Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Incorrect drawings for carburetter specifications sent to the S.U. Co. | ||
| View original record | 1036? To By/NS. Rm/CTS.8/JH.18.7.39. Carburetter Specifications. With reference to your memo. By/CS.3/B.15.7.39. ? The drawings EB.5081 - 2 were required for the purpose of sending to the S.U. Co. as… | ||
| scan0002 | Production trial for an automatic start device for a 6-cylinder engine. | ||
| View original record | 1036 + 1033 To By. from MM. c. DB. c. Ds/Jnr. c. RM/TD. c. RM/IMW. Chateauroux. Rm.8/MM.23.8.39. AUTOMATIC START 6-CYL. ENGINE. This device is so easy to install, cheap and light that we feel we ought… | ||
| scan0003 | Advantages and disadvantages of an electrically operated automatic choke for a Stromberg carburetter. | ||
| View original record | To By. from Rm/TAS. c.c. De. c.c. De/Jnr. c.c. Rm/FD. c.c. Rm/IMW. STROMBERG CARBURRETER - ELECTRICALLY OPERATED CHOKE CONTROL. To electrically operated automatic chokes generally there are the… | ||
| scan0004 | Comparison of external and internal fast idle systems for an engine's electrical choke unit. | ||
| View original record | -2- Rm/TAS.9/MH.23.8.39. (2) that a good cold start is obtained, and that the choke opens sufficiently rapidly to prevent bad richening up before it is fully open. This, of course, may lead to another… | ||
| scan0005 | Two methods for the automatic starting system on an 8-cylinder engine. | ||
| View original record | 1036 To: Rm from BY. Da Da/Jnr Da/McS. BY6/MG.30.8.39 AUTOMATIC STARTING - 8 CYLINDER ENGINE Rm.8/MH.23.8.39 If a decision had to be made quickly as to which of the two methods should be used on… | ||
| scan0006 | Outlining proposed comparison tests for different induction systems on 6-cylinder engines. | ||
| View original record | 1036 d 1044 To Rm/Wym. c. to Rm/CTS. Rm.3/JH.31.10.39. INDUCTION SYSTEMS. On the 6 cyl. cast iron engines we intend to have two types of induction system. (1) Rolls-Royce. This will be a duplex… | ||
| scan0007 | Experiments on induction systems for future development engines. | ||
| View original record | 1036 To Ev. from Rm/CTS. c. Jnr. Rm/CTS.8/MH.15.12.39. INDUCTION PIPES. We are carrying out experiments on induction systems which will have a large bearing on the design of our future development… | ||
| scan0008 | Requesting the production of two further induction pipes following a successful trial. | ||
| View original record | 1036 To HPS. Rm/CTS.3/JH.18.12.39. INDUCTION PIPES. You have recently supplied an induction pipe for trial on the Ripple, the bore of which had been reduced by inserting sheet lead into the core-box… | ||
| scan0009 | Policy and test results for induction systems on Bentley and R.R. products. | ||
| View original record | 1036 To Ev. c. to Jnr. Rm.1/JH.27.12.39. INDUCTION SYSTEMS. From a policy point of view we want to have different induction systems on the Bentley and R.R. products. We hope that the only thing we… | ||
| scan0010 | Report comparing performance and petrol consumption for Twin S.U. and Duplex Stromberg carburettors on a B.60 No.4 engine. | ||
| View original record | Rm/ym.2/JH.27.12.39. CARBURETTER TESTS ON TWIN S.U. & DUPLEX STROMBERG CARBS. We have just completed a series of performance and petrol consumption tests on B.60 No.4. Cast iron engine unit fitted in… | ||
| scan0011 | Performance and fuel consumption comparison of carburettor and exhaust systems on a 124ccs capacity engine. | ||
| View original record | -2- time taken to accelerate from 0 MPH. to any given speed. Our figures are the average of 6 clocking times taken 3 in each direction over the same stretch of The twin S.U. carbs. also showed a… | ||
| scan0012 | Page stating the weight of a twin system and a single system. | ||
| View original record | -3- Rm/ym.2/JH.27.12.39. The weight of the twin system is 77 lbs. and the single system 60 lbs. Rm/ym. | ||
| scan0013 | Power comparison chart for single and twin exhaust systems on a B60 N°3 Unit Chain Drive. | ||
| View original record | POWER COMPARISONS SINGLE & TWIN EXHAUST SYSTEMS. B 60 N°3 UNIT CHAIN DRIVE S. 110 5 . 12 . 39 Exs 1384 CYL. HEAD 109 1/2 CCS GASKET .030" C/R 7.1/1 EB 4726 CAMSHAFT I.O. 10° AT I.C. 30.8° AB E.O.… | ||
| scan0014 | Power curve graph comparing engine performance with different pipe and carburettor setups. | ||
| View original record | POWER B.60 N° 1 C/RATIO 6 3/1 IO 5° AT EO 45° BB ETHYL PETROL IC 25° AB EC 7° BT EW 1974 "WRAITH" PIPE SINGLE STROMBERG EXS 1527 HUDSON PIPE DUPLEX STROMBERG EB 3477-8 BV PIPE TWIN 1 1/2" S.US. B.H.P.… | ||
| scan0015 | Letter to Henry Wiggin & Co. Ltd. inquiring about the feasibility of manufacturing specific coiled bimetal strips. | ||
| View original record | 1036 Rm/TAS.20/JH. 11th. January, 1940. Messrs. Henry Wiggin & Co.Ltd., Thames House, Millbank, LONDON. S.W.1. Dear Sir, Some time ago we had cause to be interested in bimetal strip, and received from… | ||
| scan0016 | Letter discussing carburation systems and the choice between exhaust or water heating. | ||
| View original record | 1036 Rm.2/JH. 19th. January, 1940. T.A.Swinden, Esq., 12, Broad Elms Lane, SHEFFIELD.11. Dear Swinden, Your notes on carburation were I thought a fair statement of the present situation. I certainly… | ||
| scan0017 | Carburation issues, including water-heated versus exhaust-heated hot spots and ignition. | ||
| View original record | 1036 To Ev. from Rm. c. Jnr. c. Rm/FD. c. Rm/Wym. c. Rm/CTS. c. Rm/RC. Rm.2/MR.22.1.40. CARBURATION. In general I agree with these notes, but have yet to be convinced that a properly applied water… | ||
| scan0018 | Carburation, hot air intakes, and a comparison between S.U. and Stromberg carburettors in cold weather. | ||
| View original record | To Ev. from Rm/TAS. c. Jer. c. Rm/YD. c. Rm/Wym. c. Rm/CTS. c. Rm/RC. CARBURATION. Some notes on hot air intakes. Nobody has yet told us of any modern car, save our own, which has a similar… | ||
| scan0019 | Technical report analyzing the effects of hot and cold air intake on carburettor performance and mixture temperature. | ||
| View original record | -2- Rm/FAS.3/MH.22.1.40. (2) With a fully expanding type of carburetter the fuel at the jet is maintained at a lower pressure than is the case with the fixed choke type and it is hence in a condition… | ||
| scan0020 | Carburettor settings for 8-cylinder and Ripple engines, detailing issues in cold weather and the proposed solution of using heated induction pipes. | ||
| View original record | -5- Rm/TAS.3/MN.22.1.40. Hence the only solution is by the use of induction pipes with more heat. Pipes for 8-cyl. and Ripple engines are at present being mocked up to bring more heat to the long… | ||
