Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Misleading oil relief valve pressures for the 40/50 chassis, suggesting revised figures for drawings. | ||
| View original record | R.R. 493A (50 H) (D.D. 31. 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. 48205 REF Hs/AJL1/LC41125 To BY/SS. from Hs/AJL. Re. 40/50 Chassis - Oil Relief Valve. Sec.5205 With reference to your… | ||
| scan0002 | Pressure discrepancies for the 40/50HP Chassis oil relief valve. | ||
| View original record | To Hs. [REDACTED] X8205 BY/SS1/DB.24.9.25. Re 40/50HP Chassis - Oil Relief Valve. Sec:5205. X8205 Mr Bailey's memo BYS/H.12.5.25 confirmed your instructions to use the low pressure valve spring… | ||
| scan0003 | The difficulties of dismantling the oil relief valve on the Phantom model. | ||
| View original record | E xpl: Report. Expl: NO. 18205 Ref.Hs/GWH3/LG27.1.26. To R. from Hs/GWH. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. OY. OIL RELIEF VALVE ON PHANTOM. X8940a We have never been able to complete… | ||
| scan0004 | Proposal to use stainless steel valves and seats to prevent oil pressure failures caused by foreign matter. | ||
| View original record | contd :- -2- from the face joint due to dirt getting between the face joint, also there is a danger of grit getting in the bottom half of crank case through the release holes during the cleaning… | ||
| scan0005 | Oil relief valve sticking issues and potential design solutions for Phantom & Goshawk models. | ||
| View original record | To CJ. from E. c. to R. Hs. BY. +8205 E1/M13.2.26. PHANTOM & GOSHAWK OIL RELIEF VALVES. X.5205 X.8205 We have never received a customers' complaint at WW. of the oil relief valve sticking open. We… | ||
| scan0006 | Removal of a relief valve on the Phantom and the design of new guideless replacement valves. | ||
| View original record | To Hs. from E. X. 8205 E1/M20.2.26. PHANTOM OIL RELIEF VALVE. Referring to the above we believe you are proposing, or possibly have standardised, the removal of one of the 3 relief valves, but we… | ||
| scan0007 | Design of oil relief valves and the challenges with bow spring flexibility and stress. | ||
| View original record | To R. from E. c. to CJ. Rg. c. to Hs. BY. +8205 E1/M3. 3.26. OIL RELIEF VALVES. X. 5205 X. 8205 We had a scheme nearly completed for the new type of relief valve on Phantom engine, but on hearing that… | ||
| scan0008 | Bow spring design options for a pump casing and the accessibility of a valve. | ||
| View original record | -2- pieces rivetted together as per your suggestion - LeC.2207 and another made out of one piece of material bent to shape. The latter does not require so much space for the same degree of… | ||
| scan0009 | Sticking oil pressure relief valves for the Phantom engine. | ||
| View original record | To R. from E. c. to CJ. RG. c. to Hs. BY. X. 8205 PHANTOM. OIL PRESSURE RELIEF VALVES. E2/M13.3.26. With regard to the question of sticking relief valves Hs. agrees with us that the trouble is… | ||
| scan0010 | Phantom Oil Pressure Relief Valve, confirming the dispatch of associated blueprints. | ||
| View original record | X. 8205 To BY. from E. c. to CJ. Hs. E4/M18.3.26. PHANTOM OIL PRESSURE RELIEF VALVE. In connection with our memos. to R. concerning the above, we send you herewith blue prints of LeC.2214 and 2217. E. | ||
| scan0011 | Delayed fitting of a new oil relief valve for the 20 HP and Phantom models. | ||
| View original record | To CJ. from Hs. X820E Hsl/LG20.3.26. OIL RELIEF VALVE. X5205 With reference to CJ1/E19.3.26. The new oil relief valve was not fitted to the 20 HP. car which recently went to France. We have not yet… | ||
| scan0012 | Proceeding with the detailing of improvements for Phantom & Goshawk oil relief valves. | ||
| View original record | To BY. from E. c. to CJ. Hs. X8205 E3/M23.3.26. PHANTOM & GOSHAWK OIL RELIEF VALVES. X.8205 X.5205 In reply to your memo. BY2/H20.3.26. we have not heard from Mr. Royce in any way regarding the… | ||
| scan0013 | Technical memo discussing the design of Phantom oil relief valves, proposing a three-valve system for extra security. | ||
| View original record | To Hs. BY. E. FROM R. LE CANADEL. c. to CJ. BJ. Wor. c. to RG. DA. X8205 R4/M24.3.26. PHANTOM OIL RELIEF VALVES. X. 8205 X. 7205 This new one should if possible be on EAC. 8. if not, then on EAC. 7.… | ||
| scan0014 | Comparing two blueprint schemes for Phantom oil relief valves, outlining their respective disadvantages. | ||
| View original record | X. 8205 To R. from E. c. to BJ. Hs. BY. E1/M20.4.26. PHANTOM OIL RELIEF VALVES. X. 8205 Please find herewith blueprint of LeC.2232 shewing the above revised in accordance with your suggestions. We… | ||
| scan0015 | Instruction to hold work on the Phantom Oil Relief Valves design to incorporate alterations for accessibility and crankcase compatibility. | ||
| View original record | X8205 To BY. from E. Copy to BJ. " HS. E8/M11.6.26. re. PHANTOM OIL RELIEF VALVES -LeC 2232 - X.8205. In accordance with Mr. Royce's wishes will you please hold up work on the above design as it is… | ||
| scan0016 | Revision to the Phantom oil relief valve and requesting tests on an experimental unit. | ||
| View original record | To BY. from E. c. to BJ. Hs. X 8205 E2/M26.6.26. PHANTOM OIL RELIEF VALVE. X.7205 X.8205 We send herewith LeC.2257 shewing a revision of the previous scheme made so that the new unit can be adapted to… | ||
| scan0017 | Oil pressure figures for Phantom relief valves. | ||
| View original record | To B.Y. from E. for Mr. Shelton. c. to H.S. X 8205 E1/M29.6.26. PHANTOM RELIEF VALVES. X.8205 X.7205 In response to the query you raise concerning the Phantom oil pressure, Mr. Jenner has given me the… | ||
| scan0018 | Corrections and alterations to a bow spring control model for a relief valve. | ||
| View original record | To BY. from E. c. to Hs. X. 8205 E2/M19.7.26. BOW SPRING TYPE OF CONTROL FOR RELIEF VALVE. In reply to your memo. BY9/H15.7.26., it was never intended that one side of the spring bow should become… | ||
| scan0019 | The bow spring type of control for a relief valve. | ||
| View original record | To E. (crossed out) C. Hs. x8205 BY/Cgh10/K. 22. 7. 26. BOW SPRING TYPE OF CONTROL FOR RELIEF VALVE. With reference to E2/M19.7.26., the two sides of the bow on the model submitted were, of course,… | ||
| scan0020 | Modifications to a bow spring control model for a relief valve. | ||
| View original record | To BY/CGH. from E. c. to Hs. X8205 E1M24.7.26 BOW SPRING TYPE OF CONTROL FOR RELIEF VALVE. X.8205 X.7205 In reply to your memo. BY/CGH10/K22.7.26., the two sides of the bow on the model submitted were… | ||
| scan0021 | Standardisation of an oil relief valve to improve reliability. | ||
| View original record | RR 755 (10H) (DB130 12-9-24) MS 301225 XC205 COMPLETED 20.10.26 STANDARDISATION of CHASSIS PARTS. Date 22.9.26 Description of Parts: OIL RELIEF VALVE. Origin: To improve reliability. Experimental Test… | ||
| scan0022 | Oil pressure inconsistencies in 40/50 Oil Relief Valves. | ||
| View original record | Hs. +8205 re 40/50 Oil Relief Valves. As the result of investigating a request from a Depot for information regarding the pressure of the oil supply, we recently took the pressure, on a number of… | ||
| scan0023 | Oil pressure specifications and operation for Phantom oil relief valves. | ||
| View original record | To Mx. from Hs/AJL. c. EY. X8205 Hs/AJL1/T22.11.26. RE PHANTOM OIL RELIEF VALVES. Mx/Mcm7/T17.11.26 An oil pressure of 5 lbs/sq." to the rocker shaft is quite in order on the chassis, we do not… | ||
| scan0024 | Continuation of a note explaining a calculation for main oil pressure. | ||
| View original record | Contd. -2- Hs/AJL1/T22.11.26. Similarly the main oil pressure given as 25 lbs/sq." on the drawing is increased by both the low pressures giving a pressure of 25 +5 + 1 = 31 lbs/sq." plus a little due… | ||
| scan0025 | The testing of a 20 HP oil relief valve which is chattering and vibrating. | ||
| View original record | To R. from Hs/AJL. c. to RG. BJ. c. to Wor. E. c. to DA. BY. c. to OY. X8205 Hs/AJL1/LG30.11.26. 20 HP: OIL RELIEF VALVE (LeC|2235). X5205 This scheme embodies a bow spring type relief valve in one… | ||
| scan0026 | Testing a 20 HP pump to eliminate chattering by modifying the low-pressure oil connection to mimic the Phantom pump's design. | ||
| View original record | contd :- -2- In the next test the low pressure union on the 20 HP. pump was blanked up completely and the intake union of the Phantom relief valve unit connected up to a point on the pump delivery… | ||
| scan0027 | The specifications for springs in a Phantom oil relief valve. | ||
| View original record | To BY. from Hs. c. to BY/Shn. X8205 Hs2/LG6.1.27. PHANTOM OIL RELIEF VALVE. Arrgt.drg. E.75105. Springs for release valve should be as follows :- Main E.75748 giving 3 lbs. 12 ozs. at .600, 4 lbs. 8… | ||
| scan0028 | Alterations to the springs in Phantom relief valves due to incorrect ratings and their effect on oil pressure. | ||
| View original record | To Hs. from Hs/GWH. c. to BY. [Struck through] X8205 Hs/GWH1/LG9,6.27. PHANTOM RELIEF VALVES. In the production of the relief valves/of [handwritten] the springs have been altered to those instructed… | ||
| scan0029 | Three comparative graphs showing oil pressure versus engine revolutions for a Phantom new type relief valve. | ||
| View original record | PHANTOM NEW TYPE RELIEF VALVE. Graph 1: Y-Axis Label: LBS □" X-Axis Label: ENG. REVS. Line Labels: MAIN, ROCKER, GEARS BOW SPRING E.74522, E.21860 - .005" 3.5 OZS. TO CLOSE VALVE .050" CLEARANCE. MAIN… | ||
| scan0030 | The Phantom Relief Valve and the suitability of a new batch of bow spring material. | ||
| View original record | To BY. from Hs/GWH. X8205 Hs/GWH1/LG4. 7. 27. PHANTOM RELIEF VALVE. With the results taken on the unit test bed, we are of the opinion that we should retain springs E.76290 for rocker and gear valves.… | ||
| scan0031 | Drawing Lec. 2483 concerning the oil relief unit, gallery pipe, and a revised crankchamber design. | ||
| View original record | BY. from E. c. to BJ. Hs. | ||
| scan0032 | Alterations to the Phantom Oil Relief Valve. | ||
| View original record | BY. from E. c. to BJ. Hs. Y8205 E1/M19.11.27. PHANTOM OIL RELIEF VALVE. X.8205 X.7205 In reply to memo. BY10/K11.11.27., would you please note that R. wishes us to avoid any alterations in respect to… | ||
| scan0033 | 23' fan fouling the throttle governor housing and a proposal to reduce its diameter to 22'. | ||
| View original record | To Hs. 48220 BY/SS7/DB.14.1.25. Re EAC. - FAN. scrapped. We attach herewith blueprint of Scheme 602, showing a 23" dia: fan in position on the standard "V" & "W" Series chassis. The fan blade tip… | ||
| scan0034 | Results of bench experiments conducted on EAC radiator fans. | ||
| View original record | X8220 S E C R E T --------- To R. from EFC. c. CJ. Wor. c. Rg. Da. c. E. By. c. Hs. EFC3/T20.3.25. E. A. C. --------- X.1017. BENCH EXPERIMENTS ON EAC. RADIATOR FANS. X8220 The results now reported… | ||
| scan0035 | Development, performance testing, and design modifications of various experimental fans. | ||
| View original record | Contd. -2- EFC3/T20.3.25. A descriptive schedule of the various fans, the results of which have been selected for exhibition, is contained on each sheet. In the cases of Nos. 15, 16 and 17, the curves… | ||
| scan0036 | Experiments and modifications on various fan designs to achieve a low power-thrust curve. | ||
| View original record | -3- Contd. Subsequently we have experimented with another fan with which we started with the blades very wide, and the variations on this fan are represented by (16), (17) and (18), though in the… | ||
| scan0037 | Continued report on experiments to optimize engine fan blade performance and efficiency. | ||
| View original record | -4- Contd. Our experiments now show that the speed-thrust curve may be lowered by increasing the trailing curvature of the blades, up to a certain point, without raising the power-thrust curve;… | ||
| scan0038 | Engine fan speed ratios, belt drive optimization, and proposals for road experiments. | ||
| View original record | EFC3/T20.3.25. -5- Contd. is found to be .85 only for fan 18, as compared with (1). Seeing that the 40/50 engine fan ratio is 1.20, this puts the lower limit of fan speed for the 18 fan as nearly down… | ||
