Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Extract regarding carburetter modifications for the American model. | ||
| View original record | X.3675. Extract from R6/G27.9.19. RE AMERICAN MODEL CARBURETTER. Build reverse hand but with jet control threads as now to agree with marking on steering column. | ||
| scan0002 | Manufacturing policy for American chassis, continuing right-hand drive production and halting left-hand drive work. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. L.3675 To Wor. from Bn. Copy to Bl. Da. BY. Hs. CK. X.3614. X.3548. Bn9/W31.10.19. RE AMERICAN CHASSIS. Mr. Johnson telephoned this afternoon that… | ||
| scan0003 | Carburetter Proposal Sheet No. 9 and an attached drawing. | ||
| View original record | To R. from BJ. c. to EP. c. to Hs. V3675 BJ/Py/D12.11.23. Re: Carburetter - Proposal Sheet No. 9. I attach copy of Oy9-E-103023 of October the 30th. Will EP. please say if the drawing was despatched.… | ||
| scan0004 | Letter regarding Carburetter Proposal Sheet No.9, awaiting an unreceived drawing for a needle valve alteration. | ||
| View original record | Oy9-E-105025 October 30, 1925. Mr. Claude Johnson, Rolls-Royce, Ltd., London, England. (Copy for attention of Mr.Royce " " " " Mr.E.Platford " " " " Mr.E.Hives) Dear Sir: Re: Carburetter Proposal… | ||
| scan0005 | Letter discussing the momentary sluggishness in acceleration of the 40/50 and Phantom models due to carburation. | ||
| View original record | X-3675 cc - Mr. Haldenby Mr. Hulley S/W Hs Oy3-E-122726 December 27, 1926. Mr. F. H. Royce, Rolls-Royce, Ltd., London, England. (Copy for attention of Mr. Hives) Re Carburation Dear Mr. Royce: With… | ||
| scan0006 | Potential improvements for engine performance related to intake pipes, fuel pumps, carburetters, and starting. | ||
| View original record | OyS-E-122726 -2- December 27, 1926. I have been wondering whether - (1) A smaller intake pipe (2) A fuel pump connected with the throttle for instantaneous strength-ening of the mixture, as used by… | ||
| scan0007 | Proposing a standard change to the air-cleaner to prevent the air valve from sticking. | ||
| View original record | Oy3-E-122726 -3- December 27, 1926. We shall shortly send a proposal sheet suggesting that this latter change should be made standard, as we find it has no effect on carburation and it has the great… | ||
| scan0008 | Letter from Maurice Olley discussing a modification to the carburetter suction chamber by adding slots and its testing results. | ||
| View original record | X3675 Ho Els [Stamp: REC'D JUN ... 1927] Oy21-L-52427 May 24th, 1927. Mr. R. W. H. Bailey, Rolls-Royce Ltd., Derby, England. (Copy for attention of Mr.Hives " " " " Mr.Haldenby) Dear Mr. Bailey: Re:… | ||
| scan0009 | Service installation diagram for an air cleaner. | ||
| View original record | DRAWING NO. M 390 10.625 E-4750 4.012 USE EXISTING PARTS. UNLESS OTHERWISE SPECIFIED. M-386 M-230-B-1 M-385 M-389 M-387 SWEAT M-298 MAKE TUBE SLIDING FIT IN MANIFOLD THIS CARBURETTOR & AIR CLEANER… | ||
| scan0010 | Technical drawing for a suction chamber. | ||
| View original record | IT IS IMPORTANT THAT THESE BORES ARE GROUND AT THE SAME SETTING TO OBTAIN AN ACCURATE CONCENTRICITY. GRIND TO A SMOOTH FINISH - LAPPING NOT NECESSARY. DRAWING NO A10136 SEE ALSO THE FOLLOWING… | ||
| scan0011 | Letter discussing a change in material for carburetter air valves from aluminum to duralumin. | ||
| View original record | OyS-E-52627 X3675 May 26th, 1927. Mr. R. W. H. Bailey, Rolls-Royce Ltd., Derby, England. (Copy for attention of Mr. Hives " " " Mr. Haldenby) Dear Mr. Bailey: Carburetter - Section 5080 Air Valve We… | ||
| scan0012 | To abandon an experiment on aluminum alloy suction chambers due to repeated seizing, and to continue with valve tests. | ||
| View original record | X3675 OY-9 May 17th, 1929. Experimental Dept. cc - Mr. Burton Mr. Bagnall Mr. Ross Mr. Allen cc - Mr. Bailey Mr. Hives FROM: Mr. Olley CARBURETTER - SECTION 5080 Aluminum Alloy Suction Chambers In… | ||
| scan0013 | Alteration report detailing experiments on carburetter springs and air valve housing materials. | ||
| View original record | c. Hs. X3675 BY7/G.10.6.29. R.R.A.I. ALTERATION REPORTS. CARBURETTER SEC. 5080. Referring to OY9/ of May 7th, we have looked into this matter and made some experiments because we were under the… | ||
| scan0014 | Copy of an 'Automotive Industries' article detailing the development of a Wheeler-Schebler carburetor. | ||
| View original record | COPY FROM "AUTOMOTIVE INDUSTRIES DECEMBER 27, 1930. WHEELER-SCHEBLER DEVELOPS CARBURETOR ------------------------------------ The accelerating device is of the dwell type continuing to discharge for a… | ||
| scan0015 | The operation and features of a suction-controlled carburetor, including its piston, gaskets, accelerating device, and dash control. | ||
| View original record | -2- The advantage claimed for suction-controlled metering over metering under direct throttle control is that it makes it possible to employ a leaner "economy" mixture, while at the same time it… | ||
| scan0016 | Page describing a choke disk and a warming-up system, with a sectioned view diagram of a valve arrangement. | ||
| View original record | -3- This choke disk T carries a spring-loaded flapper valve U which covers a calibrated hole in the choke disk and which releases when the engine starts with a fully closed choke. The advantages… | ||
| scan0017 | Diagrams of a Schebler Model T Carburetor, showing a general view and a vertical section. | ||
| View original record | GENERAL VIEW OF SCHEBLER MODEL T CARBURETOR, SHOWING INTERCONN-ECTION BETWEEN THROTTLE CHOKE & WARMING-UP VALVE. VERTICAL SECTION THROUGH VENTURI AND AIR INLET. Diagram labels: P, R, S, O, A, B, C, D,… | ||
| scan0018 | Letter from Bendix Limited regarding an EE-3 carburetter and enclosing a blue print. | ||
| View original record | CABLES & TELEGRAMS: BENDIXCORP, BIRMINGHAM BENDIX LIMITED DIRECTORS: J. A. THOMSON A.B. WARING F.A. STANTON, U.S.A. TYSELEY, BIRMINGHAM TELEPHONE: ACOCKS GREEN 1601-2-3-4 Messrs Rolls-Royce Limited,… | ||
| scan0019 | Letter to Bendix Ltd. regarding a drawing of a carburetter fitted to a Packard Twin 6. | ||
| View original record | X3675 Exptl. Dept. Hs/Rn.2/KW. 29th March, 1935. Messrs. Bendix Ltd., Tyseley, Birmingham. For the attention of Mr. Wynne. Dear Sirs, Thank you for the drawing of the carburetter fitted to the Packard… | ||
| scan0020 | Article describing the design and operation of the 'Convac' carburettor. | ||
| View original record | MARCH 7, 1914. THE “CONVAC” CARBURETTOR. X4586 The AUTO MOTOR JOURNAL THE “Convac” Carburettor, which has recently been placed on the market by Messrs. W. J. Bithell, Ltd., of 46, Cannon Street,… | ||
| scan0021 | Magazine article detailing the features of the 'Convac' carburettor and the 'Bijou Reliance' horn. | ||
| View original record | The AUTO MOTOR JOURNAL MARCH 7, 1914. the “vacuum tube” so that the air pressure in the float chamber rises and a correspondingly greater quantity of fuel passes through the jet opening. The area of… | ||
| scan0022 | Letter from Stanley J. Watson offering a Stromberg carburetter for testing and quoting a price for Carpentier Spark Plugs. | ||
| View original record | x949 x4586 E- #5 ON WAR OFFICE AND ADMIRALTY LISTS. TELEPHONE RICHMOND 1732. " " 1733. A.B.C. CODE 5TH EDITION. TELEGRAMS "ROUSSILLON, RICHMOND, SURREY." STANLEY J. WATSON (BRITISH AGENT EISEMANN… | ||
| scan0023 | New carburetter offered by a long-standing customer and patentee for trial. | ||
| View original record | X4566 Bk16/DN/13.6.22. S/W. Hs. Mr. H.E. Walters, a very old R.R. customer, called in today with a new carburetter of which he is part patentee. Enclosed please find blue print of same. They claim to… | ||
| scan0024 | Letter declining the offer of a Maxima Carburetter blueprint after examination. | ||
| View original record | COPY. X4566 W/S C. to H.O. from Hs. Hs2/LG. 14th. June 1922. G.A.Benn Esq. Argentine Club, 1, Hamilton Place, London, W.1. Dear Sir, We have received from our Sales Dept. Conduit Street, London, a… | ||
| scan0025 | Recommendation to obtain descriptive material on a carburetter from Arnott before entering into an obligation. | ||
| View original record | EP. from Hs. X4566 Hs4/LG14.9.22. X4566 Referring to the attached :- I recommend that we first of all ask Arnott to supply us with any printed matter or description he has of the Carburetter. It would… | ||
| scan0026 | Letter from F.H. Arnott Ltd. promoting their CarburVac self-feeding carburettor. | ||
| View original record | X4566 TELEPHONE: 447 WILLESDEN. CarburVac Ltd. Self-feeding Carburetter MADE BY F. H. ARNOTT, LTD. MANUFACTURING ENGINEERS. GARAGE PROPRIETORS. OUR REF. YOUR REF. Station : Willesden Green (Met.)… | ||
| scan0027 | Article describing the design and operation of the 'Carburvac', a combined carburetter and vacuum fuel feed system. | ||
| View original record | Reprinted from The Autocar, October 1st, 1921. CARBURETTER AND VACUUM FEED IN ONE. How Fuel is Fed to the Float Chamber by the Suction of the Inlet Pipe without the Aid of a Special Tank. VACUUM tanks… | ||
| scan0028 | Article describing a suction-fed carburetter that combines carburetter and vacuum fuel supply functions. | ||
| View original record | Reprinted from "The Commercial Motor," November 1, 1921. A SUCTION-FED CARBURRETTER. An Instrument Combining Carburetter and Vacuum Fuel Supply. A CARBURRETTER which embodies many novel features and… | ||
| scan0029 | Cover page for a leaflet on the Ford Self-feeding CARBURVAC Carburetter. | ||
| View original record | Ford Self-feeding CARBURVAC Carburetter. | ||
| scan0030 | Summary of advantages for the CarburVac product, detailing consumption, features, and price. | ||
| View original record | ADVANTAGES IN BRIEF. Consumption. Tourers and Vans, 28 to 35 miles per gallon. Ton Fords, 19 to 25 miles per gallon. Self-feeding. From high or low tanks. Slow Running. Walking pace on top gear, 3½… | ||
