R.R. Inc. ORIGINAL. 5 EFC6/T28.1.21. -q X.3309 - DISTRIBUTOR SPARKING POINTS OF VARIOUS MATERIALS… | ||
| Scan47 | Continued memorandum detailing the markings for different types of sparking points and a proposed test. | ||
| View original record | Contd. -2- EFC6/T28.1.21. The stainless steel sparking points are marked SS and the rotor marked "Stainless" as with "Silver" above. The nickel-brass points are marked NB and NB is marked on the side… | ||
| Scan48 | Bench tests of various materials for distributor sparking points in a battery ignition system. | ||
| View original record | EFC. A.A.43. 88284. X. 3309 - DISTRIBUTOR SPARKING POINTS OF VARIOUS MATERIALS FOR R.R. BATTERY IGNITION. During the bench tests of tungsten contact points on the R.R. battery ignition, a number of… | ||
| Scan49 | Continued analysis of material wear on distributor components made from Nichrome, Nickel-Brass, and Nickel. | ||
| View original record | 88286, -2- Contd. was and is covered with a dark deposit, but which can be easily rubbed off. The copper mounting has also turn dull. Nichrome. The points are blackened at the centre but have not… | ||
| Scan50 | Requesting Mr. Royce to return items for an additional 100 hours of running. | ||
| View original record | -3- Contd. for another period of possibly 100 hours. If so, perhaps Mr. Royce would kindly return these, when additional running will be carried out. F.J.A. | ||
| Scan51 | Testing distributor sparking points of various materials for a battery ignition system. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to PN. c. to Bn. c. to Da. c. to By. c. to EP. c. to EWT. for R.R. Inc. ORIGINAL X.3309. - DISTRIBUTOR SPARKING POINTS OF VARIOUS MATERIALS FOR R.R. BATTERY… | ||
| Scan52 | Description of markings for different metal sparking points on a distributor rotor for testing. | ||
| View original record | Contd. -2- The stainless steel sparking points are marked SS and the rotor marked "Stainless" as with "Silver above. The Nickel-brass points are marked NB and NB is marked on the side of the rotor.… | ||
| Scan53 | Bench tests of various materials used for distributor sparking points in a battery ignition system. | ||
| View original record | EFC. A.A. 43. 88284. X.3309. - DISTRIBUTOR SPARKING POINTS OF VARIOUS MATERIALS FOR R.R. BATTERY IGNITION. During the bench tests of tungsten contact points on the R.R. battery ignition, a number of… | ||
| Scan54 | Analysis of wear and deposits on distributor components made from various metals. | ||
| View original record | Contd. -2- slightly dull. The rotor has pitted at the leading edge and was covered with a dark deposit, but which can be easily rubbed off. The copper mounting has also turn dull. Nichrome. The points… | ||
| Scan55 | Continued memo requesting Mr. Royce to return items for an additional 100-hour run. | ||
| View original record | Contd. -3- or perhaps three of the better of these should be run for another period of possibly 100 hours. If so, perhaps Mr. Royce would kindly return these, when additional running will be carried… | ||
| Scan56 | Drawing No. Lec. 1327, showing the carburettor and induction pipe flanges for the 'Kite' engine. | ||
| View original record | To - D. From E. Copy to C.L. [Text struck through] EPC. [Stamp: ORIGINAL RECEIVED JAN 3 1922] 3 EA/G1/1/21. X.422Y. RE "KITE" ENGINE - INDUCTION PIPE FLANGES. We send you herewith drawing No. Lec.… | ||
| Scan57 | The 'Kite' engine crankcase arms and associated drawing Lec.1326. | ||
| View original record | To D.A. from E. Copy to C.L. [illegible] H.S. E.P.C. ORIGINAL. RECEIVED JAN 2 1922 X.4220 E3/G1/1/21. RE "KITE" ENGINE - CRANKCASE ARMS. We send you herewith drawing Lec. 1326 showing the construction… | ||
| Scan58 | Specifications and sourcing of various lamps for the lighting installation at West Wittering. | ||
| View original record | To EFC. from R. ORIGINAL. D 2 R9/GZ/1/21.1.22 X.3362 - LIGHTING INSTALLATION AT WEST WITTERING. REC'D We have received the lamps mentioned in your memo EFC3/T23/11/20, but we wanted a smaller size,… | ||