| scan0039 | Suggestion to standardize an experimental improvement on a fan drive ratio. | ||
| View original record | EFC3/T20.3.25. -6- Contd. is suited to the present drive ratio of 1.2. We therefore suggest that our final form of fan might be considered as an experimental improvement upon the production form 15,… | ||
| scan0040 | Graph comparing the performance of various standard and experimental engine cooling fans, plotting speed and power against axial thrust. | ||
| View original record | NOS. & DESCRIPTIONS OF FANS. Fan tip diameter. (1) Std. 40/50 6-bladed fan. 22" (3) Original EAC. 4-bladed fan. 23" (9) Better of the two fans made as far as possible to recommendations by Prof.… | ||
| scan0041 | Graph comparing the thrust and power performance of various fan designs against fan speed. | ||
| View original record | MOTOR OR ENGINE POWER REQUIRED TO DRIVE FAN (HP) AXIAL THRUST OF FAN IN LBS WEIGHT FAN SPEED (R.P.M) THRUST POWER NOS. & DESCRIPTIONS OF FANS. Fan tip diameter. (1) Std. 40/50 6-bladed fan. 22" (3)… | ||
| scan0042 | V-belt contact points, experimental fan speed ratios, and an order for 300 chassis. | ||
| View original record | X8220 EFC. Hs. BY/SS. BY18/H. 23.3.25. FAN. X8220 x1017 Referring to EFC4/T. 20.3.25. we have always reckoned that the driving radius of a "V" belt is approximately 1/3 of the vertical distance the… | ||
| scan0043 | And recommending new experimental ratios for Kestrel Airscrew Carrier (EAC) Fans. | ||
| View original record | To EY. from EFC. c. Dr/SS. c. Hs. X8220 EFC/T24.3.25. X.1017. RE' EAC. FANS. X8220 We are in receipt of your EY18/H23.3.25. With reference to the originally suggested ratios of 1.05 to 1, 1.12 to 1,… | ||
| scan0044 | The failure of original EAC 4-bladed sheetmetal fans. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. EXPERIMENTAL REPORT. To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. Expl. No. X8220 REF. Hs6/LG1.4.25. S E C R E T. EAC. FAN. We have had… | ||
| scan0045 | Request to produce an experimental fan set with alternative higher speed ratios based on Mr Clarke's request. | ||
| View original record | c. to EFC. X8290 BY/SS4/DB.2.4.35. EAC.VI - FAN - HIGHER SPEED RATIOS. X1017. X.8220. With reference to Mr Clarke's request for further speed ratios in connection with the EAC.Fan, please produce one… | ||
| scan0046 | Requesting the production of one set of a fan blade and flange, accompanied by blueprints. | ||
| View original record | [REDACTED] c. to EFC. X8220 BY/SS3/DB.24.4.25. Re EAC.VI - Fan - Sec:5220. X.8220. Please receive herewith two blueprints of each of the following drawings, detailed from model No.18 supplied by EFC:-… | ||
| scan0047 | Broken E.A.C. fan belt that failed during engine testing. | ||
| View original record | Hs. By. X8220 Mx/McM4/MMC6 .5.25. Re: E.A.C. FAN BELT. We send you herewith a piece of belting that has been in use on the Unit Test bed. It has been driving an old type fan for about 70 hours, and a… | ||
| scan0048 | Precautions to ensure fans and fan belts on the new 'Phantom' chassis are balanced and run smoothly. | ||
| View original record | To CJ! from Hs. [Handwritten]: f 8220 Hs7/LG4.6.25. RE. CAR NO.15-MC. [Handwritten]: f8950 (Struck through) [Handwritten]: f8220 Referring to CJ2/D27.5.25. Precautions are now being taken so that all… | ||
| scan0049 | Engine overheating, discussing fan and cowl design. | ||
| View original record | R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. 78220 EXPERIMENTAL REPORT. Expl. No. REF: Hs1/LG17.7.25. X766 X8250 OVERHEATING. To CJ; from Hs; With reference to the memo: from Lord Montagu. Our… | ||
| scan0050 | Continued report on radiator efficiency tests, comparing airflow at different vehicle speeds. | ||
| View original record | contd :- -2- because in climbing mountain passes the lorries would be travelling at a very slow speed - 3 or 4 m.p.h. With a car however, travelling 20 to 30 m.p.h., the speed of the car would force… | ||
| scan0051 | Experiments with the Phantom's radiator fan and shutter control design. | ||
| View original record | To Hs/Rm, from DA. X8220 Da4/M9.5.27. PHANTOM - RADIATOR AND FAN. X. 8220 X. 9250 Replying to Hs/Rnl/T25.4.27., re. experimenting with a fan on the Phantom, pushed closer to the radiator tubes in the… | ||
| scan0052 | Black finish on a control quadrant, suggesting re-engraving the lettering to show as German Silver. | ||
| View original record | X.3430 chassis By. from Bn. Copy to EH. Bn13/W23.6.19. RE BLACK FINISH TO CONTROL QUADRANT. The sample which you referred to me is, I think, quite satisfactory as regards the quality of the black… | ||
| scan0053 | List of assembled parts and their corresponding numbers for chassis 1.E.X. | ||
| View original record | +3430 Extract from RHC1/LG3C.6.19. RE CHASSIS 1.E.X. The above chassis is now complete and it has been assembled as follows:- "E" SECTION. to S.S. No. REMARKS. X.3474. Wire Fittings. E.17146 X.3438.… | ||
| scan0054 | Oil leak from the Magneto Control Tube on a 40/50 chassis and a request to investigate a fix. | ||
| View original record | EH. from BN. c. to R c. to Da. copy Bnl8/W2.7.19. RE MAGNETO CONTROL TUBE ON STANDARD 40/50 CHASSIS. X.3430 During the Conference held in London on June 19th. Mr. Hanbury informed us that he found… | ||
| scan0055 | Inquiry about the lubrication requirements and potential under-oiling of the control sphere on a 40/50 chassis. | ||
| View original record | R.R. 235 a (200 T) (S.F. 103, 25-10-18) G. 2244. EH from Bn. Copy to Capt. Hallam Da. X7430 RE LUBRICATION OF CONTROL SPHERE ON 40/50 CHASSIS. I understand from Mr. Hanbury that there is some doubt as… | ||
| scan0056 | Solution for oil leaks from the magneto control on the 40/50 chassis. | ||
| View original record | To BN. from EH. C. to DG. RE OIL LEAKS FROM MAGNETO CONTROL ON 40/50 CHASSIS. X.3604 With reference to Mr. Hanbury's complaint of the oil leaking from the Magneto Control tube, this was a complaint on… | ||
| scan0057 | Oil leakage from the magneto control tube on the 40/50 chassis. | ||
| View original record | X3607 To Mr. Hanbury from Bn. Copy to EH. RE MAGNETO CONTROL TUBE ON 40/50 CHASSIS. You will remember that at the Conference on June 19th. you raised the question of oil leakage from the engine body… | ||
| scan0058 | Lubrication of the Control Sphere on a 40/50 HP chassis. | ||
| View original record | R.R. 235 B (200 T.) (S.F. 103. 25-10-18.) G. 2244. To Hs. from Bn. Copy to Be. X3230 Bn21/W20819. RE LUBRICATION OF CONTROL SPHERE ON 40/50 HP. CHASSIS. Some weeks ago I think we agreed that it would… | ||
| scan0059 | Adjustment of the control connection between the throttle and the governor. | ||
| View original record | Da. from EP. c. to Hs. c. to E. c. to BY. X.3430 EP4/F16.4.21. X.3443 X.3430 RE. ADJUSTMENT OF CONTROL CONNECTION BETWEEN THROTTLE AND GOVERNOR. It is essential in the setting of these controls to… | ||
| scan0060 | Car's fuel consumption performance and mixture control operation. | ||
| View original record | X3430 CJ. from Hs. X3430 X3056 CONSUMPTION. Hs1/LG20.6.21. Referring to your CJ13/E15.6.21 and letter from Mr. A. E. Claremont attached. We consider that 14 miles per gallon is a creditable… | ||
| scan0061 | Letter from Rolls-Royce of America requesting prints for the alteration to the lubrication of the Axle Control Sphere. | ||
| View original record | X3430 1 Oy5 - G 4821 August 4, 1921 Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention: Messrs. Bailey & Hives. Dear Sir:- X3430 X3681 Re: Lubrication of Axle Control… | ||
| scan0062 | Letter from The Steam Fittings Co., Ltd. offering thermostatic devices for motor-cars. | ||
| View original record | TELEGRAMS: "CINCH, WEST DRAYTON." A.B.C. CODE 5TH EDITION. X3430 TELEPHONE: 18 YIEWSLEY. THE STEAM FITTINGS Co., LTD., MANUFACTURERS OF LOW AND HIGH PRESSURE STEAM TRAPS. "THE WELDECK," "THE MIDGET,"… | ||
| scan0063 | Introductory page for a catalogue on automatic temperature control systems. | ||
| View original record | THE STEAM FITTINGS CO. Ltd., West Drayton, Mdx. Automatic Temperature Control. INTRODUCTION. AUTOMATIC REGULATION OF TEMPERATURES has not previously received anything like the same attention in this… | ||
| scan0064 | Product data sheet for 'SAMSON' Automatic Temperature Regulators for rooms and liquids. | ||
| View original record | THE STEAM FITTINGS CO. Ltd., West Drayton, Mdx. Automatic Temperature Regulators For Rooms and Liquids. AUTOMATIC TEMPERATURE REGULATORS serve the purpose of maintaining constant temperatures by… | ||
| scan0065 | Brochure for 'SAMSON' Automatic Temperature Regulators for controlling room and liquid temperatures. | ||
| View original record | THE STEAM FITTINGS CO. Ltd., West Drayton, Mdx. “SAMSON” Automatic Temperature Regulators Are applicable to Regulation of Room temperatures, within plus-minus one degree, when heated by radiators, hot… | ||
| scan0066 | Brochure for 'SAMSON' Automatic Temperature Regulators from The Steam Fittings Co. Ltd. | ||
| View original record | THE STEAM FITTINGS CO. Ltd., West Drayton, Mdx. “SAMSON” Automatic Temperature Regulators. The complete Standard Regulator consists of Thermostat (A), Connecting Tube (B), Valve Controller (C), and… | ||
| scan0067 | Price list and specification sheet for 'SAMSON' automatic temperature regulators for rooms. | ||
| View original record | THE STEAM FITTINGS CO. Ltd., West Drayton, Mdx. “SAMSON” Automatic Temperature Regulators. PRICES OF REGULATORS FOR ROOMS. STANDARD TYPE. Valve Diam.: ½" & ⅝", ¾", 1", 1¼", 1½", 2", 2¼", 2½", 2¾", 3",… | ||
| scan0068 | Product sheet for 'SAMSON' automatic temperature regulators for rooms. | ||
| View original record | THE STEAM FITTINGS CO. Ltd., West Drayton, Mdx. "SAMSON" Automatic Temperature Regulators. PRICES OF REGULATORS FOR ROOMS. SELF-CONTAINED TYPE. Table of specifications: Valve Diam.: ½" & ⅝", ¾", 1",… | ||
| scan0069 | Price list and specification sheet for 'Samson' Automatic Temperature Regulators. | ||
| View original record | THE STEAM FITTINGS CO. Ltd., West Drayton, Mdx. "SAMSON" Automatic Temperature Regulators. PRICES OF REGULATORS FOR LIQUIDS, DRYING CHAMBERS, etc. TABLE 1: Valve Diam.: ½" & ⅝", ¾", 1", 1¼", 1½", 2",… | ||
| scan0070 | Specification sheet for 'SAMSON' Automatic Temperature Regulators detailing their standard dimensions. | ||
| View original record | THE STEAM FITTINGS CO. Ltd., West Drayton, Mdx. "SAMSON" Automatic Temperature Regulators DIMENSIONS OF STANDARD REGULATORS. Room Type. Liquid Type. Dimensions are approximate and subject to… | ||
| scan0071 | Inquiry about a suitable automatic temperature regulator for an exhaust-heated induction pipe jacket. | ||
| View original record | X3430 Hs1/LC. 24th. Aug. 1921. The Steam Fitting Co.Ltd., West Drayton, Middlesex. Dear Sirs, We should like to know whether you have a suitable automatic temperature regulator for maintaining a… | ||
| scan0072 | Standardisation of knobs on control levers, changing the material from ebonite to bakelite. | ||
| View original record | R.R. 755 (10H) (SL 72 18-7-23) MP 274954s. X3438 COMPLETED 3.11.23. STANDARDISATION of CHASSIS PARTS. Description of Parts. KNOBS ON CONTROL LEVERS. Origin: To facilitate production. Experimental Test… | ||
| scan0073 | Secret memorandum detailing alterations to engine controls for the addition of a throttle governor. | ||
| View original record | To BY. from E. c. to CJ. Hs. 48270 SECRET. E1/M30.6.24. E.A.C.11. ENGINE CONTROLS. X.9840 X8240 X.9140 X8140 We send herewith drawings Nos.Lec.1886/1887/1889., dealing with the alterations to the… | ||
| scan0074 | Alterations for adding a throttle governor carburetor to an engine, referencing drawing No.LeC.1388. | ||
| View original record | To BY. from E. c. to CJ. HS. +8240 SECRET. E2/M1.7.24. X8140 X8240 X 9240 X. 9140 E.A.C.11. ENGINE CONTROLS. ALTERATIONS FOR ADDITION OF THROTTLE GOVERNOR CARB. SIDE OF ENGINE. We send you herewith… | ||
| scan0075 | Extract discussing issues with the 40/50 carburettor control and proposing the Goshawk type as a replacement. | ||
| View original record | Extract from DA/EV4/M14.7.24. X3430 RE. VISIT TO SALES ON THE 10TH. INST: (5) 40/50 CARBURETTER CONTROL ON INSTRUMENT BOARD. X.3430. X.2768 X.4613 With the isolation scheme for the scuttle and dash… | ||
| scan0076 | Modification to the front axle control, specifically raising the cross steering tube. | ||