| scan0021 | Request to place an order with Allen White for the manufacture and fitting of two metal hot spot casings onto an induction pipe. | ||
| View original record | 1036. To Les. c. to G/JWH. Rm/FD.3/JH.26.1.40. Will you please send an official order to Allen White, 176, Siddals Road, Derby, for making and fitting two metal hot spot casings to our instructions on… | ||
| scan0022 | Meeting notes detailing actions for carburettor adjustments and plug testing on various vehicles. | ||
| View original record | 1036 & Testers Conf. file. Rm.7/JH.1.2.40. CARBURATION DISCUSSION - 31.1.40. Present :- Rm/FD. Rm/Wym. Rm/CTS. Rm/RC. Rm/TAS. Rm. (1) 1.R.1. It was agreed that 1.R.1. should be set as weak as possible… | ||
| scan0023 | Issues and solutions for transport cars, coils, and various carburetter systems. | ||
| View original record | -2- (4) Transport Cars Cont'd. They will be tried weekly by Rm/FD. and reports issued. (5) Lucas Coils. All Experimental cars will be run with the latest Lucas coils. 11.B.V. when it has been in the… | ||
| scan0024 | Meeting notes discussing automatic choke control, carburetter drain pipes, 8-cylinder engines, and air silencers. | ||
| View original record | -3- Rm.7/JH.1.2.40. (8) Automatic Choke Control on S.U.'s. Cont'd. He agreed to issue a report on this before the end of the week. (9) Drain Pipes for Carburetters. In view of the fact that - (a) We… | ||
| scan0025 | Note on the decision for a positive earth electrical system for the Ripplet and a request to investigate freezing brakes. | ||
| View original record | -4- GENERAL. Positive earth electrical system. It was agreed that RC. should arrange for the Ripplet now being built, should have positive earth. Brakes Freezing on. Rm. asked PD. to drive a car in… | ||
| scan0026 | Re-consideration of drain pipes on S.U. and Duplex Stromberg carburettors for a new series of engines. | ||
| View original record | 1036 To Ev. from Rm. Rm.2/MH.15.2.40. DRAIN PIPES ON CARBURETTERS. We have to finalise the controls and induction layout for the S.U. and the Duplex Stromberg carburetter on the rationalised range of… | ||
| scan0027 | Development and alterations of the Stromberg twin-choke carburettor. | ||
| View original record | 1036 To Ev. Rm/CTS.9/ML.19.2.40. Carburettor. (Stromberg Twin Choke) We are in the process of developing the twin-choke Stromberg carburettor for the Rolls Royce range of engines. So much useful work… | ||
| scan0028 | Technical memorandum discussing carburettor design including the starting choke, controls, and petrol filter. | ||
| View original record | - 2 - (1) Starting Choke. We should follow Wraith experience by fitting the strengthened butterfly, but the spindle should be left as it is for the present as this carburettor has cast-in stainless… | ||
| scan0029 | Design notes on the float chamber, needle seating, and external finish for a carburettor. | ||
| View original record | - 3 - (5) Float Chamber. The floats and supports are made of particularly light gauge material, and we have had instances where the floats themselves fouled the sides of the floatchamber. This… | ||
| scan0030 | Letter to Zenith Carburetter Co. Ltd. discussing needle seat diameter and pressure for the A.A. 25 carburetter. | ||
| View original record | COPY. EXPERIMENTAL DEPARTMENT. Rm/JBD.5/JH. 20th. July, 1939. The Zenith Carburetter Co.Ltd., Honeypot Lane, Stanmore, MIDDLESEX. For the attention of Mr. Palmer. Dear Sirs, In reply to your letter of… | ||
| scan0031 | Letter detailing pressure and load calculations for a carburetter needle and seat arrangement. | ||
| View original record | -2- Rm/JBD.5/JH. 20th. July, 1939. Assuming a pressure of only 3.35 lbs.sq.in. the pressure exerted on a .101 diameter seal area .0087 sq.in. = .0087 x 3.35 lbs. = .0292 lbs. If the pressure is 5… | ||
| scan0032 | Issues and improvements regarding sticking choke spindles on Stromberg carburettors. | ||
| View original record | 1036. To FD. c. Rm/WYM. c. Rm/CRS. Rm/TAS.5/ML.19.2.40. Choke Spindles on the Dual Stromberg Carburettors. On the Wraith type DC 42 Stromberg carburettor trouble due to sticking choke butterflies was… | ||
| scan0033 | Summary report on the Bentley V. S.W. Startex Carburetter, detailing its disadvantages and proposed schemes to fix them. | ||
| View original record | 1036 & 408 To Ev. c. to Jnr. c. to Rm/CTS. Rm/TAS.14/JH.21.2.40. Bentley V. S.W. Startex Carburetter. Summary Report. The following are the leader points in the attached report - The two major… | ||
| scan0034 | The major disadvantages, specifically freezing issues, of fitting the S.U. Startex carburettor. | ||
| View original record | -2- Bentley V, S.U. Startex carburetter. In view of the possibilities of having to fit the S.U. startex to our engines the following facts concerning its possible modification and development have… | ||
| scan0035 | Modifications and solutions for carburettor icing issues on starter units. | ||
| View original record | -3- (1) Cont'd. until the annulus is only .010". To make up for this air restriction we drill two .156" dia. holes directly into the mixing chamber beneath the disc. Thus less than a quarter of this… | ||
| scan0036 | Carburettor freezing, fuel distribution issues, and potential solutions for cold starting problems. | ||
| View original record | -4- With regard to type (a) of freezing up in the rich position before starting, the only method of reducing the chances of this is to reduce as far as possible the contact surface between the needle… | ||
| scan0037 | Plug tests on transport cars following carburettor modifications for fuel economy. | ||
| View original record | 1036 + Elec To Rm/RC. from Rm/TAS. c. Mr.Barkworth. Rm/TAS.1/MH.29.2.40. PLUG TESTS ON TRANSPORT CARS. The following carburetter modifications have been carried out in order to test plugs under fuel… | ||
| scan0038 | Development and modification of an automatic choke system for carburetors. | ||
| View original record | To Bv. & Jnr. c. Hm/TAS. 1036 Rm/Wym.7/MH.5.3.40. CARB. AUTOMATIC CHOKES. We have been trying for some time to make a reasonable automatic choke for the Duplex Stromberg carb., and for the Twin S.U.… | ||
| scan0039 | Data table recording hot spot temperature, thermostat movement, and choke movement over time. | ||
| View original record | -2- Rm/Wym.7/MH.6.3.40. TIME. | HOT SPOT METAL TEMP. | THERMOSTAT MOVEMENT IN ° | CHOKE MOVEMENT IN ° ---|---|---|--- ½ Min. | 11¼°C | 17½° | 27° 1 " | 11½°C | 18° | 28° 1½ " | 11¾°C | 19° | 29° 2 " |… | ||
| scan0040 | The operation of a choke valve, its disadvantages, and a proposal for an improved bi-metal unit with manual seasonal settings. | ||
| View original record | -3- Rm/Wym.7/MOL.6.3.40. It will be seen that immediately the engine fires, the kick piston comes into operation and opens the choke valve approximately 27°. These figures were taken every ½ minute… | ||