| scan0031 | Letter to 'Carbur Vac' requesting clarification on carburetter adjustments for slow running. | ||
| View original record | X4566 Hs3/LG. 10th. Nov. 1922. "Carbur Vac", 28 Grange Rd., Willesden Green, N.W.10. Dear Sirs, We thank you for your letter of the 20th. ult. and also for the information contained therein. The point… | ||
| scan0032 | Letter from F. H. Arnott Ltd. regarding the adjustment of their self-feeding carburetter. | ||
| View original record | X4566 TELEPHONE : 447 WILLESDEN. CarburVac Ltd. OUR REF. YOUR REF. Self-feeding Carburetter MADE BY F. H. ARNOTT, LTD. MANUFACTURING ENGINEERS. GARAGE PROPRIETORS. Station : Willesden Green (Met.)… | ||
| scan0033 | Article describing the working principle, setting, and testing of the Carburvac, a new vacuum feed carburetter. | ||
| View original record | Reprinted from Motor Transport. October 3rd, 1921. A New Vacuum Feed Carburetter. Known as the Carburvac, this Instrument has the Useful Property of being able to Draw Petrol from a Tank some feet… | ||
| scan0034 | Internal memorandum discussing the unsuitability of the 'Maxima' carburetter for their cars. | ||
| View original record | X4566 Rg. from Hs. Hsl/LG12.12.22. "MAXIMA" CARBURETTER. With reference to the attached correspondence in regard to the above. From what we can see of the description of this carburetter it would not… | ||
| scan0035 | Letter of inquiry regarding the makers and literature for the Memi Carburetter. | ||
| View original record | V4566 Hs/Rml/LG. 2nd. Oct. 1924. L. A. W. Deane Esq., No. 99 (B) Squadron, R. A. F., Bircham Newton, Kings Lynn. Dear Sir, We are anxious to obtain particulars of the Memi Carburetter, and the address… | ||
| scan0036 | Letter from Süddeutsche Bremsen-Aktiengesellschaft regarding the 'Orkan' Carburetor and its different types. | ||
| View original record | SÜDDEUTSCHE BREMSEN-AKTIENGESELLSCHAFT MÜNCHEN 46, MOOSACHERSTRASSE 80 TELEGRAMME: "SÜDBREMSE" MÜNCHEN - CODES: A B C 5th EDITION; BENTLEY - FERNSPRECHER 33898, 33121 - BAHN-SENDUNGEN:… | ||
| scan0037 | Promotional letter from Süddeutsche Bremsen-A.G. about their 'Orkan' carburetor. | ||
| View original record | tries as well as in our own work have shown the "Orkan" car-buretor complying with the greatest pretensions and being able of competing at every moment with the usual first class products of rival… | ||
| scan0038 | Leaflet detailing the scheme of throttle working, fitting instructions, and adjustment for the Orkan Small-Car Carburetor Type 'K'. | ||
| View original record | Panel 1: ORKAN SCHEME OF THROTTLE WORKING fig. 2, fig. 3, fig. 4, fig. 5 In the position for running slowly (fig. 2) a quantity of supplementary air enters through the throttle openings opposite the… | ||
| scan0039 | Descriptive leaflet for the Orkan carburetor, detailing its principles, components, and mode of operation. | ||
| View original record | ORKAN PRINCIPLES The progressive development of automotive vehicles and their utilization for economical purposes had as consequence an increasing demand for small cars. In the course of this… | ||
| scan0040 | Brochure for the Orkan Type 'R' carburetor for motor-cycles, detailing its operation, fitting, and adjustment. | ||
| View original record | ORKAN SCHEME OF THROTTLE WORKING running light, 1/4, 1/2, full load fig. 1, fig. 2, fig. 3, fig. 4 When the motor is running, the fuel is raised by the depression above the upper end of the descent… | ||
| scan0041 | Leaflet describing the principles, construction, and operation of the 'Orkan' carburetor for motorcycles. | ||
| View original record | ORKAN PRINCIPLES When motor-cycling became popular the little air-cooled motor was employed in a large measure, and constructed in a special way, so that all accessories were to be adapted to the new… | ||
| scan0042 | Instruction leaflet for the 'Orkan' universal carburetor, type U, detailing its working, fitting, adjustment, and operation. | ||
| View original record | ORKAN SCHEME OF THROTTLE WORKING fig. 1, fig. 2, fig. 3, fig. 4 WORKING The fuel enters the nipple 24 through the supply tube, flows through hollow nipple-screw 23 and the calibrated hole, entering… | ||
| scan0043 | Brochure detailing the principles, description, and features of the 'Orkan' universal carburetor. | ||
| View original record | ORKAN PRINCIPLES The large circulation the automobile found in the last few years, the improvements in the construction of the employed internal combustion engines, and the necessity to use heavy fuel… | ||
| scan0044 | Blank questionnaire from Sueddeutsche Bremsen A.-G. for motor specifications related to an 'Orkan' carburettor. | ||
| View original record | Sueddeutsche Bremsen A.-G. München 46. Question Formulary for "Orkan" Carburettor. Trade Mark of the motor: Designation of type by producer: Number of Cylinders: Inside Diameter: Stroke: Carburettor… | ||
| scan0045 | Collection of customer testimonials for the 'Orkan' Carburetor. | ||
| View original record | What our customers tell about the " Orkan" Carburetor. .... " The carburetor you had sent to us is good and has fully satisfied our expectations, the obtained efficiency may be regarded excellent."… | ||
| scan0046 | Page of quotes regarding carburetor manufacturing, testing, and performance. | ||
| View original record | the little well built carburetor to be a good subject of manufactu- ring." ...." We have pleasure in informing you that the results of the tests made up to now have been absolutely satisfactory. The… | ||
| scan0047 | Letter to Sueddeutsche Bremsen A-G regarding their 'Orkan' Carburetter. | ||
| View original record | Hs/Rm6/LG. Expl: Dept: 7th. Mar. 1927. Messrs.Sueddeutsche Bremsen A-G., Muenchen-46, Germany. Dear Sirs, RE. 'Orkan' Carburetter. We thank you for your letter of the 4th. inst. together with… | ||
| scan0048 | New Stewart Warner carburettor and fuel system devices. | ||
| View original record | XL4566 cc - Mr. Nadin (Derby) Mr. Burton (West Wittering) Mr. Hives (Derby) OY12.R.7.5.28 July 5th, 1928. Mr. A. G. Elliott, Rolls Royce Ltd., West Wittering, Eng. Dear Mr. Elliott: RE CARBURETTER… | ||
| scan0049 | Concluding page of a letter regarding advertising matter and samples. | ||
| View original record | - 2 - Advertising matter and descriptive article attached. If you want us to get samples for you or try any of these things ourselves please let us know. Very truly yours, r/ [Watermark: COPY] | ||
| scan0050 | Letter confirming the rejection of Seignol's carburettor design due to insurmountable obstacles. | ||
| View original record | X4566 "Hs" Derby Sèvres Hk22/Dn/MH/30.IO.29 Re: Seignol. Carburettor: With reference to your Hs/Rm2/AD. I.IO.29, I note that owing to the unsurmountable obstacles found in the design of Seignol's… | ||
| scan0051 | Internal request to obtain particulars of a vertical carburetter for a 3.5-litre engine. | ||
| View original record | Roy. from Hs/Rm. x4566. Hs/Rm.3/ADL3.10.31. R. has asked us to obtain a carburetter known as the Claudel Atomizer manufactured by H. Boswell Reed, 80 Brompton Rd. S.W.3. Will you please obtain… | ||
| scan0052 | Cover letter forwarding information and a performance curve for a new Bleriot aircraft carburetter. | ||
| View original record | S/W To Hs/Lov. from F. Copy to Wor X4566 RECEIVED 1 JAN 1932 F4/JL.1.1.32. CARBURATEURS BLERIOT. -------------------- Please see the attached curve, which has been sent to us from Paris with a letter… | ||
| scan0053 | Performance graph showing power and consumption results for Professor Schimanek's new aviation carburetor. | ||
| View original record | RESULTATS OBTENUS AVEC LE NOUVEAU CARBURATEUR D'AVIATION DU PROFESSEUR SCHIMANEK. N.B. Ce carburateur est anti-retour flamme. La correction altimétrique est aussi simple qu'immédiate. Le départ à… | ||
| scan0054 | Reporting a hesitation issue, possibly due to carburation, on car 22-EX after 'luffing up'. | ||
| View original record | WYMN Hs. from Mx. Mx15/T12.1.34. While trying 22-EX for the shock absorber yesterday, I found it rather poor for hesitation after "luffing up". During a run of about 20 miles I should think this… | ||
| scan0055 | Carburetter hesitation issue after 'luffing up' which has since been resolved. | ||
| View original record | X4566 Hs. From Hs/Whym. Hs/Whym.1/MA.15.1.34. The attached memo Mx.15/T.12.1.34., I quite agree with Mx. that the carburetter was inclined to "HESITATION" after "luffing up". This was due to the fact… | ||
| scan0056 | Offer to test a patented carburetter from a Mr. Jas. Marchbank. | ||
| View original record | To Wor. from Sg. re Patented Carburetter. No.18801/34. Sg8/E18.7.34 I enclose copy of letter received from a Mr.Jas. Marchbank, which is self-explanatory. As he has patented the carburetter, it is… | ||
| scan0057 | Copy of a letter from an inventor, Mr. J. Marchbank, promoting his patented carburetter. | ||
| View original record | Copy of letter from Mr. J. Marchbank. 159, Leith Street, Edinburgh. July 16th, 1934. To M/Director, Rolls-Royce Ltd., London. Patented Carburetter No. 18801/34. Dear Sir, I take this liberty of… | ||
| scan0058 | Patented carburetter and related correspondence with Mr. J. Marchbank. | ||
| View original record | LOV 845-66, See me HS Hs. from Wor. Wor2/R.19.7.34. Re: Patented Carburetter - No.18801/34. As arranged, please see copy of letter from Mr. J. Marchbank, together with original memo - Sg8/E18.7.34.… | ||
| scan0059 | Letter responding to an offer to loan a patented carburetter for testing purposes. | ||
| View original record | 84566. Hs/Lov.6/MA. 21st July, 1934. J.Marchbank, Esq., 159, Leith Street, Edinburgh. Dear Sir, Re.Patented Carburetter No.18801/34. We thank you for your letter of the 16th instant and your offer to… | ||
| scan0060 | Follow-up request for information regarding a patented carburetter. | ||
| View original record | LOV 84566, Hs. from Wor. Wor5/R.30.7.34. Re: Patented Carburetter, No.18801/34. Further to Wor2/R.19.7.34., can you now let us have some information on this matter that we may pass same on to Sg.?… | ||
