Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Blueprint for a combustion chamber model, detailing various sections and spark plug positioning. | ||
| View original record | CHEVROLET ENGINEERING PART NO. 0-56958 REVISIONS APV. | DATE | No. | WAS | 5-21-35 | 2 | 7 13/32 & 5 1/8 CENTER RELOCATED | 5-24-35 | 3 | DIM ADDED | 5-29-35 | 3 | 7 13/32 R & 5/8 CENTER RELOCATED |… | ||
| scan0002 | Drawing LeC.1990 which details a revised magneto coupling with a friction cone adjustment. | ||
| View original record | X8100 S E C R E T ----------- E. A. C. E1/M7.2.24. To BY. from E. c. to CJ. c. to Hs. ----------- MAGNETO COUPLING. X.8100 We send you herewith LeC.1990 shewing adjusting magneto coupling revised to… | ||
| scan0003 | Requesting suggestions for the shape and size of a mirror for viewing contact breaker points on the 40/50 model. | ||
| View original record | X8100 X.9120. To Hs. BY/SS3/DB18.8.24. RE. 40/50 (EAC.11.) DYNAMO & MAGNETO DRIVES. X8100 X.9100 X.9120 With reference to your memo. Hsl/LG13.5.24, mentioning the use of a small mirror for viewing the… | ||
| scan0004 | Proposal to adapt a friction drum type of adjustment for the magneto coupling on the EAG.2. | ||
| View original record | X8100 SECRET. To Hs. from E, c. to CJ. c. to By. E. A. C. E2/M13.1.25. MAGNETO COUPLING. X. 8100. With regard to the question of the magneto coupling on EAG.2. we are proposing to adapt the friction… | ||
| scan0005 | Revised magneto coupling designs and Mr. Royce's preferences. | ||
| View original record | X. 8100 To BY. from E. c. to CJ. HS. S E C R E T. E4/M28.1.25. E. A. C. MAGNETO DRIVE. When the revised magneto couplings for EAC. were sent to Mr. Royce they were accompanied by your blue print as a… | ||
| scan0006 | Blue-print for a taper Magneto Drive and the progress on a set of Undershields. | ||
| View original record | To E. from Hs. 48100 Hs6/LG26. 2. 25. MAGNETO DRIVE. 48100 78290 We attach herewith a blue-print of a taper Magneto Drive, sample of which I shewed to you at Le Canadel. We think it is desirable, if… | ||
| scan0007 | Secret document detailing proposed modifications to improve the oil retaining device on a dynamo drive. | ||
| View original record | 48100 R. from E. c. SS. c. Hs. c. Bv. E19/H. 3. 3. 25. SECRET. E.A.C. DYNAMO DRIVE. Please find attached blueprint LeC.2022 showing modifications for improving the oil retaining device on the above,… | ||
| scan0008 | Recommendation to try a specific scheme with a particular nut due to its sensitivity to end location. | ||
| View original record | - 2 - E19/H. 3. 3. 25. ------------------- its sensitiveness to end location. We think Scheme Fig.I. should be tried with Fig.II nut. E. | ||
| scan0009 | Secret memo regarding a drawing for a Dynamo Drive Oil Retainer. | ||
| View original record | X8100 RY c.c. OJ. c. Hs. E1/H. 4. 3. 25. SECRET. E.A.C. DYNAMO DRIVE. OIL RETAINER. We send you herewith drawing LeC. 2022, showing the scheme mentioned in our memo E19/H. 3.3.25. to R. E. | ||
| scan0010 | Modification to the dynamo drive to cure a rattle, referencing drawing LeC.2028. | ||
| View original record | To BY. from E. c. to CJ. HS. X. 8100 S E C R E T. E4/M17.3.25. E. A. C. DYNAMO DRIVE. X. 8100. The scheme given for curing the rattle in the dynamo drive as shewn on our original drawing is not quite… | ||
| scan0011 | Secret memo discussing design modifications for an anti-rattle dynamo drive. | ||
| View original record | X.8100 To BY. from E. c. to CJ. c. to Hs. S E C R E T. E1/M1.4.25. E. A. C. ANTI RATTLE DYNAMO DRIVE. X.8100 We send you herewith drawing LeC.2042 dealing with the above. The damping friction surface… | ||
| scan0012 | Secret memo regarding the design of the Dynamo Drive carrier shaft spring. | ||
| View original record | X. 8100 S E C R E T. R2/M15.4.25. To E. from R. c. to CJ. BY. HS. E. A. C. RE. DYNAMO DRIVE. I cannot understand the above requiring such a stiff spring to control the carrier shaft; it would not be… | ||
| scan0013 | Alteration document for a modified Hardy fabric coupling used for dynamo and magneto drives on aero engines. | ||
| View original record | RR 288A (10H) (Sd 72 18-7-23) MP 274954A 48100 COMPLETED 19.10.26 ALTERATIONS TO R.R. AERO ENGINE PARTS. 40/50 HP. CHASSIS. CONDOR EAGLE FALCON HAWK DATE 24.9.26 Description of Parts: MODIFIED HARDY… | ||
| scan0014 | Magneto drive slip and camshaft drive failure, with proposed solutions. | ||
| View original record | X8100 To Hs. from R. c. to BJ. RG. BY. R2/M16.10.26. MAGNETO DRIVE SLIP & CAMSHAFT DRIVE FAILURE. X.8020. X.8090 X.8100 The camshaft drive we have decided to make solid. The magneto drive coupling… | ||
| scan0015 | Requesting the creation of parts for engine mountings and a test rig adaptor, with a query about sourcing different fabric discs. | ||
| View original record | To RHC. from Hs/Rn. X 8100 Hs/Rm2/LG1 3.10.26. Attached herewith are :- X8005 (1) Sketches for a rubber bush mounting for the front of the engine. (2) Sketch for increasing the flexibility of the… | ||
| scan0016 | To Mr. Hancock regarding the Dynamo Drive - Damping Brake. | ||
| View original record | Mr Hancock. X8100 DYNAMO DRIVE - DAMPING BRAKE. The Ferobestos "D" piece E.53098 is actually standard on chassis, and has been for some time. The combined scheme which gave you trouble has not been… | ||
| scan0017 | Lubrication issue with the Phantom ignition control countershaft lever. | ||
| View original record | 78100 Hs/AJL/LG31.5.27. 78685 PHANTOM IGNITION CONTROLS. We have recently had two cases of the magneto control countershaft lever seizing up on its pin owing to lack of lubrication. The effect of this… | ||
| scan0018 | Sports Phantom magneto bracket, noting a change in tilt angle. | ||
| View original record | BY. from E. c. to BJ. Hs. X. 8100 E2/M13.10.27. SPORTS PHANTOM MAGNETO BRACKET. We send you herewith LeC.2474 magneto bracket for sports Phantom. Will you please note that the magneto is tilted 12°… | ||
| scan0019 | Design options for the dynamo drive due to pressure of work. | ||
| View original record | E. BY. HS. from R. X8100 R5/M21.1.28. RE. DYNAMO DRIVE. LeC. 2501 X. 8100 Owing to pressure of work and anxiety to get the above on the road, would it not be better to let the serrated drive do for… | ||
| scan0020 | Positioning of the EAC.10 Magneto Drive in relation to the Phantom model. | ||
| View original record | R. from E. c. to BJ. Hs. BY. X8100 E2/M22. 2.23. EAC.10 MAGNETO DRIVE. X.7100 X.8100 We send herewith blueprint of LeC.2516 shewing instructions sent to Derby for the above. The position of the… | ||
| scan0021 | Page 2 of a memo regarding a spring and ball thrust mechanism used to manage water leakage. | ||
| View original record | contd :- -2- to carry away any leakage of water. A spring and ball thrust is used on the inner end in the oil of the drive casing to apply the end pressure. We return herewith the papers which… | ||
| scan0022 | Sales brochure for the Maybach 12 Cylinder Type Zeppelin, with a list of branch offices and agencies. | ||
| View original record | Any of the following branch offices and agents will gladly furnish any additional information that may be desired, or give a demonstration which is without obligation: MAYBACH-MOTORENBAU G. m. b. H.… | ||
| scan0023 | Specification page for the Maybach 12 Type Zeppelin car detailing its springs, brakes, instruments, and body styles. | ||
| View original record | SPRINGS Extra long semi-elliptic springs, packed in grease tight leather covers, recoil controlled by hydraulic shock absorbers. Perfect riding qualities at all speeds on any kind of roads. The… | ||
| scan0024 | Promotional brochure for the Maybach 12 Type Zeppelin car, detailing its features and specifications. | ||
| View original record | THE NEW "MAYBACH 12" TYPE ZEPPELIN Those experiences gained in the construction and operation of the 12 cylinder airship engines of the "Graf Zeppelin" have been applied to the expert knowledge of… | ||
| scan0025 | New design scheme for a throttle governor after a previous version was cancelled. | ||
| View original record | X. 9140 X8140 To CJ. BJ. RG. DA. E. HS. BY. PN. EP. H. FROM R. S E C R E T. R1/14.6.24. E. A. C. X8140 THROTTLE GOVERNOR. X.9140 I did not think anyone appreciated the advantage of the governor so… | ||
| scan0026 | Of a throttle governor scheme and the required alterations. | ||
| View original record | X8140 To BY. from E. c. to CJ. HS. SECRET. E2/M6.6.24. E. A. C. 2. THROTTLE GOVERNOR. X.9140 X8140 We send you herewith LeC.1883 shewing the above. This scheme is complete as far as the governor and… | ||
| scan0027 | Test on engine throttle movement and the resulting horsepower at various RPMs. | ||
| View original record | B.R. 498A (20H) (D.A. 652 20-2-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. 8140 REF: Hs1/LG26.6.24. To E. from Hs. S E C R E T. EAC. THROTTLE MOVEMENT. X8140 We have carried out a test with 1/5th.… | ||
| scan0028 | Alterations to engine controls for the addition of a throttle governor, referencing specific drawings and requesting a new spring. | ||