| scan0041 | Close-up view of a carburettor and intake manifold assembly within an engine bay. | ||
| View original record | S.U. CARB | ||
| scan0042 | Investigation into automatic starting carburettors for S.U. systems. | ||
| View original record | 1036 Rm/TAS. Rm.1/ML.15.3.40. STARTING CARBURETTORS FOR S.U. SYSTEMS. We have now done a certain amount of investigation on automatic starting arrangements for S.U. carburettors and at the moment it… | ||
| scan0043 | Requesting to expedite the machining of urgently required induction pipes due to poor promised dates for patterns. | ||
| View original record | 1036 HPS. c. HPS/RH. Rm.6/ML.29.3.40. INDUCTION PIPES. In our list of urgent jobs we ommitted induction pipes. Attached is a list of the pipes which have been instructed and are urgently required. You… | ||
| scan0044 | Delivery schedule for Induction Pipe patterns, listing part numbers, types, bores, and promised dates. | ||
| View original record | COPY. To Rm. HPS/RH.6/BA.2.2.40. INDUCTION PIPES. We give herewith promised delivery dates for Induction Pipes patterns as requested. Part No: | Type. | bore. | Pattern Instrtd. | Pattern Promised. |… | ||
| scan0045 | Requirement for specific B.V. induction pipes and a scrapped casting. | ||
| View original record | To HPS/RH 1036 Rm/CTS/CK 5.4.40 Induction Pipes In answer to your memo HPS/CP1/SW2-4-40. The following B.V. induction pipes are required: Ex. 36146----1off. Ex. 36147----1off. Regarding EB5080,one… | ||
| scan0046 | Summary report on eight-cylinder carburation, detailing the effects of throttle bore diameter and idle systems. | ||
| View original record | Copy 1036 from Rm/TAS. Rm/TAS.4./JS.24.4.40. c: HV. c: Jnr. c: Rm/CTS. EIGHT CYLINDER CARBURATION. SUMMARY REPORT. The attached report deals with fundamentals unaffected by main metering jet settings… | ||
| scan0047 | Data sheet and discussion on carburettor specifications, acceleration figures, and the effect of throttle bore diameter. | ||
| View original record | - 2 - DATA SHEET (Continued) Main carburettor body type AA.1. Throttle body type for 30 m/m throttles - AA.1. for 36 m/m " - AAV.25. Plugs - AC.K.11 at .030" Ignition set at T.D.C. Delco-Remy… | ||
| scan0048 | Engine economy, throttles, and choke sizes, with performance data. | ||
| View original record | - 3 - Tm/TAS.4/JS.24.4.40. Curves A and B show the economy resulting in a change from 36 m/m to 30 m/m throttles. It is roughly: 13% at 20 M.P.H. 6½% at 30 M.P.H. and 5% at 40 to 60 M.P.H. Maximum… | ||
| scan0049 | Carburettor operation, focusing on the idle system, reverse air bleeds, and performance comparisons. | ||
| View original record | - 4 - When the engine is idling, the maximum depression in the carburettor is at the throttle edge. As the throttle is opened this maximum depression is gradually transferred to the inner venturi,… | ||
| scan0050 | Dual carburettor modifications to improve idling performance. | ||
| View original record | - 5 - The dual carburettor with 36 m/m throttles is normally fitted with 36 # (.106" dia.) secondary air bleeds. Considerable improvement in idling was obtained by reducing these bleeds to 60 # (.040"… | ||
| scan0051 | Graph showing constant speed petrol consumption, comparing a 4B50 model with a 1939 Century Buick. | ||
| View original record | CONSTANT SPEED PETROL CONSUMPTION A 4B50 1 3/8" CARBS: 2 CHOKES AND 36 DIA. THROATS. JETS: RINGED MAIN 121 1/2 AND 52 1/2 MECH. BY-PASS. CURVE TAKEN IN DIRECT GEAR AT 2277 ENGINE REVS/MILE. F. 1939… | ||
| scan0052 | Blueprint showing the layout of a dual Stromberg carburettor idle system. | ||
| View original record | DUAL STROMBERG CARB. IDLE SYSTEM LAYOUT. 1 IDLE AIR BLEED. 2 IDLE TUBE. 3 SECONDARY AIR BLEED. 4 PROGRESSION DISCHARGE HOLE. 5 IDLE DISCHARGE HOLE. 6 IDLE METERING SCREW. FLOAT CHAMBER C/L OF MAIN JET… | ||
| scan0053 | Graph plotting constant speed petrol consumption (MPG vs MPH) for various vehicle and carburettor configurations. | ||
| View original record | CONSTANT SPEED PETROL CONSUMPTION M.P.G. M.P.H 4 B 50 A. CARS SPEC 1 AAX MAIN JETS & 1.35 PROGRAMME JETS, AAY 14 MAIN BODY. TWIN 26mm THROTTLES, PARTLY NO THROTTLE CONNECTION TO MILEAGE DEVICE. B.… | ||
| scan0054 | Progress report on carburetion and performance tests on experimental cars. | ||
| View original record | f 1036 To Ev. from Rm/TAS. c. to JNP. CARBURATION PROGRESS. Following is a catalogue of carburation items, ideas and progress on experimental cars:- 3.B.50. Engine unit B.60 No.4 The main carburetter… | ||
| scan0055 | Carburetter adjustments, low water temperature issues, and improvements to petrol consumption. | ||
| View original record | -cont'd- -2- Rm/TAS.1/JMc.22.5.40. 12.B.V. The carburetter on this car has recently been reset. For the samemain (.052) jet the by-pass jet has been reduced from .038" to .030". This jet difference… | ||
| scan0056 | Modifications to the S.U. Startex Carburetter to prevent it from freezing up. | ||
| View original record | THE PARTICULARS GIVEN ON THIS MEMO HAVE NOT BEEN ISSUED. 1036 & 408 To Rm. c. to Ev. (handwritten and struck through) Rm/HH.1/JH.29.5.40. B.V. CARBURETTER. Section 5080. Modification to S.U. Startex… | ||
| scan0057 | Performance and petrol consumption tests on a Bentley Car 11 B.V. (Unit B.80 No.3) with Duplex Stromberg and 3 S.U. carburettors. | ||
| View original record | Ev. from Rm./Wym. c. JNR. c. Rm/CTS. HB/file . 1036d 400e Bentley Car 11 B.V. Unit B.80. No.3. We have carried out performance and petrol consumption tests on 11.B.V. car with a Duplex Stromberg carb.… | ||
| scan0058 | Comparison of fuel consumption figures for Stromberg versus 3 S.U. carburettors, including road test data and vehicle specifications. | ||
| View original record | -2- The following are the figures:- Stromberg. 3 S.U's. 20 M.P.H. ... ... 18.27 M.P.G.? - 19.44 M.P.G. 30 " ... ... 19.16 " ? - 16.75 " 40 " ... ... 16.33 " - 16.57 " 50 " ... ... 15.41 " - 15.00 " 60… | ||
| scan0059 | Modifications to the S.U. Startex carburetter to prevent it from freezing up. | ||
| View original record | COPY The particulars given on this memo have not been issued. 1036 To Rm. C. Ev. Rm/HH.1/JH.29.5.40. B.V. CARBURETTER. Section 5080. Modification to S.U. Startex Carburetter in accordance with S.140 &… | ||
| scan0060 | Query regarding the testing status of the latest 6- and 8-cylinder induction pipes. | ||
| View original record | Rm/CTS. from Rm. 1036 Rm.22/ML.6.6.40. Are there any of the latest 6- and 8-cylinder induction pipes which we have not yet tested? Rm. | ||
| scan0061 | Blueprints for new parts for throttle controls to suit twin 1 3/4 S.U. carburettors. | ||