| scan0061 | Following up on a request for particulars of a patented carburetter. | ||
| View original record | 64566 To Wor. From Hs/Lov. Hs/Lov.5/MJ.31.7.34. Re. Patented Carburetter No.18801/34. Wor.5/R.30.7.34. We wrote to Mr. Marchbank re. the above, asking for particulars of his carburetter but up to the… | ||
| scan0062 | Requesting an update on a patented carburetter, referencing previous correspondence. | ||
| View original record | LOV ✓ r+v-66. Hs/Lov. from Wor. Wor12/R.27.8.34. Re: Patented Carburetter No.18801/34. Hs/Lov.5/MJ.31.7.34. Since this matter was first raised by Sg., are you now in a position to let us know anything… | ||
| scan0063 | Assuming the matter regarding Patented Carburetter No.18801/34 is dropped due to a lack of communication. | ||
| View original record | 845-66. To Wor. From Hs/Lov. Hs/Lov.2/MJ.30.8.34. Re. Patented Carburetter No.18801/34. Replying to your memo ref: Wor.12/R.27.8.34 on the above carburetter. Since our first letter asking for further… | ||
| scan0064 | Query requesting a report on the patented carburetter No.18801/34. | ||
| View original record | LOV r4 576b. Hs/Lov. from Wor. Wor5/R.6.11.34. Re: Patented Carburetter No.18801/34. Hs/Lov.2/MJ.30.8.34. Is there anything further to report yet, please ? Wor. | ||
| scan0065 | Patented carburetter No. 18801/34. | ||
| View original record | 84566. To Wor. From Hs/Lov. Hs/Lov.12/MJ.7.11.34. Re. Patented Carburetter No.18801/34. In reply to your Wor.5/R.6.11.34 we have not heard anything further about the above carburetters. We have… | ||
| scan0066 | Request for particulars on downdraught carburetters from R.A.G., Zenith, Amal and Solex. | ||
| View original record | x4566 To Roy: Hs/Smth.1/KW.11.1.35. Will you please ask the R.A.G., Zenith, Amal and Solex Carburetter Companies for particulars (size etc.) of their downdraught carburetters. Hs/Smth. | ||
| scan0067 | Investigation into an 8-cylinder Buick carburetter and the ordering of a Marvel carburetter from America. | ||
| View original record | To E. from Hs/Rm. c. to Wor. c. to By. +37 14566 Hs/Rm.4/KW.15.1.35. 8-Cylinder Buick - Carburetter. We have been investigating the carburetter on the Buick. This is interesting to us because we know… | ||
| scan0068 | Technical review of the carburetter performance on an 8-Cylinder Buick. | ||
| View original record | To E. From Hs/Bwdl. c. to Wor. c. to By. Hs/Bwdl.5/KW.15.1.35. 8-Cylinder Buick. The general performance of the carburetter on this car is good, noticeably in the ability to get away when cold. It is… | ||
| scan0069 | Description of the carburetter's internal mechanism and fuel mixture control at various throttle settings. | ||
| View original record | -2- After correcting the slow running setting, the mixture appeared weak at part throttle openings and possibly this is one of the difficulties that is mentioned by General Motors. Balance between the… | ||
| scan0070 | Description of a carburetter's slow running arrangement and its disadvantages. | ||
| View original record | -3- Hs/Swdl.5/KW.15.1.35. The slow running arrangement has fixed jets and air bleeds feeding into two holes in each throttle bore, one on the suction side and the other on the atmospheric side of the… | ||
| scan0071 | Letter from a law firm asking to verify a man and his carburetter using a provided reference number. | ||
| View original record | Messrs Rolls-Royce, Motor Engineers, DERBY. 84566. DT. HAMILTON KINNEAR & BEATSON, W.S. INCORPORATING CARMICHAEL & MILLER, W.S. J. BALFOUR-KINNEAR, W.S. S. PURVIS-RUSSELL-BALFOUR-KINNEAR, W.S. W.W.… | ||
| scan0072 | Letter to G.P.R. Balfour-Kinnear regarding correspondence with a Mr. Marchbank. | ||
| View original record | Expl. Dept. Hs.3/MJ. 25th. February, 1935. G.P.R.Balfour-Kinnear, Esq., 35, Queen Street, Edinburgh.2. Dear Sir, Replying to your letter of the 11th.inst. We attach herewith copy of a letter we… | ||
| scan0073 | Requesting help to identify a Bentley owner for whom carburetter measurements were being taken by R.A.G. Ltd. | ||
| View original record | S/W H4/MD13.3.35. Copies to:- Inspecting Engineers. Re: R.A.G. Ltd., Carburetter Makers. Will you kindly note that we are anxious to trace the owner of a Bentley car who apparently arranged for a… | ||
| scan0074 | Visit from R.A.G. Ltd about their carburetters. | ||
| View original record | W/S - H. X4566 Hs/Smth.9/KW.18.3.35. R.A.G. Carburetters. Re H4/MD.13.3.35. A representative of R.A.G. Ltd. visited us a week or two ago to show us one of their latest carburetters. He was keen on… | ||
| scan0075 | Issues with automatic carburettors and suggestions for improving their design for easier fault diagnosis. | ||
| View original record | To Sg. and Wor. from E. c. Hs. By. Cx. re Automatic Carburetters. With reference to the question of automatic carburetters which was discussed at the meeting held in Derby on the 16th, the American… | ||
| scan0076 | Inquiring about starting troubles, comparing the ease of starting American cars like Packard without warming up, in relation to automatic carburettors. | ||
| View original record | X1036 To Hs. from Sg. re Automatic Carburetters. Sg10/E1.5.35 Copy to Wor.E.BY.CX. Referring to E.3/HP.25.4.35 I should be glad if you would let me know what sort of troubles have been experienced as… | ||
| scan0077 | Letter to A. Blundell Esq. inquiring about a patented Air Silencer and Cleaner for a Stromberg carburetter. | ||
| View original record | X1036 Exptl. Dept. Hs/Rm.4/KW. 28th June, 1935. A. Blundell Esq., "Burgos" Walsgrave Road, COVENTRY. Dear Sir, Mr. Fisher tells us you have patented an Air Silencer and Cleaner which gives good… | ||
| scan0078 | Letter from A. Blundell requesting engine specifications in order to supply a sample air silencer. | ||
| View original record | "Burgos", 361, Walsgrave Road, COVENTRY. July 2nd. 1935. Our Ref. AB/DT. Your Ref. Hs/Rm.4/KW. Messrs. Rolls-Royce Limited, Experimental Department, DERBY. Dear Sirs, FOR THE ATTENTION OF MR.… | ||
| scan0079 | Letter from the Experimental Department responding to queries about engine specifications and intake noise. | ||
| View original record | X1036 Exptl. Dept. Hs/Rm.21/KW. 5th July, 1935. A. Blundell, Esq., "Burgos" 361, Walsgrave Road, Coventry. Dear Sir, Thank you for your letter of July 2nd. Replying to your queries :- (1) The engine… | ||
| scan0080 | Letter from A. Blundell confirming an air silencer is being made and will be dispatched. | ||
| View original record | X1036 Rm 361, Walsgrave Road, COVENTRY. July 10th. 1935. Rolls-Royce Ltd., Experimental Department. Dear Sirs, I am in receipt of your letter from Mr. W. A. Robotham, for which I thank you. A suitable… | ||
| scan0081 | Letter from Speedwell Gear Case Co. Ltd. regarding a sample Blundell Air Silencer sent for testing. | ||
| View original record | H. Wayman Have passed air silencer to Garage Rm X1036 TELEPHONE COVENTRY 4280 TELEGRAMS SPEEDWELL, COVENTRY Speedwell TRADE MARK Speedwell Gear Case Co. Ltd. BIRMINGHAM and COVENTRY HAC/GR REGISTERED… | ||
| scan0082 | Letter from Speedwell Gear Case Co. regarding samples of a Blundell Air Silencer and a new one for a Double '6' Engine. | ||
| View original record | TELEPHONE COVENTRY 4280 TELEGRAMS SPEEDWELL, COVENTRY Speedwell Gear Case Co. Ltd. HAC/GR BIRMINGHAM and COVENTRY REGISTERED OFFICE AND WORKS 276 BROAD STREET, BIRMINGHAM, 1 TELEPHONE: MIDLAND 3786-7… | ||
| scan0083 | Letter to Mr. B.S. Winter of Humber Ltd. confirming a meeting arrangement. | ||
| View original record | X1036 Exptl. Dept. Hs/Rm.5/KW. 7th February, 1936. B.S. Winter, Esq., Messrs. Humber Ltd., COVENTRY. Dear Mr. Winter, Thanks for your letter of March 6th. I shall be very pleased to meet the gentleman… | ||
| scan0084 | Letter to W.E. Rootes proposing a meeting to discuss shared problems with downdraught carburetters. | ||
| View original record | X1036 Exptl. Dept. Hs/Rm.21/KW. 25th February, 1936. W.E. Rootes, Esq., Messrs. Rootes Ltd., Devonshire House, Piccadilly, LONDON, W.1. Dear Rootes, I was wondering whether you would mind my going… | ||
| scan0085 | Letter from R.C. Rootes to W.A. Robotham acknowledging correspondence and arranging a meeting in Coventry about carburettors. | ||
| View original record | TELEPHONE: GROSVENOR 3401 (10 LINES). TELEGRAMS: ROOTESMOTI, PICCY, LONDON. CABLES: ROOTESMOTI, LONDON. DEVONSHIRE HOUSE, PICCADILLY, LONDON, W.1. 27th February, 1936. RCR/JP. W.A. Robotham, Esq.,… | ||
| scan0086 | Letter to R.C. Rootes regarding a factory visit. | ||
| View original record | X1036 Exptl. Dept. Hs/Rm.6/KW. 28th February, 1936. R.C. Rootes, Esq., Devonshire House, Piccadilly, LONDON, W.1. Dear Rootes, Many thanks for your letter of the 27th. I am looking forward to visiting… | ||
| scan0087 | Letter from Humber Ltd. to W.A. Robotham discussing potential collaboration on carburation and a new motor-driven hydraulic pump. | ||
| View original record | TELEPHONE 5041 COVENTRY. TELEGRAMS: HUMBER, COVENTRY. HUMBER LTD. COVENTRY. 28th February, 1936. W.A.Robotham Esq., Messrs.Rolls-Royce Ltd., Experimental Department, D E R B Y. Dear Mr.Robotham, In… | ||
| scan0088 | Letter to B.S. Winter of Messrs. Humber Ltd. arranging a meeting in Coventry to discuss carburettors. | ||
| View original record | X1036 Exptl. Dept. Hs/Em.20/KW. 5th March, 1936. B.S. Winter, Esq., Messrs. Humber Ltd., COVENTRY. Dear Mr. Winter, Many thanks for your letter of the 28th ult. I could come over to Coventry on… | ||
| scan0089 | Letter from Humber Ltd. arranging a lunch meeting with Mr. Rowbotham. | ||
| View original record | TELEPHONE 5041 COVENTRY. TELEGRAMS: HUMBER.COVENTRY. HUMBER LTD. COVENTRY. 6th March, 1936. W.A.Rowbotham Esq., Messrs.Rolls-Royce Ltd., Derby. Dear Mr.Rowbotham, Replying to your letter of the 5th… | ||
| scan0090 | Letter to G. McClure of The Riley Motor Co. Ltd. confirming a meeting at the Riley Works. | ||