| View original record | To BY. from DA. c. to CJ. HS. SECRET. DA3/M24.7.24. WAC.11. FRONT AXLE CONTROL. Handwritten: X8240 (crossed out), X8920 X8240 (crossed out), X.9420 X.9240 Herewith we send N.sch.1827., shewing the… | ||
| scan0077 | Relocating the carburetter control to the steering column and the design of a new double-acting radiator shutter control. | ||
| View original record | To EY. & HS. from R. c. to CJ. BJ. RG. DA. E. PN. X8240 SECRET. RL/M8.8.24. X8240 E. A. C. 11. CONTROLS. X.9240 (struck through) X.9250 (struck through) X.3456 X8250 In consequence of the multiplicity… | ||
| scan0078 | Secret memo discussing the arrangement of radius rods and front springs for a parallel control system. | ||
| View original record | X.8240 To BY. from DA. c. to CJ. HS. S E C R E T. DA2/M12.8.24. E.A.C.11. RE. PARALLEL CONTROL. X.8240 We send herewith N.sch. 1830 shewing the arrangement of the radius rod and rear bracket of front… | ||
| scan0079 | Dashboard sketch, bonnet and dash arrangements, and control fittings for a model chassis. | ||
| View original record | 48240 To BY. from DA/EV. c. to CJ. HS. S E C R E T. DA/EV2/M15.9.24. EAC.11. BONNET AND DASH. X.8260 X.8240 X.5500 X.4555 We thank you for your telegram of today. Herewith we attach a dimension sketch… | ||
| scan0080 | Secret memo detailing the revised dashboard layout (Scheme 1847), including the relocation of controls and required modifications. | ||
| View original record | X8240 To BY. from DA. c. to CJ. c. to Hs. SECRET. DA2/M17.9.24. E. A. C. II. DASHBOARD ARRANGEMENT. X.8500 X.8840. We send herewith No. Scheme 1847.. shewing the layout of the dashboard which is… | ||
| scan0081 | Secret memo discussing two design schemes for a carburetter mixture control system, comparing a solid shaft with a tube design. | ||
| View original record | X8240 To BY. from E. S E C R E T. E1/M3.10.24. c. to CJ. HS. E.A.C.11. CARBURETTER MIXTURE CONTROL. X.8240 X.3080. Referring to the above we send you herewith drawings No.LeC.1931., and 1934. The… | ||
| scan0082 | Slow running of the EAC.11 engine and proposing carburettor control modifications. | ||
| View original record | To Hs. from R. c. to CJ. X8240 S E C R E T. R7/M6.10.24. EAC.11. SLOW RUNNING. X.8770 X.8240 X.8771 X.8080 I was interested to learn that the slow running of the EAC. engine on the test bed is equally… | ||
| scan0083 | Secret memorandum detailing modifications to the throttle control gear. | ||
| View original record | X. 8240. To BY. from E. S E C R E T. c. to CJ. Hs. E1/M11.11.24. EAC.11. CONTROL GEAR. X. 8240. We send herewith drawing No. LeC.1946., shewing the modifications to the throttle control to make… | ||
| scan0084 | The development of an inverted mechanism for 'B' steering, part of the 'Series 'V' Controls' project. | ||
| View original record | To BY. from E. c. to CJ. HS. X8240 SECRET. E3/MM3.1.25. E. A. C. RE. SERIES 'V' CONTROLS. X. 8240 X. 8430 Regarding the discussion in connection with the above during your last visit here, we have now… | ||
| scan0085 | Secret memo detailing modifications to the 'V' Series engine controls. | ||
| View original record | X. 8240 To BY. from E. S E C R E T E2/M14.1.25. c. to CJ. HS. E. A. C. ENGINE CONTROLS - 'V' SERIES. X. 8240 We send you herewith drawings LeC.1980/81/82., shewing the EAC. controls modified for 'V'… | ||
| scan0086 | Secret memo detailing five proposed modifications for a thermometer and its related wiring. | ||
| View original record | X8240 To R. from E. c. to CJ. c. to Hs. S E C R E T. E3/M20.3.25. E. A. C. THERMOMETER. X.3565 X.8250 X.8240 Referring to scheme 625, made to our instructions in Derby, and of which DA. has already… | ||
| scan0087 | 'V' series shutter control and instrument board positioning. | ||
| View original record | To DA: from R. c. to CJ. E. c. to BY. Hs. x8240 S E C R E T. R2/M23.3.25. E. A. C. 'V' SERIES SHUTTER CONTROL. X. 8240 X. 8250 I have written elsewhere about the shutter control. It seems an easy… | ||
| scan0088 | Order and application of experimental controls for shutters and starting carburettor. | ||
| View original record | +8240 Mr. Shelton. Hs. [Struck through] c. Mr. Booth. BYS/H. 1.4.25. ------------------------ CONTROLS FOR SHUTTERS AND STARTING CARBURETTER ON INSTRUMENT BOARD.… | ||
| scan0089 | Secret memo regarding a complaint about accelerator control wear and a proposed modification to increase clearance and effective stroke. | ||
| View original record | To Hs. from E. c. to CJ. BY. S E C R E T. x8240 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… | ||
| scan0090 | Secret internal memo detailing modifications and addressing issues with 'V' Series controls. | ||
| View original record | X. 8240 SECRET E1/M18.4.25. To BY. from E. c. to Hs. c. to Mr. Shelton. 'V' SERIES CONTROLS. I was rather surprised to receive your memo. BY4/H16.4.25., as I have been over the matters raised on these… | ||
| scan0091 | Critiquing the design of radiator, shutter, and other control mechanisms. | ||
| View original record | +8240 To DA. & BY. FROM R. S E C R E T. R1/M19.4.25. c. to CJ. RG. HS. E. A. C. c. to E. . RADIATOR, SHUTTER & OTHER CONTROL. X.8250 N. SCH.1970. X.8240 I am not quite convinced that the details shewn… | ||
| scan0092 | Method of fixing control pins, proposing a press fit to prevent them from working loose. | ||
| View original record | X. 8240 To BY. from E. c. to CJ. Hs. E1/M20.4.25. CONTROL PINS FIXED BY HOLLOW RIVETTING. With regard to your memo. BY3/H16.4.25., I had discussed this matter with Mr. Shelton before leaving Derby on… | ||
| scan0093 | Accelerator control movements and suggesting modifications to a lever for the 'EAC' and 40/50 HP models. | ||
| View original record | X8240 To E. from Hs/Rm. c. to BY. DA. Hs/Rml/LG22.4.25. S E C R E T. 'EAC' CONTROLS. +8240 (crossed out) X8470 X8080 We have laid out the respective accelerator movements of the EAC. and 40/50 HP. As… | ||
| scan0095 | Diagram and calculations for the E.A.C. accelerator pedal movement. | ||
| View original record | E.A.C. ACCELERATOR PEDAL MOVEMENT MOVEMENT POINT = π x 2.75 x 80 / 360 x 1 / 1.5 = 1.28" ANGULAR MOVEMENT OF LEVER B TO MOVE A THROUGH 1.28" / 1.375 = 72° THIS IS DUE TO TOGGLE ARRANGEMENT RESULTANT… | ||
| scan0096 | Issues with fitting control pins, comparing press fit, solid riveting, and a preferred taper fit. | ||
| View original record | +8210 By. c. GJ. c. Hs. BY12/H. 5.5.25. CONTROL PINS. E1/M. 20.4.25. It is not possible to control the size of the holes in the lever ends and the diameter of the pins to ensure a press fit, as the… | ||
| scan0097 | Overlooked drawing for 'X' Series shutter and starting carburetter control modifications. | ||
| View original record | To BY. from DA. c. to Hs. +8240 DA1/M6. 7. 25. 'X' SERIES - MODIFICATIONS TO SHUTTER AND STARTING CARBUR- ETTER CONTROL. X. 8280 X. 8240 We find that by an over-sight we have omitted to send you a… | ||
| scan0098 | Modifications to the 'X' series radiator shutter control and dashboard layout. | ||
| View original record | To BY. from DA. c. to Hs. Memo DA4/M14.7.25. X.8690 X.8250 X.8240 'X' SERIES - RADIATOR SHUTTER CONTROL ETC. It is very probable that we shall want to revert to the shutter control shewn on… | ||
| scan0099 | Clarifying misunderstandings about the 'W' series radiator and bonnet design. | ||
| View original record | +8240 To BY. from DA. c. to Hs. 'W' SERIES RADIATOR BONNET AND DASH. X. 8250 X. 8240 X. 8500 Replying to your BY2/H13.7.25., and referring to the 'W' series radiator, we may have conveyed to Hs. an… | ||
| scan0100 | Design proposals for a 'W' Series radiator, including shutters and dimensions. | ||
| View original record | +8240 To CJ. BY. HS. FROM R. R2/M16.7.25. RE. 'W' SERIES RADIATOR (BY7/H13.7.25). X18250 X. 8240 We are not sure that we like the paper radiator, and it has not run 10,000 miles. The 3rd. proposal of… | ||
| scan0101 | Design of radiators, shutters, and louvres for 'V' series and experimental models. | ||
| View original record | To BY. from R. c. to Hs. ferm/40 RE. RADIATORS, BONNET X. 8250 SHUTTERS & LOUVRES. X. 8240 We are perfectly contented with 'V' series radiator simply raised 1", or we are contented with a parallel… | ||
| scan0102 | Issues with loose control ball joints and proposing modifications to drawings and tolerances. | ||
| View original record | To BY. from E. c. to CJ. Hs. 78200 El/M8. 8. 25. CONTROL BALL JOINTS. X. 8240 X. 8310 X. 8320 Regarding the trouble that has been experienced with control balls coming loose in levers, Mr. Royce is of… | ||
| scan0103 | Arrangements for altering the 'New Phantom' radiator shutter and carburetter mixture controls. | ||
| View original record | To Hs. from BJ. Copy to.... CWB. BJ2/H9.10.25. X8240 "NEW PHANTOM" - RADIATOR SHUTTER CONTROL. CARBURETTER MIXTURE CONTROL. I attach copies of CWB23 and CWB24 of the 7th. Before sending these to West… | ||
| scan0104 | Highlighting potential damage to the New Phantom's carburettor mixture control lever from the bonnet. | ||
| View original record | C O P Y. BJ. Copy to PN. H. CWB23/LH7.10.25. NEW PHANTOM CHASSIS. Carburetter Mixture Control. It has been reported to me that the levers operating the mixture control on the 'New Phantom' are very… | ||
| scan0105 | Sensitivity of the 'New Phantom' radiator shutter control and proposing a modification. | ||
| View original record | COPY. BJ. CWB24/LH7.10.25. "NEW PHANTOM" RADIATOR SHUTTER CONTROL. This control is very sensitive. In practice, the whole useful range is three notches out of the total number provided. That is to… | ||
| scan0106 | Issues with bonnet closure and potential alterations to the shutter control lever on the New Phantom. | ||
| View original record | +8240 To BJ. from Hs. c. to CWB. Hs7/LG9.10.25. NEW PHANTOM CONTROLS. +8240 +8260 BJ2/H9.10.25 - copies of CWB23 - CWB24LH/7.10.25 attached. The difficulty with closing the bonnet when the mixture is… | ||
| scan0107 | Carburetter control modifications for the 'New Phantom'. | ||
| View original record | X8240 To Hs. from BJ. Copies to BY. H. BJ12/H20.10.25. "NEW PHANTOM" CONTROLS. Below is a copy of H1/TB/19.10.25. Kindly let me know whether you consider anything can be done to deal with this matter… | ||
| scan0108 | Standardisation proposal for the low speed jet control cone on the Phantom. | ||
| View original record | RR 755 (10H) (SL391 2-11-23) MP 281297 48240 COMPLETED 30.10.25. STANDARDISATION of CHASSIS PARTS. Date 14.10.25. No. 8080 / S240 Description of Parts. LOW SPEED JET CONTROL CONE; Origin. To give… | ||
| scan0109 | Complaint about rattling controls on the New Phantom steering column and proposed anti-rattle solutions. | ||
| View original record | To BY. from DA. c. to CJ. Hs. 78240 DA1/M23.1.26. X. 8430 X. 8240 X. 4117 NEW PHANTOM STEERING COLUMN. We understand from HR. that Mr. Minchin has made a rather emphatic complaint about the controls… | ||
| scan0110 | Four potential solutions with diagrams to stop rattles in the Phantom controls. | ||
| View original record | X.8240 To DA. ) FROM R. BY. } LE CANADEL. R3/M4.2.261 HS. ) c. to W.J. B.J. PHANTOM CONTROLS. STOPPING THE RATTLES. The scheme sent does not seem good enough: try some others, which must be simple. My… | ||
| scan0111 | Design of engine auxiliary controls, specifically for magneto and steering columns 'B' and 'C'. | ||
| View original record | To BY. from E/C.L.Jenner. c. to CJ. Hs. X8240 CLJ/1/M15.2.26. EAC. CONTROLS. X. 8240 X. 8430 We send you herewith :- Lec.2198. Magneto controls. " 2200. Control for 'B' column. " 2201. Control for 'C'… | ||
| scan0112 | Tests determining the efficiency of ignition controls and the associated oil relay. | ||
| View original record | Expl: Report: [Redacted] Expl: No: x8240 Ref: Eg/Rm2/LG16.2.26. IGNITION OIL RELAY. x8240 x8685 Efficiency of Ignition Controls. We have carried out tests to determine the over all efficiency of the… | ||
| scan0113 | Initial tests to determine the efficiency of a different type of piston compared to the standard cup leather. | ||
| View original record | contd :- -2- Our initial tests were therefore made with the object of dis-covering whether another type of piston would produce a better efficiency than the present standard cup leather. Our tests of… | ||
| scan0114 | Test report comparing the load-lifting performance of five different piston types under specific operating conditions. | ||
