Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Follow-up letter to The Stromberg Carburetter Co. Ltd. regarding a request for two carburetters and information on a twin choke model. | ||
| View original record | 1033 Expl. Dept. Hs/CTS.8/MJ. 15th. August, 1935. C. Fisher Esq., The Stromberg Carburetter Co. Ltd., Bendix Works, Tyseley, Birmingham. Dear Mr. Fisher, On August 6th. Mr. Robotham wrote to you… | ||
| Scan002 | Letter from Zenith Carburetter Co. Ltd. confirming a telephone conversation regarding a twin down-draft Stromberg carburetter. | ||
| View original record | STROMBERG CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS' OWN RISK AND RESPONSIBILITY. Telegrams: "ZENICARBUR, PHONE",LONDON. Code: A.B.C. 5TH. Edition. Telephones MUSEUM 9106-9. THE ZENITH CARBURETTER CO.… | ||
| Scan003 | Letter to The Zenith Carburetter Co. Ltd. requesting two chokes for a Stromberg DA-42 type carburetter. | ||
| View original record | Copy to Roy: X1033 Hs/FD.21/KW. Exptl. Dept. 13th September,1935. The Zenith Carburetter Co.Ltd., 40-44, Newman St., LONDON, W.1. Dear Sirs, Stromberg Carburetters. DA-42 Type. Will you please supply… | ||
| Scan004 | Official order for a Stromberg carburetter and parts from The Zenith Carburetter Co. Ltd. | ||
| View original record | To Roy. X103B Hs/CTS.2/KW.16.9.35. Will you please pass an official order to The Zenith Carburetter Co.Ltd., for - 1. DA-42 Stromberg Carburetter, to the same specification as previously supplied. 1.… | ||
| Scan005 | Letter to The Zenith Carburetter Co. Ltd. requesting the supply of a carburetter and spare parts. | ||
| View original record | Exptl. Dept. HS/CTS.1/KW.16.9.35. 16th September,1935. The Zenith Carburetter Co.Ltd., 40-44, Newman Street, LONDON. W.1. Dear Sirs, Will you please supply as soon as possible 1. DA-42 Carburetter, to… | ||
| Scan006 | Letter to The Zenith Carburetter Company regarding Stromberg carburetter positions and bench tests for the 20/25 model. | ||
| View original record | X1038 Exptl: Dept. HS/Rn.23/KW. 17th September, 1935. C.H. Fisher, Esq., The Zenith Carburetter Company Ltd., 40/44, Newman St., LONDON, W.1. Dear Mr. Fisher, Stromberg Carburetters. Can you come up… | ||
| Scan007 | Letter from Zenith Carburetter Co. regarding Stromberg and Duplex carburetters and a proposed meeting. | ||
| View original record | X1033 T. Salt The ZENITH CARBURETTER CO LTD 40 - 44 NEWMAN STREET LONDON W CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY. TELEGRAMS: ZENICARBUR, PHONE, LONDON. CODE: A.B.C. 5TH… | ||
| Scan008 | The second page of a letter from The Zenith Carburetter Co. Limited. | ||
| View original record | THE ZENITH CARBURETTER CO. Limited. Sheet No............ 2 absence from the office. Kind regards, Yours sincerely, THE ZENITH CARBURETTER CO. LTD. [Signature] C. H. Fisher CHF/GC | ||
| Scan009 | Letter to The Zenith Carburetter Co. Ltd. suggesting a mid-week visit to the Derby works. | ||
| View original record | T Salt has Mr Fisher's letter x 1033 Exptl. Dept. HS/Rn.14/KW. 21st September,1935 The Zenith Carburetter Co.Ltd., 40-44, Newman,St., LONDON, W.1. For the attention of Mr. C.H. Fisher. Dear Sirs,… | ||
| Scan010 | Letter to The Zenith Carburetter Co. Ltd. requesting Stromberg Carburetters and associated parts. | ||
| View original record | X1033 Exptl. Dept. HS/CTS.18/KW. 21st October,1935. The Zenith Carburetter Co.Ltd., 40-44, Newman Street, London W.1. Stromberg Section. Dear Sirs, Will you please supply as soon as possible 2,… | ||
| Scan011 | Letter to Zenith Carburetter Co. Ltd. arranging bench tests for a DA-42 carburetter. | ||
| View original record | X1033 Exptl. Dept. Hs/CTS.17/KW. 25th October, 1935. The Zenith Carburetter Co.Ltd., 40-44, Newman Street, London, W.1. For the attention of Mr. Fisher. Dear Sirs, Can you visit our Works on Wednesday… | ||
| Scan012 | Letter from Zenith Carburetter Co. Ltd. acknowledging an order for two DA.42 carburettors. | ||
| View original record | The ZENITH CARBURETTER CO LTD 40 - 44 NEWMAN STREET LONDON W CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY. TELEGRAMS ZENICARBUR, PHONE, LONDON. CODE: A.B.C. 5TH EDITION. ALSO… | ||
| Scan013 | Letter from Zenith Carburetter Co. Ltd. arranging a meeting to discuss the manufacture of carburetters for a 12 cylinder engine. | ||
| View original record | The ZENITH CARBURETTER·CO·LTD 40 - 44 NEWMAN STREET LONDON·W CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY TELEGRAMS: ZENICARBUR, PHONE, LONDON. CODE: A.B.C. 5th EDITION. ALSO… | ||
| Scan014 | Letter to Zenith Carburetter Co. Ltd. arranging a meeting in Derby with Mr. Turner. | ||
| View original record | X1033 Exptl. Dept. Hs/Rm. 21/KW. 29th October,1935. The Zenith Carburetter Co.Ltd., 40-44, Newman St., LONDON, W.1. For the attention of Mr. Turner. Dear Sirs, Replying to your letter of October 28th,… | ||
| Scan015 | Table of choke sizes and depression measurements for a Size 3 carburetter. | ||
| View original record | X1033 29.10.35. SIZE 3 CARBURETTER. Choke Size Depression Standard Duplex 1.3/16" 4.5" Daimlers Choke Size Singles to get power 1.5/16" 3" Largest chokes that can be got in 1.13/32" Wanted off Fisher… | ||
| Scan016 | Requesting modifications to a duplex Stromberg carburetter for a Phantom III unit. | ||
| View original record | X 1033 To RHC, Hs/Swdl.1/KW.5.11.35. Phantom III. Will you please make an adaptor to Rm.5, for use with the duplex Stromberg carburetter on No.4 unit. Also will you machine the body of this… | ||
| Scan017 | Payment for three outstanding invoices from Zenith Carburetter Co. Ltd. | ||
| View original record | H Smith 9/54317 G/Cam/CA.24/KI.7.11.35. Hs. Cannot we now Close this Correspondence. Am We have three invoices from The Zenith Carburetter Co.Ltd. dated 1st September, 23rd October and 29th October… | ||