| View original record | 1036 Rm. from Rm/HH. c. Ev. Particulars of this memo have not been instructed. Rm/HH8/JMS.17.7.40. PL.174. Throttle controls to suit twin 1¾ S.U. Carbs. Please receive herewith blue prints of the… | ||
| scan0062 | Specifications for a separate building to house carburetter and fuel pump test rigs, focusing on fire safety. | ||
| View original record | To Rm. from Rm/GB. Rm/GB.5/ET.7.8.40 CARBURETTER & FUEL PUMP TEST RIGS Owing to fire risks a separate building is required for these rigs. The floor space should be 11' x 16'. For the carburetter… | ||
| scan0063 | Building and safety requirements for carburetter and fuel pump test rigs. | ||
| View original record | 1036 1086 To Rm. from Rm/GB. Rm/GB.5/ET.7.8.40 CARBURETTER & FUEL PUMP TEST RIGS Owing to fire risks a separate building is required for these rigs. The floor space should be 11' x 16'. For the… | ||
| scan0064 | Carburettor intake air temperature issues in cold weather and proposing radiator and bypass solutions. | ||
| View original record | 1036 Ev. from Rm. c. Jnr. c. Rm/CTS. c. Rm/Wym. c. Rm/Tad. c. Rm/Col. Carburettos Rm.10/ML.23.10.40. AIR TEMPERATURE OF CARBURETTOR INTAKE. We have recently found that on our engines, we cannot set… | ||
| scan0065 | Carburation for the post-war rationalised range of cars, focusing on fuel economy and comparing carburettor types. | ||
| View original record | 1036 To Rm. from Rm/CTS. Rm/CTS.3/ET.15.11.40. CARBURATION. (Post War Rationalised Range) It is agreed that one of the more desirable points connected with our post war cars, especially the smaller… | ||
| scan0066 | Proposal for testing a 'hot spot' to investigate its effect on fuel economy. | ||
| View original record | Rm/CTS.3/ET.15.11.40 - 2 - HOT SPOT. This is such an important factor that it is worth while carrying out a full investigation and we have all the necessary machinery for doing this. First we shall… | ||
| scan0067 | Inquiry to Solex Ltd. regarding governor type carburettors. | ||
| View original record | 1086 FILE COPY carburettors Solex Rm.9/ML. 20.11.40. Messrs Solex Ltd., Carburettor Manufacturers, 223-231 Marylebone Road, LONDON, N.W.1. Dear Sirs, We understand from Messrs Leyland Motors Ltd.,… | ||
| scan0068 | Follow-up letter to the S.U. Carburetter Co. regarding sticking air valves on the H.4 carburetter and requesting a list of needles. | ||
| View original record | 1036 EXPERIMENTAL DEPARTMENT 19th December, 1940. Rm/CTS.5/ET. The S.U. Carburetter Co. Ltd., Adderley Park, BIRMINGHAM 8. Attention of Mr. Skinner. Dear Sir, Further to our letter dated 19th… | ||
| scan0069 | Carburetion strategies for post-war cars, including induction pipes and a comparison of carburetter manufacturers. | ||
| View original record | To Rm. from Rm/CTS. Rm/CTS.3/ET.15.11.40. CARBURATION. (Post War Rationalised Range) 1086 It is agreed that one of the more desirable points connected with our post war cars, especially the smaller… | ||
| scan0070 | Outlining a series of tests to investigate fuel economy related to intake heat (hot spot). | ||
| View original record | Rm/CTS.3 /ET.15.11.40 - 2 - HOT SPOT. This is such an important factor that it is worth while carrying out a full investigation and we have all the necessary machinery for doing this. First we shall… | ||
| scan0071 | Calculation of engine volume displacement and gas velocity for different carburettor pipes. | ||
| View original record | 3 1/2 x 4 1/2 Engine (260 cu.in) Carburettion Volume displaced at 1000 R.P.M. = (260 x 1000) / (12^3 x 2 x 60) 1036 = 1.25 cft/sec. ------------------- Smallest Stromberg pipe used = 1.4" dia - Gas… | ||
| scan0072 | Letter to Mr. Fisher concerning fuel economy with Stromberg carburetters and post-war programme considerations. | ||
| View original record | 1036 EXPERIMENTAL DEPARTMENT. Rm/CTS.4/ET. 8th January, 1941. - Fisher, Esq., 22 Hazel Oak Road, SHIRLEY, near BIRMINGHAM. Dear Mr. Fisher, Further to our recent conversation concerning fuel economy… | ||
| scan0073 | Follow-up letter regarding the availability and pricing of a 1938 Cadillac part for post-war production. | ||
| View original record | Rm/CTS.5/ET.8.1.41 - 2 - side of the engine to the induction system. As stated previously, we have been all over this ground before and the question still is:- Is the 1938 Cadillac type AAV.25 (11/32… | ||
| scan0074 | Article on carburation, suggesting observations on valve timing and a 6-cylinder induction system. | ||
| View original record | carburator 1036 Rm/CTS. from Rm. c. Rm/TAS. Rm.9/ML.20.I.41. There was a very interesting article by Mantell in the "Automobile Engineer" of last month, on carburation. I should like you to observe… | ||
| scan0075 | Letter from Solex Ltd. confirming the despatch of two 56 m/m carburettors to the Experimental Department. | ||
| View original record | TELEGRAMS "SOLEXCARB. NORWEST. LONDON." TELEPHONES PADDINGTON 5011 (6 LINES). SOLEX LTD. Director GORDON RICHARDS. SOLEX WORKS - 223-231 MARYLEBONE ROAD LONDON N.W.1. YOUR REF. RM.5/ET. OUR REF. GR/CF… | ||
| scan0076 | Sourcing Kestrel X carburetters for experimental use, detailing failed enquiries and suggesting potential contacts. | ||
| View original record | To Rm. from Rm/AA. Rm/AA.1/ST.19.2.41. 1086 KESTREL X CARBURETTERS. ----------------------- I made a number of enquiries from LA. etc.. regarding the above, but with very poor results. Records do not… | ||
| scan0077 | Letter to Solex Carburetters Ltd. acknowledging the delivery of two 56m/m carburettors. | ||
| View original record | 1086 20th February, 1941. Em.8/ET. Messrs. Solex Carburetters Ltd., 223-231 Marylebone Road, L O N D O N N.W. 1. Dear Sirs, We thank you for the two 56m/m. carburetters, which have been delivered to… | ||
| scan0078 | Carburetter and engine performance, focusing on issues with throttle bias and fuel distribution. | ||
| View original record | 1086 To Rm. from Rm/TAS. c. to Ev. c. to Jnr. c. to Rm/OTS. c. to Rm/Wym. Rm/TAS.3/ET.27.1.41. "Notes on Carburetter and Engine." In the following notes a case is made for turning a fixed choke… | ||
| scan0079 | Notes on carburation, choke sizes, and throttle bias, with reference to an article by Louis Mantell. | ||
| View original record | To Rm. Ev. Jnr. from Rm/TAS. Copy to Rm/CTS. & Rm/Wym. Rm/TAS.3/ET.27.1.41. NOTES ON "CARBURATION AND ENGINE" by Louis Mantell. (The Automobile Engineer, Jan. 1941). --------------------------------… | ||
| scan0080 | Analysis of fuel mixture distribution under the effects of acceleration, engine mounting tilt, and induction pipe design. | ||
| View original record | Rm/TAS.3/ET.27.1.41. - 2 - 2. The cone of mixture leaving the discharge tube will now descend at 5 1/2° out of vertical. Together with 1 1/2° backward tilt on the engine, this means that the fuel is… | ||