| View original record | To BY. from E. c. to CJ. Hs. X8190 SECRET. E1/M30.6.24. E.A.C.11. ENGINE CONTROLS. X.8240 X.9140 X8190 We send herewith drawings Nos.LeC.1886/1887/1889., dealing with the alterations to the… | ||
| scan0029 | Alterations for the addition of a throttle governor carburetter, referencing drawing No.LeC.1888. | ||
| View original record | To BY. from E. c. to CJ. HS. SECRET. X8140 E2/M1.7.24. E.A.C.11. X8240 X8140 ENGINE CONTROLS. ALTERATIONS FOR ADDITION OF THROTTLE GOVERNOR CARB. SIDE OF ENGINE. X.9240 X.9140 We send you herewith… | ||
| scan0030 | Requesting a critique of a report on the EAC Throttle Governor and its comparison to the 40/50 HP model. | ||
| View original record | X8140 To E. from Hs. Hs5/LGS.1.25. EAC. THROTTLE GOVERNOR. Attached is a report from Rm. in connection with the EAC. Throttle Governor. We know that the Sales Dept. will make critical comparisons… | ||
| scan0031 | Comparison of the functioning of the EAC and 40/50 HP throttle governors. | ||
| View original record | E.A.C. THROTTLE GOVERNOR. Attached is a general comparison of the functioning of EAC. and 40/50 HP. throttle governors respectively, and a particular comparison for the two governors using the figures… | ||
| scan0032 | Mathematical analysis of the behavior of 40/50 & EAC governors. | ||
| View original record | -2- GENERAL. RESPECTIVE BEHAVIOUR OF 40/50 & EAC. GOVERNORS. Let engine r.p.m. be n. R.P.M. pull from governor be X lbs. " " " spring x lbs. Rating of " " " p lbs/1". Let engine revs. fall by r.… | ||
| scan0033 | Comparison of the EAC and 40/50 throttle governors, detailing their respective pull, movement, and performance characteristics. | ||
| View original record | -3- PARTICULAR. COMPARISON OF EAC. & 40/50 THROTTLE GOVERNOR. EAC. 1000 r.p.m. Governor pull 5.75. 900 r.p.m. Governor pull 4.5. Decrease 1.25 lbs. 40/50. 1000 r.p.m. Governor pull 2.5 900 r.p.m.… | ||
| scan0034 | Comparison of governor sensitivity and the mechanics of springs required for adjustment. | ||
| View original record | -4- which in the extreme case only increases the throttle opening by 1/240 of the total range, a hardly appreciable amount. Now upon another occasion the governor is set to give a speed of 30 m.p.h.… | ||
| scan0035 | The inconsistency of the governor's performance at reasonable road speeds. | ||
| View original record | -5- INCONSISTENCY OF GOVERNOR AT REASONABLE ROAD SPEEDS. This is due to the EAC. governor being considerably more powerful than that of the 40/50 HP. and at the same time the same operating spring… | ||
| scan0036 | Technical note on the tendencies and performance of the 40/50 type governor throttle. | ||
| View original record | -6- with the 40/50 full throttle would be available. The car speed will therefore fall off when the slightest gradient is encountered due to the governor controlled range being limited to 15º. 40/50… | ||
| scan0037 | Recommendations for alterations to the EAC throttle governor, including diagrams. | ||
| View original record | -7- RECOMMENDATIONS FOR EAC. THROTTLE GOVERNOR ALTERATIONS. Taking the 40/50 HP. governor performance as being the ideal in view, we recommend :- (1) That the formation of the cam should be altered… | ||
| scan0038 | Secret memo discussing the design of the throttle governor for the EAC model, comparing it to the 40/50 chassis. | ||
| View original record | X. 8140 To Hs. from E. S E C R E T. E1/M12.1.25. c. to CJ. E. A. C. RE. THROTTLE GOVERNOR. X. 8140 In considering the governor question on the EAC. and 40/50 Chassis, the biggest and most important… | ||
| scan0039 | Data sheet with graphs showing performance characteristics of the E.A.C. Throttle Governor. | ||
| View original record | E.A.C. THROTTLE GOVERNOR DATA GOVERNOR PULLS TAKEN AT THE END OF LEVERS. E.72643 & E.1018 LBS PULL AT LEVER EXTREMITY ENGINE R.P.M. MEAN GOVERNOR CURVE E.A.C. MEAN GOVERNOR CURVE 40/50 ENGINE RUNNING… | ||
| scan0040 | Trial and implementation of a direct governor control butterfly throttle. | ||
| View original record | To RHC. from Hs/Rm. 48140 Hs/Rml/LG29.1.25. DIRECT GOVERNOR CONTROL BUTTERFLY THROTTLE. We should like, if possible, to give this arrangement a fair trial, as it was reasonably satisfactory as rigged… | ||
| scan0041 | Analysing issues with the EAC throttle governor's heavy hand control. | ||
| View original record | To BY. from Hs/Rm. 48140 Hs/Rm1/LG9.2.25. EAC. THROTTLE GOVERNOR. A source of complaint on this governor since its inception, has been that in order to obtain reasonable high road speeds, a heavy load… | ||
| scan0042 | The mechanics of a throttle controlling spring, butterfly throttle, and governor control. | ||
| View original record | contd :- -2- required from the controlling spring to open the throttle through 40°, even when the governor is not in operation. The actual couple required to start closing the butterfly throttle from… | ||
| scan0043 | Specifying the requirements for a torsional spring for a throttle governor. | ||
| View original record | To BY/SS. from Hs/Rm. X8140 Hs/Rml/LG11.2.25. THROTTLE GOVERNOR. We require a torsional spring to be fitted on lever E.72643 to return the Camshaft. When fitted up so that the throttle closes… | ||
| scan0044 | Graph comparing new and existing throttle governor cams based on angular movement and throttle opening. | ||
| View original record | DIVISIONS ON CAM X8140 ANGULAR MOVEMENT OF THROTTLE IN DEGREES 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 THROTTLE OPENING IN INCHES 0 .020 .040 .060 .080 .100 .120 .140 .160 .180 .200… | ||
| scan0045 | New design for the throttle governor and requesting valve opening information. | ||
| View original record | X. 8140 To HS. from E. S E C R E T. E4/M28. 2. 25. c. to CJ. E. A. C. THROTTLE GOVERNOR. X. 8140 Regarding the question of providing an adjustment between the throttle governor cam and the throttle… | ||
| scan0046 | Secret memo detailing a modification to the E.A.C. Adjustable Throttle Lever, referencing drawing LsC.2011. | ||
| View original record | 18140 Secret. ----- BY. SJ. c. Hs. ----- E17/H. 3. 3. 25. E.A.C. ADJUSTABLE THROTTLE LEVER. ------------------------------- We send you herewith drawing LsC.2011 dealing with the above. It will be… | ||
| scan0047 | Requesting the design of a new butterfly throttle closing spring. | ||
| View original record | To BY/SS. from Hs/R m. 48140 Hs/Rm1/LG16.3.25. BUTTERFLY THROTTLE CLOSING SPRINGS. We require a spring to close the butterfly throttle to go with E's new scheme. We are taking as a basis the 20 HP.… | ||
| scan0048 | Modification to a throttle governor, focusing on the selection of a spring with a different load rating. | ||
| View original record | S E C R E T To BY. from E. c. to CJ. c. to Hs. E. A. C. E5/M20.3.25. THROTTLE GOVERNOR. X.8140. We send herewith drawing LeC.2034. shewing the permanent modification to the above. We have already… | ||
| scan0049 | Secret memo discussing modifications and issues with a throttle governor control system. | ||
| View original record | X. 8140 To E. from R. c. to CJ. RG. c. to DA. BY. c. to HS. S E C R E T. R3/M23.3.25. THROTTLE GOVERNOR CONTROL. Regarding the above, the extra opening to 40° seems quite a lot, and is putting our… | ||
| scan0050 | Secret memo discussing the design and testing of a throttle governor control. | ||
| View original record | X. 8140 To R. from E. c. to CJ. HS. BY. S E C R E T. E. A. C. E1/M26.3.25. THROTTLE GOVERNOR CONTROL. X. 8140 In reply to your letter concerning the above would you kindly note that the governor shaft… | ||
| scan0051 | Issues with the throttle governor return spring and an anti-rattling device. | ||
| View original record | X8140 To E. from Hs. Hs3/LG28.3.25. THROTTLE GOVERNOR. X8140 We find that when we come to build up the governor [struck through] control with the new spring to return the governor, it works in the… | ||
| scan0052 | Secret memo from E. to Hs. discussing modifications to the throttle governor spring and generator drive. | ||
| View original record | X. 8140 E1/M30.3.25. To Hs. from E. S E C R E T. E. A. C. RE. THROTTLE GOVERNOR. In reply to the first part of your memo. Hs3/LG 28.3.25. which I read this morning on returning to the office, I sent… | ||
| scan0053 | Error in placing a spring for the throttle camshaft, requesting a modified spring be fitted and tested. | ||
| View original record | c. to Hs. X810 BY/SS2/DB.30.3.25. Re EAC.VI - Throttle Governor. With reference to the error made in placing the spring for returning the throttle camshaft, will you please fit Spring E.50295 (20HP… | ||
| scan0054 | Blueprint scheme for a return spring on a throttle governor. | ||
| View original record | SCHEME 632 SPRING E50295 WITH 3 COILS CUT OFF TO BE TRIED LOAD WIEGHTS CLOSED 2 LBS LOAD WIEGHTS OPEN 10 OZS RETURN SPRING (THROTTLE GOVERNOR) EAC VI ROLLS ROYCE, LIMITED PRINT ROOM 30 MAR. 25 DERBY | ||
| scan0055 | Proposed modification to the 'V' Series accelerator control to address wear issues and ensure full throttle movement. | ||
| View original record | To Hs. from E. c. to CJ. BY. S E C R E T. Y8140 E5/M3.4.25. 'V' SERIES. X. 8140 ACCELERATOR CONTROL. X. 8470 X. 8240 With regard to the complaint that the accelerator control wears and prevents the… | ||