| Scan018 | Official order be placed for parts from the Zenith Carburetter Co. Ltd. | ||
| View original record | X1033 To Roy. c. to G/Cam. Hs/Rm.1/KW.12.11.35. Will you please pass an official order to the Zenith Carburetter Co.Ltd. for the parts mentioned in memo. G/CAM/CA.24/KI:7.11.35., the total cost being… | ||
| Scan019 | Request to issue an official order for Stromberg carburetter parts for carburetter No. DB-32. | ||
| View original record | To Roy. X1033 Hs/Bwg.2/KW.15.11.35. Will you please issue an official order to the Stromberg Carburetter Co. for - 2. Float Chamber Covers } suitable for 1. Float } Carburetter No. DB-32. Order No.… | ||
| Scan020 | Performance report and specifications for a Stromberg carburetter D.B.42. | ||
| View original record | To Hs/Rm. c.c. to Hs/CTB. X1033 Hs/GR.S/KW.16.11.35. 18-G-IV. Latest type Stromberg carburetter D.B.42 with fast idle and automatic choke unit built in casting. Carburation O.K. throughout range with… | ||
| Scan021 | Letter from Zenith Carburetter Co. Ltd. regarding the supply and testing of various carburetter parts and models. | ||
| View original record | The ZENITH CARBURETTER·CO·LTD 40 - 44 NEWMAN STREET LONDON·W CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY. TELEGRAMS ZENICARBUR. PHONE. LONDON. CODE A.B.C. 5TH EDITION ALSO AT… | ||
| Scan022 | Letter from the Zenith Carburetter Co. confirming a carburetter has passed a petrol leak test. | ||
| View original record | THE ZENITH CARBURETTER CO. Limited. Sheet No...M......... T. Salt, Esq., 20th November 1935 This carburetter has been tested with petrol in various positions and has not leaked on any of the tests to… | ||
| Scan023 | Proposing the standardisation of the Duplex Downdraught Stromberg carburetter system for the Phantom III. | ||
| View original record | To RHC. x1033 Hs/Swdl.22/KW.21.11.35. Phantom III. The results obtained with the Duplex Downdraught Stromberg carburetter are so promising that it is proposed to standardise this system. With this in… | ||
| Scan024 | Parts affected by the change to a Duplex carburetter on the Phantom III. | ||
| View original record | To BY: Rm V1033 E/PSN.3/MN.22.11.35. Copy to Hs/Rm. RHO Duplex Carburetter on Phantom III. The decision to change over from the four carburetters to the Duplex carburetter will necessitate the holding… | ||
| Scan025 | Invoice from The Zenith Carburetter Co. Ltd. for nozzles and jets, seeking payment authorisation. | ||
| View original record | [Handwritten top] L.P. Smith. I thought that we had cleared this up? R [Typed] Hs. G/Cam/CA.13/DW.22.11.35. Rm. We have an invoice from The Zenith Carburetter Co.Ltd. dated 14th instant, details of… | ||
| Scan026 | Letter to the Zenith Carburetter Co. Ltd. about sourcing twin Stromberg carburetters for an experimental twin six engine. | ||
| View original record | X1033 Exptl. Dept. HS/Rm.11/KW. 23rd November, 1935. T.L. Turner. Esq., The Zenith Carburetter Co.Ltd., 40-44, Newman Street, London, W.1. Dear Mr. Turner, We are pushing ahead with the experimental… | ||
| Scan027 | Letter urgently requesting information on the Stromberg carburetter within a fortnight. | ||
| View original record | -2- The situation has now reached a point where we must have some definite information if we are to consider going on with the Stromberg carburetter, and I have been asked to supply this information… | ||
| Scan028 | Invoice from Zenith Carburetter Co. Ltd. for choke valves and a request for payment authorization. | ||
| View original record | LL Smith. Hs. We have an invoice from The Zenith Carburetter Co.Ltd.; dated 19th instant, on which we are charged 4/- each, less 40%, plus 2d postage, for 3 Choke Valves L659, which they say have been… | ||
| Scan029 | Confirming the official order of carburetter pieces. | ||
| View original record | X1033 G/Cam. Hs/Smth.9/KW.26.11.35. Re G/Cam/CA.13/DW.22.11. 35. Please be informed that the carburetter pieces in question were officially ordered in the first place, following our memo.… | ||
| Scan030 | Letter to Zenith Carburetter Co. Ltd. regarding the return of duplicate Stromberg parts. | ||
| View original record | X1033 Exptl. Dept. HB/Bwg.19/KW. 26th November,1935. The Zenith Carburetter Co.Ltd., 40-44, Newman Street, London, W.1. Dear Sirs, We have received from you - 2. Stromberg Float Chamber Lids. 1.… | ||
| Scan031 | Request to manufacture a Cylindrical Petrol Float for experiments on a Stromberg Carburetter. | ||
| View original record | To RHC. X1033 Hs/Bwg.13/KW.26.11.35. Will you please have made up 1. Cylindrical Petrol Float, 1.00" x .6562" x .010". This is required in connection with experiments being carried out on the… | ||
| Scan032 | Instructing the dispatch of Stromberg carburetter parts to Zenith Carburetter Co. Ltd. due to an erroneous order duplication. | ||
| View original record | X1033 To D/BP. c. to C/Mt. Hs/Bwg.18/KW.26.11.35. We are sending into the Despatch Stores 2. Stromberg Carburetter Float Chamber Lids. 1. " " Float. Will you please instruct for these to be sent to :-… | ||
| Scan033 | Letter from Zenith Carburetter Co. Ltd discussing manufacturing and delivery of a Twin Stromberg Carburetter. | ||
| View original record | X1033 The ZENITH CARBURETTER·CO·LTD 40 - 44 NEWMAN STREET LONDON·W CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY. TELEGRAMS: ZENICARBUR, PHONE, LONDON. CODE: A.B.C. 5th… | ||
| Scan034 | Letter from The Zenith Carburetter Co. discussing the modification, delivery, and pricing of carburetters. | ||
| View original record | THE ZENITH CARBURETTER CO. Limited. Sheet No. 2...... W.A. ROBOTHAM, ESQ. Messrs. Rolls-Royce Limited. 26th November, 1935. I understand that you may probably want some of the parts modified or made… | ||
| Scan035 | Letter from Zenith Carburetter Co. Ltd. providing tentative pricing for Twin Stromberg Carburetters. | ||