| Scan59 | Agreeing not to change the 'H' section pendulum lever on the steering column without further evidence of its necessity. | ||
| View original record | To BY from R. Copy to HS. ORIGINAL. R7/G12/1/21. 3 X/3465 RE CHASSIS - STEERING COLUMN - "H" SECTION PENDULUM LEVERS. I agree that owing to the "H" section pendulum lever being found in quite… | ||
| Scan60 | From Mr. Royce detailing a design alteration for the Goshawk I and II Dynamo and Brush Holders. | ||
| View original record | To Mr. from E. Copy to Ch. # # EPC. ORIGINAL x.3533 x.3945 RE "GOSHAWK I" and II DYNAMO AND BRUSH HOLDERS. RECEIVED Referring to the above, would you kindly note that Mr. Royce would like these to be… | ||
| Scan61 | Improvements to the 'Goshawk' steering wheel, proposing a more robust two-web design. | ||
| View original record | To DA. from R. Copy to O.J. HS W EFC.< ORIGINAL. EFC RECEIVED JAN 19 1922 X 4264 R3/G17/1/21. D 21. JAN. 1921 RECEIVED (4) RE "GOSHAWK" STEERING WHEEL. I think the pattern of our steering wheel might… | ||
| Scan62 | Request from Mr. Royce to obtain six additional small lamps for the West Wittering lighting installation. | ||
| View original record | To EFC. from Rs. ORIGINAL Rs1/G18/1/21. X.1114 RECEIVED X.3362 RE WEST WITTERING LIGHTING INSTALLATION. In addition to the lamps already on order by our memos Rs4/G23/11/20 and R9/G7/1/21, Mr. Royce… | ||
| Scan63 | Alterations made to the 'Goshawk II' frame. | ||
| View original record | To ____ from E. Copy to ____ ORIGINAL. E1/019/1/21. 3 EFC.X.4260 RE "GOSHAWK II" FRAME. With regard to Mr. Royce's memo R6/G17/1/21, and R3/G18/1/21, we send you herewith drawing Lec.1330 showing the… | ||
| Scan64 | Superseding a previous one, detailing a change in frame gauge and requesting new instructions for side channels. | ||
| View original record | To DA. from E. -2- E1/G19/1/21 Contd. memo R6/G17/1/21 is superseded by his later memo R3/G18/1/21 and the attached drawing. Also, we would point out that the 5½" bump mentioned in item (3) of the… | ||
| Scan65 | Requesting to alter the drawing number for the 'Goshawk II' Brake Actuating Gear. | ||
| View original record | To DA. from E. Copy to CJ. " " WOR. " " HS. " " EFC. ORIGINAL. D E4/G19/1/21. RECEIVED 425Y RE LEC.1321. We find that two different drawings have been sent through under the above number. Would you… | ||
| Scan66 | Blueprint for the Goshawk II change speed box. | ||
| View original record | [STAMP] ORIGINAL [STAMP] JAN 25 1921 [STAMP] RECEIVED [STAMP] RECEIVED JAN 25 1922 EFC To Dr. from E. Copy to Dr. [REDACTED] * WOR * * EFC. * EL/G20/1/21. ② X.424Y RE "GOSHAWK II" - CHANGE SPEED BOX.… | ||
| Scan67 | New scheme for the 'Goshawk' II cylinder head, referencing drawings Lec.1332 and Lec.1314. | ||
| View original record | To - B Hn From E. Copy to... X.4225. ORIGINAL. RECEIVED RE "GOSHAWK" II CYLINDER HEAD. We send you herewith drawing Lec.1332 giving details of the cylinder head rearranged for induction and exhaust… | ||
| Scan68 | Drawing Lec.1334 for the Goshawk II universal joint and a new propeller shaft design. | ||
| View original record | To DA. from E. Copy to CJ. H.S. EFC. EFC ORIGINAL RECEIVED 4 E3/G22/1/21. .X.4254 RE UNIVERSAL JOINT - "GOSHAWK II". X.4253 We send you herewith drawing Lec.1334 shewing the above. This drawing is… | ||
| Scan69 | Drawing LeC.1335 for the Water Pump and Water Pump Drive for the Goshawk II engine. | ||
| View original record | To D.A. from E. Copy to GD. HSR. EPC. ORIGINALE F C JAN 2 1922 RECEIVED E2/G22/1/21. 2 X.4231 RE WATER PUMP AND WATER PUMP DRIVE FOR "GOSHAWK II" We send you herewith drawing LeC.1335 shewing the… | ||
| Scan70 | The requirement for a screw pattern grease syringe to be included in the vehicle tool kit. | ||
| View original record | To HS. from R. Copy to CJ. " " WOR. " " WD. " " DA. X.3634 RE GREASE PUMP. ORIGINAL EFC D R3/G24/1/21. 6 For many months I have been trying to get a grease syringe suitable for connecting to our small… | ||
| Scan71 | Request for a further supply of smaller C.P. lamps for an installation at West Wittering. | ||
| View original record | ORIGINAL. To EFC. from R. R8/G24/1/21. 8 X.3362 RE SMALLER C.P. LAMPS FOR WEST WITTERING. X.1114 Our little installation here has been such a wonderful boon and for its size the greatest value of any… | ||