| scan0056 | Tests and alterations made to an E.A.C. throttle governor to improve its performance. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF Hs/Rm/LG21.4.25. E.A.C. THROTTLE GOVERNOR. We have carried out a number of tests on this unit to induce its performance to… | ||
| scan0057 | Butterfly throttle load issues at low speeds and potential solutions involving control levers. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. REF. Hs/Rm/LG21.4.25. butterfly throttle at low speeds due to unbalanced suction. An additional cause of load on the hand… | ||
| scan0058 | Investigating high-speed lag, attributing it to camshaft friction and proposing solutions like ball bearings. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -3- Expl. No. REF Hs/Rm/LG21.4.25. a considerable lag at high speeds. The fact that the lag was at high speeds, where the throttle… | ||
| scan0059 | Throttle governor road tests. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF HS/Rm2/LG21.4.25. THROTTLE GOVERNOR TESTS. These tests were carried out on the road to demonstrate the relative value of… | ||
| scan0060 | Graph comparing the performance of a new throttle governor cam against an existing one (L.E.C. 1889). | ||
| View original record | DIVISIONS ON CAM ANGULAR MOVEMENT OF THROTTLE IN DEGREES 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 THROTTLE OPENING IN INCHES 0 .020 .040 .060 .080 .100 .120 .140 .160 .180 .200 .220… | ||
| scan0061 | Comparison of two throttle governor control lever arrangements to reduce the load on the hand control. | ||
| View original record | THROTTLE GOVERNOR REDUCTION OF LOAD ON HAND CONTROL (Arrangement i) TORQUE ABOUT A. FULL HAND CONTROL MOVEMENT. 25° CAMSHAFT ROTATION 24.5 INS LBS Dimension: 1.75" Dimension: 1.5" Spring Rating: 10… | ||
| scan0062 | Graphs detailing performance data for the E.A.C. Throttle Governor. | ||
| View original record | E.A.C. THROTTLE GOVERNOR DATA 23 / 25 GOVERNOR PULLS TAKEN AT THE END OF LEVERS E.72643 & E.1018 DOTTED LINES EXTREMES OF ANGULAR MOVEMENT OF GOVERNOR WEIGHTS LBS PULL AT LEVER EXTREMITY ENGINE R.P.M.… | ||
| scan0063 | Design and analysis of a modified throttle control spring for a 20 HP engine, including diagrams and performance graphs. | ||
| View original record | PARTICULARS OF 20 HP SPRING 16 FULL WORKING COILS 4 TAPER COILS AT EACH END 18 SWG. (.048 DIA) FREE LENGTH = 1.550 LOAD WITH SPRING EXTENDED TO 3.125 TO BE 9 1/4 LBS. INITIAL LOAD WITH SPRING EXTENDED… | ||
| scan0064 | The improvement from using ball bearings on the throttle governor control shaft. | ||
| View original record | To E. from Hs. X.8140 Hs2/LG21.4.25. THROTTLE GOVERNOR CONTROL SHAFT. The scheme for using ball bearings on the governor operating shaft has made a very definite improvement. We attach herewith blue… | ||
| scan0065 | Investigations into the EAC throttle governor, detailing improvements from fitting ball bearings to the camshaft. | ||
| View original record | R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. +8140 EXPERIMENTAL REPORT. COPIES TO: RCJ BJ. WOR By E Da. EP Expl. No. 8140 REF. Hs3/LG21.4.25. OBJECT OF TEST. TESTER. Investigations on EAC. THROTTLE… | ||
| scan0066 | Secret memo regarding the throttle governor, discussing friction in ball bearings and comparing accelerator pedal travel across different car models. | ||
| View original record | 48140 To E. from Hs. S E C R E T. Hs8/LG27.4.25. EAC. 'V' SERIES. THROTTLE GOVERNOR. 48140 We are very anxious to get your scheme for using the ball bearings on the governor control. We have been… | ||
| scan0067 | Instructions for setting the throttle governor for EAC throttles using a specific device. | ||
| View original record | To Mx. from Hs/Rm. X8140 Hs/Rml/LG28.4.25. SETTING THROTTLE GOVERNOR. We are sending you a device for setting EAC. throttles. It should be fitted up as per attached sketch, a spirit level placed on… | ||
| scan0068 | Blueprint detailing an arm for setting the E.A.C. throttle with specific assembly instructions. | ||
| View original record | MACHINED FACE FOR SPIRIT LEVEL 2° BETWEEN FACE AND CENTRES SPECIAL PIN. THE THROTTLE IS SET BEFORE NUT IS RIVITED OVER ARM FOR SETTING E.A.C. THROTTLE IN CORRECT RELATIVE POSITION TO ROLLER… | ||
| scan0069 | Instruction sheet for setting the control rod from the governor. | ||
| View original record | SHEET B SETTING OF CONTROL ROD FROM GOVERNOR. *THIS SHOULD BE SET AFTER THE THROTTLE HAS BEEN SET.* DISCONNECT SPRING S. DISCONNECT ROD P FROM ACCELERATOR TO THROTTLE (SEE SHEET A). RAISE THE… | ||
| scan0070 | Instructions for setting the F.A.C. throttle governor operating roller using a spirit level. | ||
| View original record | TO SET F.A.C. THROTTLE GOVERNOR OPERATING ROLLER SHEET A SPIRIT LEVEL WIRE TO BRING BUTTERFLY TO FULLY CLOSED POSITION SLACK OFF BITING-IN BOLT E. FIX ARM B TO ROLLER AND GOVERNOR SHAFT. PLACE SPIRIT… | ||
| scan0071 | Sending instructions and a device for setting the throttle governor. | ||
| View original record | To Mx. from Hs/Rm. X 8140 Hs/Rn1/LG28. 4. 25. SETTING THROTTLE GOVERNOR. We are sending you instructions and a device for setting EAC. throttle and also details of setting governor control. Hs/Rm. | ||
| scan0072 | Instructions for setting the E.A.C. throttle governor operating roller. | ||
| View original record | R / 28/4/25 SHEET A 48746 TO SET E.A.C. THROTTLE GOVERNOR OPERATING ROLLER ROLLS-ROYCE LTD. PRINT FK M 30 APR 1925 DERBY. SPIRIT LEVEL WIRE TO BRING BUTTERFLY TO FULLY CLOSED POSITION SLACK OFF… | ||
| scan0073 | Instructions for setting the control rod from the governor. | ||
| View original record | SHEET B SETTING OF CONTROL ROD FROM GOVERNOR THIS SHOULD BE SET AFTER THE THROTTLE HAS BEEN SET DISCONNECT SPRING S. DISCONNECT ROD P FROM ACCELERATOR TO THROTTLE (SEE SHEET A). RAISE THE EXTREMITY OF… | ||
| scan0074 | Blueprint of an arm for setting the E.A.C. throttle in the correct position relative to a roller. | ||
| View original record | MACHINED FACE FOR SPIRIT LEVEL. 2° BETWEEN FACE AND CENTRES SPECIAL PIN. THE THROTTLE IS SET BEFORE NUT IS RIVITED OVER ARM FOR SETTING E.A.C. THROTTLE IN CORRECT RELATIVE POSITION TO ROLLER… | ||
| scan0075 | Graph comparing throttle governor performance for the 40/50 model with three different camshaft schemes. | ||
| View original record | X8140 ROAD SPEED M.P.H. NOTCHES MOVEMENT. HAND CONTROL 40/50 ROLLER CAM & BALL BEARING CAMSHAFT ROLLER CAM ORIGINAL SLIDING CAM COMPARISON OF THROTTLE GOVERNOR PERFORMANCE 40/50 & THREE E.A.C. SCHEMES… | ||
| scan0076 | Secret memo regarding a 'V' Series Throttle Governor design incorporating Skefco ball bearings. | ||
| View original record | X. 8140 To BY. from E. S E C R E T. E1/M29.4.25. c. to CJ. Hs. E.A.C. 'V' SERIES THROTTLE GOVERNOR. We send you herewith drawing No.LeC.2047., shewing the throttle governor shaft mounted on 2 Skefco… | ||
| scan0077 | Secret memo regarding two alternative designs for a throttle governor control mechanism. | ||
| View original record | X. 8140 S E C R E T. E4/M29.4.25. To BY. from E. c. to CJ. HS. THROTTLE GOVERNOR CONTROL. We send you herewith LeCs. 2043/51/49. The 2 former shew throttle opening mechanism for 30° throttle movement… | ||
| scan0078 | Device for setting the throttle governor and a suggestion for testing oil relays. | ||
| View original record | X8140 Mx. from Hs/Rm; Hs/Rm2/LG4. 5. 25. E. A. C. THROTTLE. Attached is a sketch of a device which we have handed to the Test Dept. for setting their throttle governor. Should more of these be… | ||
| scan0079 | Authorisation sheet for a modification to the R.A.C. Throttle Governor. | ||
| View original record | X8140 Secret. [STAMPED] C.I. BY. HS. BYL/H. 4.5.25. AUTHORISATION SHEET NO.2. R.A.C. THROTTLE GOVERNOR. *************************************************** The Experimental Dept. have found that it is… | ||
| scan0080 | Note confirming receipt of C.J.'s consent for Authorisation Sheet No.2 regarding the E.A.C. Throttle Governor. | ||
| View original record | X8140 Hor. Hs. SIt. BI/SS. BY1/H. 7.5.25. Please note we have received CJ's consent to Authorisation Sheet No.2, Ref. BY1/H. 4.5.24, -re EAC. Throttle Governor. BY. By | ||
| scan0081 | Governor control levers coming loose on two cars, with a proposal to increase the bolt size. | ||
| View original record | X8140 Hs. BY2/H. 1. 7. 25. E.A.C. GOVERNOR CONTROL LEVER. E.72643. EP. reports to me that he has had two cases of the above levers coming loose:- 1. A "V" Series car which has just been delivered to… | ||
| scan0082 | Investigation into explosions in the silencer of the Phantom model, comparing it to the Silver Ghost. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to RG. E. c. to DA. BY. c. to CY. X8140 Hs2/LG23. 8.26. EXPLOSIONS IN SILENCER. X8140 X8230 As this complaint is considered by Sales to be one of the worst features on… | ||
| scan0083 | Throttle bearing friction and comparing engine explosions in Hispano and Lancia cars. | ||
| View original record | contd :- -2- up correctly, the chief cause of friction is the bearings for the throttle. We are proposing to try ball bearings in this position to see what improvement can be made. We have tried the… | ||