| View original record | The ZENITH CARBURETTER·CO·LTD X1033 CARS DRIVEN BY OUR STAFF ARE AT CUSTOMERS OWN RISK AND RESPONSIBILITY. TELEGRAMS ZENICARBUR. PHONE. LONDON CODE: A.B.C. 5TH EDITION. 40 - 44 NEWMAN STREET LONDON·W… | ||
| Scan036 | Page 2 of a letter from The Zenith Carburetter Co. regarding a first-class carburetter job. | ||
| View original record | THE ZENITH CARBURETTER CO. Limited. Sheet No...2....... W.A. ROBOTHAM, ESQ. 27th November, 1935. data to work upon and, naturally, I could guarantee a first-class job, as the carburetter would not be… | ||
| Scan037 | Letter to Daimler enquiring about a flooding issue with a Stromberg Downdraught Carburetter on a gradient. | ||
| View original record | X1033 Exptl. Dept. Hs/Rm.9/KW. 28th November, 1935. L. Pomeroy, Esq., The Daimler Motor Co.Ltd., Coventry. Dear Pomeroy, We have found that the Stromberg Downdraught Carburetter floods on a gradient… | ||
| Scan038 | Letter to The Zenith Carburetter Co. Ltd. acknowledging receipt of prices. | ||
| View original record | X1033 Exptl. Dept. Hs/Rm.27/KW. 29th November, 1935. T.L.Turner, Esq., The Zenith Carburetter Co.Ltd., 40-44, Newman Street, London, W.1. Dear Mr. Turner, Thank you for your letter of the 27th… | ||
| Scan039 | Internal order request for three E.E.3 Duplex downdraught Stromberg carburetters for a Phantom III. | ||
| View original record | To Roy. From Hs/Swdl. K1033 Hs/Swdl.3/MJ.29.11.35. PHANTOM 111. Will you please order from the Bendix Co. Kings Road, Tyseley, Birmingham, the following, which are required as early as possible. 3 Off… | ||
| Scan040 | The creation of official orders for Zenith and Stromberg carburettor parts. | ||
| View original record | To Roy. c. to G/Cam. X1073 Hs/CTS.18/KW.29.11.35. G/Cam/CA.23/DW.25.11.35. Will you please pass an official order to the Zenith Carburetter Co.Ltd. for 3 Choke Valves L.659, at 4/- each less 40% plus… | ||
| Scan041 | Invoice from Zenith Carburetter Ltd. for carburettor parts. | ||
| View original record | Handwritten: C.T.S. We must book stuff in and send a note through when it arrives. Is this O.K. Rm Typed: Hs. We have an invoice from the Zenith Carburetter Ltd., dated 25th instant, details of which… | ||
| Scan042 | Official order be passed to the Zenith Carburetter Co. for jets. | ||
| View original record | To Roy. c. to G/Cam. X103 Hs/Rm.12/KW.3.12.35. G/Cam/CA.21/DW.29.11.35. Will you please pass an official order to the Zenith Carburetter Co. for 22. Metering Jets L.829, at 2/6d. each, and 16. By Pass… | ||
| Scan043 | Requesting alterations to the induction systems of two cars for development and testing purposes. | ||
| View original record | To RHC. X1033 Hs/CTS.21/KW.4.12.35. Induction System Development. In conjunction with the work being carried out on the Stromberg Carburetter for the 25/30 HP. car, will you please carry out the… | ||
| Scan044 | Invoice from Zenith Carburetter Co. Ltd. for H.S. Bleeds and a request for payment. | ||
| View original record | [Signature] L E Smith G/Cam/CA46/NR.9.12.35 H.S. We have an invoice from the Zenith Carburetter Co.Ltd. dated 27th ulto. on which we are charged 1/-d. each less 40% plus 2d. postage for three P.12870… | ||
| Scan045 | The results of testing a heated riser for a Duplex Stromberg Carburetter. | ||
| View original record | x.033 To E. Hs/Swdl.11/KW.10.12.35. Ph.III (Duplex Stromberg Carburetter). In reply to E/PSN.1/MN.22.11.35, we have tested out the riser between the induction pipe and the carburetter to Rm.5, with… | ||
| Scan046 | Potential flooding of Stromberg down-draught carburetters on an incline and inquiring about how American cars handle this issue. | ||
| View original record | S/W To Rm. from Sg. re Stromberg Carburetters and Flooding. I am not quite clear what the position is about this except that apparently these down draught carburetters flood when the car is on an… | ||
| Scan047 | Letter to Zenith Carburetter Co. Ltd. regarding the return of four defective bye-pass jets. | ||
| View original record | X1033 Exptl. Dept. Hs/Swdl.18/KW. 13th December,1935. The Zenith Carburetter Co.Ltd., 40-44, Newman Street, London, W.1. Dear Sirs, We are returning 4 bye-pass jets which we received from you, for use… | ||
| Scan048 | Requesting the manufacture of 3 pairs of chokes for Stromberg carburetters for the Phantom III. | ||
| View original record | To RHC. X1033 Hs/Swdl.19/KW.13.12.35. Phantom III. Will you please have made, 3 pairs of chokes, 1.5/16" dia. to Ex.614, for use on the Stromberg carburetters which have been ordered by us, for use… | ||
| Scan049 | Requesting the production of a brass induction system for the Ph.III Stromberg Duplex Carburetter. | ||
| View original record | X1033 To RHC. Hs/Rm.16/KW.13.12.35. Induction System for the Ph.III Stromberg Duplex Carburetter. Will you please make the first set of pipes in brass. We shall almost certainly want to modify them… | ||
| Scan050 | Issue of Stromberg carburetter flooding on gradients. | ||
| View original record | X1033 To Sg. from Hs/Rm. Hs/Rm.6/KW.13.12.35. Re Stromberg Carburetters and Flooding. Replying to Sg.3/E.11.12.35. The position is that when the car is on an upward gradient - 1 in 10 or less - the… | ||
| Scan051 | Requesting an official order for H.S. Bleeds from Zenith Carburetter Co. Ltd. | ||
| View original record | To Roy. c. to A/Cam. X1033 Hs/Smth.11/KW.16.12.35. G/Cam/Ca.46/NR.9.12.35. Will you please pass an official order to the Zenith Carburetter Co.Ltd., for 3. P.12870 H.S. Bleeds, at 1/0d. each, less… | ||
| Scan052 | Telegram requesting a supply of three sets of parts for spring-loaded hand-controlled throttle chokes. | ||
| View original record | X1033 16.12.35. FISHER, ZENICARBUR, PHONE, LONDON: WE ARE SHORT OF PARTS FOR SPRING LOADED HAND CONTROLLED THROTTLE CHOKES. PLEASE SUPPLY THREE SETS. ROBOTHAM, ROYCAR. | ||