| scan0081 | Technical analysis of carburettor performance, modifications, and issues such as flat spots on various engine types. | ||
| View original record | Rm/TAS.3/ET.27.1.41. - 3 - The point is that all these effects are cumulative and tend to upset test bed prediction. This type of carburettor is obsolete on 6 and 8 cylinder engines, and items 1. and… | ||
| scan0082 | Analysis of petrol consumption and throttle bias in relation to carburettor performance. | ||
| View original record | Rm/TAS.3/ET.27.1.41. - 4 - Give-and-take petrol consumption at an average 45 M.P.H. was unchanged. This provided two separate answers:- A. Unchanged fuel consumption shewed that part throttle… | ||
| scan0083 | Letter to Zenith Carburetter Co. regarding Kestrel and Zenith 60 D.C.A. carburetters, discussing jets, delivery dates, and test bed programmes. | ||
| View original record | EXPERIMENTAL DEPARTMENT 1036 4th July, 1941. m/CTS.1/RH. Messrs. Zenith Carburetter Co., Honeypot Lane, Stanmore, Middlesex. Kestrel Carburetter. Dear Sirs, We thank you for your letter ref: AEP/LT,… | ||
| scan0084 | To Central Stores confirming the collection of two Zenith carburettors from Belper Station. | ||
| View original record | To: Central Stores from Rm/CTS. 1036 Rm/CTS.1/RH.11.8.41. Will you please note that we have collected from Belper Station (LMS) - 2 Carburetters, Zenith type D.C.B.60. Rm/CTS. | ||
| scan0085 | Letter to Solex Ltd. about the results of a check test on 56 mm carburetters. | ||
| View original record | EXPERIMENTAL DEPARTMENT. 1036 11th September, 1941. Rm/CTS.2/RH. Solex Ltd., 223-231, Marylebone Road, L O N D O N. N.W.1. Attention of Mr. Gordon Richards. Dear Sirs, We thank you for your letter… | ||
| scan0086 | Photograph of an engine bay showing a carburettor, flexible air intake hose, fuel pump and oil reservoir. | ||
| View original record | S.U. CO LTD BIRMINGHAM RR | ||
| scan0087 | Photograph showing the right-hand side of a car engine and its components. | ||
| View original record | ROLLS-ROYCE | ||
| scan0088 | Letter to S. Smith & Sons regarding an air temperature problem and a thermostat for a Stromberg Carburetter. | ||
| View original record | EXPERIMENTAL DEPARTMENT. Rm/CTS.14/JH. 24th June, 1938. Messrs. S. Smith & Sons (Motor Accessories) Ltd., Cricklewood Works, LONDON.N.W.2. For the attention of Mr. Grosé. Dear Sirs, We thank you for… | ||
| scan0089 | Letter from S. Smith & Sons regarding their Automatic Jet Control for the S.U. Carburetter. | ||
| View original record | 105 C.T.S CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY S. Smith & Sons (Motor Accessories) Ltd CRICKLEWOOD WORKS LONDON, N.W.2 TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE,… | ||
| scan0090 | Letter from S. Smith & Sons regarding a HaDees Heater and enclosing a full description of a unit. | ||
| View original record | RP #1 S. SMITH & SONS (Motor Accessories) LTD. CRICKLEWOOD WORKS, LONDON, N.W.2. CONTINUATION NO. 1 Messrs. Rolls-Royce Ltd. 27th May 1938. We are also enclosing herewith a full description of the… | ||
| scan0091 | Letter to S. Smith & Sons regarding the trial of an automatic jet control for an S.U. Carburetter. | ||
| View original record | (Experimental Dept.) Rm/CTS7/R. 3rd June, 1938. Messrs. S. Smith & Sons, (Motor Accessories) Ltd., Cricklewood Works, N.W.2. Your Ref: S.10. Dear Sirs, We thank you for your letter of May 27th… | ||
| scan0092 | Assembly drawing for a 70% Automatic Jet Control unit for Morris Motors. | ||
| View original record | ASSEMBLY 70% AUTOMATIC JET CONTROL (MORRIS) PART NUMBERS/CALLOUTS: SK 29941 P 43389 SK 22251 N 22? W 6063 P 43387 P 43385 X 29965 P 29941 P 43388 P 29944 SK 29942 P 20350 W 7275 P 43390 P 20346 P… | ||
| scan0093 | Description of the Smith Automatic Jet Control for the S.U. Carburetter. | ||
| View original record | SMITH AUTOMATIC JET CONTROL FOR S.U. CARBURETTER This device completely eliminates the normal dashboard hand control choke on the S.U. Carburetter. During the period of warming up from cold (2½ to 3… | ||
| scan0094 | Page 2 of a document describing the operation of a device to manage engine mixture, specifically the Smith Automatic Jet Control for an S.U. Carburetter. | ||
| View original record | -2- So long as the engine is ticking over the mixture will remain partially rich, and will gradually move to the fully weak position as the engine warms up; thus it will be seen that whilst the engine… | ||
| scan0095 | Letter from S. Smith & Sons regarding a loan of an Automatic Jet Control unit for testing with S.U. Carburetters. | ||
| View original record | 105 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON. S. Smith & Sons (Motor Accessories) Ltd CRICKLEWOOD WORKS LONDON,… | ||
| scan0096 | Letter from S. Smith & Sons regarding Automatic Jet Control and Carburetter Temperature Control. | ||
| View original record | 105 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY [Crest: ENGINEERING AND ALLIED EMPLOYERS NATIONAL FEDERATION 1928] TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON.… | ||
| scan0097 | Letter from S. Smith & Sons regarding carburetter and thermostat design modifications. | ||
| View original record | RP 81 S. SMITH & SONS (Motor Accessories) LTD. CRICKLEWOOD WORKS, LONDON, N.W.2. CONTINUATION NO. 1 Messrs. Rolls-Royce Ltd. 20th June 1938. the carburetter passing over the top of the cuff valve,… | ||
| scan0098 | Thermostatic air temperature control tests carried out by Weslake & Taylor Ltd. | ||
| View original record | REPORT ON THERMOSTATIC AIR TEMPERATURE CONTROL Tests carried out by WESLAKE & TAYLOR LTD. August 26th 1936 CONTINUATION NO. S. SMITH & SONS (Motor Accessories) LTD. CRICKLEWOOD WORKS, LONDON, N.W.2.… | ||
| scan0099 | Thermostatic air temperature control and its effect on carburettor engine performance. | ||
| View original record | REPORT ON THERMOSTATIC AIR TEMPERATURE CONTROL Description of Tests Experiments were made in order to determine the effect of various temperatures of the intake air to a carburetter on engine… | ||
| scan0100 | Page of test bench results showing the effects of different air intake temperatures on engine power and fuel consumption. | ||
| View original record | -2- Test Bench Results Many tests were made at various temperatures. Great care had to be taken that conditions were as near constant as possible, and the following figures illustrate the effects of… | ||
| scan0101 | The effects of air temperature on engine performance, including pinking, carburation, fuel consumption, and warming up. | ||
| View original record | -3- Effect on Pinking As the air temperature was raised so pinking became more intense. Alteration to the ignition advance cut out pinking but reduced power. There is no doubt in the writer's mind… | ||