| View original record | x 1036 Exptl. Dept. Hs/Rm.6/KW. 10th March, 1936. G. McClure Esq., The Riley Motor Co. Ltd., COVENTRY. Dear Mr. McClure, Confirming our telephone conversation of to-day, I hope to be at the Riley… | ||
| scan0091 | Letter to B.S. Winter of Humber Ltd., thanking him for a pleasant day spent together. | ||
| View original record | X1036 Exptl. Dept. Hs/Rm.15/KW. 12th March, 1936. B.S. Winter, Esq., Messrs. Humber Ltd., COVENTRY. Dear Mr. Winter, Allow me to thank you for the very pleasant day I spent with you. I am looking… | ||
| scan0092 | Letter to R.C. Rootes following a visit to the Humber Factory and inviting him to Derby. | ||
| View original record | X1036 Exptl. Dept. Hs/Rm.14/KW. 12th March, 1936. R.C. Rootes, Esq., Messrs. Rootes Ltd., Devonshire House, Piccadilly, LONDON, W.1. Dear Rootes, I very much enjoyed my day spent at the Humber… | ||
| scan0093 | Letter to Amal Ltd. requesting a loan of six motorcycle carburetters for an experiment. | ||
| View original record | Expt 1371 X1036 Amal Carb. Exptl. Dept. Hs/Std.12./KW. 13th March, 1936. Messrs. Amal Ltd., Perry Bar, Birmingham. For the attention of Mr. Soresby. Dear Sirs, Referring to our telephone conversation… | ||
| scan0094 | Return of loaned Amal T.T. type Carburetters to Rudge-Whitworth Ltd. | ||
| View original record | To D/BP. c. to G/Mt. x1036 Hs/Std.8/KW.16.3.36. 5. We are to-day sending into the stores, Amal T.T. type Carburetters, which were loaned to us by Messrs. Rudge-Whitworth Ltd., Coventry. Will you… | ||
| scan0095 | Letter to Messrs. Rudge-Whitworth Ltd. returning five loaned Amal Carburetters that were not large enough for their engine. | ||
| View original record | X1036 Exptl. Dept. Hs/Std.7/KW. 17th March, 1936. Messrs. Rudge-Whitworth Ltd., COVENTRY. For the attention of Mr. G.L. Hack. Dear Sirs, We are to-day despatching to you the five Amal Carburetters… | ||
| scan0096 | Letter from carburetter manufacturer AMAL Ltd. regarding the supply of TT35 type carburetters. | ||
| View original record | X 1036 ON AIR MINISTRY LIST OF APPROVED FIRMS. STEADMAN AMAL LTD. Carburetter Manufacturers and General Engineers. HOLFORD WORKS, PERRY BARR, BIRMINGHAM 20, ENGLAND. SOCIETY OF MOTOR MANUFACTURERS &… | ||
| scan0097 | Letter from Amal Limited regarding the dispatch of six carburettors, one of which is faulty due to a crack. | ||
| View original record | Copy TWC/IS. 19th March, 1936. Messrs. Rolls Royce Ltd., DERBY. Dear Sirs, FOR THE ATTENTION OF MR. C.S. STEADMAN. We are despatching to-night six Carburetters as per our telephone conversation and… | ||
| scan0098 | Letter from carburetter manufacturer AMAL LTD. regarding a replacement part for a faulty carburetter body. | ||
| View original record | ON AIR MINISTRY LIST OF APPROVED FIRMS. AMAL LTD. Carburetter Manufacturers and General Engineers. HOLFORD WORKS, PERRY BARR, BIRMINGHAM 20, ENGLAND. Telegrams: 'AMALCARB, 'PHONE.' Telephone:… | ||
| scan0099 | Letter to Amal Ltd. concerning a lost letter and damaged carburetter parts received. | ||
| View original record | X1086 Exptl. Dept. HS/Std.10/JH. 28th March, 1936. Messrs. Amal Ltd., Holford Works, Perry Bar, Birmingham 20. For the attention of Mr.N.O.Soresby Dear Sirs, In reply to your letter of the 27th… | ||
| scan0100 | Letter from AMAL Ltd. clarifying that a complimentary sample push-pull control is unrelated to carburettors. | ||
| View original record | ON AIR MINISTRY LIST OF APPROVED FIRMS. X1036 AMAL LTD. Carburetter Manufacturers and General Engineers. HOLFORD WORKS, PERRY BARR, BIRMINGHAM 20, ENGLAND. Telegrams: "AMALCARB, 'PHONE." Telephone:… | ||
| scan0101 | Letter from Gladwell & Kell Ltd. introducing their new G.U.C. updraught carburettor. | ||
| View original record | GLADWELL & KELL (1932) LTD. AMPTON STREET WORKS · GRAY'S INN ROAD · LONDON · W·C·1 TELEPHONE - TERMINUS 4461 (3 LINES) TELEGRAMS - CUBCARSERV, KINCROSS, LONDON CUSTOMERS CARS ARE STORED, AND DRIVEN BY… | ||
| scan0102 | Letter to Gladwell & Kell Ltd. declining to test their Gladwell Updraught Carburetter. | ||
| View original record | X1036 Exptl. Dept. Hs/Rm.1/KW. 17th April, 1936. Messrs. Gladwell & Kell (1932) Ltd., Ampton Street Works, Gray's Inn Rd., LONDON, W.C.1. Dear Sirs, We thank you for your letter of the 14th inst. with… | ||
| scan0103 | The front cover of a promotional brochure for a patented product called 'CUC'. | ||
| View original record | The CUC (PATENT) GLADWELL & KELL (1932) LTD. AMPTON STREET WORKS. GRAY'S INN ROAD. LONDON W.C.1. | ||
| scan0104 | Promotional leaflet for the GUC (Patent) Gladwell Updraught Carburettor, featuring a cross-sectional diagram and photograph. | ||
| View original record | Section through carburettor showing petrol passage ways and main jet on the left, balancing jet on the right and slow running jet in the centre. The GUC (PATENT) GLADWELL UPDRAUGHT CARBURETTOR THE G.… | ||
| scan0105 | Promotional and descriptive leaflet for the G.U.C. (Gladwell Patent) Updraught Carburettor, including user testimonials and diagrams. | ||
| View original record | THE G. U. C. (Gladwell Patent) Updraught Carburettor GETS FAR NEARER TO THE MAXIMUM POSSIBLE EFFICIENCY IN POWER AND FUEL CONSUMPTION THAN ANY PETROL CARBURETTOR HITHERTO MARKETED. IT does this… | ||
| scan0106 | Detailed explanation of the function and benefits of the G. U. C. Patent Sprayer Nozzle in a carburettor. | ||
| View original record | 6 is unconditionally guaranteed to function perfectly and outlive several cars. THE SPRAYER NOZZLE (Fig. 2 “E”) In order to produce a perfect combustion mixture, the petrol must be broken up into the… | ||
| scan0107 | The features and benefits of the G. U. C. automatic infinitely variable choke carburettor. | ||
| View original record | 8 ring is too weak and the centre too rich, the result being uneven and incomplete combustion resulting in engine vibration and petrol waste. Scientific research on carburation has been steadily… | ||
| scan0108 | The features and performance benefits of the G.U.C. carburettor. | ||
| View original record | 4 WHY THE G. U. C. CAN GUARANTEE SUCH EXCEPTIONAL RESULTS When reading the following description open out the large sectioned drawing on back page, when text and drawing can be followed with ease.… | ||
| scan0109 | Informational leaflet for the G.U.C. part, detailing prices, guarantees, and a thirty-day trial offer. | ||
| View original record | 10 PRICES Size. Approx. £ s. d. 26 Up to 12 H.P. .. .. 6 10 0 30 12 to 20 H.P. .. .. 8 0 0 36 20 to 30 H.P. .. .. 10 0 0 42 30 H.P. and over .. 12 0 0 THIRTY DAYS TRIAL TO PROVE IT FOR YOURSELF. An… | ||
| scan0110 | Requesting an official order for Amal carburettors to be retained for experimental purposes. | ||
| View original record | x1036 To Roy. c. to G/Cam. Hs/Swdl.9/JH.25.4.36. In reference to the memo. G/Cam/CA.14/WP.25.4.36 we wish to retain the Amal carburetters for experimental purposes. Will you therefore issue an… | ||
| scan0111 | Letter to Messrs. Amal Ltd. inquiring about the availability of a flame trap. | ||
| View original record | x 1036 Exptl. Dept. Hs/Ed.20/KW. 23rd June, 1936. Messrs. Amal Ltd., Hadford Works, Perry Barr, Birmingham 20. Dear Sirs, We should be glad to know whether you could supply us with a flame trap 1 1/2"… | ||
| scan0112 | Internal request to place an official order for 'BLUNDELL' exhaust silencer tubing for experimental tests. | ||
| View original record | X1036 To Roy. Hs/Wym.4/KW.24.6.36. Will you please pass an official order to the Speedwell Gear Case Co. Ltd., Little Park Street, Coventry, for - A quantity of "BLUNDELL" Exhaust Silencer Tubing.… | ||
| scan0113 | Letter from AMAL Ltd. regarding the supply of a Flame Trap with associated blueprints and specifications. | ||
| View original record | ON AIR MINISTRY LIST OF APPROVED FIRMS. AMAL LTD. Carburetter Manufacturers and General Engineers. HOLFORD WORKS, PERRY BARR, BIRMINGHAM 20, ENGLAND. Telegrams: "AMALCARB, 'PHONE.'" Telephone:… | ||
| scan0114 | Delivery note from The Speedwell Gear Case Co. Ltd. for perforated tubes and metallic elements. | ||
| View original record | Phone : COVENTRY 4280. Grams : "SPEEDWELL, COVENTRY. Delivery Note Order Messrs Rolls Royce Ltd. From THE SPEEDWELL GEAR CASE CO. Ltd, SPEEDWELL WORKS, LITTLE PARK STREET, COVENTRY. CS 5653 June 27th… | ||
| scan0115 | Letter to Amal Ltd. cancelling a previous letter and order for a flame trap. | ||
| View original record | X1036 Exptl. Dept. Hs/Ed.4/KW. 4th July, 1936. Messrs. Amal Ltd., Holford Works, Perry Barr, Birmingham 20. Dear Sirs, Many thanks for your letter of the 25th ult., which has only just come to hand.… | ||
| scan0116 | Letter from Amal Ltd. confirming the cancellation of an enquiry for a Flame Trap. | ||
| View original record | ON AIR MINISTRY LIST OF APPROVED FIRMS. X1036 AMAL LTD. Carburetter Manufacturers and General Engineers. HOLFORD WORKS, PERRY BARR, BIRMINGHAM 20, ENGLAND. Telegrams: "AMALCARB, 'PHONE." Telephone:… | ||
| scan0117 | Letter discussing a draft report on modifications, a car test with faults, and another motor failure. | ||
| View original record | To RM Cricklewood Nov 10th 36 I am enclosing draft report on the position of modifications. Will you please have the necessary copies typed and sent out. I have been at Kingsbury all day on Gratzer… | ||
| scan0118 | Letter from Delco-Remy & Hyatt Ltd. discussing a vehicle demonstration, an intake manifold issue, and the forwarding of A.C. sparking plugs. | ||
| View original record | 1036. DELCO·REMY & HYATT LTD. Head Office & Works Telegrams: DELRENHYAT, SOWEST, LONDON. 111, GROSVENOR ROAD, LONDON. S.W.1. Telephones: VICTORIA 6242 (7 LINES) [Stamp: THE SOCIETY OF MOTOR… | ||
| scan0119 | Letter from AMAL Ltd. regarding the dispatch of six Carburetters, one of which has a crack. | ||
| View original record | ON AIR MINISTRY LIST OF APPROVED FIRMS. 1036. Files AMAL LTD. HOLFORD WORKS, PERRY BARR, BIRMINGHAM 20, ENGLAND. Carburetter Manufacturers and General Engineers. Telegrams: "AMALCARB, 'PHONE."… | ||
| scan0120 | Cost file detailing the prices of various carburettors for different car models. | ||