| Scan053 | Letter from The Zenith Carburetter Co. Ltd concerning the dispatch of parts for a Hand Strangler Control conversion. | ||
| View original record | The ZENITH CARBURETTER·CO·LTD HONEYPOT LANE STANMORE Middlesex ADJOINING QUEENSBURY UNDERGROUND STATION 'Phone: WORDSWORTH 2213 Telegrams: "Zenicarbur, Phone, London." CARS DRIVEN BY OUR STAFF ARE AT… | ||
| Scan054 | Proposal, pricing, and delivery of Stromberg carburettors for the Phantom III model from the Zenith Company. | ||
| View original record | X1033 To E. from ROY. c. to H-J. c. to EV. c. to Hs. ROY9/MG16.12.35 Proposed Stromberg Carburetter for P.III I would confirm our various conversations re above emphasizing the urgency of the matter,… | ||
| Scan055 | Questioning the benefits and drawbacks of down draught Stromberg carburetters, referencing flooding issues. | ||
| View original record | X1033 S/W. Hs/Rm re- Stromberg Carburetters and Flooding. Cx6/KW17.12.35. Sg has passed to me your Hs/Rm.6/KW13.12.35, after perusal. It would be interesting to us in London to know what are the… | ||
| Scan056 | To swap engine components between two cars to test an automatic carburetter scheme against a hand-controlled one. | ||
| View original record | To RHC. X1033 Ha/Rm.15/KW.17.12.35. Stromberg Carburetters. Further to our discussion with Wor. yesterday; will you please change the head, induction pipe and exhaust system complete off Wor's car on… | ||
| Scan057 | Letter to The Zenith Carburetter Co. Ltd. regarding an incorrectly supplied carburetter and an urgent modification required for a petrol leak. | ||
| View original record | X1033 Extpl.Dept. Ha/CTS.10/KW. 18th December, 1935. The Zenith Carburetter Co.Ltd., 40-44, Newman Street, London, W.1. For the attention of Mr. Fisher. Dear Sirs, First to thank you for the very… | ||
| Scan058 | Letter detailing modifications and specifications for DA-42 carburetors. | ||
| View original record | -2- HS/CTS.10/KW.1.12.35. specifications ready long before this date to make it possible. Our first move is to send you some DA-42 carbs. to be brought up to date. Further to our last meeting, these… | ||
| Scan059 | Duplex Stromberg carburetter modification for the Phantom III. | ||
| View original record | X 1033 To RHC. Hs/Swdl.4/KW.20.12.35. Phantom III. We now have another Duplex Stromberg carburetter available for machining to the Stromberg drawing Ex.612, as soon as the job can be started. This… | ||
| Scan060 | Letter from Zenith Carburetter Co. Ltd apologising for delays due to moving factory and acknowledging an issue with a D.A. Carburetter. | ||
| View original record | C.T. Salt- 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:… | ||
| Scan061 | Explaining the decision to use a downdraught carburetter on the big bore 20/25 engine. | ||
| View original record | W/S - CX. c. to Sg. X1033 Hs/Rm.9/KW.21.12.35. Re Stromberg Carburetters & Flooding. Replying to Cx.6/KW.17.12.35, there is really no merit in a downdraught carburetter as such, except that it can… | ||
| Scan062 | Three cold start tests performed on a Stromberg Carburetter. | ||
| View original record | To Hs/Rm. X1033 Hs/GWH.12/KW.21.12.35. 21-G-IV. Stromberg Carburetter. We have made three cold starts with the Stromberg Carburetter. (1) Three seconds were taken to start the engine. Air temperature… | ||
| Scan063 | Letter from Bendix to Zenith discussing carburetter components like throttle shafts, pump nozzles, and electric choke units. | ||
| View original record | COPY. X1033 BENDIX PRODUCTS CORPORATION, SOUTH BEND, INDIANA. DECEMBER 23, 1935. Zenith Carburetter Co.Lt., London. Attention: Mr. C.H.Fisher. Gentlemen: Referring to your letter of December 4th in… | ||
| Scan064 | Letter from Bendix Products Corporation regarding the performance of automatic choke set-ups. | ||
| View original record | -2- The automatic choke set-up as now used on the 1935 and 1936 Packard "120" cars has also proven very satisfactory. In accordance with our records, you have received the stocklists and drawings on… | ||
| Scan065 | Invoice for carburettor parts from Zenith Carburetter Co. and authorising payment. | ||
| View original record | Handwritten: T. Salt: Did we not send this information to the Hs/Ldg Typed: G/Cam/CA.11/DW.30.12.35. We have an invoice from The Zenith Carburetter Co. Ltd., dated 18th instant, details of which are… | ||
| Scan066 | Letter to Zenith Carburetter Co. Ltd. inquiring about a Stromberg Carburetter shut-off scheme. | ||
| View original record | X1033 Exptl. Dept. Hs/Dwg.21/KW. 30th December, 1935. The Zenith Carburetter Co.Ltd., 40-44, Newman Street, London, W.1. For the attention of Mr. Fisher. Dear Sirs, When you were at these Works last,… | ||
| Scan067 | Letter to The Zenith Carburetter Co. Ltd. regarding a delayed order for EE-3 duplex carburetters and providing the required specification. | ||
| View original record | X1033 Exptl. Dept. Hs/Swdl.21/KW. 1st January, 1936. The Zenith Carburetter Co.Ltd., Honeypot Lane, Stanmore, Middlesex. For the attention of Mr. Fisher. Dear Sirs, We were informed a little while ago… | ||
| Scan068 | Request for a set of parts for an EE-3 carburetter. | ||
| View original record | -2- Hs/Swdl.21/KW.1.1.36. Will you please supply a set of the above parts as soon as possible for an EE-3 carburetter which we have by us and are going to use. Yours faithfully, FOR ROLLS-ROYCE… | ||
| Scan069 | Observations on carburetter testing apparatus at Strombergs. | ||
| View original record | X1033 To E. c. to Wor. c. to Rg. c. to RHC. Ha/Gry.1/KW.2.1.36. Carburetter Testing Apparatus at Strombergs. Strombergs were not willing to supply us with drawings or photographs of their aircraft… | ||