| scan0102 | Engine performance data comparing runs with and without an air heater, and a discussion on cold air intake design. | ||
| View original record | -4- Engine run without Air Heater R.P.M. H.P. Fuel Pints per hour Pints per B.H.P/hour 1000 10 5.5 .55 2000 21.4 11. .515 3000 30.4 15. .495 4000 37.2 19.75 .585 Engine run with Heater fitted Sleeve… | ||
| scan0103 | The effect of warm air on various carburetter types, with independent opinions from other manufacturers. | ||
| View original record | -4- Effect of Warm Air on Various Types of Carburetters The writer used an S.U. Carburetter throughout these tests. This carburetter is of the constant vacuum type. On a static type of carburetter… | ||
| scan0104 | Title page for air flow tests of a combined temperature control and air cleaner unit. | ||
| View original record | AIR FLOW TESTS of COMBINED TEMPERATURE CONTROL and AIR CLEANER. CARRIED OUT BY WESLAKE & TAYLOR. LIMITED. JUNE 17th 1936. Continuation No. S. SMITH & SONS (Motor Accessories) LTD., CRICKLEWOOD WORKS,… | ||
| scan0105 | Air flow tests of a combined temperature control and air cleaner for an S.U. carburetter. | ||
| View original record | AIR FLOW TESTS OF COMBINED TEMPERATURE CONTROL and AIR CLEANER. The following tests were carried out in order to determine the amount of restriction to air flow when fitted to a standard make of… | ||
| scan0106 | Results of air flow tests on an instrument under various configurations to identify restrictions. | ||
| View original record | -2- Test No. 3. Air flow tests were then made with the complete instrument. Cold position 7.95 Hot Position 8.3 Cold position being the starting position when all the air has to pass over the heater… | ||
| scan0107 | Series of tests on a thermostat, including lift, position, and airflow. | ||
| View original record | -3- Test No. 4. As it is desirable to restrict the movement of the Thermostat as much as possible a series of tests were made to determine the minimum lift it was possible to use. It was found that a… | ||
| scan0108 | Series of tests on thermostat movement, positioning, and air intake components. | ||
| View original record | -5- Test No. 4. As it is desirable to restrict the movement of the Thermostat as much as possible a series of tests were made to determine the minimum lift it was possible to use. It was found that a… | ||
| scan0109 | Assembly drawing for a combined temperature control, air cleaner, and silencer. | ||
| View original record | DET 22 Ex X 9743 DET 23 Ex X 9743 DET 2 Ex X 9743 DET 27 Ex X 9743 DET 18 Ex X 9743 DET 8 Ex X 9743 DET 25 Ex X 9743 COPPER WOOL DET 16 Ex X 9743 DET 12 Ex X 9743 S 5246 S 2391 S 2295 DET 31 Ex X 9743… | ||
| scan0110 | Letter from supplier S. Smith & Sons regarding a delay and a proposed alternative for an Automatic Jet Control component. | ||
| View original record | 105 File 1038 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY BY APPOINTMENT TO HIS MAJESTY THE KING TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON. CABLES: SPEEDOFAC,… | ||
| scan0111 | Letter to S. Smith & Sons agreeing to a thermostat arrangement for an experiment. | ||
| View original record | 1038? EXPERIMENTAL DEPARTMENT. RM/CTS.3/JH. 2nd. August, 1938. S.Smith & Sons (Motor Accessories) Ltd., Cricklewood Works, LONDON.N.W.2. For the attention of Mr. F.G.Grosé. Dear Sirs, With reference… | ||
| scan0112 | Letter from S. Smith & Sons regarding the dispatch of an Automatic Jet Control unit on loan. | ||
| View original record | 105 1038 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY BY APPOINTMENT TO HIS MAJESTY THE KING ENGINEERING AND ALLIED EMPLOYERS NATIONAL FEDERATION TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS:… | ||
| scan0113 | Letter to S. Smith & Sons regarding an Automatic jet control instrument for experiments. | ||
| View original record | 1038 EXPERIMENTAL DEPARTMENT. Rm/CTS.9/JH. 8th August, 1938. S.Smith & Sons (Motor Accessories) Ltd., Cricklewood, London.N.W.2. For the attention of Mr. Grosé. Dear Sirs, We have received today one… | ||
| scan0114 | Letter from S. Smith & Sons confirming the dispatch of a special miniature automatic jet control unit. | ||
| View original record | 105 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON. CABLES: SPEEDOFAC, LONDON. CODES: MARCONI, COMMERCIAL, BENTLEY'S. BY… | ||
| scan0115 | Letter from S. Smith & Sons regarding the dispatch and testing of a miniature Automatic Jet Control unit. | ||
| View original record | 108 1038 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY BY APPOINTMENT TO HIS MAJESTY THE KING TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON. CABLES: SPEEDOFAC, LONDON.… | ||
| scan0116 | Follow-up letter from S. Smith & Sons regarding a sample Automatic Jet Control sent for testing. | ||
| View original record | 105 ENGINEERING AND ALLIED EMPLOYERS NATIONAL FEDERATION 1896 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY BY APPOINTMENT TO HIS MAJESTY THE KING TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS:… | ||
| scan0117 | Letter to S. Smith & Sons Ltd. regarding the testing of an automatic jet control and experiments on controlled air intake temperature. | ||
| View original record | 1038. Experimental Dept. Rm/CTS.4/MH. 31st. August 1938. Messrs. S.Smith & Sons Ltd., Cricklewood works, LONDON, N.W.2. For the attention of Mr.F.J.Grosé. Dear Sirs, With reference to the sample… | ||
| scan0118 | The second page of a typed letter concluding a correspondence about ongoing experiments. | ||
| View original record | -2- 31st. August 1938. we would be interested to hear your further comments on this matter; in the meantime we are proceeding with our experiments. Yours faithfully, for ROLLS-ROYCE LTD. | ||
| scan0119 | Letter from S. Smith & Sons regarding an Automatic Choke Control and automatic air intake. | ||
| View original record | CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY BY APPOINTMENT TO HIS MAJESTY THE KING TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON. CABLES: SPEEDOFAC, LONDON. CODES:… | ||
| scan0120 | Letter from S. Smith & Sons responding to tests on an experimental Carburetter Temperature Control Unit. | ||
| View original record | 109 1038 ENGINEERING AND ALLIED EMPLOYERS' NATIONAL FEDERATION 1926 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY BY APPOINTMENT TO HIS MAJESTY THE KING TELEPHONE: GLADSTONE 3333 (20 LINES)… | ||
| scan0121 | Letter from a supplier about a device designed to accurately meter heat to simulate road conditions during engine testing. | ||
| View original record | R.P.81 S. SMITH & SONS (Motor Accessories) LTD. CRICKLEWOOD WORKS, LONDON, N.W.2. CONTINUATION NO. 1 Messrs. Rolls-Royce Limited. 6th September 1938. The job we are putting up is intended to enable… | ||