| scan0084 | Graph comparing the performance of three different throttle governor schemes for the 40/50 model. | ||
| View original record | ROAD SPEED M.P.H. NOTCHES MOVEMENT. HAND CONTROL 40/50 ROLLER CAM & BALL BEARING CAMSHAFT ROLLER CAM ORIGINAL SLIDING CAM COMPARISON OF THROTTLE GOVERNOR PERFORMANCE 40/50 & THREE E.A.C. SCHEMES TEST… | ||
| scan0085 | Suggesting the removal of the throttle governor from a London-based Phantom car for testing purposes. | ||
| View original record | To BJ. from Hs. c. to Wor. c. tp PN. c. to BY. c. to CWB X8140 Hs1/LG26.10.26. PHANTOM WITHOUT THROTTLE GOVERNOR. X8140 X8770 Replying to BJ10/E22.10.26. We could very easily cut out the governor on… | ||
| scan0086 | Requesting a mechanic be sent to London to remove the throttle governor from car 103-MG for a test. | ||
| View original record | X8140 S/W. To Hs. PN6/EH.27.10.26. Copy to OWB. Phantom without throttle governor. Reference your Hs1/LG26.10.26. Will you please have a man here in London on Monday next, the 1st November, in order… | ||
| scan0087 | Arranging a vehicle alteration for a Phantom model and a subsequent test drive. | ||
| View original record | W/S. X8140 To PN. from Hs/Rm. c. to CWB. Hs/Rm4/LG29.10.26. PHANTOM WITHOUT THROTTLE GOVERNOR. With reference to PN6/EH27.10.26. We are arranging for a man to call at Conduit Street at 11 a.m. on… | ||
| scan0088 | Options for improving the Phantom throttle control and related running issues. | ||
| View original record | To Hs. from R. c.c. to BJ. OY. c.c. to BY. PN. c.c. to E. CWB. X8140 R5/M2.11.26. PHANTOM THROTTLE. X. 8140 X. 93 Originally this was fitted without a governor, opened positively a small amount by… | ||
| scan0089 | Improvements and addressing complaints regarding the Phantom model's throttle, steering, and suspension. | ||
| View original record | To Hs. from R. 48140 R3/M13.11.26. PHANTOM IMPROVEMENTS. X. 8770 X. 8140 I am very sorry to cause pressure in these RR. F.10 troublesome time's, but Sales are continually complaining of the want of… | ||
| scan0090 | Explosions in the silencer and the comparison between governor throttle control and positive hand-controlled throttle. | ||
| View original record | To R. From Hs/AJL. c. to D.W. Wor. X8140 Hs/AJL/E.S. 15.11.26. EXPLOSIONS IN SILENCER. X93 THROTTLE CONTROL. X5230 X3436 Tests we have carried out indicate that a positively hand controlled throttle… | ||
| scan0091 | Technical analysis of explosions in the silencer caused by incorrect throttle and governor adjustments on a specific car (103-MC). | ||
| View original record | contd :- -2- It is very important that all controls be adjusted to ensure that the throttle closes when the governor lever is at the bottom of the quadrant. In previous reports we have emphasised very… | ||
| scan0092 | Report page discussing engine explosions and comparing the Phantom and Silver Ghost models. | ||
| View original record | contd :- -3- lever is set to drive the car, consequently the range over which explosions can occur is relatively small. Our recommendations for reducing explosions to a minimum were given in… | ||
| scan0093 | Continuation page of a report comparing performance to the Phantom and mentioning a roller bearing throttle. | ||
| View original record | contd :- -4- slightly quieter than the Phantom and absorbed considerably more H.P. We hope to be in a position to report on the roller bearing throttle in the course of the next few days.… | ||
| scan0094 | Reducing the governor control lag on the Phantom throttle by using roller bearings. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to RG. E. c. to DA. BY. x8140 Hs6/LG16.11.26. PHANTOM THROTTLE. x8140 We have had a car running fitted with the roller bearings in the throttle spindle. The lag on the… | ||
| scan0095 | Improvements to the Phantom throttle control and a proposal for new 20 HP bonnet louvres. | ||
| View original record | X8140 To R. } FROM HS. To E. } Hs2/LG18.11.26. PHANTOM THROTTLE CONTROL. SRL Ltd X8140 X8040 8-EX car which Dodd is bringing to WW. is fitted with roller bearings on the butterfly throttle. We have… | ||
| scan0096 | Graph showing governor lag for Chassis 8 EX, plotting engine RPM against notches on a quadrant. | ||
| View original record | GOVERNOR LAG (CHASSIS 8 EX) ROLLER BEARING THROTTLE. BALL BEARING GOVERNOR. SHAFT ENGINE. R.P.M. NOTCHES ON QUADRANT. DOWN. UP Y-Axis: 1500, 1250, 1000, 750, 500, 250, 0 X-Axis: 0, 5, 10, 15, 20, 25,… | ||
| scan0097 | Graph showing governor lag for a standard production Chassis 46 N.C, plotting engine RPM against notches on quadrant. | ||
| View original record | GOVERNOR LAG. (CHASSIS 46 N.C) STANDARD PRODUCTION. 27.10.26 ENGINE R.P.M. 1500 1250 1000 750 500 250 NOTCHES ON QUADRANT DOWN UP | ||
| scan0098 | Comparing the controllability and performance of the Phantom's throttle governor against standard and other models like the Silver Ghost. | ||
| View original record | +8140 To R. from Hs/AJL. c. to BJ. Wor. c. to RG. E. c. to DA. BY. Hs/AJL1/LG19.11.26. PHANTOM - THROTTLE GOVERNOR. 73443 Attached are diagrams illustrating the controlability of the Phantom throttle… | ||
| scan0099 | Recommendation to fit roller bearings to the throttle and ball bearings to the governor shaft to improve control. | ||
| View original record | contd :- -2- on the governor lever shaft. The advantage given by this alteration is not evident at low speeds, but is a decided improvement at the higher speeds. Fig. IV. indicates the conditions… | ||
| scan0100 | Recommendations on throttle and governor shaft improvements for new car production and rectifying complaints. | ||
| View original record | contd :- -3- the new throttle only: the small advantage gained by the ball bearing governor shaft does not warrant the expense incurred in changing over on existing cars. Both improvements should be… | ||
| scan0101 | Graph showing governor lag for a standard production Chassis 46 N.C, plotting engine R.P.M. against notches on a quadrant. | ||
| View original record | GOVERNOR LAG. (Chassis 46 N.C) STANDARD PRODUCTION. ENGINE R.P.M. NOTCHES ON QUADRANT DOWN UP FIG.1. | ||
| scan0102 | Graph plotting engine R.P.M. against notches on a quadrant, illustrating governor lag for chassis 8EX. | ||
| View original record | GOVERNOR LAG (CHASSIS 8 EX) ROLLER BEARING THROTTLE. BALL BEARING GOVERNOR. SHAFT ENGINE R.P.M. 1500 1250 1000 750 500 250 UP DOWN NOTCHES ON QUADRANT. 5 10 15 20 25 30 FIG 11. | ||
| scan0103 | Graph plotting engine R.P.M. against notches on a quadrant, comparing governor lag between a roller bearing throttle and a standard governor. | ||
| View original record | GOVERNOR LAG CHASSIS 8 EX. ROLLER BEARING THROTTLE. STANDARD GOVERNOR ENGE R.P.M. DOWN UP NOTCHES ON QUADRANT. FIG III | ||
| scan0104 | Graph showing governor lag against quadrant notches for chassis 8EX with a standard carburettor. | ||
| View original record | GOVERNOR LAG CHASSIS 8EX. STANDARD CARBURETTER BALL BEARINGS IN GOVERNOR TO SCHEME 820 (FIG II) ENGINE R.P.M. NOTCHES ON QUADRANT. DOWN UP FIG IV 1250 1000 750 500 250 0 5 10 15 20 25 30 | ||
| scan0105 | Graph plotting engine RPM against quadrant notches to show governor lag for a Standard Silver Ghost. | ||
| View original record | GOVERNOR LAG (CHASSIS 5 E.X.) STANDARD SILVER GHOST. ENGINE R.P.M. 1500 1250 1000 750 500 250 0 5 10 15 20 25 30 NOTCHES ON QUADRANT. DOWN UP FIG VII | ||
| scan0106 | Recommended alterations for the Phantom model to address customer complaints. | ||
| View original record | To Hs. from R. c. to BJ. Wor. c. to BY. X8140 R2/M30.11.26. PHANTOM COMPLAINTS. X.4117 X.8430 X.8770 X.8410 X.8140 Confirming our 'phone conversation of this morning. In the memo. I have already sent… | ||
| scan0107 | Use of roller and ball bearings for the Phantom throttle governor. | ||
| View original record | To Hs. from R. c. to BJ. Wor. c. to BY. EP. X. 8140 R3/M22.11.26. PHANTOM THROTTLE GOVERNOR We have now received your particulars as to the effect of the various ball and roller bearings, and we think… | ||
| scan0108 | Returning experimental parts for cutting out the throttle governor on the 'New Phantom' trials car. | ||
| View original record | X8140 S to W Hs PN/Bk2/LH41226 We enclose herewith experimental parts for cutting out the throttle governor on the "New Phantom". They are returned to you, as apparently the experiment on our trials… | ||
| scan0109 | Standardisation of roller bearings to the carburettor throttle to improve controls on the Phantom. | ||
| View original record | RR 755 REVISED (10H) (DE 444 6-10-26) BM. [Handwritten]: X 8140 Completed 13/12/26 STANDARDISATION of CHASSIS PARTS. Date 18.11.26 Description of Parts: ROLLER BEARINGS TO CARBURETTER THROTTLE.… | ||
| scan0110 | The performance of ball bearings on the governor short shaft after 3,500 miles of testing. | ||
| View original record | To B.J. from Hs. X8140 Hs2/LG14.12.26. BALL BEARINGS ON GOVERNOR SHORT SHAFT. X8140 With reference to the attached standardisation sheet. The ball bearings on the short governor shaft have been run… | ||
| scan0111 | Agreeing to standardization proposals for the C.2. Series, including modifications to the throttle and governor. | ||