| Scan070 | Blueprint of Stromberg equipment for testing aero engines. | ||
| View original record | AIR TIGHT CHAMBER WITH, GLASS DOOR, CARBURETTER INVERTED, TO SUCTION PIPE, VARIABLE LEAK, STROMBERG EQUIPMENT FOR TESTING AERO ENGINES., BOARD FOR FLOW METERS, AND THROTTLE CONTROLS, 1 IN 8 WATER… | ||
| Scan071 | Blank document page stamped by the Print Room in Derby. | ||
| View original record | ROLLS-ROYCE, LTD PRINT ROOM JAN 1 1935 DERBY | ||
| Scan072 | Requesting an official order be passed to the Zenith Carburetter Co. for parts already received. | ||
| View original record | X1033 To Boy. c. C/Cam. Hs/Rm.3/JH.3.1.36. Replying to G/Cam/Ca.11/DW.30.12.35. Will you please pass an official order to the Zenith Carburetter Co. for the part mentioned in memo reference as above.… | ||
| Scan073 | Internal request to order two Stromerg carburettors type DA.42 with detailed setting specifications. | ||
| View original record | To Roy. X1033 Hs/CTS.3/JH.6.1.36. Will you please order from the Zenith Carburetter Co. :- 2 Stromerg Carburetters type DA.42. (with hand controlled starting) Specification (setting) Choke. 1.25" Main… | ||
| Scan074 | Performance comparison and analysis of a Duplex Down Draught Carburetter for the Phantom III. | ||
| View original record | X1033 E. From Hs/Rm. c. to Wor. c. to By. Hs/Swd.l.4/MA.7.1.36. DUPLEX DOWN DRAUGHT CARBURETTER PHANTOM III. Comparisons have been taken between the experimental mock-up scheme and Lec.4748 with the… | ||
| Scan075 | Continued report on carburettor modifications, discussing mixture distribution, throttle response, and material changes for weight saving. | ||
| View original record | -2- Hs/Swd1.4/MA.7.1.36. Cont'd. Although we wish to confirm these figures, we do think that the above modifications would be worth while, if only for an experimental try out. The distribution at high… | ||
| Scan076 | To place an order for a Buick transmission assembly and Zenith carburetter parts. | ||
| View original record | X1033 To Roy. c. to G/Cam. Hs/Rm.24/KW.7.1.36. Will you please pass an order to Messrs. Lendrum & Hartman for 1. Buick Transmission Assembly, plus gear shift lever and pin assembly - price £31. 5. 6d.… | ||
| Scan077 | Invoice from Zenith Carburetter Co. Ltd. for By Pass Jets. | ||
| View original record | Hs/Rm. Copy to ROY. G/Cam/CA.11/WP.8.1.36. We have an invoice from the Zenith Carburetter Co. Ltd., dated 31st ulto., details of which are shown below. 4. By Pass Jets PL6965 4/-d. 16. 0. 1/059 1/063… | ||
| Scan078 | Procedural issues with invoicing and requisitioning for parts supplied by Stromberg & Zenith Carburetter Co. | ||
| View original record | To Hs/FD. c. to Hs/CTS. c. to Hs/Smth. c. to Hs/Swdl. c. to Hs/GR. X1733 Hs/Rm.14/KM.10.1.36. Stromberg & Zenith Carburetters. I am continually getting notes from the Accounts Dept. in connection with… | ||
| Scan079 | Letter to the Zenith Carburetter Co. Ltd. regarding an incorrect invoice for faulty, returned By-Pass Jets. | ||
| View original record | C1033 Exptl. Dept. Hs/Rm.15/KW. 10th January, 1936. The Zenith Carburetter Co.Ltd., 40-44, Newman Street, London, W.1. For the attention of Mr. Fisher. Dear Sirs, On the 13th December we wrote to you… | ||
| Scan080 | Specification sheet for a DA-42 Stromberg Carburetter, model 18-G-IV (Large Bore). | ||
| View original record | To Hs/Rm. c. to Hs/crs. x1033 D.C. 42 CARB. Hs/CR.11/KW.11.1.36. Limit on float. LeC4883. 18-G-IV (Large Bore). Specification of DA-42 Stromberg Carburetter fitted. Choke and fast idle device brought… | ||
| Scan081 | Final specification and performance notes for a Stromberg carburetter on car 21-C-IV (Large Bore). | ||
| View original record | To Hs/Rm. c. to Hs/OTS. X1033 Hs/GR.3/KW.15.1.36. 21-C-IV (Large Bore). Final specification of Stromberg carburetter DA-42, as fitted to suit larger bore manifold and turbulent head. Choke 1¼" dia.… | ||
| Scan082 | Settings and modifications for a Stromberg DA-42 carburetter on car 20-G-IV. | ||
| View original record | X1033 To Hs/Rm. c. to Hs/GTS. Hs/GR.2/KW.13.1.36. 20-G-IV. The Stromberg carburetter DA-42 on this car was brought up to date in setting and controls etc. The water temperature only averaged 70°C. and… | ||
| Scan083 | Specification of a DB-42 Stromberg Carburetter and other component modifications for car 19-G-IV. | ||
| View original record | To Hs/Rm. c. to Hs/CTS. X1033 Hs/GR.1/KW.13.1.36. 19-G-IV. Specification of DB-42 Stromberg Carburetter fitted. Choke 1¼" dia. Main metering jet .062. Bypass jet .048. Main discharge tube with single… | ||
| Scan084 | Replacement Bypass Jets and a potential invoice error with Zenith Carburetter Co. | ||
| View original record | X1033 To Roy. c. to G/Cam. Hs/Rm.17/KW.13.1.36. G/Cam/CA.11/WP.881.36. The 4 Bypass Jets mentioned in the above memo. were sent as replacements for faulty parts, and we think therefore that the… | ||
| Scan085 | Visit to the Zenith Carburetter Co. Ltd. to discuss the production of carburetters. | ||
| View original record | E. Hs. Dr. Roy. SFT. EWT. Copy to Hy. X1033 Rm Wor2/T17.1.36. Hy. and I visited the Zenith Carburetter Co.Ltd. on Wednesday 15th instant. We took a model Carburetter with us, and viewed the factory… | ||
| Scan086 | Suggestion to expedite carburetter production for early testing and an offer of support. | ||
| View original record | Contd:-2- Wor2/T17.1.36. I suggested to them that they should proceed as rapidly as possible to make at least 12 Carburetters without external finish, so that we can use these for testing chassis in… | ||
| Scan087 | Official order for parts received from the Zenith Carburetter Co. | ||
| View original record | X1033 To Roy. Hs/Swdl.4/JH.20.1.36. Will you please pass an official order for the following parts received from the Zenith Carburetter Co:- 1. .062 pass jet. 2. .058 Metering Jets. 2. 65 Pump jet… | ||