| View original record | contd :- -3- TYPE OF PISTON. 1000 r.p.m. Load lifted by piston. Oil press: 13.5 lbs/sq.in. Temp. 60°C (1) Standard Piston. Cup leather well worn and pliable. --- 15 lbs. (2) As (1) with a light ring… | ||
| scan0115 | The efficiency of an oil relay, detailing tests on expanding rings, power controls, and magneto friction. | ||
| View original record | contd :- -4- on "Efficiency of Oil Relay"). It will be seen from these figures that so far rings substituted for the cup leather have not proved a success. A light ring under the cup leather to expand… | ||
| scan0116 | Explanation of the forces and mechanics for the hand control of the magneto, relay, and pressure piston. | ||
| View original record | contd :- -5- the stiction with the engine stationary being counter-balanced by the fact that when running the cam action tends to retard the magneto all the time. The condition is therefore that with… | ||
| scan0117 | Investigation into the characteristics of an ignition governor and oil relay. | ||
| View original record | contd :- -6- of dealing with 27 lbs. due to the load required to operate the controls plus 10 lbs. due to the return spring. As we have shewn from our piston efficiency tests, an oil pressure of 15… | ||
| scan0118 | Technical note with a diagram explaining the relationship between effective pressure, load, and gaps in a piston system. | ||
| View original record | contd :- -7- The load was further reduced, and at each reduction the pressure piston rose until with 40 lbs. load it has moved through 85% of the distance it would have traversed with no resistance to… | ||
| scan0119 | Page discussing the variation of oil pressure with speed and its effect on load. | ||
| View original record | contd :- -8- oil pressure. this factor becomes of significance where previously it could be neglected. Amongst other things the initial ignition advance is delayed as the load does not start to lift… | ||
| scan0120 | Delays in testing and development of the back axle control for the Phantom model. | ||
| View original record | X8240 To Hs. Da. BY. AJS. } FROM R. LE CANADEL. c. to CJ. BJ. RG E. R2/M27.2.26. BACK AXLE CONTROL - PHANTOM. X.7350 X.8240 X.8350 X.7240 I had hoped that some time about now Hs., and possibly RG.,… | ||
| scan0121 | Relaying Mr. Royce's remarks on the case-hardening of control forks and pins. | ||
| View original record | To BY. from E. c. to BJ. Hs. X.8240 E2/M9.6.26. RE. CONTROL FORKS AND PINS ETC. In reply to your BY2/H7.6.26., with which you sent two samples of control forks fitted with pins that had no shoulders… | ||
| scan0122 | Standardisation of chassis parts relating to roller bearings for the carburetter throttle. | ||
| View original record | RR 755 REVISED (10H) (DE 444 6-10-26) BM. 48240 COMPLETED 13.12.26 STANDARDISATION of CHASSIS PARTS. Date: 18.11.26 Description of Parts. ROLLER BEARINGS TO CARBURETTER THROTTLE! Origin. To improve… | ||
| scan0123 | Standardisation of chassis parts by modifying the butterfly throttle angle and controls to clear the bonnet. | ||
| View original record | RR 755 REVISED (10H) (DE 444 6-10-26) BM. 48240 COMPLETED 13.12.26 STANDARDISATION of CHASSIS PARTS. Date 20.11.26 Description of Parts. MODIFIED ANGLE TO BUTTERFLY THROTTLE & MODIFIED CONTROLS TO… | ||
| scan0124 | Modifications to the Phantom front axle control system to replace the spring control with a shock damper. | ||
| View original record | X8240 To BY. from DA. c. to BJ. Hs. DA1/M14.12.26. PHANTOM FRONT AXLE CONTROL. X.8420 X.8240 X.8520 Herewith we send N.sch. 2323 shewing the modifications to the front axle control shewn on N.schs.… | ||
| scan0125 | Experiments and modifications for the Phantom front axle control lever and damper. | ||
| View original record | To BY. from DA. c. to BJ. Hs. X8240 DA4/M23.12.26. PHANTOM FRONT AXLE CONTROL. X.8240 X.8340 X.8420 X.634 X.7420 X.235 With reference to the experiments which have been carried out at our request to… | ||
| scan0126 | Removal of a second spring from the exhaust cutout mechanism following a new single-spring design. | ||
| View original record | Y82440 To Wor. from Hs. CLG124 Hs2/LG12.1.27. With reference to the attached. Originally, the second spring was fitted to the exhaust cutout in order to prevent the controls rattling. Experience in… | ||
| scan0127 | Proposing an experimental spring-controlled ball joint for a torque arm. | ||
| View original record | To BY. from Hs/Rm. 48240 Hs/Rm3/LG17.1.27 TORQUE ARM BALL JOINT. X8240 X.235 We should like to try experimentally a spring controlled ball at the apex of the torque arm. There are two reasons for this… | ||
| scan0128 | Standardisation of a single arm throttle governor control lever with a larger diameter roller. | ||
| View original record | RR 785 REVISED (10H) (DE 444 6-10-26) BM. Y.8240 COMPLETED 20.1.27 STANDARDISATION of CHASSIS PARTS. Date 15.12.26 Description of Parts. SINGLE ARM THROTTLE GOVERNOR CONTROL LEVER WITH LARGER DIAMETER… | ||
| scan0129 | Control for the exhaust cutout, suggesting the removal of a rod during coachbuilding to prevent damage. | ||
| View original record | To CWB. from Hs. c. to EP. X8240 Hs2/LG28.1.27. CONTROL FOR EXHAUST CUTOUT. X8490 We consider it is asking too much to expect the designers to alter the design of the cutout mechanism in order to… | ||
| scan0130 | Agreeing to a suggestion regarding the control for an exhaust cutout. | ||
| View original record | W/S CWB c. Hs c. BY c. PN c. Sg X8940 EP/Thn8/H10.2.27. re. CONTROL FOR EXHAUST CUTOUT. With reference to your memo CWB2/GM/7.2.27. we have discussed this matter with the officials at the Works, and… | ||
| scan0131 | Layout of an axle control damper, detailing steering lock angles and tyre specifications. | ||
| View original record | Hs FEB 15 1927 RECEIVED X8240 De. c. Hs. c. BY/HEB. c. BY/TWD. BY21/H. 14.2.27. LAY-OUT OF AXLE CONTROL DAMPER. --------------------------- Referring to the above, shown on N.Sch.2293, for obtaining a… | ||
| scan0132 | Standardisation of exhaust cutout and controls to prevent rattling and simplify the system. | ||
| View original record | RR 755 REVISED (10H) (DE 444 6-10-26) BM. X8240 COMPLETED 10.3.27 STANDARDISATION of CHASSIS PARTS. Date 23.12.26 Description of Parts. EXHAUST CUTOUT AND CONTROLS. Origin. To stop valve from rattling… | ||
| scan0133 | Standardisation of chassis parts, detailing the fitting of a new part and associated costs. | ||
| View original record | STANDARDISATION OF CHASSIS PARTS (1) The number of the first chassis on which the new part will be fitted ............ D2 series. (2) Date when the chassis will be handed to test… | ||
| scan0134 | Steering difficulties on the Springfield Chassis, particularly related to low-pressure tires and steering gear modifications. | ||
| View original record | X8240. OY/ from R. c. to BJ. Wor. Hs. c. to BY. E. Da. R1/MS. 8. 27. RE. SPRINGFIELD CHASSIS. X.3682 X.8240 X.3991 X.3692 X.8430 X.8420 OY's visit, and the remarks of Springfield require some… | ||
| scan0135 | Brake mechanism noises and exhaust banging issues, with recommendations for driving technique. | ||
| View original record | contd :- -2- (2) X.2420 BRAKE MECHANISM. Regarding the clanking in the brake mechanism, the only shock we know of is one occurring when the brakes are suddenly applied, and the servo is made to act… | ||
| scan0136 | Page concluding a discussion on the benefits of a high-speed governor and roller bearing throttle. | ||
| View original record | contd :- -3- (a) in shunting. (b) in starting on a hill. (c) in changing gear by inexpert hands. (d) in preventing firing in exhaust by automatically completely closing the throttle when engine… | ||
| scan0137 | Standardisation of chassis parts for modified controls for shutters and starter carburetter. | ||
| View original record | RR 755 REVISED (10H) (DE.649 9-12-26) BM. 2/1187. 48240 COMPLETED 5.10.27 STANDARDISATION of CHASSIS PARTS. Date 11.5.27 Description of Parts. MODIFIED CONTROLS FOR SHUTTERS AND XX STARTER… | ||
| scan0138 | Standardisation form for a new chassis part, detailing the test date, associated costs, and the first chassis for fitting. | ||
| View original record | STANDARDISATION of CHASSIS PARTS (1). The number of the first chassis on which the new part will be fitted. 'E' Series. (2). Date when the chassis will be handed to test. 1.4.28. (3). Cost of scrapped… | ||
| scan0139 | Fitting of controls and instruments on Barkers Continental Phantom experimental models. | ||
| View original record | DA. [crossed out] c. Hs. [crossed out] c. Sg. [crossed out] X8240 BY/Cgh16/G.3.2.28. re BARKERS CONTINENTAL PHANTOM. --------------------------- With reference to EV3/EBN1.2.28. the controls are being… | ||
| scan0140 | Instructions regarding the positioning of controls and modifications for Barkers Continental Phantom models. | ||
| View original record | X4240 BY/Cghl/G.4.2.28. re BARKERS CONTINENTAL PHANTOM. ------------------------- With further reference to EV3/EBNl.2.28. the position as laid out in our BY/Cghl6/G.3.2.28. in regard to the controls… | ||
| scan0141 | Secret memo regarding the design, blueprints, and body style of a Sports Touring Car. | ||
| View original record | To CJ. & BJ. from DA/EV. c. to Hs. X8250 DA/EV2/M25.7.24. SECRET. E.A.C.II. X.8770 X.8830 X.8250/60 EV. leaves with you on Saturday morning the 26th inst. a blue print of N.Scheme 1828., shewing the… | ||
| scan0142 | The progress of a new radiator drawing, including details on the matrix, tubes, and shutter controls. | ||
| View original record | X. S250 S E C R E T. R4/ M25.7.24. To CJ. BJ. from R. c. to BY. HS. E.A.C.11. X. S250 We are making good progress with the drawing of the radiator for the above. This new model will have a 22" matrix… | ||
| scan0143 | Secret memo discussing body proposals for the EAC.2 model and radiator design considerations. | ||
| View original record | X.8250 R5/M25.7.24. To CJ. from R. c. to BJ. LHS. HS. S E C R E T. X8830 X8250 E.A.C.11. BODIES. Regarding the bodies for EAC.2. we are proposing that if six are needed, or four are needed, half of… | ||
| scan0144 | Secret memo regarding a mock-up of the bonnet, radiator, and dash for the E.A.C.II model. | ||
| View original record | To Ey. from BJ. Copies to C Hs. SECRET. BONNET, RADIATOR and DASH FOR E.A.C.II. With reference to DA/Ev2/M7.8.24, with regard to having a mock-up made immediately of the bonnet, radiator and dash for… | ||
| scan0145 | Proposed dimensions for the bonnet, radiator, and dash of the EAC.2 model, requesting a mock-up. | ||
| View original record | To EY. from DA/EV. c.c. to CJ. HS. 48250 SECRET E. A. C. 2. DA/EV2/M7.8.24. X8250 X8260 X.9250 X.9260 X.9500 X8500 We send herewith N.scj.1828., shewing the proposed dimensions of bonnet, radiator and… | ||
| scan0146 | Replacing the carburetter control on the steering column and a new radiator shutter control. | ||
| View original record | To BY. & HS. from R. c.c. to CH. BJ. RG. DA. E. PN. 18250 SECRET. RL/M8. 8. 24. E. A. C. 11. CONTROLS. X.9240 X.9250 X.3456 X9270 In consequence of the multiplicity of fittings on the instrument… | ||
| scan0147 | Secret internal memo discussing the specifications for a new car chassis with four-wheel brakes for sales approval. | ||
| View original record | X8250 To Hs. from R. c. to CJ. BJ. S E C R E T. & E. A. C. 2 or 3. R2/M14. 8. 24. X.9770 X.8770 X.8250. I think it very advisable for you to let WW. have a car fitted with four wheel brakes, and… | ||
| scan0148 | Bringing car EAC.11 for inspection after modifications and progress on the new EAC.111 chassis. | ||
| View original record | To R. from Hs. c. to CJ. c. to Wor. X8250 Hs8/LG19. 8.24. E.A.C.11. and 111. X8250 X8410 ~~X9250~~ ~~X9410~~ We propose bringing an EAC.11. car to WW. next week. If convenient to you we shall arrive… | ||
| scan0149 | Secret memo regarding the design and mock-up of a new radiator, bonnet, and dash. | ||
| View original record | To C. from DA/EV. S E C R E T. X8250 DA/EV1/M19.8.24. c. to BJ. R. c. to LHS. HS. BY. E.A.C.11. RE. RADIATOR, BONNET AND DASH. X. 8250 X. 8260 X. 8500 A mock-up bonnet, radiator and dash, is being… | ||
| scan0150 | Mock-up bonnet and radiator ready for sending. | ||
| View original record | To B.J. from Hs. c. to C. c. to DA/EV. x8250 Hs6/LG21. 8.24. EAC.11. BONNET AND RADIATOR. x8260 x8250 We have a mock-up bonnet and radiator made to the latest WW. designs, ready. Will you please let… | ||