| View original record | 1036 also 1260 COST FILE. Rm/Swdl.8/JH.4.1.38. CARBURETTOR COSTS. Phantom III. (1) Original price of Phantom III twin Stromberg. £15.5.0. (2) 1937 price. ............................... £10.5.0.… | ||
| scan0121 | Authorising the fitting of altered idling speed and tilted carburetter modifications to four Phantom Trials cars. | ||
| View original record | 1036 ? Rm/FD. from Rm. Rm4/R.18.1.38. Altered Idling Speed and Tilted Carburetter. Sales have agreed that these alterations can be fitted to the 4 Phantom Trials cars at present being run by the… | ||
| scan0122 | Letter from Zenith Carburetter Co. Ltd regarding the dispatch of idle jets and providing supplier information for a blowing plant and flow meters. | ||
| View original record | The ZENITH CARBURETTER CO. LTD CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY TELEGRAMS: ZENICARBUR, PHONE, LONDON. CODE A B C 5TH EDITION ALSO AT LYONS, PARIS, DETROIT, TURIN,… | ||
| scan0123 | Page 2 of a letter from Zenith Carburetter Co. regarding information on the blowing of carburetters. | ||
| View original record | THE ZENITH CARBURETTER CO. Limited. Sheet No...... 2.. Messrs. Rolls-Royce Ltd. 5/4/38 properly. As indicated by the writer yesterday, we shall be pleased at any time to place the whole of the… | ||
| scan0124 | Letter to Zenith Carburettor Co. Ltd. requesting detailed drawings of their blowing plant. | ||
| View original record | 1038 Rm/GR.7/JH. 11th April, 1938. The Zenith Carburettor Co.Ltd., Honeypot Lane, Stanmore, MIDDLESEX. For the attention of A.E. Palmer Esq. Your ref. AEP/KD. Dear Sirs, We thank you for your letter… | ||
| scan0125 | Letter to Vauxhall Motors requesting assistance with the design of a flow rig for carburettors. | ||
| View original record | 1097.P 1033 Rm/TAC.14/JH. 3rd. May. 1938. Vauxhall Motors Ltd., Luton, BEDS. For the attention of Mr. Alex. Taub. Dear Sirs, Following a visit to your Works at the beginning of last month, we wrote to… | ||
| scan0126 | Follow-up letter to Zenith Carburettor Co. Ltd. requesting assistance with designing a flow rig for carburettors. | ||
| View original record | 1033 Rm/TAS.12/JH. 3rd. May, 1938. The Zenith Carburettor Co.Ltd., Honeypot Lane, Stanmore, MIDDLESEX. For the attention of Mr. A.E. Palmer. Your ref. AEP/KD. Dear Sirs, Following a visit to your… | ||
| scan0127 | Letter from Zenith Carburetter Co. regarding a flow rig for testing carburetters, enclosing relevant drawings. | ||
| View original record | The ZENITH CARBURETTER·CO·LTD HONEYPOT LANE, STANMORE, MIDDLESEX ADJOINING QUEENSBURY UNDERGROUND STATION CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY. TELEGRAMS: ZENICARBUR… | ||
| scan0128 | Letter from The Zenith Carburetter Co. regarding a carburettor test setup using an orifice box and associated drawings. | ||
| View original record | THE ZENITH CARBURETTER CO. Limited. Sheet No. 2........ Messrs. Rolls-Royce Ltd. 6/5/38 All connections made to the table are airtight. Details of the connection for manometer for air supply to the… | ||
| scan0129 | Covering letter from Zenith Carburetter Co. confirming that supplementary information is being prepared. | ||
| View original record | THE ZENITH CARBURETTER CO. Limited. Sheet No...........3.A. Messrs. Rolls-Royce Ltd. 6/5/38 We intend to supplement the information now given to you, by a little more which is in the course of… | ||
| scan0130 | Letter of thanks to Zenith Carburettor Co. Ltd. for information and drawings of a flow rig for testing carburettors. | ||
| View original record | ALL COMMUNICATIONS SHOULD BE ADDRESSED TO THE COMPANY & NOT TO INDIVIDUALS. 1083 EXPERIMENTAL DEPT. Rm/TAS.16/JH. 9th May, 1938. The Zenith Carburettor Co.Ltd., Honeypot Lane, Stanmore, MIDDLESEX. For… | ||
| scan0131 | Inquiry to Messrs. Trost Bros. Ltd. about the general construction, cost, and manufacturing time for a 'Rotameter' flowmeter. | ||
| View original record | 1036. EXPERIMENTAL DEPT. Rm/TAS.3/JH. 12th May, 1938. Messrs. Trost Bros. Ltd., 110, Victoria Street, LONDON.S.W.1. Dear Sirs, We are led to understand that you manufacture a direct reading flowmeter… | ||
| scan0132 | Quotation from Trost Brothers Ltd. for two Rotameters for the Experimental Department. | ||
| View original record | SWINDEN TROST BROTHERS LTD. DIRECTORS: A. H. TROST, H. R. TROST, B.SC. TELEGRAMS: TROSTONA SOWEST, LONDON. CABLES: TROSTONA, LONDON. TELEPHONE: VICTORIA 4857. 110 VICTORIA STREET. LONDON, S.W.1.… | ||
| scan0133 | The second and concluding page of a letter from Trost Brothers, Ltd. | ||
| View original record | - 2 - We await the favour of your news in this matter, and remain, Yours faithfully, Trost Brothers, Ltd. | ||
| scan0134 | Brochure for Rota-Throttle-Meters and Rotameters for measuring the flow of gases and liquids. | ||
| View original record | Rota-Throttle-Meters for all gases and liquids and pressures up to 200 atms. Special types for liquified gases NH₃, SO₂, CH₃Cl, CO₂, Freon. Mode of operation: A throttle adjustable by a hand lever to… | ||
| scan0135 | Catalogue page detailing various models of Main flow and Orifice-Rotameters with their specifications. | ||
| View original record | Main flow Rotameters The rotation of the freely suspended float is reliable evidence of perfect frictionless metering. The materials of manufacture for the floats and fittings are selected for… | ||
| scan0136 | Catalogue page illustrating various special types of Rotameters and models with magnetic indication and recording. | ||
| View original record | Special Types of Rotameter In all cases where standard Rotameters cannot be used or are not entirely suitable, special types can be supplied, made to suit each particular purpose. The illustrations… | ||
| scan0137 | Catalogue page detailing different models of all-glass and point-guided float Rotameters for laboratory and industrial use. | ||
| View original record | All-Glass Rotameters for the Laboratory and Works Rotameters with point guided float and tubular frame The hollow float, guided only at its lowest point by an axial wire, is free to swing about this… | ||
| scan0138 | Letter from the Experimental Department inquiring about the details and cost of a blower for a carburettor. | ||
| View original record | 1036 EXPERIMENTAL DEPT. Rm/TAS.6/JH. 12th May, 1938. The Norman Engineering Co., Hytor Works, Commerce Way, Waddon, SURREY. Dear Sirs, We would be greatly obliged if you would supply us with any… | ||
| scan0139 | Letter from Norman Engineering Company regarding a quote for a 'Nash Hytor' Compressor for a carburettor blower application. | ||
| View original record | SWINDON Norman Engineering Company EDWARD J. H. NORMAN. TELEGRAMS: NASHNORMA, CROYDON TELEPHONE: CROYDON {2278 | 2279} CODES: A.B.C. 5TH EDITION SOLE AGENTS, GREAT BRITAIN: NASH ENGINEERING COMPANY.… | ||
| scan0140 | Bulletin No. 270 detailing dimensions and specifications for the Nash Hytor Vacuum Pump and Compressor, Conical Type L. | ||
| View original record | NASH ENGINEERING CO., (Great Britain) Ltd. COMMERCE WAY, PURLEY WAY, CROYDON, ENGLAND TELEPHONE: CROYDON {2278 | 2279} TELEGRAMS: HYTOR, CROYDON DIAGRAM LABELS: Y - MIN. DISTANCE TO REMOVE HEAD & CONE… | ||
| scan0141 | Brochure from Nash Engineering Co. detailing the simplicity and performance of Nash Hytor pumps and compressors. | ||
| View original record | NASH ENGINEERING CO., (Great Britain) Ltd. NASH PUMPS ARE SIM [Left Page Content] SIMPLICITY Here are shown all the essential parts of the Cone Hytor. Such simplicity indicates a product which has… | ||
| scan0142 | The features and principle of operation for Cone Type Hytor vacuum pumps and compressors. | ||
| View original record | NASH ENGINEERING CO., (Great Britain) Ltd. In the Cone Type Hytor new standards for efficiency and range in a rotary vacuum pump or compressor have been established. These pumps reliably maintain… | ||
| scan0143 | Descriptive leaflet for the Nash Engineering Co. 'Hytor' pump, detailing its construction and advantages. | ||
| View original record | NASH ENGINEERING CO., (Great Britain) Ltd. STEADY SUCTION As a result of the multi-blade rotor construction, the Hytor produces a vacuum or pressure entirely free from pulsation. CLEAN AIR Of… | ||
| scan0144 | Letter from Norman Engineering Company regarding an inquiry for a blower. | ||
| View original record | Norman Engineering Company EDWARD J. H. NORMAN. TELEGRAMS: NASHNORMA, CROYDON. TELEPHONE: CROYDON {2278. / 2279. CODES: A.B.C. 5TH EDITION Hytor Works, Commerce Way, Purley Way. Croydon. Your Ref.… | ||
| scan0145 | Inquiry to Ferodo Ltd. about supplying a heat and petrol resistant insulating taper packing for a carburettor. | ||
| View original record | 1036 EXPERIMENTAL DEPT. Rm/FD.10/JH. 20th May, 1938. Messrs. Ferodo Ltd., Chapel-en-le-Frith. For the attention of J.N. Longley Esq. Dear Sir, We are trying to find a taper packing made in insulating… | ||
| scan0146 | Letter from Vauxhall Motors Ltd. regarding a mishap with letters about a 'flow-box' and offering to share drawings and data. | ||
| View original record | Vauxhall Motors Ltd CONTRACTORS TO THE ADMIRALTY, WAR OFFICE & AIR MINISTRY. LUTON. BEDS. TELEPHONE NUMBER 2600 LUTON. TELEGRAMS CARVAUX, TELEX, LUTON WHEN REPLYING PLEASE QUOTE OUR REF: AT/SRE YOUR… | ||
| scan0147 | Complaint regarding sticking chokes on 30 HP D.C.42 carburetters and details of the required modifications. | ||
| View original record | To Hd. from Rm/GR. For Depot Sheet. Rm/GRA1/WH.26.5.38. 30 H.P. D.C.42 CARBURETTERS. COMPLAINT OF STICKING CHOKES. The following details have been carried out on several EXP. cars as a cure for the… | ||
| scan0148 | Letter to The Normal Engineering Company detailing the requirements for a vacuum pump for a carburetter rig. | ||
| View original record | EXPERIMENTAL DEPARTMENT. Rm/TAS.15/JH. 8th June, 1938. The Normal Engineering Company, Hytor Works, Commerce Way, Purley Way, CROYDON. For the attention of L.F. Padgham Esq.. Dear Sirs, 1036 Further… | ||