| scan0122 | Letter to S. Smith & Sons Ltd. clarifying misunderstandings and detailing tests on a Temperature Control Unit for a 4¼ litre Bentley engine. | ||
| View original record | 1038 EXPERIMENTAL DEPARTMENT. Rm/OTS.17/JH. 7th September, 1938. S.Smith & Sons Ltd., Cricklewood Works, LONDON.N.W.2. For the attention of F.G.Grosé Esq. Dear Sirs, We thank you for your interesting… | ||
| scan0123 | Letter detailing the method of testing a tuned resonance chamber air silencer. | ||
| View original record | -2- As you probably know, we use a tuned resonance chamber type of air silencer, inside which was fitted a coil of copper tubing, which took the shape of and replaced the normal centre tube of the… | ||
| scan0124 | Letter from S. Smith & Sons acknowledging correspondence from Mr. C.T. Salt, advising a further reply will be sent. | ||
| View original record | 105 1038 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON. CABLES: SPEEDOFAC CODES: MARCONI S. Smith & Sons (Motor… | ||
| scan0125 | Letter to Messrs. S. Smith & Sons Ltd. reporting the failure of an Automatic Jet Control unit during road testing. | ||
| View original record | 1038 EXPERIMENTAL DEPARTMENT. Rm/GR.5/JH. 3rd. October, 1938. Messrs. S. Smith & Sons Ltd. Cricklewood works, LONDON.N.W.2. For the attention of Mr. F.J. Grosé. Dear Sirs, re Automatic Jet Control.… | ||
| scan0126 | Return of a failed automatic jet control unit to S. Smith & Sons Ltd. for inspection. | ||
| View original record | 1038. To Roy. from Rm/GR. Rm/GR.6/JH.3.10.38. We are returning one automatic jet control unit to Messrs. S. Smith & Sons Ltd., Cricklewood Works, London.N.W.2. for the attention of Mr. F.J. Grosé. (As… | ||
| scan0127 | Letter from S. Smith & Sons regarding the repair and despatch of a Smith's Automatic Jet Control unit. | ||
| View original record | 105 File 1038 WE ARE EXHIBITING AT BICYCLE and MOTOR CYCLE SHOW NOV 7-12 EARLS COURT STAND No. 133 AGENCIES AND SERVICE STATIONS THROUGHOUT THE BRITISH EMPIRE AND IN ALL THE PRINCIPAL COUNTRIES… | ||
| scan0128 | Request to arrange payment for one complete type DBV.42 throttle body for testing purposes on the Wraith (52439). | ||
| View original record | 1038 To Roy. c. to G/JWH. Rm/FD.6/JH.21.10.38. Will you please arrange payment for one throttle body complete type DBV.42 This is for test purpose to be used in conjunction with the Smith's Automatic… | ||
| scan0129 | Letter from S. Smith & Sons regarding an instrument's performance at different air temperatures and its installation. | ||
| View original record | 105 1038 WE ARE EXHIBITING AT BICYCLE AND MOTOR CYCLE SHOW NOV 7-12 EARLS COURT STAND No. 133 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY BY APPOINTMENT TO HIS MAJESTY THE KING CABLES:… | ||
| scan0130 | Letter from S. Smith & Sons regarding testing an Air Temperature Control device. | ||
| View original record | R.P.81 S. SMITH & SONS (Motor 'Accessories) LTD. CRICKLEWOOD WORKS, LONDON, N.W.2. CONTINUATION NO. 1. Messrs. Rolls-Royce Ltd., 24th October, 1938 device, as it is so difficult for us to make a test… | ||
| scan0131 | Letter from S. Smith & Sons regarding a damaged rolling rubber gland ring on a small Automatic Jet Control unit. | ||
| View original record | 105 1038 WE ARE EXHIBITING AT BICYCLE AND MOTOR CYCLE SHOW NOV 7-12 EARLS COURT STAND No. 133 AGENCIES AND SERVICE STATIONS THROUGHOUT THE BRITISH EMPIRE AND IN ALL THE PRINCIPAL COUNTRIES CONTRACTORS… | ||
| scan0132 | Letter to S. Smith & Sons Ltd. requesting a quote for an Automatic Jet control instrument in quantity. | ||
| View original record | 1038 EXPERIMENTAL DEPARTMENT. Rm/TAS.11/JH. 4th. January. 1939. Messrs. S. Smith & Sons Ltd., Cricklewood Works, LONDON.N.W.2. For the attention of F.J. Grosé Esq. Your ref. S.10. Dear Sirs, With… | ||
| scan0133 | Quotation from S. Smith & Sons for 500 Automatic Jet Control units, discussing component options. | ||
| View original record | 105 1038- mr Swindon S.SMITH & SONS (Motor Accessories) Ltd CRICKLEWOOD WORKS LONDON. N.W.2 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS:… | ||
| scan0134 | Letter to S. Smith & Sons Ltd. about a thermostat unit and a request for a meeting in Derby. | ||
| View original record | 1038 EXPERIMENTAL DEPARTMENT. Rm/TAC.14/JH. 7th. January, 1939. Messrs. S. Smith & Sons Ltd., Cricklewood Works, LONDON.N.W.2. For the attention of Mr. F.J. Grosé. Dear Sirs, We thank you for your… | ||
| scan0135 | Letter from S. Smith & Sons chasing the receipt of an Automatic Jet Control, code X.29963. | ||
| View original record | S. Smith & Sons (Motor Accessories) Ltd CRICKLEWOOD WORKS LONDON, N.W.2 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY TELEPHONE: GLADSTONE 3333 (40 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON.… | ||
| scan0136 | Letter to Messrs. S. Smith & Sons Ltd. arranging a visit to Derby. | ||
| View original record | 1038 EXPERIMENTAL DEPARTMENT. Rm/TAS.15/JH. 12th. January, 1939. Messrs. S. Smith & Sons Ltd., Cricklewood Works, LONDON.N.W.2. For the attention of F.J. Grosé Esq. Dear Sirs, We understand from a… | ||
| scan0137 | Letter from S. Smith & Sons regarding an order for HaDees Heaters and a telephone conversation. | ||
| View original record | 105 1038 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY ENGINEERING AND ALLIED EMPLOYERS' NATIONAL FEDERATION 1918 TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON.… | ||
| scan0138 | Letter from S. Smith & Sons arranging a visit to discuss a previous letter. | ||
| View original record | 105 1038 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY ENGINEERING & ALLIED EMPLOYERS NATIONAL FEDERATION 1896 TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON. S.Smith &… | ||
| scan0139 | Letter from S. Smith & Sons concerning the design and specifications of an automatic choke control unit. | ||
| View original record | 105 1038 RW/ T.A. Swindon Garage CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY ENGINEERING AND ALLIED EMPLOYERS' NATIONAL FEDERATION 1896 TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS:… | ||
| scan0140 | Despatch request for one automatic jet control to Messrs. S.Smith & Sons Ltd. | ||
| View original record | 1038 To D/BP. from Rm/CTS. c. Hq/FC. Rm/CTS.2/MH.28.1.39. will you please despatch to:- Messrs. S.Smith & Sons Ltd., Cricklewood Works, London, N.W.2. one automatic jet control, as per our letter ref.… | ||
| scan0141 | Internal request to place an order for two automatic jet controls with S. Smith & Sons Ltd. | ||
| View original record | 1038 To Roy. from Rm/CTS. c. G/JWH. c. Roy/AW. Rm/CTS.4/MH.28.1.39. Will you please send an order to:- Messrs. S. Smith & Sons Ltd., Cricklewood Works, London, N.W.2. To cover:- Two automatic jet… | ||