| scan0151 | Increase in the height of the EAC.2 radiator matrix by altering its position in the frame. | ||
| View original record | To BY. from DA. c. to CJ. HS. C. XP250 S E C R E T. E. A. C. 11. RADIATOR, BONNET AND DASH. X. 8250/60 X. 8500. It has been generally agreed that an increase in the height of the matrix of the EAC.2… | ||
| scan0152 | Secret memo discussing the issue of water boiling in an engine and potential solutions. | ||
| View original record | To CJ. from R. c. to HS. BY. X8250 S E C R E T. R2/M2.9.24. E. A. C. RE. WATER BOILING. X.766 X.9250 X.8250 This matter was discussed during the visit of RG. Hs. to WW. You will see my memo. on the… | ||
| scan0153 | Secret memorandum detailing modifications to the front cross member and radiator suspension. | ||
| View original record | X8250 To BY. from DA/ c. to CJ. HS. S E C R E T DA1/M2.9.24. EAC.11. FRONT CROSS MEMBER AND RADIATOR SUSPENSION. X. 8250 X. 8380 We send herewith N. sch. 1842, shewing the new cross member arranged to… | ||
| scan0154 | Secret memo regarding drawings and controls for the radiator and radiator shutters. | ||
| View original record | X8250 SECRET. To BY. from E. c. to CJ. c. to Hs. E1/M4.9.24. E.A.C.II. RADIATOR & RADIATOR SHUTTERS. X.8250. X.8500. We send herewith drawings Nos. LeC.1910 and 1911, shewing the above. The control… | ||
| scan0155 | The delivery schedule for a dummy chassis required for EAC.11 bodies. | ||
| View original record | To Hs. from RHC. X8250 RHC16/EU22.9.24. RE. EAC.11. X. 8830 X. 8250/60 X. 8770 With reference to the dummy chassis which is required for EAC.11 bodies, we could have a chassis ready for despatch a… | ||
| scan0156 | Secret memo discussing arrangements for fitting a body to a chassis, suggesting using a complete chassis over a dummy to avoid suspicion. | ||
| View original record | 48250 To C. from Hs. c. to DA/EV. S E C R E T. Hs4/LG13.10.24. E.A.C.11. x8830 x8770 x8250 Referring to our conversation at Conduit Street on Thursday last. We are arranging to send a standard 40/50… | ||
| scan0157 | Secret memo confirming arrangements for building the first three Sports Model bodies at Barkers. | ||
| View original record | X8250 To HS. from DA/EV. S E C R E T. c. to CJ. R. DA/EV1/M13.10.24. E.A.C.11. SPORTS MODEL. X. 8830 X. 8250 X. 8260 This is to confirm our conversation of Friday last concerning the first three… | ||
| scan0158 | Design and specifications of a radiator specimen. | ||
| View original record | X8250 To Hs. from R. S E C R E T. R2/M23.10.24. c. to CJ. BY. EP. c. to E. DA. E.A.C.11. RADIATOR. X. 8250. (RE. VISIT OF HS. TO WW. ON WEDNESDAY, 22.10.24). I think the specimen of this with the… | ||
| scan0159 | Secret memorandum regarding the placement of the front number plate to improve airflow and aesthetics. | ||
| View original record | To Hs. from R. c. to CJ. DA. c. to E. BY. c. to EP. X8250 S E C R E T. R6/M23.10.24. E.A.C.11. RE. VISIT OF HS. TO WW. ON WEDNESDAY 22.10.24. FRONT NUMBER PLATE. X.8250 X.4152. The front number plate… | ||
| scan0160 | Secret memo from CJ to Hs regarding a suggestion for the EAC.II radiator and a request for a mock-up. | ||
| View original record | SECRET. X8250 To Hs. from CJ. EAC.II Radiator. CJ6/E28/10/24 Referring to the attached, could CWB's suggestion be carried out without interfering with the efficiency of the radiator? If so, if you… | ||
| scan0161 | Secret memorandum discussing the aesthetic impact of vertical versus horizontal radiator shutters on the E.A.C. II model. | ||
| View original record | C.J. S E C R E T. CWB2/LH27.10.24. E.A.C. II RADIATOR. --------ooo-------- With reference to R2/M23.10.24. - it is presumed that the essential appearance of the Rolls-Royce car is to be maintained in… | ||
| scan0162 | Secret memo regarding the design of the integral vertical radiator shutters for the EAC.11 car. | ||
| View original record | X8250 To CJ. from Hs. S E C R E T. Hs5/LG29.10.24. EAC.11. RADIATOR. With reference to EAC.11 radiator shutters and CWB2/LH27.10.24. The vertical shutters fitted to EAC.11. cannot be compared with the… | ||
| scan0163 | Secret memo requesting an update on the dispatch of dummy and real radiators and bonnets. | ||
| View original record | S/W Hs. Secret. X8250 C7/24.11.24. Will you kindly let me know when you expect to be able to send off the dummy radiators and bonnets as discussed when we were at Derby on Thursday last, the standard… | ||
| scan0164 | Secret memo regarding modifications to car EAC.11, including a dummy radiator and special lamp fittings, to be carried out at Barkers and Lillie Hall. | ||
| View original record | x8250 To C. from Hs. c.c. to DA/EVH S E C R E T. RADIATOR FOR EAC.11. Our man arrived at Barkers yesterday with the 40/50 HP. Dummy Radiator and Bonnet. We are also sending to our man a set of the… | ||
| scan0165 | Weight analysis of a sectioned radiator. | ||
| View original record | X8250 To Hs. from RHC. Sent to R. of E. H3/P29 6.11.24 RE EAC 11 RADIATOR. RHC3/EU 5. 11. 24. X8250 18840 We have sectionised the above radiator for the purpose of analysing the weights, which come… | ||
| scan0166 | Secret memo discussing the appearance of the EAC.11 model and a steering column vibration issue. | ||
| View original record | W/S. PN. from Hs. Y8250 S E C R E T. Hs2/LG13.11.24. EAC.11. Y8250 X8430 With reference to the appearance of the EAC.11. radiator and shutters. If you consider there is any doubt as regards the… | ||
| scan0167 | Standard color and optional materials for radiator shutters on a mock-up car. | ||
| View original record | S/W Hs. Secret X8250 C6/C27.11.24. EAC..Mock-up and Dummy. CJ. and BJ. have seen this car this afternoon and have approved of the appearance of the bonnet and dash, with the exception that the… | ||
| scan0168 | Secret memo from Hs to C regarding the EAC mock-up, radiator shutters, and the use of a dummy chassis. | ||
| View original record | 48250 To C. from Hs. S E C R E T. Hs4/LG28.11.24. EAC. MOCK-UP. 48770 The shutters of the EAC. are made of the same material as the outside of the radiator. The reason they appeared different on the… | ||
| scan0169 | Confirming radiator shutters are made of white metal and can be polished to match the radiator. | ||
| View original record | CJ...from C. F.R. X8250 CLO/06.12.24. When at Lillie Hall you asked me to ascertain from Hs. whether the radiator shutters might not be made of white metal similar to the radiator itself. Hs. says… | ||
| scan0170 | Investigations into vehicle overheating and recommendations for improvements and customer communication. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to E. BY. c. to Wor. 48250 Hsl/LG10.12.24. COOLING INVESTIGATIONS+ x766 Attached herewith is a memo. from BJ. We consider this is a matter you would like to decide. Our… | ||
| scan0171 | Engine cooling, a 10,000-mile test run, and an attached sketch of larger shutters. | ||
| View original record | contd : -2- when the engine stops, the water circulation is stopped and owing to local heating under these conditions, more water will be lost than if the engine is kept running. We have run a 40/50… | ||
| scan0172 | Secret internal memo regarding cooling investigations and the urgent need for alterations to cars to prevent overheating and customer complaints. | ||
| View original record | C O P Y. To Hs. from BJ. S E C R E T. BJ16/H9.12.24. c. to BY. COOLING INVESTIGATIONS. Experimental report Hs7/LG28.11.24. We are extremely interested in your very thorough investigations on this… | ||
| scan0173 | Engine cooling issues and radiator design for the 40/50 model. | ||
| View original record | 48250 To Hs. from R. c. to CJ. BJ. c. to E. BY. R1/M13.12.24. ENGINE COOLING. 40/50. X.766 X.3456 X.8250 For this large D. headed engine the front face of the radiator is short of area. The design of… | ||
| scan0174 | Supply of a sample radiator with nickel silver shutters and the issues with polishing them due to imperfections. | ||
| View original record | S E C R E T. +8250 To C. from Hs. Hsll/LG15.12.24. RADIATOR AND SHUTTERS. +A240 We have received a note from CJ. asking that we should supply a sample radiator fitted with nickel silver shutters made… | ||
| scan0175 | The arrival of specially finished radiator shutters from Derby. | ||
| View original record | Secret. S/W Hs. N8250 C14/C16.12.24. RADIATOR & SHUTTERS. Hs11/LG15.12.24. The specially finished radiator shutters have arrived from Derby. I will certainly let you know whether these are… | ||
| scan0176 | Explaining the reason for the dull finish on radiator shutters. | ||
| View original record | W/S. C. from Hs. S E C R E T. X8250 Hs6/LG23.12.24. RADIATOR SHUTTERS. XC4240 With reference to C4/C20.12.24. The EAC. radiator which was complained of that the material for the shutters and radiator… | ||
| scan0177 | Investigation into water loss from 'EAC' radiators. | ||
| View original record | To Hs. from Hs/Rn. V8250 Hs/Rml/LG12.3.25. LOSS OF WATER FROM 'EAC' RADIATORS. We carried out investigations on an EAC. engine running at 2750 r.p.m. partial load on the dynamometer to see if we could… | ||
| scan0178 | Road tests for the cooling of an EAC engine radiator. | ||
| View original record | R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. X8250 COPIES TO: RCJ BJ WOR. By. E. Da. EP. PN. OY. RG Expl. No. 8250 8/S 766 REF. HS4/LG31.3.25. OBJECT OF TEST. Cooling of EAC. Engine… | ||
| scan0179 | Comparing the cooling efficiency of a narrow-bladed fan against a broad-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/LG31.3.25. EAC. COOLING EFFICIENCY AND WATER PUMP DELIVERY. We have carried out tests on the road to determine the… | ||
| scan0180 | Comparing EAC and 40/50 cars, focusing on water pump delivery and flow rates. | ||
| View original record | R.R. 493A (50H) (D.B. 175 25-9-24) J.H.D. -2- Expl. No. REF: Hs/Rn/LG31.3.25. EXPERIMENTAL REPORT. COMPARISON EAC. AND 40/50 CARS. | | 30 m.p.h. | 40 m.p.h. | |---|---|---| | EAC. 'V' series. | 27.8°C… | ||
| scan0181 | Comparison of cooling efficiencies for E.A.C. and 40/50 systems at 30 and 40 M.P.H. | ||
| 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.… | ||
| scan0182 | Performance comparison graph of a standard 40/50 fan versus an experimental E.A.C. fan. | ||
| View original record | 1. STD. 40/50 6 BLADED FAN. (DRIVEN WITH 1.20 RATIO) 15. E.A.C. FAN INSTR.D FOR INITIAL PRODUC. (DRIVEN WITH 1.4 RATIO) THRUST POWER COMPARISON OF STANDARD 40/50 AND EXPERIMENTAL E.A.C. FAN POWER TO… | ||
| scan0183 | Secret memorandum detailing proposed modifications to a thermometer and ignition wire tube. | ||
| View original record | To R. from E. c. to CJ. c. to Hs. S E C R E T. H8250 E3/M20.3.25. E. A. C. THERMOMETER. X.3565 X.8250 X.8240 Referring to scheme 625, made to our instructions in Derby, and of which DA. has already… | ||
| scan0184 | 'V' Series shutter control and the positioning of the instrument board. | ||
| View original record | 48250 To DA. from R. c. to CJ. E. c. to BY. Hs. S E C R E T. E. A. C. R2/M23. 3. 25. 'V' SERIES SHUTTER CONTROL. X. 8240 X. 8250 I have written elsewhere about the shutter control. It seems an easy… | ||
| scan0185 | Critique of the design for a radiator shutter, other controls, and starter carburetter handle. | ||
| View original record | To DA. & BY. FROM R. c. to CJ. RG. HS. c. to E. X8250 S E C R E T. R1/M19.4.25. E. A. C. RADIATOR, SHUTTER & OTHER CONTROL. X.8250 N. SCH.1970. X.8240 I am not quite convinced that the details shewn… | ||
| scan0186 | Engine overheating, focusing on radiator tubes, thermostats, and shutters. | ||
| View original record | 18250 To Hs. from R. c. to CJ. BJ. BY. c. to HY. HM. EP. OVERHEATING. X. 766 X. 8250 With reference to the Springfield use of copper tubes instead of our brass ones, this should make no difference.… | ||
| scan0187 | Radiator and cooling system design improvements for the 'X' series. | ||
| View original record | contd :- -2- louvred bonnets, so that we must expect trouble if the shutters are not used. We have made the radiator as high as permits of seeing the front wings, as wide as the frame allows, (which… | ||
| scan0188 | Proposed changes to the track width for the 40/50 'X' series chassis. | ||