| scan0149 | Proposal from Norman Engineering Company for a 'Nash Hytor' vacuum pump for a carburettor testing plant. | ||
| View original record | TELEPHONE CROYDON { 2278 2279 } Norman Engineering Company Hytor Works, Commerce Way, Purley Way, Croydon TELEGRAMS NASHNORMA CROYDON PROPOSAL Your Ref. EXPERIMENTAL DEPT RM/TAS.15/J.H Number… | ||
| scan0150 | Cover letter from Norman Engineering Company enclosing data for 'Nash Hytor' Conical Vacuum Pumps. | ||
| View original record | Messrs. Rolls-Royce Ltd. -2- 9th June, 1938 We have pleasure to attach herewith data performance sheet of the complete range of L Type "Nash Hytor" Conical Vacuum Pumps operating at varying speeds. We… | ||
| scan0151 | Performance data for Nash Hytor Conical Type Lowvac vacuum pumps. | ||
| View original record | NASH ENGINEERING COMPANY (GREAT BRITAIN) LIMITED, CROYDON, ENGLAND. NOVEMBER 1937. BB 507. PERFORMANCE DATA - NASH HYTOR VACUUM PUMPS - CONICAL TYPE - LOWVAC REVISION: 1750 & 1440 SPEEDS DELETED FROM… | ||
| scan0152 | Dimensional drawing and assembly diagrams for Nash Engineering pumps. | ||
| View original record | NASH ENGINEERING COMPANY (GREAT BRITAIN) LIMITED, CROYDON, ENGLAND. MAY 1937. PAGE BB 614 GB 318 MINIMUM DISTANCE TO REMOVE HEAD AND CONE WATER SUPPLY b PIPE SHUT OFF VALVE ADJUSTING VALVE a PUMP… | ||
| scan0153 | Letter from the Experimental Department to The Zenith Carburetter Co. Ltd. chasing information on a flow bench for carburetters. | ||
| View original record | 1033 EXPERIMENTAL DEPT. Rm/TAS.17/JH. 8th June, 1938. The Zenith Carburetter Co.Ltd., Honeypot Lane, Stanmore, MIDDLESEX. For the attention of Mr. A.E.Palmer. Dear Sirs, Some time ago we received from… | ||
| scan0154 | Letter from The Zenith Carburetter Co. Ltd. regarding a new arrangement drawing. | ||
| View original record | SWINDEN The ZENITH CARBURETTER CO. LTD HONEYPOT LANE, STANMORE, MIDDLESEX ADJOINING QUEENSBURY UNDERGROUND STATION CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY. TELEGRAMS:… | ||
| scan0155 | Letter from Zenith Carburetter Co. Ltd. regarding a test plant for carburetters. | ||
| View original record | The ZENITH CARBURETTER CO. LTD HONEYPOT LANE STANMORE MIDDLESEX ADJOINING QUEENSBURY UNDERGROUND STATION CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY. TELEGRAMS:… | ||
| scan0156 | Procedure from Zenith Carburetter Co. for setting carburettor throttle conditions. | ||
| View original record | THE ZENITH CARBURETTER CO. Limited. Sheet No... 2.. Messrs. Rolls-Royce Ltd. 15/6/38 carburetter throttle, whilst still maintaining the desired pressure drop across the carburetter at full throttle… | ||
| scan0157 | Letter from Zenith Carburetter Co. detailing the procedure for measuring air flow through a carburetter using orifices and a draught gauge. | ||
| View original record | THE ZENITH CARBURETTER CO. Limited. Sheet No. 3 Messrs. Rolls-Royce Ltd. 15/6/38 valve between the pump and the main regulating valve. Its dimensions will depend upon the quantity of air per minute… | ||
| scan0158 | Letter from Zenith Carburetter Co. explaining a compressed air petrol supply system and referencing a book on air flow measurement. | ||
| View original record | THE ZENITH CARBURETTER CO. Sheet No...4... Limited. Messrs. Rolls-Royce Ltd. 15/6/38 the petrol tank shown in the middle of the drawing, which is supplied with compressed air. In our case this tank is… | ||
| scan0159 | Letter of inquiry to Beeker Ltd. regarding the manufacture of custom graduated bottles for fuel flow measurement. | ||
| View original record | 1036? EXPERIMENTAL DEPARTMENT. Rm/TAS.7/JH. 17th June, 1938. Messrs. Beeker Ltd., Hatton Gardens, LONDON.E.C.1. Dear Sirs, We are interested in the measurement of fuel flow by means of stop watch and… | ||
| scan0160 | Inquiry to Jas Powell & Sons (Whitefriars) Ltd. about manufacturing graduated bottles for fuel flow measurement. | ||
| View original record | 10362? EXPERIMENTAL DEPARTMENT. Rm/TAS.8/JH. 17th June, 1938. Messrs. Jas Powell & Sons (Whitefriars) Ltd., 100 Wigmore Street, LONDON.W.11. Dear Sirs, We are interested in the measurement of fuel… | ||
| scan0161 | Letter from W. & J. GEORGE LTD. acknowledging an enquiry and advising on future correspondence. | ||
| View original record | Telephone: CENTRAL 7641 (3 LINES) Telegrams: CHEMISTRY, BIRMINGHAM CALCUTTA 1883-4 ALLAHABAD 1910 SYDNEY 1897 LONDON 1884 Cablegrams: MARCONI CODE W. & J. GEORGE LTD. PROPRIETORS OF F.E. BECKER & CO.… | ||
| scan0162 | Letter from James Powell & Sons (Whitefriars) Ltd requesting a sketch to clarify a bottle order. | ||
| View original record | James Powell & Sons (Whitefriars) Ltd Stained Glass Studios Domestic & Table Glass Showrooms 100 WIGMORE STREET LONDON W1 Telephone: WELBECK 1174 WHITEFRIARS GLASS WORKS TUDOR ROAD WEALDSTONE… | ||
| scan0163 | Letter to the Zenith Carburetter Co. Ltd. regarding missing information on carburetter flooding and air flows. | ||
| View original record | 1036 EXPERIMENTAL DEPARTMENT. Rm/TAS.8/JH. 22nd. June, 1938. The Zenith Carburetter Co.Ltd., Honeypot Lane, Stanmore, MIDDLESEX. For the attention of Mr. A.E. Palmer. Your reference AEP/KD. Dear Sirs,… | ||
| scan0164 | Letter to Messrs. James Powell & Sons clarifying a previous enquiry for graduated bottles to measure fuel flow. | ||
| View original record | 1036 EXPERIMENTAL DEPARTMENT. Rm/TAS.4/JH. 22nd. June, 1938. Messrs. James Powell & Sons (Whitefriars) Ltd., 100, Wigmore Street, LONDON.W.1. Your Reference AT. Dear Sirs, With reference to our… | ||
| scan0165 | Letter from a laboratory supplier requesting more details for a quote on fuel flow measurement apparatus. | ||
| View original record | T.A.S. Telephone: CENTRAL 7641 (3 LINES) Telegrams: CHEMISTRY, BIRMINGHAM CALCUTTA 1883-4 ALLAHABAD 1910 SYDNEY 1897 LONDON 1884 Cablegrams: MARCONI CODE Established 1872 W. & J. GEORGE LTD.… | ||
| scan0166 | Letter to Ferodo Ltd. regarding a sample of VM.20 taper packing for carburetter insulation. | ||
| View original record | 1036? EXPERIMENTAL DEPARTMENT. Rm/FD.18/JH. 28th June, 1938. Messrs. Ferodo Ltd., Chapel-en-le-Frith. For the attention of Mr. Longley. Dear Sirs, Many thanks for your sample of VM.20. taper packing… | ||
| scan0167 | Cover letter to Messrs. W. & J. George Ltd. enclosing a rough sketch of apparatus for fuel flow measurement. | ||
| View original record | 1036 EXPERIMENTAL DEPARTMENT. Rm/TA9.5/JH. 28th June, 1938. Messrs. W. & J. George Ltd., 157, Gt. Charles Street, Birmingham.3. Your ref. EC/JD. Dear Sirs, In reply to your letter of the 25th inst. we… | ||
| scan0168 | Letter from a laboratory supplier acknowledging a request for an apparatus to measure fuel flow. | ||
| View original record | Telephone: CENTRAL 7641 (3 LINES) Telegrams: CHEMISTRY, BIRMINGHAM CALCUTTA 1883-4 ALLAHABAD 1910 SYDNEY 1897 LONDON 1884 Cablegrams: MARCONI CODE W. & J. GEORGE LTD. PROPRIETORS OF F. E. BECKER & CO.… | ||
| scan0169 | Price quotation from James Powell & Sons for a graduated bottle. | ||
| View original record | James Powell & Sons (Whitefriars) Ltd WHITEFRIARS GLASS WORKS TUDOR ROAD WEALDSTONE MIDDLESEX Stained Glass Studios Domestic & Table Glass Showrooms 100 WIGMORE STREET LONDON W.1 Telephone: WELBECK… | ||
| scan0170 | Need to install a carburetter rig in the Experimental Department to compete with rivals like Vauxhall. | ||
| View original record | 1036 Hs. from Rm. Rm2/R.29.6.38. EXPERIMENTAL EQUIPMENT. The recent publicity given to petrol consumption has caused us to consider whether we ought to have a carburetter rig in the Experimental Dept.… | ||
| scan0171 | Components and methods for a carburetter flow bench, specifically concerning fuel and air flow measurement. | ||
| View original record | 1036. To Rm. Rm/TAS.8/JH.30.6.38. CARBURETTER FLOW BENCH. (a) Enumeration of individual items and reasons for their choice. (b) Notes on the uses to which the flow bench may be put. (c) Cost of… | ||
| scan0172 | Carburetter flow bench equipment, discussing orifices, vacuum pumps, and separator tanks, with comparisons to Vauxhall's methods. | ||
| View original record | -2- used for accurate work in the States. Sharp edge orifices are simple to manufacture, published work has been done on them in this Country, and moreover, Zeniths, using this type of orifice obtain… | ||
| scan0173 | The testing methods for Vauxhall 10 HP and 14 HP carburetters, including the use of a flow bench. | ||
| View original record | -3- Rm/TAS.8/JH.30.6.38. All the Vauxhall 10 H.P. and some of the 14 H.P. carburetters are tested in this way, a 3% error on either side of the master carburetter curves being allowed. Whereas this… | ||
| scan0174 | Choke flow testing procedures and the justification for using a dedicated flow rig. | ||
| View original record | -4- Rm/TAS.8/JH.30.6.38. CHOKE FLOWS. Choke flows may be carried out to represent cold start characteristics. With choke closed and throttle set at normal starting position the vacuum valve is slowly… | ||
| scan0175 | Price list for a Nash-Hytor Vacuum Pump and associated components. | ||
| View original record | -5- Rm/TAS.8/JH.30.6.38. Nash-Hytor Vacuum Pump - Model L.6. complete with inlet seal water regulating and shut off cocks, silencer for air discharge, spring loaded relief valve, combined base plate… | ||
| scan0176 | Blueprint for a carburettor flow bench. | ||
| View original record | COUNTERBALANCED HOOD HAVING TWO GLASS WINDOWS IN OPPOSITE SIDES ALL AIR TIGHT JOINTS INSIDE DIMENSIONS 3.0 x 1.10 x 2.0 HIGH LOCATION FOR RECEIVING CARBURETTOR ADAPTOR PLATE THIS IS BOLTED TO THE… | ||
| scan0177 | General report on carburetter complaints and modifications for the 30 HP and Wraith UII models. | ||
| View original record | 1036. To By. from Rm/GR. c. Da. Rm/GR.1/MH.20.7.38. GENERAL REPORT ON CARBURETTER COMPLAINTS. Rm/GWH. These complaints were discussed and investigated with and that the modifications carried out on… | ||
| scan0178 | Listing modifications and resolutions for issues across various car models including 30 HP, Wraith, Bentley, and Phantom. | ||