| scan0142 | Letter to S.Smith & Sons Ltd. regarding the return and retention of automatic jet control units for testing. | ||
| View original record | 1038 Experimental Dept. Rm/CTS.3/MH. 28th. January, 1939. Messrs. S.Smith & Sons Ltd., Cricklewood Works, LONDON, N.W.2. Your Ref. D.4.b. Dear Sirs, With reference to your letter dated 23rd. January,… | ||
| scan0143 | Letter from the Experimental Department to S. Smith & Sons Ltd. chasing the delivery of a special automatic jet control. | ||
| View original record | 1038 EXPERIMENTAL DEPARTMENT. Rm/TAC.6/JH. 10th. February, 1939. Messrs. S. Smith & Sons Ltd., Cricklewood Works, LONDON.N.W.2. For the attention of Mr. F.J. Grosé. Dear Sirs, With reference to your… | ||
| scan0144 | Letter from S. Smith & Sons regarding the delivery of a special Automatic Jet Control. | ||
| View original record | 105 1038 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON. CABLES: SPEEDOFAC, LONDON. CODES: MARCONI, COMMERCIAL, BENTLEY'S.… | ||
| scan0145 | Despatch note for an Automatic jet control to S.Smith & Sons, Ltd. | ||
| View original record | 1038 Hd/FC. c. D/BP. Rm/CTS 14/ER 16.2.39. To Despatch Stores. Will you please despatch to S.Smith & Sons, Ltd., Cricklewood, LONDON. One Automatic jet control No. X. 29963. Rm/CTS. | ||
| scan0146 | Letter from S. Smith & Sons regarding the dispatch and specifications of a Small Automatic Jet Control. | ||
| View original record | 105 1038 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY ENGINEERING AND ALLIED EMPLOYERS' NATIONAL FEDERATION TELEPHONE: GLADSTONE 3333 (20 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON. S. Smith &… | ||
| scan0147 | Payment for an Automatic Jet control unit from S. Smith & Sons. | ||
| View original record | 1038 To Roy. c.c. to G/JWH. Rm/TAS.2/JH.30.3.39. Will you please arrange payment for one EX.CK.10939 Automatic Jet control from S. Smith & Sons (M.A.) Ltd., Cricklewood Works, London. N.W.2. This… | ||
| scan0148 | Letter from The Automobile Engineer magazine regarding a combined air cleaner and air temperature control unit. | ||
| View original record | 1038 THE AUTOMOBILE ENGINEER INCORPORATING MOTOR BODY BUILDING Proprietors, ILIFFE & SONS LTD EDITORIAL DEPARTMENT DORSET HOUSE STAMFORD STREET LONDON, S.E.1 BIRMINGHAM, GUILDHALL BLDGS. NAVIGATION ST… | ||
| scan0149 | Letter to The Automobile Engineer regarding an air temperature control unit and tests carried out with Mr. Grose. | ||
| View original record | 1038. Rm/CTS.9/JH. 9th. October, 1939. The Editor, The Automobile Engineer, Stamford St., LONDON.S.E.1. Dear Sirs, With reference to your letter dated 5th. October. We have to inform you that the air… | ||
| scan0150 | Letter to S. Smith & Sons clarifying a misunderstanding about an air temperature control unit. | ||
| View original record | 1038 Rm/CTS.10/JH. 9th. October, 1939. Messrs. S. Smith & Sons (M.A.) Ltd., Cricklewood Works, LONDON.W.2. For the attention of Mr. Grose. Dear Sirs, We have received a letter from the Editor of the… | ||
| scan0151 | Letter from 'The Automobile Engineer' magazine regarding inaccurate records from Messrs. S. Smith & Sons. | ||
| View original record | THE AUTOMOBILE ENGINEER INCORPORATING MOTOR BODY BUILDING Proprietors, ILIFFE & SONS LTD EDITORIAL DEPARTMENT DORSET HOUSE STAMFORD STREET LONDON, S.E.1 BIRMINGHAM, GUILDHALL BLDGS. NAVIGATION ST… | ||
| scan0152 | Letter of apology from S. Smith & Sons regarding a misunderstanding over an Air Temperature Control Unit. | ||
| View original record | S. Smith & Sons (Motor Accessories) Ltd CRICKLEWOOD WORKS LONDON, N.W.2 CONTRACTORS TO ADMIRALTY, WAR OFFICE & AIR MINISTRY TELEPHONE: GLADSTONE 3333 (40 LINES) TELEGRAMS: SPEEDOFAC, PHONE, LONDON.… | ||
| scan0153 | List of required work and measurements for a Citroen Bentley 4-B-IV chassis. | ||
| View original record | X46 To RHC. Hs/Les.15/KW.7.10.36. Citroen Bentley - 4-B-IV. Will you please do the following work on the above chassis. (1) The front suspension bearings are far too tight. (2) The steering mechanism… | ||
| scan0154 | The reduction of transverse pivot lean on a Citroen Bentley. | ||
| View original record | To RHC. Citroen Bentley. We are very anxious to reduce the transverse pivot lean of the above car from 8½º to 1½º. The standard Bentley has only 1º transverse pivot lean. Rm.245 shows a simple method… | ||
| scan0155 | Steering geometry modifications for the Citroen Bentley. | ||
| View original record | [Handwritten]: Read 246 HPS. from Rm/Les. Rm/Les2/R.4.12.36. CITROEN BENTLEY. We do not require the reduced transverse pivot lean fitted at the same time that the improved cross-steering tube geometry… | ||
| scan0156 | Short memo regarding a report on Citroen front suspension and the need for more road experience. | ||
| View original record | W/P. To Sr. from Rm/Les. 1040 Rm/Les.23/AP.17.12.36. CITROEN FRONT SUSPENSION I have not forgotten your report on the above, but feel it will be a little less useless after we have had a bit more road… | ||
| scan0157 | Request to fit a temporary exhaust pipe to a Citroen Bentley to clear a new torsion bar support crossmember. | ||
| View original record | To HPS. from Rm/Les. J 1040. Rm/Les.5/AP.13.1.37. CITROEN BENTLEY Will you please arrange for a temporary length of exhaust pipe to be fitted to the above car, which will clear a new torsion bar… | ||
| scan0158 | Tests to diagnose a transverse shake on a Bentley fitted with a Citroen front suspension. | ||
| View original record | 1040 E/Ev.2/MN.12.1.37. To Rm. Copy to E. Da. Rm/Les. Re Bentley with Citroen Front Suspension. We confirm our conversation of this morning re the above car. We would be very glad if you could arrange… | ||
| scan0159 | The change of rear springs on a Citroen Bentley 4.B.1V car. | ||
| View original record | 1040. To HPS. from Rm/Les. Rm/Les.2/AP.8.2.37. CITROEN BENTLEY 4.B.1V. Will you please change the rear springs on the above car so that the initial deflections are reduced to 4" instead of 5 1/2" as… | ||
| scan0160 | Initial design and production plan for a Bentley S2 straight-8 engine. | ||
| View original record | To: By/CS. c.c. to HPS. c.c. to Da. c.c. to Rm. BY/NS.2/MG.8.5.39 BENTLEY S2 STRAIGHT 8. 3¼" bore x 4½" stroke. ALUM.CRANKCASE Conventional Head It is intended to produce a straight 8 engine 3¼" dia.… | ||
| scan0161 | Specification of modifications and parts fitted to a Bentley 80 No.6 engine unit. | ||
| View original record | To: Rm. from Wym/HN/CP. 1043 Chassis (I think this should be Bentley 80 not 82) Wym/HN/CP.4/LH. 29.3.44. Bentley 80. No.6 Unit. Specification of the above engine unit is revised as follows :- Work… | ||