| Scan72 | Alterations to the 'Goshawk 11' side channel to suit different front springs and increase its width. | ||
| View original record | To DA. From E. E.P.C. ORIGINAL. 3 E2/G24/1/21. X.4260 RE "GOSHAWK 11" SIDE CHANNEL. In accordance with our telegram of even date, copy of which is attached, we send you herewith drawing L&C.1338… | ||
| Scan73 | Providing a drawing and performance data for 'Goshawk 11' valve springs. | ||
| View original record | TO DA. from E. Copy to CG. [struck through] H.S. [struck through] EFC. [struck through] ORIGINAL. E2/G25/1/21. 3 EFC. X4226 RE "GOSHAWK 11" VALVE SPRINGS. We send you herewith drawing No.Lec.1337… | ||
| Scan74 | Mr. Royce's instructions for modifications to the 'Goshawk I' brake gear arrangement, scheme 724. | ||
| View original record | To BA. from E. Copy to CJ. " " WOR. " " WFC. [Stamp: ORIGINAL] [Stamp: 27 JAN 1921] [Stamp: RECEIVED] [Circular Stamp: EFCG X.3568] E3/G26/1/21. THE "GOSHAWK I" - ARRANGEMENT OF BRAKE GEAR - N.SCHEME… | ||
| Scan75 | Alterations to the 'Goshawk II' third cross member, referencing an attached blueprint with Mr. Royce's instructions. | ||
| View original record | To RA. from E. COPY EPC. ORIGINAL EL/026/1/21. 3 X.4260 RE "GOSHAWK II" THIRD CROSS MEMBER - N.SCHEME 671. Referring to the above scheme, we attach herewith blue print shewing pencil drawing sketched… | ||
| Scan76 | List of points of criticism from Mr. Royce regarding the 'Goshawk II' steering and front spring shackle scheme. | ||
| View original record | To-from from E. Copy E.P.C. X.4263 ORIGINAL. E2/G26/1/21. 8 RE "GOSHAWK II" STEERING AND FRONT SPRING SHACKLE - N. SCHEME 699. Referring to the above scheme, would you kindly note the following points… | ||
| Scan77 | Design specifications for the Goshawk I & II steering wheel. | ||
| View original record | TO DA. from E. Copy to SCL. " " EFC. X.3540 " " X.4264 ORIGINAL RECEIVED 28 JAN 1929 E2/G27/1/21. RE STEERING WHEEL, "GOSHAWK I & II". RECEIVED Referring to N. Scheme 732, would you kindly note the… | ||
| Scan78 | Design and manufacturing process for front and rear dumb irons on the 'Goshawk II'. | ||
| View original record | To E.F.G. from R.C.W. JAN 29 1922 E.F.G. REC'D X.4060 ORIGINAL. RE FRONT AND REAR DUMB IRONS - "GOSHAWK II". N. SCHEME 689. Referring to the above, we send you herewith drawing No. 39 showing how Mr.… | ||
| Scan79 | Design modifications for the front axle, spring links, and rear dumb irons. | ||
| View original record | To DA. from E. -2- E1/G27/1/21 Contd. Mr. Royce would like you to make a scheme of this suggestion. This drawing also shews that the front axle requires dropping a little more until the face of the… | ||
| Scan80 | Requesting instructions for Goshawk II engine cams based on Goshawk I valve lift curves. | ||
| View original record | ORIGINAL ES/G27/A/21. 3 To: Dr. from E. [Dr. is struck through] Copy to N.L. [Struck through] E.H. [Struck through] R.W. [Struck through] EFC.X.4229 RE "GOSHAWK II" CAMS. Will you kindly instruct for… | ||
| Scan81 | From 'E' detailing Mr. Royce's requested design change for the 'Goshawk II' cross steering joint sleeve. | ||
| View original record | To DA. from E. G.H. [crossed out] C.J. [crossed out] H.B. [crossed out] H.T. [crossed out] E.F.C. [crossed out] X 4263 ORIGINAL RE "GOSHAWK II" - ARRANGEMENT OF FRONT AXLE AND CROSS STEERING TUBE.… | ||
| Scan82 | The decision to increase the length of the rear road springs for the 'Goshawk II' model. | ||
| View original record | To Dst: from E. Copy to Ch. EFC. X4262 RE "GOSHAWK II" SIDE CHANNELS AND REAR SPRINGS ORIGINAL. E3/029/1/21. 3 Owing to the difficulty of designing a sufficiently flexible rear road spring which will… | ||
| Scan83 | From E. discussing Mr. Royce's feedback on the rear axle tube design for the 'Goshawk II'. | ||
| View original record | To D.M. from E. Copy to [illegible] ORIGINAL. 31 JAN 1921 RECEIVED EFC JAN 1922 RECEIVED. EFC/029/1/21. 3 X.4256 RE AXLE TUBE AND REAR WHEEL DRIVER - "GOSHAWK II". Referring to N. scheme 712, the… | ||