| View original record | E.Dept. Wor. Hs. Sft. Rd. X8140 BY2/H. 14.12.26. Hs RECEIVED DEC 14 1926 Please note that BJ. agrees to the immediate incorporation for C.2. Series, of the following standardization proposals:- a/-… | ||
| scan0112 | Standardisation of ball bearings on the governor short shaft. | ||
| View original record | RR 755 REVISED (10H) (DE 444 6-10-26) BM. X8140 COMPLETED 17.12.26 STANDARDISATION of CHASSIS PARTS. Date 4.12.26 Description of Parts. BALL BEARINGS ON GOVERNOR SHORT SHAFT. X No. 8140 Drawing No.… | ||
| scan0113 | Standardisation of a single arm throttle governor control lever with a larger diameter roller. | ||
| View original record | RR 755 REVISED (10H) (DE 444 6-10-26) BM. X8140. COMPLETED 20.1.27 STANDARDISATION of CHASSIS PARTS. Date 15.12.26 Description of Parts. SINGLE ARM THROTTLE GOVERNOR CONTROL LEVER WITH LARGER DIAMETER… | ||
| scan0114 | Sticking and jamming issue with the Phantom throttle. | ||
| View original record | To Hs. from R. c. to BJ. BY. X8140 R5/M3.5.27. PHANTOM THROTTLE. X. 8140 X. 8080 7-EX, I understand is of the latest pattern, and yet I got the impression that it is not entirely free from sticking.… | ||
| scan0115 | Request to fit a heat shield to the silencer of 8-EX and to borrow a Phantom throttle governor casing for testing. | ||
| View original record | To RHC. from Hs/Rm. Handwritten: X8140 Hs/Rm2/LG14.5.27. Will you please arrange to fit a heat shield on the silencer of 8-EX as soon as the parts are available. Also will you please let us have one… | ||
| scan0116 | The cooling performance of the EAC engine radiator. | ||
| View original record | X8150 R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. COPIES TO: R.CJ. BJ. WOR. By. E. Da. EP. PN. OY. Expl. No. 766 8150 REF. Hs4/LG31.3.25. OBJECT OF TEST. Cooling of EAC: Engine… | ||
| scan0117 | Comparing the cooling efficiency of a new broad-bladed fan versus a narrow-bladed fan. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. REF: Hs/RM/L.681.S. 25. EAC. COOLING EFFICIENCY AND WATER PUMP DELIVERY. We have carried out tests on the road to determine the… | ||
| scan0118 | Comparing water pump delivery and temperatures for the EAC 'V' series and 40/50 cars. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. REF: Hs/Rn/LGS1.3.25. COMPARISON EAC. AND 40/50 CARS. | | 30 m.p.h. | 40 m.p.h. | |---|---|---| | EAC. 'V' series. | 28.8°C… | ||
| scan0119 | Performance graph comparing the thrust and power of a standard 40/50 fan against an experimental E.A.C. fan at various engine speeds. | ||
| View original record | 1. STD. 40/50 6 BLADED FAN (DRIVEN WITH 1.20 RATIO) 15 E.A.C. FAN INSTRD. FOR INITIAL PRODUCTION (DRIVEN WITH 1.4 RATIO) POWER TO DRIVE FAN (H.P.) THRUST (lbs. wt.) ENGINE SPEED (r.p.m.) THRUST POWER… | ||
| scan0120 | Secret memo regarding testing the deletion of leather washers from the water pump fixing. | ||
| View original record | X. 8150. To Hs. from R. c. to CJ. E. c. to BY. EP. S E C R E T. E.A.C.11. R5/M23.10.24. RE. VISIT OF HS. TO WW+ ON WED: 22.10.24. WATER PUMP FIXING. X. 8150. The leather washers on this mounting were… | ||
| scan0121 | Proposed modification for the lubrication of a water pump coupling. | ||
| View original record | X8150 BY c. GJ. c. Hs. E16/H. 3. 3. 25. Secret. E.A.C. LUBRICATION OF WATER PUMP COUPLING. ------------------------------------- We send you herewith drawing LeC.2010 showing the proposed modification… | ||
| scan0122 | Bar chart comparing the cooling efficiencies of E.A.C. and 40/50 models at 30 and 40 MPH. | ||
| View original record | COMPARISON OF COOLING EFFICIENCIES E.A.C AND 40/50. CRITICAL Ats TEMPERATURE. CENTIGRADE DEGREES. 0° 10° 20° 30° 40° COMPARISON 40/50 AND E.A.C. 30 M.P.H. 40/50 2 1/4" MATRIX. E.A.C. 'V' SERIES.… | ||
| scan0123 | Complaints and potential improvements for the water pump gland packing and lubrication. | ||
| View original record | X8150 BY/SS c. HS. BY6/H. 23.3.26. We seem to get complaints with regard to the gland of the water pump. Personally I do not think that the scheme of gland and lubrication as it stands is really… | ||
| scan0124 | Proposal to experiment with cork-based water pump glands for 20 HP & 40/50 HP engines to solve leaking issues. | ||
| View original record | X8110 Hs. BY1/H. 4.6.26. 20 HP. & 40/50 HP. WATER PUMP GLANDS. X8110 X5110 V4590 In connection with the trouble we are periodically encountering in the shape of leaky glands on the water pump, or… | ||
| scan0125 | Two cases of water pump drives seizing on New Phantom cars during final testing. | ||
| View original record | BY. c. Hs. c. Mx. x8190 x8150 EP/Thn12/H10.8.26. re. New Phantom Water Pumps Seizing. We have had two cases of water pump drives seizing on New Phantom cars during final complete car test in London.… | ||
| scan0126 | Failures in Phantom Water Pumps due to a design flaw in the bearing lubrication system and the proposed solution. | ||
| View original record | 11-o 4/9/26 X 8150 Hm. c. HS. BY17/H. 3.9.26. PHANTOM WATER PUMPS. ------------------- The two failures referred to in Hm/NRC12/D. 2.9.26. have one and the same cause, they are not two distinct… | ||
| scan0127 | Test report on a water pump from a test car after 14,000 miles. | ||
| View original record | Qy5-E-92026 X9150 September 20, 1926 To: Mr. Beaver Mr. Nadin Mr. Bagnall Mr. Caswell Mr. Hulley Mr. Knapton Mr. Burton cc - Mr. S. Johnson Mr. F. H. Royce Mr. E. W. Hives London File From: Mr. Olley… | ||
| scan0128 | Issues with a coupling, impeller, and bearings, including proposed solutions and theories on the root causes. | ||
| View original record | Oy5-E-92026 -2- September 20, 1926 3. The coupling therefore could not work properly and with the pump slightly out of line the effect was apparently to draw the impeller spindle forward. Whether this… | ||
| scan0129 | Performance of cork gland packings and proposing further experimentation. | ||
| View original record | X8150 RHC. Hs. C BY/SS. BY10/H. 12.10.26. GLAND PACKINGS. We supplied the Experimental Dept. some months ago with gland packings made from cork. The various glands dealt with were numbered:- E.72046.… | ||
| scan0130 | Requesting a dozen soft packings from Mr. Brock for further testing after a successful initial trial. | ||
| View original record | To BY/HEB. from Hs/Rm. X8150 X4590 Hs/Rm4/LG8.11.26. We should be obliged if you would obtain 1 doz. soft packings from Mr. Brock for test. As the first lot have xx proved successful, we should obtain… | ||
| scan0131 | Standardisation and dimensional reduction of spherical unions. | ||
| View original record | To Hs. from E. c. to BJ. X8150 E1/M24.12.26. RE. SPHERICAL UNIONS. X. 8150 X. 5150 Referring to the standardisation sheet you have issued for the above, the position with regard to these unions is… | ||
| scan0132 | Failure of the wooden thrust piece in the Phantom water pump and proposing a metal replacement. | ||
| View original record | BY/CS c. BY/SS c. Hs. X8150 BY8/G.8.11.27. PHANTOM WATER PUMP. WOODEN THRUST PIECE. Oy. informs me that in almost every case where cars are sent to America, the thrust piece has been destroyed by… | ||
| scan0133 | The procurement of a complete water pump by listing its individual piece numbers. | ||
| View original record | To RHC. from Hs/Rm. X 5150 Hs/Rm1/T26.1.27. EAC. WATER PUMP. Will you please obtain for us a water pump complete to the following piece Nos. E.70527. Complete. 1 E.72046. Gland Packing } "Lion"… | ||
| scan0134 | Performance of spring-loaded asbestos glands and the potential for using lubricated alternatives. | ||
| View original record | To BY. from Hs/Rm. We are sending you 2 asbestos glands with which, when spring loaded, we are getting very excellent results. We do not know whether you would like to take the matter up with some of… | ||
| scan0135 | Tests and improvements for water pump glands on 20 HP and 40/50 HP chassis. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to RG. E. c. to BY. DA. x8150 Hs/Rm5/LG21.3.27. WATER PUMP GLANDS. x4590 Our present pump glands on the 20 HP. and 40/50 HP. chassis give us a certain amount of… | ||
| scan0136 | Blueprint detailing a modification for a 40/50 water pump, specifically for spring-loaded asbestos rope glands. | ||
| View original record | 21-3-27 LOADING SPRING 20 LBS ASBESTOS ROPE GLANDS - 40/50 WATER-PUMP MODIFICATION - - SPRING LOADED ASBESTOS ROPE GLANDS - ROLLS-ROYCE LIMITED PRINT ROOM 21 MAR 1927 DERBY | ||
| scan0137 | Test report on a 40/50 water pump, comparing shaft wear from graphite-impregnated versus plain asbestos rope glands. | ||
| View original record | X8150 HS/RG/WB 7.4.27. 40/50 WATER PUMP. Wear on shafts due to glands. ASBESTOS ROPE GLANDS IMPREGNATED WITH GRAPHITE. After 30 hrs. running there was no wear on the shaft due to the glands. There was… | ||
| scan0138 | Procedure and test results for creating asbestos rope glands for a 40/50 HP water pump. | ||
| View original record | 0288 X8150 ROLLS-ROYCE LIMITED DERBY not sent out ASBESTOS ROPE GLANDS 40/50 HP. WATER PUMP. MATERIAL. Asbestos rope 6-ply (approx .150" dia.) PROCEDURE. Grease a length of the rope (approx. 10") cut… | ||