| Scan088 | Requesting an order of 6 metering jets for a 25 HP Stromberg Carburetter. | ||
| View original record | X1033 To Roy: Hs/GR.7/JH.21.1.36. 25 H.P. (Stromberg) Carburetter. Will you please order from the Zenith Carburetter Co. Ltd., (Stromberg Dept):- 6 metering jets L.829 size .062. Hs/Ratcliffe. | ||
| Scan089 | The development and performance of a new turbulent cylinder head and induction pipe drain for the Large Bore 20/25 model. | ||
| View original record | To E. c. to Wor. c. to By. X1033 Hs/Rm.2/KW.22.1.36. Turbulent Head & Induction Pipe Drain - Large Bore 20/25. We are now in a position to release the induction pipe and cylinder head for the big bore… | ||
| Scan090 | Review of the clutch position and flywheel orders for the 20/25 and 20/27 models to suit the Borg & Beck clutch. | ||
| View original record | -2- The clutch position has been reviewed in view of C's note on the subject. We think we should at once order up flywheels for the 20/27 to suit the Borg & Beck clutch. These flywheels, apart from… | ||
| Scan091 | Test report on the induction pipe drainage scheme for a 25/30 HP engine. | ||
| View original record | To E. c. to Wor. c. to By. Rs/CTS.1/KW.22.1.36. 25/30 HP Engine. Induction System. In conjunction with our programme as laid out in our memo. Hs/CTS.24/KW.19.12.35. Tests have been carried out to… | ||
| Scan092 | Induction pipe drain tests, noting flow rates and design adaptations. | ||
| View original record | -2- Hs/CTS.1/KW.22.1.36. Note. This test was carried out with the induction pipe on a level plane. When the induction pipe is tilted to the equivalent angle of a 1 in 5 gradient on the road, the… | ||
| Scan093 | Proposal to use bronze throttle bodies for Stromberg carburettors instead of the standard cast-iron. | ||
| View original record | To Wor. c. to E. Hs/Rm.4/KW.22.1.36. Stromberg Carburetters. _____________________ With reference to Wor.2/T.17.1.36. We had a talk to Fisher, the technical representative of the Stromberg carburetter… | ||
| Scan094 | Graph of air/fuel ratio versus engine RPM for a 25/30 HP engine with a Stromberg DA 42 carburettor at full and half throttle. | ||
| View original record | 25/30 HP DISTRIBUTION CURVE N°1 INDUCTION PIPE Ex 2/III. STROMBERG. DA 42. CARBURRETTER AIR FUEL RATIO 15 14 13 12 11 FULL THROTTLE HALF THROTTLE FRONT CYLINDERS CENTRE REAR CAMBRIDGE EXHAUST GAS… | ||
| Scan095 | Blank page with a print room stamp. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM JAN 22 1936 DERBY. | ||
| Scan096 | Power comparison graph for the 20/25 HP and 25/30 HP engines, plotting BHP and BMEP against RPM. | ||
| View original record | 20/25 H P AND 25/30 H P POWER COMPARISON OPEN EXHAUST ① 20/25 ENGINE (H7S) COMP RATIO 5.25:1 CARB TYPE 3877 CYL BORE 3.250 DIA Handwritten: Present, Standard ② 25/30 ENGINE G.6 (TURBULENT E.G.3868)… | ||
| Scan097 | Drawing showing a modification to an induction pipe for a 25/30 HP engine. | ||
| View original record | RM 47 THE ONLY MOD. TO Ex 21111 IS THAT THE SLOPE OF THIS FLOOR IS CARRIED INTO THE MAIN BORE OF INDN. PIPE BY THE CHANNEL SHOWN. .500 MOD TO INDN. PIPE FOR 25/30 HO ENGINE - RM 47 | ||
| Scan098 | Blank document page stamped by the Print Room in Derby. | ||
| View original record | ROLLS-ROYCE, LTD PRINT ROOM JAN 22 1936 DERBY | ||
| Scan099 | Specifications for the DA.42 Stromberg carburetter, unit C-16. | ||
| View original record | x1033 To Hs/Rm. c. to Hs/CTS. Hs/GR.9/JH. 22.1.36. 22-G-V. Unit C-16. Specifications of DA.42 Stromberg carburetter filled. Choke 1 1/2" dia. Main metering jet .064. Bypass jet .029 (drill size) Main… | ||
| Scan100 | Summary of settings and modifications for a Stromberg DB.42 carburetter on unit E-3-M. | ||
| View original record | X1033 To Hs/Rm. c. to Hs/CTS. Hs/C.R.10/JH.22.1.36. CUB.5. Unit E-3-M. The Stromberg carburetter DB.42. on this car was brought up to date in setting and controls etc. E.63210 spring fitted to… | ||
| Scan101 | Proposal to order 50 American-made Stromberg Carburetters for the Phantom III chassis due to production difficulties and time constraints. | ||
| View original record | X1033 Rm To Wcr. from ROY. BS BT Hs. ROY6/MG22.1.36 Stromberg Carburetter for Phantom III Chassis Reverting to ROY9/MG16.12.35 (copy attached) re above, as it is evident the final design for this… | ||
| Scan102 | Sourcing, pricing, and delivery of proposed Stromberg Carburetters for the Phantom III model. | ||
| View original record | COPY To E. from ROY. c. to Wer. c. to BY. c. to Hs. Proposed Stromberg Carburetter for P.III I would confirm our various conversations re above emphasizing the urgency of the matter, and state: The… | ||
| Scan103 | Choice of material (cast iron vs. bronze) for Stromberg carburettor bodies. | ||
| View original record | To Rm. from Wor. Copy to Hs. Hyr Copy to Rov. EWR Wor2/T23.1.36. STROMBERG CARBURETTERS HS/Rm4/KW22.1.36 I think you are right in sticking to Cast Iron Bodies for these carburettors. Of course, I did… | ||
| Scan104 | Sourcing of Stromberg carburettors for the Phantom III chassis, arguing for domestic manufacture over importation. | ||
| View original record | X1033 Copy from Wor. [Text crossed out: To: Mr: Hs. Mr. HY. Mr. SMM. Mr. SC.] WCR5/T23.1.36. Stromberg Carburetter for Phantom lll Chassis. Referring to your Roy5/MGE22.1.36, in which you suggest that… | ||
| Scan105 | Carburetter production options for the Phantom III, comparing American versus English manufacturing. | ||
| View original record | -2- Contd WCFS/TES.1.36 This is entirely different to making the Carburetters in America, we can put up with getting some castings if obliged to easier than putting American Carburetters on our cars.… | ||
| Scan106 | Material choice for Stromberg carburettor bodies, advocating for cast iron over other options. | ||