| View original record | -2- Rm/GR.1/MH.20.7.38. 30 H.P. (5) Flooding and difficult start-ing when hot. Anodic Oxide treated drain ball. Lower position of drain ball to Rm.479/80. 12 in stock for complaints of carbonising… | ||
| scan0179 | Continued list of issues and modifications for the Phantom III model. | ||
| View original record | -3- Rm/GR.1/MH.20.7.38. PHANTOM III - Cont'd. (2) Flooding and difficult starting when hot. 100 Anodic Oxide treated bolts sent to depots. Modifications in hand not issued. Carburetter tilted forward… | ||
| scan0180 | Letter to R. Railton requesting information on the duplex carburetter and induction system of a Terraplane 6. | ||
| View original record | 1036 Rm.4/MH. 4th. August 1938. R.Railton, Esq., Messrs. Thomson & Taylor (Brooklands) Ltd., Brooklands Track, Weybridge, SURREY. Dear Railton, Is it possible for you to give me the following… | ||
| scan0181 | Letter to Automobiles Hotchkiss requesting information on their double choke downdraught carburetter setup. | ||
| View original record | 1036? Rm.3/MH. 4th. August 1938. Mr. Ainsworth, Automobiles Hotchkiss, 154, Avenue des Champs-Elysees, PARIS, France. Dear Mr. Ainsworth, When I was recently in Paris visiting your Works you will… | ||
| scan0182 | Letter to Mr. Ainsworth regarding tin-plated pistons and big end bearings. | ||
| View original record | Mr.Ainsworth. -2- 4th. August 1938. I hope that you have tried the tin-plated pistons, and would once again remind you that if you are in any trouble with the big end bearings on engines, from which,… | ||
| scan0183 | Proposal from Norman Engineering Company for a Size L6 'Nash Hytor' Vacuum Pump for a carburetter testing plant. | ||
| View original record | 1036 TELEPHONE CROYDON { 2278 2279 Norman Engineering Company Hytor Works, Commerce Way, Purley Way, Croydon TELEGRAMS NASHNORMA CROYDON PROPOSAL Name Messrs. Rolls-Royce Ltd., Address Derby For… | ||
| scan0184 | Cover note regarding a duplicate pump scheme proposal from the Norman Engineering Co. | ||
| View original record | ✓ 1036 COPY FOR FILE. Rm/TAS.7/JH.14.9.38. The attached proposal was sent by the Norman Engineering Co. following a visit by their technical represent- ative. The scheme suggested is a duplicate of… | ||
| scan0185 | Proposal from Norman Engineering Company for a 'Nash Hytor' Vacuum Pump for the Experimental Department. | ||
| View original record | TELEPHONE CROYDON { 2278 2279 Norman Engineering Company Hytor Works, Commerce Way, Purley Way, Croydon TELEGRAMS NASHNORMA CROYDON PROPOSAL Name: Messrs. Rolls-Royce Ltd., Number: LFP/GC.6744.… | ||
| scan0186 | Blueprint for the arrangement of a Size L.6 Nash Hytor Vacuum Pump. | ||
| View original record | PRELIMINARY 80 15/16" 29 1/2" 14 3/4" 14 3/4" 21 7/8" 27 5/16" 13 1/2" 1" 21 3/4" 10 1/2" 5 1/4" 2" INLET AND OUTLET FLANGES 11" DIA. 8-5/8" DIA. BOLTS ON 9 1/4" B.C. DIA. BOLT HOLES OFF CENTRE LINES.… | ||
| scan0187 | Request to loan a Terraplane 6 induction system with carburetter for 3 days to allow a dimensioned sketch to be made. | ||
| View original record | Rm. HOD? 1036 If these people handle the Terraplane 6 to any extent, would it be possible to loan us a complete induction system with carburetter attached etc for say 3 days. This would suffice for… | ||
| scan0188 | Letter from Thomson & Taylor regarding the fuel consumption of a 21 HP Terraplane 6 and offering services. | ||
| View original record | CARS IN OUR WORKSHOPS ARE NOT INSURED AGAINST FIRE EXCEPT BY SPECIAL ARRANGEMENT TELEPHONE: BYFLEET 520 & 521 TELEGRAMS: TEEANTEE, BYFLEET ALSO AT PORTSMOUTH ROAD COBHAM SURREY COBHAM 85. RAILTON Cars… | ||
| scan0189 | Letter discussing the advantage of an aerodrome depot for engine overhauls and the absence of Mr. Railton. | ||
| View original record | -2- depot on an Aerodrome such as this might possibly be of some advantage to your Company in connection with engine overhauls and repairs, etc. Mr. Railton asked me to deal with his correspondence… | ||
| scan0190 | Letter to K.J. Thomson of Thomson & Taylor regarding a head-cum-induction system and congratulating them on a performance by John Cobb. | ||
| View original record | HOT 1036 Rm.12/MH. 23rd. September 1938. K.J.Thomson, Esq., Messrs. Thomson & Taylor (Brooklands) Ltd., Brooklands Track, Weybridge, SURREY. Dear Mr.Thomson, Very many thanks for your letter of the… | ||
| scan0191 | Poor value for money regarding special items demanded on the Stromberg carburetter. | ||
| View original record | By. from Rm. o. Da. c. Da/Jnr. c. Da/McS. 1036 also 1033. Rm4/R.4.10.38. CARBURETTERS. No one minds paying a high price for a carburetter if the customer gets good value out of it. The attached report… | ||
| scan0192 | The supply, stock, and pricing of Stromberg carburetters. | ||
| View original record | Rm. from Rm/CTS. Rm/CTS6/R.4.10.38. STROMBERG CARBURETTER. (Type D.C.42.) We have an agreement with the Zenith Carburetter Co. who produce and supply the above carburetter. This agreement covers the… | ||
| scan0193 | List of required modifications and points to consider for a new engine component drawing, referencing the Wraith, Bentley, and Humber 'Snipe' models. | ||
| View original record | -2- Rm/CTS6/R.4.10.38. A drawing is urgently needed either showing or mentioning the following points:- (1) Deleting the drip tray. This tray is unnecessary on Wraith because (a) The exhaust manifold… | ||
| scan0194 | Proposal to test different carburetter bodies and their associated starting mechanisms. | ||
| View original record | -3- A recent test has shown that if we deleted the drain, the height of the lamp post would have to be extended to three feet, to counteract the high pressure pumps in the case of a full bore flood.… | ||
| scan0195 | Page discussing warm engine starting conditions and the finalization of carburetter specifications. | ||
| View original record | -4- Rm/CTS.6/R.4.10.38. (c) If the engine is left stationary for say 30 minutes immediately after having been at normal temperature, the electric heater will cool right off, while the engine will… | ||
| scan0196 | Requesting tests on the S.U. carburetter solenoid's current consumption and low voltage performance. | ||
| View original record | barburettis 1036 To Rm/RC. c. Rm/CTS. BY/RD.5/B.10.10.38. SOLENOID ON S.U. CARBURETTER. We are informed by the S.U. Co., that the current consumption of the solenoid in the starting carburetter on 12… | ||
| scan0197 | Letter from Gordon Equipments Ltd introducing their L.P. Exhaust Gas Analyzer. | ||
| View original record | 1036 Rm GORDON EQUIPMENTS LTD GARAGE & ENGINEERING TOOLS & EQUIPMENT DIRECTORS FRED J. GORDON NORMAN CARR 25 MILTON STREET LONDON EC2 METROPOLITAN 3170 GORQUIP BARB LONDON FILE 25th. October, 1938.… | ||
| scan0198 | Operating instructions leaflet for an exhaust gas analyzer and for correcting the carburettor. | ||
| View original record | OPERATING INSTRUCTIONS FOR EXHAUST GAS ANALYZER 1. Turn switch to the OFF position. Turn No. 1 control all the way to the left. 2. Connect with 6 or 12 volt storage battery (or the car electrical… | ||
| scan0199 | Explaining correct carburation through exhaust gas analysis, featuring a combustion chart and a table of gas equivalents. | ||
| View original record | Correct Carburation by Exhaust Gas Analysis Exhaust Gas Analysis is the scientific method of accurately gauging the degree of richness of the mixture supplied by the carburettor under actual running… | ||
| scan0200 | The fitting of a Duplex Stromberg Carburetter to the Wraith model. | ||
| View original record | 1036 Rm/CTS. from Rm. c. Rm/Swdl. Rm5/R.28.10.38. With reference to the attached report, we cannot fit two S.U's to the Wraith. We could, however, fit a Duplex Stromberg Carburetter. We do not see… | ||
| scan0201 | Performance differences between Bentley and Wraith induction systems. | ||
| View original record | Ry. from Rm. c. HS. c. Da. c. Mx. c. Rm/OTS. INDUCTION SYSTEMS & PERFORMANCE. The attached report indicates that there is a definite improvement to be gained by using the Bentley system with two… | ||
| scan0202 | Comparative tests on the Wraith 28.G.VI using a standard Wraith induction system versus a Bentley III induction system. | ||
| View original record | To By. from Rm/GR. c. to Hs. c. to Da. c. to Mx. c. to RM/CTS. Rm/GR.3/JH.31.10.38. Comparative tests on the Wraith 28.G.VI using (a) A standard Wraith induction system with single downdraught… | ||
| scan0203 | Performance comparison tables for the Wraith and Bentley III systems, including acceleration and hill climb data. | ||
| View original record | -2- Rm/GR.3/JH.31.10.38. PERFORMANCE. M.P.H. MEAN TIME - SECONDS IMPROVEMENT IN PERFORMANCE OR % REDUCTION IN TIME WITH BENTLEY III SYSTEM. WRAITH SYSTEM. B.III SYSTEM. 10 - 30. 9.5 8.4 11.6% 10 - 40.… | ||
| scan0204 | Carburetter performance tests, comparing speed, petrol consumption, and other improvements between different systems and needle types. | ||
| View original record | -3- MAXIMUM SPEED. Maximum speed remained the same with both systems at 79 - 80 M.P.H. PETROL CONSUMPTION. Constant speed consumption curves for both systems are attached. Choice of needles for the… | ||
| scan0205 | Engine idling, low-speed roughness, and an unsuccessful cold start test on a Bentley III system. | ||
| View original record | -4- Rm/GR.3/JH.31.10.38. (2) Idling is not quite so consistently good as with the Stromberg carburetter. (3) The engine is rather rougher at bottom speeds than with a standard Wraith system.… | ||
| scan0206 | Performance and acceleration comparison graph for the B III and Wraith systems. | ||
| View original record | SECONDS FT/SEC² B III SYSTEM WRAITH SYSTEM ACCELERATION (FT/SEC²) PERFORMANCE (SECS TO ACHIEVE A GIVEN ROAD SPEED) WRAITH SYSTEM B III SYSTEM M.P.H. | ||
| scan0207 | Graph comparing the power output of a B III induction system against a Wraith induction system under specific engine conditions. | ||