| scan0139 | Test report on various types of water pump glands and packings including lead-wool and asbestos. | ||
| View original record | -2- Lead-wool packings Two sets of this type were tried in spite of all coaxing, they continued to leak. The lead does not form a smooth surface in the bore and on the sides; the water soon courses… | ||
| scan0140 | Test report on gland materials and lubricants for hydraulic shock absorbers. | ||
| View original record | a/cs 8262 contd : -3- glands of this type (20 lbs. spring pressure) were quite satisfactory. At the commencement of these tests the glands were satisfactory. Tests were taken later with glands formed… | ||
| scan0141 | Endurance test report on a pump, detailing component wear and performance over multiple runs. | ||
| View original record | contd. -4- HGS/T32 ENDURANCE. The pump was fitted with a complete set of new bearings, glands and shaft. With an increased spring pressure (30 lbs.) the unit was run for 15 hrs. (total running time).… | ||
| scan0142 | Diagram showing the assembly of asbestos rope glands for a 40/50 water pump. | ||
| View original record | GLAND BUSHES USED AS FORMERS WATER PUMP ROTOR SHAFT TOP LAYER. 3 COMPLETE TURNS BOTTOM LAYER. 4 COMPLETE TURNS ASBESTOS ROPE [6PLY] ASBESTOS ROPE GLANDS 40/50 WATER PUMP. E70527 | ||
| scan0143 | Test results and proposed alterations for water pump glands. | ||
| View original record | To BY. from Hs/Rm. 48150 Hs/Rm2/LG9.5.27. WATER PUMP GLANDS. X7150 X4590 Tests have shewn that both the glands shewn on Sch.751 are a workable proposition without the lubricating holes in the shaft to… | ||
| scan0144 | With a diagram suggesting improvements to prevent a water leak past a bush and gland. | ||
| View original record | contd :- -2- We should like to try something rather better designed on these lines as it appears to prevent a poor gland from leaking. A. Face 'V' on rotor fitting into 'V' notch on pump casing.… | ||
| scan0145 | Request to fit a new water pump and magnesium pedestal pistons with studs to a car. | ||
| View original record | To RHC. from Hs/Rm. X.8150 Hs/Rm2/LG24. 5. 27. 10-EX. C8774 Will you please fit to the above car - Water pump Sch.751 - fig.1. also Magnesium pedestal pistons with studs instead of the present bolts.… | ||
| scan0146 | Quarterly complaints regarding water pump failures and hot spot pipe issues. | ||
| View original record | To Hm. from Hs/Rm. Y8150 Hs/Rm8/LG14. 3. 27. Quarterly complaints. +8230 (1) Failure of water pump. A standardisation sheet has been circulated for a new type of gland which we have recently… | ||
| scan0147 | Standardisation of the 40/50 water pump gland packing to obviate leaks and adjustment. | ||
| View original record | RR 755 REVISED (10H) (DE649 9-12-26) BM. 2/1187. 48/50 COMPLETED 22.8.27. STANDARDISATION of CHASSIS PARTS. Description of Parts. 40/50 WATER PUMP GLAND PACKING. Origin. To obviate leaks and… | ||
| scan0148 | Costs and timeline for fitting a new standardised chassis part. | ||
| View original record | STANDARDISATION of CHASSIS PARTS No X (1) The number of the first chassis on which the new part will be fitted. E2. series. (2) Date when the chassis will be handed to test. 1.10.27. (3) Cost of… | ||
| scan0149 | Recommendations for treating spring-loaded water pump glands to prevent the adjusting nut vibrating loose at high speeds. | ||
| View original record | X8150 To BY. from Hs/Rm. Hs/Rm3/LG4.11.27. WATER PUMP GLANDS. Y4590 At high engine speeds the gland adjusting nut can vibrate undone. We therefore recommend the following treatment when the spring… | ||
| scan0150 | Drawing of a gland nut locking ring for a 40/50 water pump. | ||
| View original record | .250 .150" ±5 1.500 +25 17 SWG. (.056" DIA) GLAND NUT LOCKING RING 40/50 WATER PUMP 1 OFF S/CS 4-11-27 | ||
| scan0151 | Blueprint detailing a modification to the Gland-Nut Locking Scheme for a 40/50 Water Pump. | ||
| View original record | 4-11-27 CUTTER .500" DIAM E71313 .375" +0 .075" +0 -2 .062" +5 MODIFICATION TO E71313. GLAND-NUT LOCKING SCHEME. 40/50 WATER PUMP. | ||
| scan0152 | Blueprint of a locking device for a spring-loaded pump gland nut. | ||
| View original record | LOCKING DEVICE FOR SPRING LOADED PUMP GLAND NUT. | ||
| scan0153 | Blueprint showing a modification to gland nut E70355 for a 40/50 water pump. | ||
| View original record | MODIFICATION TO GLAND NUT E70355 40/50 WATER PUMP .275" ±5 3 HOLES EQUALLY SPACED .062" DIA .050" .062" ±5 4-11-27 | ||
| scan0154 | Recommended procedure for adjusting and securing water pump glands. | ||
| View original record | C O P Y. To BY from Hs/Rm. HS/Rm3/LG4.11.27. WATER PUMP GLANDS At high engine speeds the gland adjusting nut can vibrate undone. We therefore recommend the following treatment when the spring loaded… | ||
| scan0155 | Potential improvements for 40/50 HP water pumps, focusing on the friction drive and glands. | ||
| View original record | To E. from Hs/Rm. X8150 Hs/Rm2/LG9.1.28. 40/50 HP. WATER PUMPS. X1360 We send you herewith some information out of our files on work we have been recently doing on water water pump glands. We should… | ||
| scan0156 | Results of a tested device and suggesting a material change for a thrust piece. | ||
| View original record | contd :- -2- eliminate gland leakage. In the very crude device which you will see we have tested, we did not get any very noticeable pick up. You will note from OY's remarks that the wooden thrust… | ||
| scan0157 | Proposed design improvements for the EAC.10 engine's water pump, referencing blueprints LeC.2504 and 2507. | ||
| View original record | R. from E. C. to BJ. HS/Rn. 18150 E1/M16.1.28. EAC.10 ENGINE. X.7770 X.8150 X.7150 We send herewith blueprints LeC.2504 and 2507. The former shews the drg. to which Derby is working for the water… | ||
| scan0158 | Proposal to continue the examination of Phantom water pumps due to a high failure rate of seizing spindle bearings. | ||
| View original record | To Wor. from Hm. C. to Hs. C. to BY. X 8150 Hm8/EW29.3.28. Re Phantom Water Pumps. It was arranged to examine all Water Pumps for the period of a month, in order to ascertain what proportion required… | ||
| scan0159 | Test results for a chromium-plated water pump spindle, noting its improvement over the Staybright spindle. | ||
| View original record | X8150 To PY. from Hs/Hr. Hs/Rml/LG27.4.28. CHROMIUM PLATED WATER PUMP SPINDLE. X8150 X1360 We have now completed our tests on the chromium plated water pump spindle. The results shew a definite… | ||
| scan0160 | Experimental use of nitrate steel for water pump shafts and brake drums. | ||
| View original record | To BY. from Hs/Rm. X8150 Hs/Rn3/LG6.11.28. 48420 We should like to run experimentally two water pump shafts in nitrate steel. This appears to be one point where this steel might be used beneficially… | ||
| scan0161 | Dispatch of drawings for oil pump modifications and wheelcase oil jets for EAC engines. | ||
| View original record | 4860 To BY. from E. c. to CJ. HS. S E C R E T. E. A. C. 'V' SERIES. X. 8770 X. 8160 We send you herewith drawings Nos. LeC.1959 and 1961., dealing with the oil pump modifications, and the wheelcase… | ||
| scan0162 | The oil pump and drive for Phantom Sports models, referencing drawing LeC. 2468. | ||
| View original record | BY. from E. c. to BY. Hs. X8160 E1/M5.10.27. PHANTOM SPORTS. X. 8160 X. 8165 OIL PUMP AND DRIVE. Herewith we send your drg. LeC. 2468 shewing the above. E. | ||
| scan0163 | Letter discussing the development of special oil pump gears for the Phantom model to reduce noise and improve efficiency. | ||
| View original record | OYS.R.11.11.27 AN W Hs POST OFFICE 24 NOV 1927 RECEIVED X8160 November 11th, 1927. Mr. T. S. Haldenby, Rolls Royce Ltd., Derby, England. (Copy for attention of Mr. Bailey) (Copy for attention of Mr.… | ||
| scan0164 | Performance comparison test report of a Feuerheerd oil pump against a standard RR pump. | ||
| View original record | To Py. from Hs/Rm. Hs/Rm2/LG22.12.27. X8160 FEUERHEERD OIL PUMP. X4677 We have now completed a series of tests with this pump. It will be appreciated that the tests carried out by the Daimler Co. do… | ||
| scan0165 | Comparison of a Feuerheerd pump against an RR pump, noting weight, noise, and performance issues under high pressure. | ||
| View original record | contd :- -2- light loads but more noisy under high pressures at high speeds. Feuerheerd delivery less regular and sets up vibrations in the pipes. The delivery is rather spasmodic under high… | ||
| scan0166 | Modification to the F.2 series crankcase to stiffen the case around the oil pump section. | ||
| View original record | E. Dept. c. Hs. c. Sft. X50165 88160. BY4/G.5.1.28. RECEIVED F.2 SERIES. Please note that we shall incorporate on F.2 series the modification to the crankcase round the oil pump section, made with the… | ||
| scan0167 | Cause, symptoms, and potential cures for an elusive squeak on a Phantom chassis. | ||
| View original record | To Hm. from Hs. Handwritten: X8160 Hs2/LG22.10.28. ELUSIVE SQUEAK ON PHANTOM CHASSIS Handwritten: X8160 / X8060 We recommend the following is circulated to Depots:- We have had a case of an elusive… | ||