| View original record | To Rm. from Wor. Copy to E. H. by HV. Copy to Royer by EH. X1033 Wor2/T23.1.36. STROMBERG CARBURETTERS. Hs/Rm4/KW22.1.36 I think you are right in sticking to Cast Iron Bodies for these carburetters.… | ||
| Scan107 | Cover letter for a report on performance issues with the Phantom III Induction System road tests. | ||
| View original record | X1033 To E.. c. to Wor. c. to By. c. to Mx. c. to Da. Hs/Rm.16/KW.24.1.36. Phantom III Induction System. The attached report shows why we are down in performance on our road tests with the first… | ||
| Scan108 | Modifications to the Phantom III induction system and comparative tests. | ||
| View original record | To E. c. to Wor. c. to By. c. to MX. Hs/Swdl.19/KW.24.1.36. x Phantom III Induction System. Further to our preliminary report on the above to Hs/Swdl.4/MA.7.1.36. we herewith attach curves showing the… | ||
| Scan109 | Performance graph comparing power curves for three different induction systems on a Phantom III engine. | ||
| View original record | PHANTOM III INDUCTION SYSTEM COMPARISON., SP 21., No. 9 UNIT - WHITEMETAL BEARINGS - FULL SPLIT PISTONS., (OPEN EXHAUST POWER CURVES), ① A........A STANDARD 4 R-R CARB SYSTEM., ② *---*---* DUPLEX… | ||
| Scan110 | Stamped by the print room upon receipt. | ||
| View original record | ROLLS-ROYCE, LTD PRINT ROOM JAN 25 1936 O-94Y | ||
| Scan111 | Requesting an official order for parts, with the exception of the Seating & Needle Assembly. | ||
| View original record | X1033 To Roy. c. to G/Cam. Hs/Swd1.3/KW.25.1.36. G/Cam/CA.11/KI.23.1.36. In our memo. Hs/Swd1.4/JH.20.1.36. we requested you to pass an official order for all the parts mentioned in… | ||
| Scan112 | Invoice from Zenith Carburetter Co. Ltd. requiring a check against an internal order. | ||
| View original record | [Handwritten] Swdll. Please check On, [Signature] [Strikethrough] Hs. C. to Roy. [/Strikethrough] G/Cam/CA.11/KI.23.1.36. We give below details of an invoice we have received from the Zenith… | ||
| Scan113 | Report on a Stromberg carburetter and requesting further checks on the accelerator pump spindle. | ||
| View original record | To Hs/GWH. c. to GR. X1033 Hs/Rm.24/KW.31.1.36. Here is a report of Ratcliffe's on the Stromberg carburetter as fitted to Wor's car. You have the only final scheme of carburetter and controls on… | ||
| Scan114 | Confirming a credit note from The Zenith Carburetter Co. Ltd. has been received to cancel an invoice for By Pass Jets. | ||
| View original record | GRY X1033 Hs. G/Cam/CA.31/DW.3.2.36. Further to our memo of the 8th ulto. ref. G/Cam/CA.11/WP and your memo Hs/Rm.17/KW.13.1.36. concerning an invoice we have from The Zenith Carburetter Co.Ltd. for 4… | ||
| Scan115 | Letter to The Zenith Carburetter Co. Ltd. enquiring about the delivery status of 3 duplex Stromberg carburettors. | ||
| View original record | .X1033 Exptl. Dept. Hs/Swdl.9/KW. 3rd February, 1936. The Zenith Carburetter Co.Ltd., Honeypot Lane, Stanmore, Middlesex. Dear Sirs, We should be pleased to know when the 3 duplex Stromberg… | ||
| Scan116 | Modifications to the Phantom III Duplex Stromberg Downdraught Induction System and subsequent performance improvements. | ||
| View original record | X1033 To E. c. to Wcr. c. to By. Hs/Swdl.16/KW.11.2.36. Phantom III. Duplex Stromberg Downdraught Induction System. Further to our report Hs/Swdl.4/MA.7.1.36, we have since confirmed our previous… | ||
| Scan117 | Outstanding tests required for a petrol drain system and overflow vent pipe. | ||
| View original record | -2- Hs/Swdl.16/RW.11.2.36. Outstanding tests to be carried out are the petrol drain systems from the hot spot base to Lec.4937, coupled with the overflow vent pipe from the floatchamber.… | ||
| Scan118 | Specifications for a large bore engine unit (No. U75), detailing the cylinder head, Stromberg carburettor, and jet settings. | ||
| View original record | X1033 To Hs/Rm. c. to HS/Bwdl. c. to HS/CTS. Hs/CR.12/JH.12. 2.36. 18-C-IV. (Large Bore) Unit No.U75. Ex.19456 cylinder head complete with Ex.21111/2 manifolds fitted. Stromberg carb. DB.42 fitted… | ||
| Scan119 | Modifications and carburettor specifications for Unit E.S.M. (large bore). | ||
| View original record | To HA/Rm. c. to HA/Swdl. c. to HA/CTS. X1033 HS/GR.11/JH.12.2.36. GUB.5. Unit E.S.M. (large bore) The original cylinder head manifold were replaced on this unit after decarbonizing. R.R. 100 asbestos… | ||
| Scan120 | Preliminary test results and identified faults for a Phantom III Stromberg Carburetter. | ||
| View original record | To E. c. to Wcr. c. to By. c. to Sft. X 1033 Hs/Swdl.7/KW.24.2.36. Phantom III Stromberg Carburetter. Preliminary tests have been taken on the test bed with the above carburetter as made by R.R. for… | ||
| Scan121 | Adjustments to the throttle return spring and the torsional return spring on the choke. | ||
| View original record | -2- (3) The throttle return spring as arranged has a returning load in the closed position of 3 lbs. at the throttle control connection radius. This was not sufficient however to return the throttle… | ||
| Scan122 | Official order for received Tecalemit filters and Stromberg carburettors. | ||
| View original record | X1033 To Roy. Hs/Swdl.1/JH. 24.2.36. Will you please pass an official order for the following parts received by us :- 12 Tecalemit Filters as ordered in the memo. Hs/Swdl.7/JH.29.1.36. 3 Stromberg… | ||
| Scan123 | Letter to Zenith Carburetter Co. Ltd. about sticking accelerator pumps caused by misalignment. | ||
| View original record | X1033 Exptl. Dept. Hs/Rm.26/KW. 25th February, 1936. Fisher, Esq., The Zenith Carburetter Co.Ltd., 40/44, Newman Street, LONDON, W.1. Dear Fisher, You will remember that we had a lot of trouble with… | ||
| Scan124 | Invoice from Zenith Carburetter Co. Ltd for By Pass Jets. | ||