| View original record | INDUCTION SYSTEM POWER COMPARISON UNIT BEN III NO.1 CONDITIONS RAISED CROWN AEROLITE PISTON 6.6:1 RATIO B II EXHAUST SYSTEM WRAITH CAMSHAFT. VALVE TIMING .030 CL'CE IO 12° PTDC IC 44° PBDC EO 36° BBDC… | ||
| scan0208 | Alterations to the induction system and carburettors for improved fuel economy between B.II and B.III models. | ||
| View original record | 1036 also 1249 To By. c. to Hs. c. to Da. c. to Mx. c. to Da/JNR. Rm.2/JH.29.10.38. FUEL ECONOMY. B.III. Two major alterations have been made between B.II and (1) Change from six to four port… | ||
| scan0209 | Petrol consumption tests for various Bentley III car configurations. | ||
| View original record | To By. c. to Hs. c. to Da. c. to Wx. c. to Da/JHR. Rm/GR.3/JH.29.10.38. BENTLEY III PETROL CONSUMPTION. The following cars were used for test and comparison - | | B.III. 7.B.V. | B.II-6.B.IV. |… | ||
| scan0210 | Table of results from fuel consumption tests comparing two vehicle models with different carburettor and wheel setups. | ||
| View original record | -2- Results of consumption runs. Average Speed Tests (7 1/2 Miles at 60 M.P.H.) | 6.B.IV. | M.P.G. | 7.B.V. | M.P.G. | Notes |… | ||
| scan0211 | Constant speed consumption tests for Bentley III carburettors using different needle and jet tube assemblies. | ||
| View original record | -3- Rm/GR.3/JH.29.10.38. Constant Speed Consumption (Zenith Mileage Tester). Curves obtained with 7.S.V. are shown on the attached graph. In view of the inadequacy of the B.J.A. needles used on the… | ||
| scan0212 | Cold starting difficulties with a 'Startex' carburetter at 6°F. | ||
| View original record | -4- Rm/GR.3/JH.29.10.38. COLD STARTING. An attempt was made to start the car (fitted with a 'Startex' carburetter' at 6°F. The engine fired regularly on one cylinder but could not be persuaded to run.… | ||
| scan0213 | Graph plotting constant speed petrol consumption in miles per gallon against miles per hour for the 7BV model. | ||
| View original record | CONSTANT SPEED PETROL CONSUMPTION - 7 B V M.P.G. M.P.H. LB1 NEEDLES [TOP GEAR] R R X NEEDLES [TOP GEAR] OVERDRIVE [LB1 NEEDLES] | ||
| scan0214 | Letter from Thomson & Taylor apologising for a delay and responding to a query about a Hudson 6 head-cum-induction system. | ||
| View original record | 1036 CARS IN OUR WORKSHOPS ARE NOT INSURED AGAINST FIRE EXCEPT BY SPECIAL ARRANGEMENT TELEPHONE BYFLEET 520 & 521 TELEGRAMS TEEANTEE, BYFLEET RAILTON Cars THOMSON & TAYLOR (BROOKLANDS) LTD BROOKLANDS… | ||
| scan0215 | Test report on the operating voltage and current consumption of an automatic solenoid choke control. | ||
| View original record | -1036- To By/RD. c. to Rm/CTS. Rm/RC.15/JH.29.11.38. AUTOMATIC SOLENOID CHOKE CONTROL. We obtained one of the above units from Rm/CTS. and tested it for operating voltage and current consumption. From… | ||
| scan0216 | Engine power figures related to exhaust and induction system modifications for a Paulin Bentley. | ||
| View original record | 1036 also 1379 To Rm. Rm/CTS. - 13.1.39. PAULIN BENTLEY. In connection with the above, we attach the power figures obtained on our test bed unit when fitted with the special parts that Ratcliffe has… | ||
| scan0217 | Performance of induction and exhaust systems, and proposed detonation tests for Bentley models. | ||
| View original record | 1036 Rm/CTS. c. Rm/Swdl. c. Rm/Wym. c. Rm/GR. Rm4/R.13.1.39. Your report on camshaft induction systems is very interesting. The performance of the Stromberg Induction System, particularly with a B.V.… | ||
| scan0218 | Carburation, induction systems, and exhaust effects on engine performance. | ||
| View original record | 1036 Rm/Swdl. from Rm. Rm/CTS. Rm8/R.16.1.39. CARBURATION. S.U. Starter Carburetter. If we can get rid of the freezing on this starter, and, at the same time, raise idling speed with a cold engine to… | ||
| scan0219 | Testing cylinder bores by sending a block to Rovers for chromium plating. | ||
| View original record | -2- for finding out whether our bores are reliable, or not. We should like to submit a block to Rovers forthwith and ask them to do some short chromium plating on it. I have written to then and asked… | ||
| scan0220 | Development challenges with an automatic starting device, including 'freezing up' and performance issues. | ||
| View original record | 1036 COPY FOR FILES. To Rm. from Rm/CTS. Typed 21.3.39. AUTOMATIC CARBURATION. Automatic Starting. For the past few months a considerable amount of work has been done in this direction. Most of our… | ||
| scan0221 | Comparison of the S.U. manufacturer's recommended settings for a starting device versus Rolls-Royce's own method. | ||
| View original record | -2- The initial setting of the S.U. starting device is a most important point, because its performance depends to such a large extent upon the method of setting adopted. The makers do not pretend that… | ||
| scan0222 | Analysis of S.U. carburettor starting methods and a proposed combined mixture/throttle control linkage. | ||
| View original record | -3- It can be considered in this way. Assume in average customer's hands that 95% of the starts made are under conditions round about normal temperature. The S.U. method, therefore, does cater for… | ||
| scan0223 | The impracticality of a 'fast idle' device when a hand throttle is required for steep gradients. | ||
| View original record | -4- The "fast idle" device is something we have not tried, but if the use of the hand throttle is essential on steep gradients, we can say straight away that it is impractical. Rm/CTS. | ||
| scan0224 | Graph comparing constant speed petrol consumption for various induction systems and car models. | ||
| View original record | CONSTANT SPEED PETROL CONSUMPTION MILES/GALLON CONSTANT SPEED M.P.H. B III S.U. INDUCTION SYSTEM - B.S.A. NEEDLES. STANDARD WRAITH SYSTEM B III SYSTEM Z NEEDLES 4 1/4 BENTLEY II Y-Axis (Miles/Gallon):… | ||
| scan0225 | Article discussing the power gains achievable by 'ramming' an engine's air intake. | ||
| View original record | RM 1036 397 How Much Can Be Gained By “Ramming” an Engine? By P. M. HELDT THE question often arises, especially in connection with the development of racing engines, as to how much power can be gained… | ||
| scan0226 | Article on engine ramming effect and the Bristol Perseus X engine, with an advertisement for 'dag' colloidal graphite. | ||
| View original record | RM 407 How Much Can Be Gained by “Ramming” an Engine? (Continued from page 399) sion in the past that the ramming effect would be a maximum if the ram were provided with a horn, or scoop, which would… | ||
| scan0227 | Article on the Berlin Motor Show alongside an advertisement for Durez plastic ignition components. | ||
| View original record | 408 BERLIN SHOW (Continued from page 398) front drive, the 61-cu. in. front drive (both with four-cylinder L-head engines) and the 152-cu. in. six cylinder. In the 61-cu. in. the combustion chamber… | ||
| scan0228 | Carburation development for new six and eight-cylinder engines and scheduling a meeting to improve processes. | ||
| View original record | 1036 Rm/FD. from Rm. Rm/Wym. Rm/Swdl. Rm/GR. Rm/TAS. Rml/R.1.6.39. CARBURATION GENERALLY. Carburation is a vitally important part of the development of any car. At the present moment we have a large… | ||
| scan0229 | Outlining the order of urgency for development work on carburetter and induction systems. | ||
| View original record | 1036 Rm/FD. from Rm. Rm/Wym. Rm/Swdl. Rm/CTS. Rm/GR. Rm/TAS. Rm/RC. Rm6/R.2.6.39. CARBURETTER WORK. Following in order of urgency is the development work which we have on Induction systems and… | ||
| scan0230 | Outlining responsibilities for carburetter testing, coordination of results, and collaboration with Vauxhalls. | ||
| View original record | -2- Rm6/R.2.6.39. GR. should be responsible for keeping a log of all carburetter tests carried out on the road, and CTS. for all tests carried out on the test bed, these records to be independent of… | ||
| scan0231 | Modifying induction pipes by inserting sheet lead into the core box to reduce the bore size. | ||
| View original record | 1036. To HPS. Rm/CTS.11/JH.12.6.39. Induction Pipes. With reference to special induction pipes in development adapting a duplex Stromberg carburetter (aero design) to a six cylinder engine. EXS.1527.… | ||
| scan0232 | Outlining a suggested programme of tests for carburation systems and components. | ||
| View original record | 1036. To Rm/FD. from Rm/CTS. Rm/Wym. Rm/GR. Rm/TAS. Rm/CTS.8/MH.14.6.39. CARBURATION. The following is a suggested programme for obtaining information required to obtain "leaders" on the various jobs.… | ||
| scan0233 | Comparison of the Standard B.V., Standard Wraith, and new Duplex systems for performance and fuel economy. | ||
| View original record | -2- Rm/CTS.8/MH.14.6.39. The three systems should be compared, therefore, in performance and fuel economy. (a) Std. B.V. system. (b) Std. Wraith system. (c) New Duplex system. Note. The latter, after… | ||
| scan0234 | Unvapourised fuel surging in the Induction System B.80 No.5 Unit. | ||
| View original record | 1036 & 1044 To By. c. to Da. c. to Da/Jnr. c. to By/Ald. c. to Da/Mc. Rm/CTS.14/JH.28.6.39. Induction System B.80 No.5. Unit. Carburetter. Stromberg type AA.25 (Throttle 1.437). Induction pipe.… | ||
| scan0235 | Design of induction pipes and manifolds for carburettors to improve heating at low speeds. | ||
| View original record | -2- RM/CTS.14/JH.28.6.39. We require as much heat on the pipe as possible at low speeds. It has been said that our water heated hot spots are a draw back in this respect, but in our experience the… | ||
| scan0236 | Production of 6 and 8 cylinder engine castings and the induction pipe for a B.80 engine. | ||
| View original record | -3- Rm/CTS.14/JB.28.6.39. In the meantime, castings of both types (6 cyl. and 8 cyl.) are being produced to the existing design, but with a main bore of 1.500 so that we can get a figure for max.… | ||