| View original record | To CJ. from R. c. to BJ. Wor. c. to RG. LHS. c. to Hs. BY. c. to DA. E. c. to PN. Y8250 R2/M12.5.25. RE. 40/50 AT 'X' SERIES. X. 8770 X. 8250 Y8350 Thank you for your memo. CJ10/E11.5.25. The track we… | ||
| scan0189 | Reporting a failure of the radiator shutter control rod on two trials cars, resulting in damage and requesting a modification. | ||
| View original record | X.8250 PN2/DN21.5.25. TO Hs c. to BJ FROM PN The vertical connecting rod of the radiator shutter control has come away from its attachment on two of our Trials cars, and in each case, the fan or… | ||
| scan0190 | Water boiling tests comparing the New Phantom against the Silver Ghost, and radiator design improvements. | ||
| View original record | To CJ. from R. c. to Wor. Hs. BY. c. to EP. PN. 48250 WATER BOILING+ X. 766 X. 8310 *X. 8250 Regarding water boiling Hs. definitely proves from experiments in France and Derby that the New Phantom is… | ||
| scan0191 | Modifications to a car's radiator and bonnet following criticism from Mr. Royce. | ||
| View original record | X8250 DA2/M6. 7. 25. To BY. from DA. c. to HS. 7-EX. X. 8770 MR. ROYCE'S CAR. X. 8250 X. 8260 The line of the bonnet and radiator was criticised by Mr. Royce on Sat. and we have looked into the… | ||
| scan0192 | From CJ to Hs regarding the approval process for radiators and shutters for 'V' and 'W' Series. | ||
| View original record | X8250 To Hs. from CJ. Radiators for 'V' and : 'W' Series. CJ3/E10/7/25 With reference to the enclosed memo. we have before explained that it is useless to ask the Sales people to look at a novelty… | ||
| scan0193 | Comparing the radiators for the 'V' and 'W' series chassis, detailing Mr. Royce's criticisms. | ||
| View original record | COPY. BJ. BY15/H9/7/25 COMPARISON OF RADIATORS FOR 'V' and 'W' SERIES RESPECTIVELY. Referring to our conversation on the telephone this afternoon, the facts of the case are that R's criticisms which I… | ||
| scan0194 | Modification to the 'V' type radiator and the work involved. | ||
| View original record | COPY. - 2 - BY15/H9/7/25 b/-. A 'V' type radiator 1 in. higher than the standard 'V', with other dimensions unaltered. If a 'V' type radiator is asked for, with the shutters carried as integral… | ||
| scan0195 | Design discrepancies and clarifications for the 'W' Series radiator, bonnet, and dash. | ||
| View original record | X8250 Da. (crossed out) c. Hs. BY2/H. 13.7.25. "W" SERIES. - RADIATOR, BONNET AND DASH. I was more than surprised to find that you told Hs. that the designs for the radiator, bonnet and dash did not… | ||
| scan0196 | Clarifying a disagreement over radiator and chassis specifications between departments. | ||
| View original record | - 2 - In view of the foregoing, therefore, we are at a loss to understand why it should be possible for you to tell Hsl that you were expecting the radiator to be "V" Series raised 1", all the more-so… | ||
| scan0197 | Design possibilities for 'W' and 'V' series radiators. | ||
| View original record | - 3 - out the possibilities which were:- a/- The present "W" Series radiator which had sloped sides and top, and integral shutters. b/- A "V" Series radiator with loose shutters, the radiator being 1"… | ||
| scan0198 | Secret memo justifying the decision to send the 7-EX experimental car to London for examination, addressing criticisms of its radiator and bonnet design. | ||
| View original record | 48250 To CJ: from Hs: S E C R E T. Hs2/LG13:7.25. 7-EX CAR. X8770 In view of the following facts, we suggest that the Expl: Dept: were justified in sending 7-EX car to London for the Administration… | ||
| scan0199 | Note regarding work being held up on radiator, dashboard, and bonnet for 'W' and 'X' series cars. | ||
| View original record | contd :- -2- and bonnets identical to 7-EX. BY. has now held up all work on radiator, dashboard and bonnet for 'W' series, and the orders for 'X' series are also held up! Hs. attc. BJ5/H6. 7. 25. sent… | ||
| scan0200 | Modifications to the 'X' Series radiator shutter control and dashboard layout. | ||
| View original record | 78250 To BY. from DA. c. to Hs. DA4/M14.7.25. X.8690 X.8250 X.8240 'X' SERIES - RADIATOR SHUTTER CONTROL ETC. It is very probable that we shall want to revert to the shutter control shewn on… | ||
| scan0201 | Clarifying a misunderstanding regarding the 'W' series radiator and bonnet design. | ||
| View original record | To BY. from DA. c. to Hs. H8250 'W' SERIES RADIATOR BONNET AND DASH. DA2/M15.7.25. X. 8250 X. 8240 X. 8500 Replying to your BY2/H13.7.25. and referring to the 'W' series radiator, we may have conveyed… | ||
| scan0202 | Design proposals and modifications for the 'W' Series Radiator. | ||
| View original record | X8250 To CJ. BY. HS. } FROM R. R2/M16.7.25. RE. 'W' SERIES RADIATOR (BY7/H13.7.25). X18250 X. 8240 We are not sure that we like the taper radiator, and it has not run 10,000 miles. The 3rd. proposal… | ||
| scan0203 | Mr. Royce's approval for the use of 'W' series radiators and the ongoing design of a new type. | ||
| View original record | X. 8250 To BY. from DA. c. to Hs. DA2/M17.7.25. 'W' SERIES RADIATOR. We have discussed the radiator with Mr. Royce this afternoon and he agrees to the use on 'W' series of a radiator with separate… | ||
| scan0204 | Design preferences for radiators, integral shutters, and bonnet louvres. | ||
| View original record | To BY. from R. c. to Hs. 40/250 RL/M1 7. 7. 25. RE. RADIATORS, BONNET SHUTTERS & LOUVRES. X. 8250 X. 8240 We are perfectly contented with 'V' series radiator simply raised 1", or we are contented with… | ||
| scan0205 | Engine overheating, detailing experiments on fan design and radiator cowls. | ||
| View original record | R.R. 493A (50 H) (D.D. 31, 12-6-25) J.H.D. EXPERIMENTAL REPORT. Expl. No. 78250 REF: Hs1/LG17.7.25. To CJ: from Hs. OVERHEATING. X766 78220 With reference to the memo. from Lord Montagu. Our… | ||
| scan0206 | Continued document discussing radiator airflow efficiency based on vehicle speed and tests of the radiator matrix. | ||
| View original record | contd :- -2- because in climbing mountain passes the lorries would be travelling at a very slow speed - 3 or 4 m.p.h. With a car however, travelling 20 to 30 m.p.h., the speed of the car would force… | ||
| scan0207 | Seeking instructions on the specifications for Mr. Royce's car, including the radiator, bonnet, and wing irons. | ||
| View original record | To DA/EV. from Hs. c. to BY. X8250 Hs3/LG17.7.25. 7-EX. CAR FOR MR. ROYCE. 48770 We should like to have some definite instructions as regards the bonnet and radiator for this car. Acting on your… | ||
| scan0208 | Instructions for the 'W' series vacuum tank, radiator, and dashboard layout. | ||
| View original record | To BY. from DA. c. to Hs. X 8250 DA3/M20.7.25. 'W' SERIES - VACUUM TANK, RADIATOR ETC. X.8250 X.8510 Referring to Hs3/LG1 7.7.25., we believe that we have sent you full instructions as to the vacuum… | ||
| scan0209 | Instructing the Stores to dispatch one radiator bracket to Mr. Elliott for inspection. | ||
| View original record | X8250 To BP. from Hs. c. to Mr. Chatwin. Hs6/LG11.9.25. We are sending into the Stores - 1 Radiator bracket. Will you please instruct the Stores to despatch this to Mr. Elliott, at W.W. This bracket… | ||
| scan0210 | Excessive wear on the 'Phantom' radiator support and a recommendation to increase the bearing surfaces. | ||
| View original record | To R. from Hs. c. to CJ. BJ. c. to RG. E. c. to DA. BY. c. to Wor. +8250 Hs2/LG11.9.25. 'PHANTOM' RADIATOR SUPPORT. We find that we get excessive wear on the sphere supporting the radiator on the… | ||
| scan0211 | The design and material choice for the New Phantom radiator support. | ||
| View original record | To Hs. from R. c. to BY. X. 8250 R1/M15.9.25. NEW PHANTOM - RADIATOR SUPPORT. X. 8250 We think the best thing to do with this would be to case-harden. If there is any risk of it breaking increase the… | ||
| scan0212 | Instructions from Mr. Royce for modifying a worn Phantom radiator pivot and sphere. | ||
| View original record | X. 8250 To DA. from E. c. to CJ. Hs. BY. E1/M16.9.25. PHANTOM RADIATOR PIVOT. Referring to the badly worn radiator pivot and sphere which was sent xt to W.W. with report Hs2/LG11.9.25., Mr. Royce aaw… | ||
| scan0213 | The wear of radiator support parts for the 40/50 model and the necessity of scrapping old stock. | ||
| View original record | X8250 Hs. BY19/H. 17.9.25. RADIATOR SUPPORT. Referring to R1/M. 15.9.25. since the parts we are using are the parts we have always used for 40/50, one does not see any reason why the wear should be… | ||
| scan0214 | New, case-hardened radiator fixing to reduce wear on the Phantom model. | ||
| View original record | RR 755 (10H) (DB130 12-9-24) MS 301225 48250 COMPLETED 18.1.26. STANDARDISATION of CHASSIS PARTS. Date 29.12.25. Description of Parts: Fixing for Radiator. Origin: To reduce wear. Experimental Test… | ||
| scan0215 | Unsatisfactory bonnet catches on the B.2. Series of Phantoms, and recommending further investigation before production continues. | ||
| View original record | H/a PN1/DN4.5.26. X8000 (crossed out) X8250 FROM PN TO WOR c. to HJ. Hs. & OWB (crossed out) Some action should be taken with a view to preventing unsatisfactory bonnet catches being fitted to the… | ||
| scan0216 | Arguing against increasing the cooling capacity on Phantom cars, referencing a technical explanation. | ||
| View original record | To BJ. from Hs. c. to Wor. PNj c. to BY.✓ CWB. c. to EP.✓ X8250 Hs2/LG2. 7. 26. re: Bt. 118-MC CAR. X766 X8950 Answering your BJ9/E30.6.26. We think we ought to point out that there is no suggestion… | ||
| scan0217 | Requesting the location of vehicle 7-FX for inspection of its new radiator with integral shutters. | ||
| View original record | To Hs. from BJ. K8250 BJ9/D24.8.26. Please let me know the whereabouts of 7-FX and when it may be possible for me to inspect it. I am particular-ly anxious to see the new type of radiator with… | ||
| scan0218 | Status of the 7-EX and 12-EX chassis, along with the testing of a new radiator for standardisation. | ||
| View original record | To BJ. from Hs. X8250 [Handwritten, crossed out] Hs4/LG25.8.26. 7-EX CHASSIS. X 8250 X7250 [Handwritten] Answering your BJ9/D24.8.26. This chassis is still at the Works havving new parts fitted to it… | ||
| scan0219 | Engine cooling improvements on the Phantom model and comparing pressurized cooling with steam or evaporative methods. | ||
| View original record | +8250 To PN. from Hs. c. to BJ. Hs1/LG25.8.26. ENGINE COOLING ON PHANTOM. +766 With reference to PN1/DN24.8.26. It has been noticeable that we have heard of less complaints from over-heating of water… | ||
| scan0220 | Comparing the cooling system of the 12-EX car to the standard Phantom, and discussing pressure cooling. | ||
| View original record | To CWB. from Hs. X8250 Hs/LG1.10.26. 12-EX CAR - COOLING. X766 Comparing 12-EX car with the standard Phantom, we find that there is no difference in the cooling. The average daily records of air and… | ||
| scan0221 | Standardization and adoption of a Phantom radiator with integral shutters. | ||
| View original record | [Handwritten at top] X8250 To BJ. from Hs. Hs2/LG16.12.26. [Handwritten on right] X8250 [Handwritten on right, crossed out] X7250 PHANTOM RADIATOR WITH INTEGRAL SHUTTERS. Unfortunately we had not an… | ||
| scan0222 | The appearance and length of the bonnet for a Phantom Radiator with Integral Shutters. | ||
| View original record | X8250 To Hs. from BJ. Phantom Radiator with Integral Shutters. BJ10/E17/12/26 Referring to your Hs2/LG16/12/26, I am writing to R. on regard to the appearance and length of bonnet as attached. BJ.… | ||
| scan0223 | The aesthetic design of the Phantom radiator and the importance of maintaining the bonnet's lines. | ||
| View original record | To R. from BJ. Phantom Radiator with Integral Shutters. At the end of July the New Phantom radiator with integral shutters was considered by the Sales officials, and all of us in London feel very… | ||
| scan0224 | Arrangement of vertical radiator shutters for the 20 HP model, adapting parts from the Phantom. | ||
| View original record | To BY. from DA. c. to BJ. Hs. X8250 DAL/M22.12.26. 20 HP. RADIATOR SHUTTERS. E.5250 X.8250 Herewith we send N.schs. 2314/2320., shewing the arrangement of vertical radiator shutters which R. now… | ||
| scan0225 | Modifications to the 40/50 model bonnet and radiator, including shortening it and altering the radiator thickness. | ||