| scan0168 | The cause and cure for an elusive squeak or note in the chassis, identified as originating from the oil pump gears. | ||
| View original record | To Hs. from Hs/GWH. X8160 Hs/GWH/LG30.10.28. RE. DEPOT SHEET NO. HM. 87. X8160 X8060 We have had cases of an elusive squeak or note on an experimental chassis and chassis on test. We believe this also… | ||
| scan0169 | Modifications to the Sports Phantom wheelcase, gears, and camshaft. | ||
| View original record | BY 1/2 from E. c. to BJ. Hs. X8170 E1/M8.10.27. SPORTS PHANTOM - WHEELCASE & GEARS. X. 8170 X. 8000 We send herewith LeC.2470 dealing with the above. This drg. shews a plain bearing carrier wheel… | ||
| scan0170 | Sending drawing LeC. 2478, which shows the vacuum pump for the petrol feed and wheelcase details. | ||
| View original record | 48170 BY. from R. c. to BJ. Hs. E1/M28.10.27. EAC.14. X. 8510 X. 8170 We send you herewith LeC. 2478., shewing the vacuum pump for the petrol feed and wheelcase details. E. | ||
| scan0171 | The placement of the drive for the revolution counter. | ||
| View original record | Hs/Rm from DA/EV. X8170 DA/EV3/M11.11.27. RE. REV. COUNTER - EAC.14. X.912 X.8170 We have mentioned this to E., and he is bearing the matter in mind when dealing with the wheelcase of the engine. It… | ||
| scan0172 | Adoption of Bostock & Bramley's parallel worm gear design over the Henley type. | ||
| View original record | RG. E. from R. BY. Hs. c. to BJ. Wor. F1. X8170 R2/M8.4.28. AERO ENGINES, CAR ENGINES, & CHASSIS WORK. X.4017 WORM GEARS & AERO MAGNETO DRIVES. X.2061 X.3837 X.8170 There are so many forms of teeth… | ||
| scan0173 | Testing a new material named 'Corronil' as a cheaper alternative to Monel Metal for water tubes in EAC.II engines. | ||
| View original record | X8180 Hs. RHC. C. Chat. E.A.C.II. WATER TUBES AT PRESENT MADE IN MONEL METAL. Experimental Dept. should note that forty feet of 3/4" diameter produced from a new material named "Corronil" has been… | ||
| scan0174 | Difficulty lining up Top Water Connections and proposing standardisation or using parts from an older scheme. | ||
| View original record | To Hs. C. to Bft. [text struck through] 48180 BY/SS2/DB.10.6.25. Re EAC. - Top Water Connections. Sec:5190. The Works are having difficulty on several chassis of lining up the Top Water Connections… | ||
| scan0175 | Requesting action to supply Water Joint Clips for the New Phantom Chassis to Cricklewood. | ||
| View original record | Y8180 BY. Hs. O. BP. EP6/H5.1.26. Water Joint Clips - New Phantom Chassis. from PN. I attach herewith copy of memo I have received I shall be glad if BY. and Hs. will let me have information in regard… | ||
| scan0176 | Replacing unsatisfactory water-joint clips on a Phantom chassis to prevent water loss. | ||
| View original record | COPY. PN4/DN4.1.26. To EP. FROM PN. I am not aware how soon the water-joint clips on the "Phantom" as now supplied, will be modified by a type of clip which is altogether better mechanically and more… | ||
| scan0177 | Issues with leaking water joint clips on the New Phantom chassis and proposed remedies. | ||
| View original record | x8180 RP. Hs. G.D/B.P. BY3/H. 6.1.26. ---------------- WATER JOINT CLIPS. NEW PHANTOM CHASSIS. ---------------------------------------- Referring to EP6/H.5.1.26. and FN4/DN.4.1.26. attached, we have… | ||
| scan0178 | Difficulties with sourcing and testing different types of clips for a vehicle. | ||
| View original record | - 2 - BY3/H. 6.1.26. strength of the present material. 3. We have also attempted to obtain the clips in thicker material, but made from nickel silver. Here again we have met with difficulty, as the… | ||
| scan0179 | The use of aluminium washers in place of fibre washers for drain pipe unions. | ||
| View original record | To Hs. from E. c. to BY. +8190 E2/M8.3.26. RE. USE ON ALUM. WASHER IN PLACE OF FIBRE. X.3855 X.8180 X.8190 In reply to your memo. Hs7/LG5.3.26., concerning BY3/H3.3.26., I am sorry but I do not… | ||
| scan0180 | Standardization of spherical unions and a material fault found in smaller sizes. | ||
| View original record | 48180 To BY. from E. c. to CJ. Hs. E3/M6.6.25. UNIONS - SPHERICAL TYPE. X.2170 X.8180 X.8190 In response to your enquiry concerning the above we should be glad if you would do what is necessary to… | ||
| scan0181 | Design revisions, material specifications, and testing for spherical seated unions. | ||
| View original record | To BY. from E. c. to CJ. c. to RG. c. to Hs. +8180 E2/M19.12.25. SPHERICAL SEATED UNIONS. X.2170 X.8180 X.4111 X.8190 We send you herewith drawing LeC.2183 shewing the above revised. This arises out… | ||
| scan0182 | Substitution of fibre washers with soft aluminium washers. | ||
| View original record | To Hs. from E. c. to BY. X8180 E2/MS.3.26. RE. USE OF ALUMINIUM WASHER IN PLACE OF FIBRE. X.3855 X.8180 X.8180 In reply to your memo. Hs7/LG5.3.26., concerning BY3/H3.3.26., I am sorry but I do not… | ||
| scan0183 | Standardisation document for Jubilee clips for rubber joints, replacing the previous clip design. | ||
| View original record | RR 755 REVISED (10H) (DE444 6-10-26) BM. COMPLETED 17.12.26 48180 Hs STANDARDISATION of CHASSIS PARTS. Date 18.11.26 5180/ X No. 5180 Drawing No. Part List A Scrap and replace at all costs, including… | ||
| scan0184 | Need to lighten union connections for stock to match the design used for aero work. | ||
| View original record | To RG. E. DA. from R. c. to BJ. Wor. c. to Hs. BY. X8180 R2/M28.12.26. UNION CONNECTIONS. X.8180 X.5180 Before these are made in quantity for stock they should again be lightened, because exactly the… | ||
| scan0185 | Recommending the adoption of spherical unions as an improvement over the current standard. | ||
| View original record | 48180 To E. from Hs. c. to BJ. Hs3/LG29.12.26. RE. SPHERICAL UNIONS. E1/M24.12.26. Referring to the above std. sheet. We consider the spherical unions as they are, are an improvement over the present… | ||
| scan0186 | Introduction of new spherical shape unions versus continuing with standard cone unions for the D.2. Series. | ||
| View original record | X8180 2-15 3-1-27 EY3/H. S.S.G.S. 3-1-27 D. Copy. C. Ltg. C. EXP/ENG SPHERICAL SHAPE UNIONS. With reference to the suggestion that we would attempt to bring in the new type union for D.2. Series,… | ||
| scan0187 | The design and standardization of pipe unions, discussing materials and thread pitches. | ||
| View original record | To E. RG. BY. c. to BJ. Wor. Hs. R1/M9.1.27. 8180 RE. PIPE UNIONS. X. 2170 X. 8180 I think these are as perfect as we know how to make them, and the minimum weight and cost of materials. They are a… | ||
| scan0188 | Standardisation of chassis parts, specifically union connections, to improve design. | ||
| View original record | RR 755 REVISED (10H) (DE444 6-10-26) BM. X 8180 COMPLETED 18-1-27 STANDARDISATION of CHASSIS PARTS. Date 20.12.26 Description of Parts. UNION CONNECTIONS. Origin. To improve design. Experimental Test… | ||
| scan0189 | Standardisation sheet with remarks regarding the production and approval of union connections. | ||
| View original record | X. 8180 X. 5180 STANDARDISATION SHEET - UNION CONNECTIONS. R. remarks :- Agreed. Before these are made in quantity for stock they should again be lightened, because exactly same should be used for… | ||
| scan0190 | Preliminary lightening of the Phantom engine's waterpipe, flywheel, and clutch, alongside improvements to the induction system. | ||
| View original record | To E. Hs. BY. AJS. From R. c. to BJ. Wor. 48180 ROLLS-ROYCE LIMITED DERBY RA/M10.2.27. X. 8770 X. 8840 X. 8300 X. 8070 X. 8180 X. 3867 PHANTOM ENGINE - PRELIMINARY LIGHTENING WATERPIPE AND FLYWHEEL… | ||
| scan0191 | Design changes to the petrol tank, including the deletion of the incoming filter and alterations to the sump and outgoing filter. | ||
| View original record | To H. from R. c. to CJ. BJ. c. to PN. BY. c. to Hs. DA. RE. PETROL TANK. The reason why the ingoing filter has been deleted is because it is impossible to fit a filter suitable for taking in petrol as… | ||
| scan0192 | Design choices for the 'V' series oil sump cover and drain plug. | ||
| View original record | To Hs. from E. c. to CJ. BY. X. 8190 E4/M3.4.25. 'V' SERIES OIL SUMP. Referring to the circular cover on the bottom of the oil sump the spigot formed thereon need not be a fit in the crankcase. It can… | ||
| scan0193 | Need for better petrol filtration and proposing a new specification for future tanks. | ||
| View original record | 48190 To Hs. from R. c. to CW. BJ. c. to PN. H. c. to E. DA. c. to RG. BY. c. to Hm. EP. R1/M20.8.25. PETROL FILTERS AND REAR TANK. X.3701 X.8080 X.8190 X.8460 It is no use our saying that owners must… | ||
| scan0194 | Specifications and issues with fuel filter gauzes in carburettors. | ||
| View original record | contd :- -2- The gauzes on all these filters should be on the fine standard of 160 mesh. This includes the smaller one on the carburetter, which should be the same because it is only asked to pass… | ||
| scan0195 | The taper of the low-speed needle and the mesh of filters on the New Phantom and Goshawk carburetters. | ||