| View original record | R Swall. Hs/Rm. Copy to G/Mt. Copy to Roy/MS. G/Cam/EM.11/WP.26.2.36. We have received an invoice from Zenith Carburetter, Co. Ltd London, rendered in respect of:- 4. By Pass Jets PL6965 which they… | ||
| Scan125 | Invoice from Zenith Carburetter Co. for replacement Bypass Jets. | ||
| View original record | To Roy. c. to G/Cam. c. to G/Mt. X1033 Hs/Swdl.6/KW.29.2.36. G/Cam/EM.11/WP.26.2.36. With regard to the invoice from the Zenith Carburetter Co. for 4, Bypass Jets P.16965, these jets were replacements… | ||
| Scan126 | Request to place an official order for duplex carburetter parts for a Phantom III, received from the Zenith Carb. Co. | ||
| View original record | X1033 To Roy. c. to G/Cam. Hs/Swdl.16/JH. 2.3.36. Will you please pass an official order for the following parts which we have received from the Zenith Carb. Co. for the duplex carburetter on Ph.III.… | ||
| Scan127 | Invoice for a Zenith carburetter and instructing the stores department to book it in. | ||
| View original record | Swdll. Hs/Swdl Co. to G/Mt. c. to Roy/Ms. G/Cam/EM46/NR.4.3.36 We have received an invoice from the Zenith Carburetter Co.Ltd. London rendered in respect of:- 1. Carburetter EE3 A17883 which they… | ||
| Scan128 | The receipt of an E.E.3 carburettor from Zenith Carburetter Co. and the need to raise an official order. | ||
| View original record | X1033 To Roy. c.c. to G/Cam. c.c. to G/Mt. Hs/Swdl.1/KW.6.3.36. Re memo. G/Cam/EM.46/NR.4.3.36. The E.E.3 carburettor for which an invoice has been received from the Zenith Carburetter Co. was handed… | ||
| Scan129 | Specification for the Stromberg Carburetter for the 20/25 model, detailing part dimensions and an initial manufacturing agreement. | ||
| View original record | To By. c. to Sft. c. to E. c. to Mr. Fisher. c. to Roy. X1033 Hs/Em.21/KW.27.3.36. Stromberg Carburetter for the 20/25. D.C.42. LeC.4883. In order to enable the Works to proceed with the manufacture… | ||
| Scan130 | Official order for carburettor parts received from the Zenith Carburetter Co. | ||
| View original record | X1033 To Roy. c. to C/Cam. HS/Swd1.7/JH. 28.3.36. Will you please pass an official order for the following parts received by us from the Zenith Carburetter Co. 3 needles and seats std. for EE.3… | ||
| Scan131 | Request to check attached drawings against parts proposed for standardization, with reference to an attached letter from Zenith Carb. Co. | ||
| View original record | To Hs/GR. X1033 Hs/Rm.2/KW.31.3.36. Will you please check that the attached drawings agree with the parts we are proposing to standardise. Hs/Rm. Att: Letter from Zenith Carb. Co. with 2 prints. | ||
| Scan132 | Instruction to modify the petrol feed for the Stromberg duplex carburetters on a Phantom III. | ||
| View original record | To RHC. x1033 Hs/Swdl.11/KW.7.4.36. Phantom III. Will you please carry out the modification of fitting the under and direct petrol feed to the three Stromberg duplex carburetters which you are… | ||
| Scan133 | Modifications to the Phantom III Stromberg carburettor and S.U. petrol pumps to resolve fuel starvation issues at high speeds. | ||
| View original record | X1033 To E. c. to Wor. c. to By. c. to Mx. c. to Ba. Ha/Swdl.19/KW.8.4.36. Phantom III Stromberg Carburettor & S.U. Petrol Pumps. Following the starvation trouble experienced at high speeds, the… | ||
| Scan134 | Performance and pressure characteristics of petrol pumps, including free flow, back pressure, and spring ratings. | ||
| View original record | -2- Hs/Swdl.19/KW.8.4.36. We understood that the maximum pressure exerted by the pumps was 2 lbs/sq.in., but on checking found that this was only 1 lb/sq.in., or 35 ins. head of petrol. Although the… | ||
| Scan135 | Graph comparing the delivery flow of a standard petrol pump against one with stronger springs under varying back pressure. | ||
| View original record | PHANTOM III PETROL PUMP TESTS (S.W.) SP.23 EFFECT OF BACK PRESSURE UPON THE DELIVERY FLOW PTS/HR. STANDARD PUMP AS DELIVERED BY S.W. SPRING WIRE .056 DIA: PUMP WITH STRONGER SPRINGS .068 DIA: 1lb ☐"… | ||
| Scan136 | Stamped document from the print room. | ||
| View original record | ROLLS-ROYCE, LTD., PRINT ROOM, -8 APR 1936 DERBY. | ||
| Scan137 | Tests for fire risk and misfiring on a Stromberg carburettor for the Big Bore 20/25 HP model. | ||
| View original record | X1033 To E. from Hs/Rm. c. to WpF. c. to Hx. c. to By. c. to Sft. Hs/Rm.12/KW.8.4.36. Stromberg Carburetter for the Big Bore 20/25 HP. The attached report shows the tests we have been carrying out to… | ||
| Scan138 | Flooding tests on a 25/30 HP model to provide an effective overflow drain for a Stromberg carburettor float chamber. | ||
| View original record | Ha/FP.11/KW.8.4.36. 25/30 HP. Flooding Tests. Tests have been carried out in conjunction with the Stromberg DG.42 Carburettor, to provide an effective overflow drain for the float chamber. Part Under… | ||
| Scan139 | Extract from a letter by G. Summers suggesting improvements to the ignition system for wet weather performance. | ||
| View original record | Extract from letter dated 3.4.36 from G. Summers, Esq. "When I sent my car recently to have it decarbonised and the brakes re-lined, I suggested that something might be done to make the car usable in… | ||
| Scan140 | Schematic diagram of a float chamber vent and drainage system for a Stromberg carburetter. | ||
| View original record | PETROL LEVEL. FULL FLOOD. BORE OF VENT .325 DIA. BORE OF PIPE .250" DIA TWO .187 DIA HOLES IN VENT TUBE .487" FROM BASE. STROMBERG CARBURETTER FLOAT CHAMBER. DIXTAMPO. TRAY. THIS BORE MUST NOT EXCEED… | ||
| Scan141 | Largely blank page with a purple 'Print Room' stamp in the bottom right corner. | ||
| View original record | ROLLS-ROYCE, LTD. PRINT ROOM, -8 APR 1936 DERBY. | ||