| View original record | To DA. E. Hs. from R.Y. c. to BJ. BY. RE. 40/50 BONNET. X.8260 X.8250 X.7260 X.8830 BJ's letter re. above does not quite agree with other comments. I take the case as I understand it. On 12-EX we make… | ||
| scan0226 | Design memorandum with diagrams comparing 'Non-integral' and 'Integral' bonnet and radiator configurations. | ||
| View original record | -2- Plan. Non-integral. Bonnet wide at rear but this helps the scuttle, and is demanded by coach-work - short scuttle and pedals. Integral. Combination of bonnet high at rear, (scuttle) wide at rear… | ||
| scan0227 | Proposed modifications to the radiator and bonnet design for improved appearance and efficiency. | ||
| View original record | -3- C.I.A. D.A. let me have the views of yourself, with E. and E.V., also clear up any mistakes I have made by telephonic discussion with Hs. Would it be costly to test these suggested modifications?… | ||
| scan0228 | Philosophy of gradual design alterations for the bonnet and radiator, referencing specific proposed modifications. | ||
| View original record | X8250 To DA. from E. c. to BJ. Hs. RE. 40/50 BONNET AND MEMO. X. 8260 X. 7260 X. 8350 RL/M3.1.27. If the human nose were suddenly doubled in length for some physiological necessity we should think it… | ||
| scan0229 | Radiator tube diameter and length for the 40/50 HP model. | ||
| View original record | To Hs. from DA. 48250 DA1/M13.1.27. 40/50 HP. BONNET & RADIATOR ETC. X.8260 X.7260 X.8250 X.7250 With reference to the controversy which is now going on regarding the thickness of radiator, length of… | ||
| scan0230 | The cost-effectiveness of producing mock-ups for alternative Phantom bonnet and radiator designs. | ||
| View original record | To BJ. from Hs. c. to Wor. C. c. to DA. E. c. to BY. x8250 Hsl/LG13.1.27. PHANTOM - BONNET AND RADIATOR. x8260/x7260 With reference to R's recent memos. in connection with the above. It would be very… | ||
| scan0231 | Proposed modifications to the 40/50 model's bonnet and radiator design. | ||
| View original record | To Hs. from DA. 48250 DA2/M15.1.27. 40/50 BONNET AND RADIATOR. X. 3260 X. 7260 X. 8250 X. 7250 With further reference to this question and your hsl/LG13.1.27, we are putting up a proposal to R., which… | ||
| scan0232 | Request to despatch two dummy Phantom radiators to Derby. | ||
| View original record | To C. from Hs. 48250 Hs2/LG18.1.27. PHANTOM - RADIATOR AND BONNET. 48260 Will you please despatch to Derby the two dummy radiators which you mentioned in your C7C/17.1.27. Hs. | ||
| scan0233 | Requesting rough sketches for the Phantom bonnet and radiator schemes. | ||
| View original record | To DAJ from Hs. X8250 Hs1/LG18.1.27. PHANTOM - BONNET AND RADIATOR. X8250 X8260 We attach memo. C7/C17.1.27 re. Phantom Bonnet and Radiator. We should like you to send us rough sketches of the schemes… | ||
| scan0234 | Arrangements for dummy radiators and bonnets for a Phantom model. | ||
| View original record | X8250 S/W C9/C21.1.27. Phantom - Radiator & Bonnet. -------- With reference to your Hs2/LG18.1.27, I am arranging for the dummy radiators to be sent to you. C. | ||
| scan0235 | Design and specifications of dummy models for a new Phantom radiator. | ||
| View original record | S/W. Hs. YC8250 CWB18/GM24.1.27. NEW PHANTOM RADIATOR. We are sending you today some dummy models of our 40/50 h.p. radiator. These are the result of certain ideas which were put forward in order to… | ||
| scan0236 | Design changes and specifications for a new Phantom radiator model. | ||
| View original record | S/W. Hs. X8250 CWB18/GM/24.1.27. NEW PHANTOM RADIATOR. We are sending you today some dummy models of our 40/50 h.p. radiator. These are the result of certain ideas which were put forward in order to… | ||
| scan0237 | Modifications to radiator designs with integral shutters and comparing front area increases across various car series. | ||
| View original record | To RG. Hs. from DA. 48250 DAI/M25.1.27. ROLLS-ROYCE LIMITED EAC. 8. RADIATOR WITH INTEGRAL SHUTTERS ETC. X. 7250 X. 8250 X.766 As regards the thickness of the radiator when fitted with integral… | ||
| scan0238 | Technical report comparing radiator cooling efficiency and total area for various models, including V series, W series, and EAC.8. | ||
| View original record | contd :- -2- The increases on the original EAC.8. are due to the matrix going further below the top of the frame, and also due to the construction doing away with the side plates not in contact with… | ||
| scan0239 | Dimensional changes and disagreements regarding the Phantom Radiator. | ||
| View original record | To Hs. from DA. c. to CWB. 18250 PHANTOM RADIATOR. X.8250 X.7250 With reference to CWB18/GM24.1.27., we think that item 3. in the schedule is not quite correct, and does not agree with items 1. and 2.… | ||
| scan0240 | Design iterations and modifications to the Phantom radiator to improve body lines. | ||
| View original record | Da. Copy to:- C. Hs. Hs. x8250. CWB4/GM/1.2.27. PHANTOM RADIATOR. With reference to Da4/M8127, this question of the radiator now appears to have become very involved. I have read R1/M8127 which deals… | ||
| scan0241 | Design modifications and the appearance of a radiator. | ||
| View original record | (2) CWB4/GM/1.1.27. actual depth of the tank had been reduced by only 1/4". At the same time it was thought that the slope of the sloping sides had been made too flat and in order to alter this… | ||
| scan0242 | Design and dimensions of the Phantom radiator and bonnet, comparing different proposals. | ||
| View original record | Y8250 To CWB. Hs. from DA. c. to C. DA1/M2.2.27. X. 8250 X. 7250 PHANTOM RADIATOR ETC. Referring to CWB4/GM1.2.27 1/2, when we received express instructions in R1/M3.1.27, and R2/M6.1.27. to get… | ||
| scan0243 | Three proposed models for the Phantom radiator design. | ||
| View original record | [Handwritten] Da. [crossed out] Copies to:- Hs. [Handwritten] G. [crossed out] [Handwritten] H. /8250 CWB11/GM/4-2-27. PHANTOM RADIATOR With reference to Dal/M227 I think your proposal in paragraph 4… | ||
| scan0244 | Proposed improvements to the Phantom radiator, bonnet, and integral shutters. | ||
| View original record | To DA. Hs. BY. from R. c. to BJ. Wor. E. RG. 78250 PHANTOM RADIATOR AND BONNET. EAC.8. FOR IMPROVED APPEARANCE INTEGRAL SHUTTERS. X.7260 X.7250 X.8260 X.8250 I have carefully examined 7-EX at Le… | ||
| scan0245 | Design modifications for bonnet fasteners, locks, and the radiator on the 20 HP model. | ||
| View original record | -2- ROLLS-ROYCE LIMITED contd :- bonnet fasteners. You have a completely new one to try (RR. patent) and also some modifications to the 20 HP. type (2nd. modification). Also still very anxious to get… | ||
| scan0246 | Request for drawings and parts for a 40/50HP Phantom Chassis Radiator for testing. | ||
| View original record | To RMC c. to Hs. X8250 BY/CS4/DB.17.3.27. Re 40/50HP Phantom Chassis - Radiator - Sec:5250. Please receive herewith two prints of each of the following drawings, detailed in accordance with Hs's… | ||
| scan0247 | The design of the 40/50 radiator and bonnet, considering its thick appearance and the driver's view. | ||
| View original record | To Hs. DA/EV. BY. c. to BJ. Wor. X.8250 R6/M22. 3.27. 40/50 RADIATOR AND BONNET. X. 8250 X. 8260 I am awaiting an improved design, principally to avoid the very thick appearance of the radiator. You… | ||
| scan0248 | The matrix tubes and construction for the Phantom radiator. | ||
| View original record | To DA. from R. c. to BJ. Hs. BY. E. X. 8250 R3/M31.3.27. PHANTOM RADIATOR. Regarding N.sch.2371 we choose the shorter and smaller matrix tubes - 7/6.25 mm., 4.25 long - made up with the standard… | ||
| scan0249 | Requesting prints and a test set of radiator parts for a 40/50HP chassis. | ||
| View original record | c. to Hs. X8250 BY/CS8/DB.31.3.27. Hs RECEIVED APR 1 1927 Re 40/50HP Chassis - Radiator - Sec:5250. Further to our memo BY/CS4/DB.17.3.27, instructing parts E.76034/5/6, please receive herewith prints… | ||
| scan0250 | Design specifications for new experimental radiators and bonnets. | ||
| View original record | To DA. BY. Hs. from R. & E. c. to BJ. Wor. Handwritten: X8250 R5/M7.4.27. RADIATORS - BONNETS. X.8260 X.8250 The new experimental radiators and bonnets to be made should be of the latest type to make… | ||
| scan0251 | Design of bonnets and radiators, including tube size, radiator height, and the cancellation of bonnet shutters. | ||
| View original record | To Hs. from R. c. to BJ. BY. WOR. OY. DA. X8250 R13/M29.4.27. RE. BONNETS AND RADIATORS. X. 8250 X. 8260 It is understood that we are looking forward to using the smaller tubed radiator on both… | ||
| scan0252 | Improving appearance by reducing radiator thickness and using plain bonnets or louvres instead of shutters. | ||
| View original record | contd :- -2- louvres for hot climates, or plain bonnets, the latter for ordinary standard. This, together with the reduction in the radiator thickness, should improve the appearance over the thick… | ||
| scan0253 | Experimenting with fan placement on the Phantom radiator and reverting to an original shutter control design. | ||
| View original record | f8250 To Hs/Rm. from DA. Da4/M9.5.27. PHANTOM - RADIATOR AND FAN. X.7220 X.8250 Replying to Hs/Rml/T25.4.27., re. experimenting with a fan on the Phantom, pushed closer to the radiator tubes in the… | ||
| scan0254 | Improvements to the Phantom's steering and radiator, focusing on weight reduction and design advantages. | ||
| View original record | To hs. from R. c. to BJ. BY. H8250 R5/M9.7.27. PHANTOM STEERING, & RADIATOR. X. 8430 X. 8250 The chief advantage that we can hope for in the steering will be due to the decreased weight on the front… | ||
| scan0255 | The issues with automatically controlled radiator shutters, their unsuitability in the USA, and a new warning lamp solution. | ||
| View original record | To OY. from R. c. c. to BJ. BY. Hs. X8250 R3/M24. 9. 27. AUTOMATICALLY CONTROLLED RADIATOR SHUTTERS. X. 8250 X. 766 X.3375 X.3499 With reference to your OYLO-E-9lo27 we have had these automatically… | ||
| scan0256 | Confirmation of a telegram querying chassis specifications and requesting the immediate build of two units. | ||
| View original record | CONFIRMATION OF TELEGRAM. X8250 HIVES. ROYCAR. DERBY. WW. 18.10.27. X8774 EAC. 14. WILL FIRST CHASSIS HAVE STANDARD LENGTH OF BONNET AND STANDARD RADIATOR FOR INSTANCE DASH TO BACK AXLE 92" OR WILL… | ||
| scan0257 | Chassis modifications for the Sports Phantom model. | ||
| View original record | Hs. from R. x8250 c. to BJ. BY. Da. c. to SG. R9/M20.10.27. SPORTS PHANTOM. X. 8774 X. 8830 X. 8250 X. 8500 X8470 It is understood that the chassis for this will have the slight modifications that… | ||
| scan0258 | Proposed modifications to the Phantom F.2 series front axle and radiator. | ||
| View original record | C.D.W/C.S. W/S(O). c. Hs. X8250 BY16/G.21.10.27. PHANTOM F.2 SERIES MATERIAL. ------------------------- As a result of the discussion we had when you were at Derby, it was agreed that we should cut… | ||
| scan0259 | Use of 7mm tubes instead of 8mm tubes for a narrower radiator. | ||
| View original record | X8250 To BY. from Hs. c. to E. c. to DA. Hs4/LG9.11.27. RE. NARROWER RADIATOR. X8250 X7250 7 mm. tubes should be used in this radiator in place of the 8 mm. tubes which are now standard. The radiator… | ||
| scan0260 | Proposed design improvement for the Phantom model's radiator. | ||
| View original record | H3 X8250 To BJ. Copy to R., BY. C. Improvements to present Phantom. With reference to BJ20/E11/11/27, I mentioned that we should particularly like the side of the radiator to be sloped in line with… | ||
| scan0261 | New shutter and starter carburetter controls, and the arrangement of instruments and lighting for sports cars. | ||
| View original record | To DA/WV. from Hs. c. to R. c; to BJ. X8250 Hs1/LG28.12.27. FRAMED INSTRUMENTS. X8530 The sports cars will be fitted with the new type shutter and starter carburetter controls. These controls go with… | ||
| scan0262 | Development and adoption of a new, narrower radiator for the Phantom Sports Chassis. | ||
| View original record | To BJ. from Hs. c. to Wor. c. to BY. +8250 Hs1/LG29.12.27. PHANTOM SPORTS CHASSIS. X8250 X877+ Replying to BJ8/D21.12.27. The new radiator with narrower tubes which it is proposed to fit on to the… | ||