| View original record | To Hs. from R. c. to CJ. EP. X8190 R3/M20. 8. 25. X.8080 X.8190 X.3701 I am still impressed that the taper of the low speed needle in the New Phantom carburetter is too quick, unless the one in the… | ||
| scan0196 | Fault and proposed improvements for the E.A.C. carburetter filter stud and washer. | ||
| View original record | To BY. from E. c. to CJ. Hs. X8190 E1/M24.8.25. E.A.C. CARBURETTER FILTER. X.8080 X.8190 We had occasion to dismantle the filter on the EAC. car here and found the top nut jammed on the stud, the… | ||
| scan0197 | Changing the filters in the back tank and carburetters to fine mesh to solve choked jets. | ||
| View original record | +8190 To Hs. from R. c. to CJ. BY. H. R3/M25.8.25. RE. 20 HP. AND 40 HP. FILTERS IN BACK TANK AND CARBURETTERS. X.8080 X.5080 X.8190 You will remember that we are expecting both these to be changed to… | ||
| scan0198 | Design and troubleshooting of coarse and fine filters in relation to carburettor and choked jets. | ||
| View original record | 48190 To BY. from R. c. to CJ. Hs. H. R2/M26. 8. 25. RE. FILTERS. X. 8080 X. 8190 Regarding filters, I was pleased to receive a note from BY. shewing that the coarse filters were done to instructions… | ||
| scan0199 | Petrol filters for 20 HP and 40/50 HP models, discussing mesh changes and issues with foreign matter. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. Expl. No. 48190 REF Hs3/L827.8.25. To R: from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. H. PETROL FILTERS - 20 HP. & 40/50… | ||
| scan0200 | Various petrol filtration setups on Silver Ghost, 20 HP, and E.A.C. models. | ||
| View original record | R.R. 493a (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. -2- Expl. No. REF Hs3/LG27. 8. 25. (1) Silver Ghost - 40/50 HP. Pressure feed, petrol filter only in tank. (2) 4-wheel brake 40/50 HP.… | ||
| scan0201 | Internal memorandum discussing the use of monel metal gauze in petrol filters. | ||
| View original record | To Hs. from R. c. to CJ. BY. H. 8190 R2/M1.9.25. RE. PETROL FILTERS. X. 3701 X. 8080 X. 8190 The monel metal gauze of 160 mesh is probably the best we can use. I have also instructed this to be used… | ||
| scan0202 | Changing the stud material from Delta Metal to Stainless Steel for the E.A.C. carburetter filter. | ||
| View original record | X.8190 ✓ E. C. CC. C. Hs. BY4/H. 1.9.25. E.A.C. CARBURETTER FILTER. Referring to E1/M. 24.8.25. I had noticed the fact that the stud had been made in Delta Metal on the first experimental chassis, and… | ||
| scan0203 | Six modifications to the New Phantom petrol tank, based on feedback from the Sales department. | ||
| View original record | To BY. from Da. c. to CJ. Hs. +8190 DA3/M5. 9. 25. NEW PHANTOM PETROL TANK. X.8460 X.8190 We send herewith N.sch.2051 shewing some modifications to the petrol tank which have been made as a result of… | ||
| scan0204 | Instructions and considerations for Phantom and Goshawk petrol filters. | ||
| View original record | To Hs. from R. c. to CJ. BJ. H. c. to BY. Da. X8190 R3/M29.9.25. PHANTOM AND GOSHAWK PETROL FILTERS. X.3701 X.8190 The following are the points we are instructing :- The autovac openings both to the… | ||
| scan0205 | Improving filter arrangements from those used in the Silver Ghost. | ||
| View original record | contd :- -2- Some of the statements made are hardly correct: the Silver Ghost outgoing filters were very small area, and often failed. We shall now have a more perfect arrangement than we have ever… | ||
| scan0206 | Suggesting design improvements for petrol fillers and gauges. | ||
| View original record | To DA. from R. c. to CJ. BJ. c. to BY. Hs. c. to RG. E. 18190 RL/M15.2.26. PETROL FILLERS - PETROL GAUGE. X.3701 X.8460 X.819 I think N.sch.2100 might be better, thus :- (1) Spring disc fitting… | ||
| scan0207 | Using soft aluminum washers instead of fibre ones for spherical unions. | ||
| View original record | To Hs. from E. c. to BY. +8190 E2/M8.3.26. RE. USE ON ALUM. WASHER IN PLACE OF FIBRE. X.3855 X.8180 X.8190 In reply to your memo. Hs7/LG5.3.26., concerning BY3/H3.3.26., I am sorry but I do not… | ||
| scan0208 | Choking of 20 HP petrol filters and proposing new improved filter systems. | ||
| View original record | To BJ. from R. c. to Wor. BY. c. to DA. Hs. EP. X8190 R2/M3.6.26. 20 HP. PETROL FILTRES. X.3701 X.8460 X.5460 X.8190 Referring to your BJ21/E21.5.26., and the choking of the 20 HP. filter every 500… | ||
| scan0209 | Standardization of spherical type unions and a potential material revision from gunmetal to steel. | ||
| View original record | To BY. from E. c. to CJ. Hs. +8190 E3/M6. 6. 25. UNIONS - SPHERICAL TYPE. X.2170 X.8180 X.8190 In response to your enquiry concerning the above we should be glad if you would do what is necessary to… | ||
| scan0210 | Revised design, materials, and testing of spherical seated unions. | ||
| View original record | To BY. from E. c. to CJ. c. to RG. c. to Hs. X8190 E2/M19.12.25. SPHERICAL SEATED UNIONS. X.2170 X.8180 X.4111 X.8190 We send you herewith drawing LeC. 2183 shewing the above revised. This arises out… | ||
| scan0211 | Suggestion from Melbourne to change the position of the petrol tank filler due to filling issues with Bowsers. | ||
| View original record | Pt.3/EP/29-11 -28 MELBOURNE. - 29th November, 1928 By/Derby C/Hm/Derby✓ C/Hs/Derby C/EP/Derby C/Wmr./London C/CWB./London It has been pointed out to me repeatedly that with the present position of… | ||
| scan0212 | Design improvements and issues with 40/50 water pumps. | ||
| View original record | Rm. from E. c. to BJ. X8190 El/M9.1.28. 40/50 WATER PUMPS. X.8190 X.4590 Thank you for your memo. Hs/Rm2/LG9.1.28., with information from your files on the above subject. Regarding the points you… | ||
| scan0213 | Use of soft aluminium washers in place of fibre washers for revised spherical unions. | ||
| View original record | X8190 To Hs. from E. c. to BY. E2/M8.3.26. RE. USE OF ALUMINIUM WASHER IN PLACE OF FIBRE. X.3855 X.8180 X. 8180 In reply to your memo. Hs7/LG5.3.26., concerning BY3/H3.3.26., I am sorry but I do not… | ||
| scan0214 | Oil loss from a New Phantom Engine due to a loose oil pipe clip during testing, proposing potential solutions. | ||
| View original record | X8190 BY. (Struck through) Hs. c. Wor. for Mx. EP2/H16.8.26. re. New Phantom Engine - Loss of Oil through Oil Pipe Clip becoming loose. The clip at the front end of the bottom half crankchamber has on… | ||
| scan0215 | Oil loss from a New Phantom Engine caused by a loose oil pipe clip. | ||
| View original record | c Hs. from Mx. X8190 Mx12/T17.8.26. re New Phantom Engine - loss of Oil through Oil Pipe Clip becoming loose. With reference to memo EP2/H16.8.26, this point I took up with Mr Clough a few days ago,… | ||
| scan0216 | Mr. Royce's approval of spherical seated unions and raising a query about the spigotting of the metal washer. | ||
| View original record | To BY. from E. c. to BJ. RG. Hs. Handwritten: X8190 Z E4/M12.1.27. SPHERICAL SEATED UNIONS WITH REDUCED DIMENSIONS. X. 8190 X. 2170 We send herewith the original of LeC. 2360 shewing the above. Mr.… | ||
| scan0217 | Fuel delivery issue with the new Phantom petrol tank filter and the proposed modification. | ||
| View original record | To R. from Hs/AJL. c. to BJ. Wor. c. to RG. E. c. to DA. BY. /8190 Hs/AJL1/LG31.1.27. PHANTOM - PETROL TANK FILTER. Complaints have been received from the Production Test Dept. to the effect that cars… | ||
| scan0218 | Petrol filter modifications and their impact on Autovac delivery performance, including tabulated test results. | ||
| View original record | contd :- -2- owing to increasing the size of the A. and B. holes and also if C. is opened out to .312" the metal at this point becomes very thin and would fracture if the petrol pipe union nut were… | ||
| scan0219 | Specifications for cork seating and petrol piping related to an Autovac system, with associated diagrams. | ||
| View original record | contd :- -3- The holes in the cork seating should be punched out .020" dia. larger than the holes in the metal to allow for the compression of the cork during service. Tests carried out by The Autovac… | ||
| scan0220 | Dispatch of a drawing for the Sports Phantom oil strainer. | ||
| View original record | BY. from E. c. to BJ. Hs. X8190 E2/M8.10.27. SPORTS PHANTOM OIL STRAINER. X.8200 X.8000 X.8190 We send herewith drg.LeC.2471 shewing the above, to enable you to complete the bottom half of the… | ||
| scan0221 | Modifications to the oil relief unit, gallery pipe, and crankchamber, referencing drawing Lec. 2483. | ||
| View original record | 48190 BY. from E. c. to BJ. Hs. E1/M9.11.27. X.8000 X.8208 X.8190 EAC.14. OIL RELIEF UNIT AND GALLERY PIPE. We send herewith drg. Lec. 2483 shewing the oil relief unit, gallery pipe, and connections… | ||
| scan0222 | The oil gallery pipe for the EAC.10 Sports Phantom, specifying sweating instead of brazing. | ||
| View original record | BY. from E. c. to BJ. Hs. X. 8190 E3/M16.11.27. EAC.10 SPORTS PHANTOM. OIL GALLERY PIPE. We send herewith drg. LeC.2484 shewing the above. We are asking for this pipe to be sweated, not brazed, to… | ||