| scan0263 | The material ordering deadline for an F-2 Series Phantom Sports Chassis radiator. | ||
| View original record | RECEIVED JAN 3 W/s (C). C. Hs. C. Wor. C. B. C. ROY. X8250 BY1/K. 3. 1. 28. PHANTOM SPORTS CHASSIS. Referring to your memo C12/C30.12.27., ROY. informs me that the latest date for ordering material… | ||
| scan0264 | Water flow, overheating issues, and capacities of different radiator types. | ||
| View original record | 48250 17-1-28. Water Flow Through Radiators. Attached are curves showing the water flow through various types of radiator (R.R.). The curve (A) for the standard radiator was obtained from 44.P.H some… | ||
| scan0265 | On radiator flow impairment due to slime buildup from hard water, proposing a chemical cleaning solution and design changes. | ||
| View original record | To R. from Hs/Rm. c. to BJ. Wor. c. to E. DA. c. to BY. OY. X8250 Hs/Rm3/LG19.1.28. RADIATORS. X4681 We find that the car radiators can have their flow impaired by a film of slime collecting in the… | ||
| scan0266 | Query regarding the status of a proposal to alter the radiator design by raising its shoulders to improve car body lines. | ||
| View original record | S/W Hs. X8250 C19/023.1.28 Can you please tell me how the matter stands of slightly altering the appearance of the radiator by raising the shoulders somewhat. We understood at/the time that WW. were… | ||
| scan0267 | Engine overheating caused by slimy deposits from hard water choking the radiator core. | ||
| View original record | 48250 To Hm. - for Depots. from Hs/Rm. Hs/Rm2/LG24.1.28. OVER-HEATING. X766 Recent tests have indicated that the efficiency of the Rolls-Royce cooling system may be impaired by the choking of the… | ||
| scan0268 | Methods for testing for radiator obstruction and for cleaning the radiator core using a chemical mixture. | ||
| View original record | contd :- -2- of the radiator should then be filled as rapidly as possible. If water can be passed into the top tank more rapidly than it will flow out through the matrix, obstruction should be… | ||
| scan0269 | Instructions for radiator cleaning, discussing treatment procedures and the importance of using soft water. | ||
| View original record | contd :- -3- vigorously with the mixture inside at 60º - 70ºC for half an hour or so. If not sufficient the treatment should be repeated. If pressed for time, the mixture may be inserted in the… | ||
| scan0270 | Graph of water flow in gallons per minute versus engine RPM for a complete water system. | ||
| View original record | CIRCULATION IN COMPLETE R.R. WATER SYSTEM WATER FLOW GALS/MIN 40 30 20 10 STANDARD FLOW MINIMUM EFFICIENT FLOW TYPICAL FLOW OF OBSTRUCTED RADIATOR ENGINE R.P.M 500 1000 1500 2000 2500 3000 | ||
| scan0271 | Diagrams illustrating accurate and rough tests for radiator efficiency and system restriction. | ||
| View original record | CONNECTING TUBES & TOP OF U TUBES TO BE FILLED WITH WATER Hg 2FT 1FT ACCURATE TEST FOR RESTRICTION IN SYSTEM SHORT END OF VENTURI TO FRONT OF CAR ROUGH TEST FOR RADIATOR FREEDOM 18" STANDARD RADIATOR… | ||
| scan0272 | Blueprint drawing for a water venturimeter with dimensions, formulas, and construction notes. | ||
| View original record | WATER VENTURIMETER. SWEATED TOGETHER. LAW OF VENTURI Q GALL/MIN = 8.64√H OR 9" DEFLN = 25.92 GAL/MIN H = INS OF Hg. SECTION. 'A.A' THESE HOLES MUST BE IN LINE. THE BORE TO BE PERFECTLY SMOOTH &… | ||
| scan0273 | Halted work on altering the radiator's appearance and suggesting a new approach. | ||
| View original record | To C. from Hs. X8250 Hs5/LG25.1.28. RADIATOR. Nothing is being done as regards altering the appearance of the radiator. R. stopped all work on this section. We think the best way of getting this job… | ||
| scan0274 | Confirming the adoption of a suggestion regarding the radiator. | ||
| View original record | S/W Hs X8250 C8/C26.1.28 Re RADIATOR. Hs5/LG25.1.28 ----- Thanks for your memo; in regard to this matter, and we will adopt your suggestion. C. | ||
| scan0275 | Standardisation of a radiator with integral shutters to improve appearance and reduce weight. | ||
| View original record | RR 755 REVISED (10H) (DE 649 9-12-26) BM. 2/1187. HS STANDARDISATION of CHASSIS PARTS. Y82-50 COMPLETED 13/2/28 Date 7.11.27 Description of Parts: RADIATOR WITH INTEGRAL SHUTTERS. X No. 3499 Drawing… | ||
| scan0276 | Schedule and costs for fitting a new part to a chassis series. | ||
| View original record | STANDARDISATION AND CHASSIS PARTS (1) The number of the first chassis on which the new part will be fitted. F2. series. (2) Date when the chassis will be handed to test. 9.4.28. (3) Cost of scrapped… | ||
| scan0277 | Procedure and materials for cleaning radiators. | ||
| View original record | +8250? Ps. Paris. from Hs/Rm. c. to Hm. Hs/Rm3/LG2.4.28. RE. CLEANING OF RADIATORS. X8250 +4684 With reference to Ps15/IL30.3.28. We consider that if the solution is circulated in the system for ½ hr.… | ||
| scan0278 | Warning notice regarding the use of 'Kleanwell' radiator cleaning solution on vehicles with aluminium cylinder heads. | ||
| View original record | [Handwritten]: X8250 To Hm. - for cirulation to all Depots. from Hs/Rn. Hs/Rn1/LG1.6.28. USE OF RADIATOR CLEANING SOLUTION. [Handwritten]: X8250 / +4681 It should be noted that with the introduction… | ||
| scan0279 | The 'KLEENWELL' radiator product and previous communications on the matter. | ||
| View original record | To Hm. from Hs/Rm. C to B.H. HE f8250 Hs/Rm3/LG6.7.28. 'KLEENWELL' FOR RADIATORS. X4681 With reference to Hm/NRC25/KW6.7.28. This matter was very fully dealt with in our Hs/Rm2/LG24.1.28 Depot Sheet,… | ||
| scan0280 | Investigating a new self-lubricating bearing material for radiator supports. | ||
| View original record | RHO. c. Hs. Y8250 BY9/G.25.8.28. RADIATOR SUPPORTS. ------------------ Mr. Brock has been investigating the question of incorporating graphite with the bakelite powder with the object of moulding… | ||
| scan0281 | Report concerning a choked radiator on car 29-CL caused by grease from the water pump. | ||
| View original record | S/W for Hs...from CWB X8250 CWB5/GD11.2.29. 29 - CL. With reference to our conversation last week on the subject of radiators becoming choked up, I have received the following report from Paris… | ||
| scan0282 | Reduction of radiator tube diameters and cleaning procedures. | ||
| View original record | To CWB. from Hs. Y8250 Hs2/LG13. 2. 29. X8250 X4681 29-CL - RADIATOR. Although we have reduced the diameter of our radiator tubes, we still have the same water space between the tubes as with the… | ||
| scan0283 | Radiator core choking due to high viscosity anti-freeze solutions and water pump gland lubrication. | ||
| View original record | To Hn. from Hs/Rn. Y8250 +4117 Hs/Rn2/LG30.4.29. As you are probably aware, the whole of this question is dealt with in Depot Sheet No.67. We should like to point out that neither the gap between the… | ||
| scan0284 | Engine cooling and water circulation issues, highlighting radiator blockages from water quality and a specific chassis case. | ||
| View original record | X8250 BN.1/WT10.5.29. Ex/W....from PN. Copy to Sge Hs. Herr H. ENGINE COOLING AND WATER CIRCULATION. I think we are all agreed that we have sufficient difficulties to deal with in connection with the… | ||
| scan0285 | Radiator performance, potential failures, and the effects of anti-freeze. | ||
| View original record | -2- sulphuric acid in the radiator one might have expected this sort of damage, although this set would not produce the blocking up of the top row of tubes, where apparently the deposit takes place… | ||
| scan0286 | Design of engine radiator tubes and water circulation. | ||
| View original record | To PN. from Hs. c. to Wor. Sg. c. to Hm. H. ENGINE COOLING AND WATER CIRCULATION. With reference to PNL/WT10.5.29. The question of water space through the tubes in the radiator is a point which is… | ||
| scan0287 | Radiator tube corrosion issues in Springfield, USA, due to variations in water quality. | ||
| View original record | contd :- -2- The records of failures from corrosion are not sufficient to warrant a change in material. Springfield are always more or less in trouble with radiator tubes corroding owing to the… | ||
| scan0288 | Effect of an anti-freezing mixture on radiator tubes. | ||
| View original record | W/S - H. C. to Sg. C. to PN. C. to Hs. X8250 Hm1/W13.5.29. Engine Cooling and Water Circulation. With reference to H12/LH10.5.29, and PN1/WT10.5.29, we only know of one case of a Customer using an… | ||
| scan0289 | Responding to a radiator difficulty, discussing tube materials, corrosion causes, and water quality. | ||
| View original record | Hy. Hs. Y8250 BY6/G.13.5.29. ENGINE COOLING AND WATER CIRCULATION. Referring to Sir Alex Blacks of Grimsby difficulty as reported in Hm/NRC9/NW.7.5.29. and commented upon in PN.1/WT.10.5.29., we think… | ||
| scan0290 | Radiator corrosion, comparing the effectiveness of tinned tubes versus using rainwater to prevent damage. | ||
| View original record | - 2 - BY6/G.13.5.29. in the tinning with the result that localised corrosion might be set up; the scheme, however, is worth trying out. We suggested the use of tinned radiator tubes some four years… | ||
| scan0291 | Request to borrow a standard Phantom radiator for comparative tests on water flows. | ||
| View original record | X8250 Mr. Bowers --Expt:-- from Hs/Rm. Hs/Rm3/LG27.5.29. We wish to borrow a standard Phantom radiator for 2 or 3 days. This radiator will not be damaged in any way or run on the road. It is only… | ||
| scan0292 | Comparing the cooling performance of the 'SS' car against previous Phantom models. | ||
| View original record | To R. from Hs/Rm. c. to Sg. Wor. c. to DA. E. c. to FN. OY. c. to BY. Hm. x8250 Hs/RmL/LG27.5.29. x766 x7250 COOLING ON 'SS' CARS. In view of the fact that the cooling of the SS. has been criticised,… | ||
| scan0293 | High-speed cooling tests, comparing car overheating with louvred versus plain bonnets. | ||
| View original record | contd :- -2- for hill climbing than any 40/50 HP. car we have previously had. We know that the specific complaint was that the car over-heated at high speeds. We have repeatedly proved that high speed… | ||
| scan0294 | Continued report on bonnet ventilation and overheating issues in hot weather conditions. | ||
| View original record | contd :- -3- It will be thus seen that in both cases the SS. car shews up substantially better than the present standard production chassis. The test, however, emphasises our previous remarks that it… | ||
| scan0295 | Performance comparison chart of top water temperature during a hill climb for three car models with different radiator configurations. | ||
| View original record | TEST CAT AND FIDDLE HILL NO BONNET VENTILATION AIR TEMP 15°C. EACH CAR CARRIES 3 PASS AND 5 CWT. BALLAST ① S.S. CAR 22 EX WT. EMPTY 48.3 CWT ② PHANTOM CAR 14 EX. WT. EMPTY 49.75 CWTS. ③ OLD PHANTOM… | ||
| scan0296 | Phantom radiator from the Stores for experimental examination purposes. | ||
| View original record | X8250. To Stores, from Hs/Rm. Hs/Rm/LG3.6.29. Will you please supply W.Bell with one Phantom radiator E.73892 for experimental examination purposes. The radiator will not be damaged or misused in any… | ||
| scan0297 | Results and recommendations from radiator flow rate tests. | ||
| View original record | To Wor. from Hs/Rm. c. to Mx. c. to Hm. _ _ _ _ _ _ _ _ _ _ _ _ _ X8250 Hs/Rml/MS27.7.29. _ _ _ _ _ _ _ _ _ _ _ _ _ RADIATOR TESTS. _ _ _ _ _ _ _ _ _ _ As a result of testing half a dozen Phantom and… | ||
| scan0298 | Recommendation to circulate a depot sheet regarding the cleaning of Phantom radiators to prevent clogging by aluminium hydroxide. | ||
| View original record | Filing Copy 48250 To Hm. from Hs/Rm. Hs/Rm1/BE7.8.29. PHANTOM RADIATORS We recommend that the following depot sheet should be circulated. "It has been proved that certain types of tap water attack… | ||
| scan0299 | New, cleanable radiator design and the testing of a self-cleaning filter. | ||
| View original record | E. DA.) FROM R. HS. BY.) COPY. X8250 R.1/M25.11.29. c. Sg. Wor. c. C. CAR RADIATORS. X.8250 X.7250 X.5250 X.4516 I am sending you a sketch of another way of building up a radiator for test, in which… | ||