Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Letter to Aston Martin inquiring about the source and properties of flexible exhaust piping. | ||
| View original record | X1276 Hs/Gry.1/KT. March 10th 1933. A. C. Bertilli Esq., Aston Martin Ltd., Feltham, Middlesex. Dear Mr. Bertilli, I wonder whether you would let us know where we can obtain some flexible exhaust… | ||
| Scan002 | Letter from Aston Martin regarding the supplier and use of flexible exhaust piping. | ||
| View original record | DIRECTORS SIR ARTHUR M. SUTHERLAND, BART. K.B.E. R. GORDON SUTHERLAND A. C. BERTELLI Aston Martin LTD. FELTHAM, MIDDLESEX. TELEGRAMS ASTOMARTIA FELTHAM TELEPHONE FELTHAM 218 & 219 CODES: A.B.C. 5th… | ||
| Scan003 | Letter to The Power Flexible Tubing Co. Ltd. requesting samples of flexible tubing for car exhausts. | ||
| View original record | X1276 Hs/Lid.6/KT. March 16th 1933. The Power Flexible Tubing Co. Ltd., Derby Works, Finsbury Park, London, N.4. Dear Sirs, We beg to acknowledge with thanks your letters of the 15th inst. With regard… | ||
| Scan004 | Letter to The Power Flexible Tubing Co. requesting recommendations for fixing flexible exhaust tubing and discussing a sample. | ||
| View original record | To-The Power Flexible Tubing Co. -2- In addition, would you kindly let us have your recommendations as to the most satisfactory methods of fixing these lengths of flexible tubing to the steel exhaust… | ||
| Scan005 | Request to send an official order for various lengths of flexible exhaust piping. | ||
| View original record | X1276 ROY/GEA. from Hs/Lid. Hs/Lid.5/KT.16.3.33. Will you please send an official order to the Power Flexible Tubing Co. Ltd., Derby Works, Finsbury Park, London N.4. for the following lenghts of… | ||
| Scan006 | Letter from The Power Flexible Tubing Co. Ltd. regarding a new type of flexible petrol hose. | ||
| View original record | TELEPHONE: TOTTENHAM 4106-7. ON ADMIRALTY LIST. x1276 TELEGRAMS: "AEROFLEXPHONE, LONDON" BENTLEY'S CODE. DIRECTORS: A.C. GILLMAN. MAJ. GEN. SIR H.M.L. MALONE. M.C. EVANS. R.D. MILLAR. THE POWER… | ||
| Scan007 | Letter from The Power Flexible Tubing Co., Ltd. discussing flexible tubing options for exhaust pipes. | ||
| View original record | X1276 TELEPHONE: TOTTENHAM 4106-7. ON ADMIRALTY LIST. TELEGRAMS: 'AEROFLEXPHONE, LONDON'. BENTLEY'S. CODE. DIRECTORS: A. C. GILLMAN, C. MANN, B.S.A. MALONE, M. G. MANN, M. D. MILLAR. THE POWER… | ||
| Scan008 | Letter from a supplier recommending their steel welded seamless tubing over their asbestos-based 'Tuboflex' hose for an exhaust connection. | ||
| View original record | X 1276 TELEPHONE: TOTTENHAM 4106-7. ON ADMIRALTY LIST. TELEGRAMS: "AEROFLEXPHONE, LONDON." BENTLEY'S CODE. DIRECTORS: M. C. GILLMAN. MAJ. SIR F. R. MALONE. M. C. MANN. R. D. MILLAR. THE POWER FLEXIBLE… | ||
| Scan009 | Letter from The Power Flexible Tubing Company, Ltd. awaiting an official order. | ||
| View original record | THE POWER FLEXIBLE TUBING COMPANY, LTD. CONTINUATION No. 1 TO Messrs. Rolls-Royce Ltd. 17th March 1933 We note you will be sending us an official order, which shall have our best attention. Yours… | ||
| Scan010 | Letter from a supplier confirming the dispatch of flexible exhaust piping, explaining a size difference due to metric tooling. | ||
| View original record | TELEPHONE: TOTTENHAM 4106-7. ON ADMIRALTY LIST. TELEGRAMS: "AEROFLEXPHONE, LONDON." BENTLEY'S CODE. DIRECTORS: A.C. GILLMAN, MAJ. SIR J. R. MALONE, W.O. MANN, M.C. MILLAR. THE POWER FLEXIBLE TUBING… | ||
| Scan011 | Letter to a supplier acknowledging receipt of flexible exhaust pipes and requesting more tubing. | ||
| View original record | X1276 Hs/Lid.10/KT. April 11th 1933. The Power Flexible Tubing Co. Ltd, Derby Works, Finsbury Park, London. N.4. Dear Sirs, We bed to acknowledge,with thanks,your letter of the 7th inst. We have… | ||
| Scan012 | Order for various lengths of flexible petrol hose from the Power Flexible Tubing Co. | ||
| View original record | X1276. ROY/MS. from Hs/Lid. Hs/Lid.8/KT.4.5.33. FLEXIBLE PETROL HOSE. With reference to the sample of special flexible petrol hose received from the Power Flexible Tubing Co. Ltd, Derby Works,… | ||
| Scan013 | Sending a 20 HP car to London and gathering competitor radiator specifications. | ||
| View original record | W/S. C. from Hs. Handwritten: X4240 X4607 Hsl/LG22.9.23. Handwritten: Y3596 Handwritten: X4607 We are sending to London on Tuesday the 25th. inst., a 20 HP. car fitted with a 2-level arrangement for… | ||
| Scan014 | Decision to discontinue the use of Sodium Phosphate in radiators as a corrosion preventative. | ||
| View original record | X4516. H/m From Hs/Rn. For Depot Sheet. Hs/Rn. 4/MJ. 6.12.29. CORROSION OF RADIATORS. It has been decided to discontinue the use of Sodium Phosphate in the radiator. This substance has previously been… | ||
| Scan015 | Letter from an inventor about a provisional patent for an improved motor car radiator. | ||
| View original record | X4607 24 Baxter Road Crestone House London E.16 Dear Sir I am just from New Zealand I have taken out a provisional patent for an improvement in Motor Car radiators I called at your London depot today… | ||
| Scan016 | From Edward a Down regarding waiting to hear about a trip to Somerset. | ||
| View original record | In a few days to tell them he going down into Somerset for a short time But will wait here till I hear from you I am Dear Sir yours faithfully Edward a Down | ||
| Scan017 | Letter responding to an undated inquiry about a new radiator design, requesting a sketch. | ||
| View original record | X4607 Hs/Rml/LG. 11th. Sept. 1925. E.A. Down, Esq., 24, Baxter Rd., Custom House, London E.16. Dear Sir, We thank you for your letter undated, re. a new design of Radiator. We consider the best thing… | ||
| Scan018 | Letter regarding a sample device to be tested by blowing air through it, potentially for a vehicle's cooling or ventilation system. | ||
| View original record | X.4607 24 Basekir Road Custom House London E.16 Sept. 12. 25 Dear Sir Many thanks for your favour just to hand. The sample I have made is only a small affair as it is sent up for you to test it. It is… | ||
| Scan019 | Letter proposing a new radiator design, referencing a sample and a provisional patent. | ||
| View original record | X4607 Reference HS/Bmf/LG 24 Baxter Road Custom House London E.16 14.9.25 Dear Sir I am sending herewith the sample I wrote you about last week. It is an improvement in radiator construction. I am… | ||
| Scan020 | Letter proposing a business partnership regarding patenting costs and royalties for a car. | ||
| View original record | can adopt. the idea I will take it up & pay expenses of Patenting it in other Countries & allow One 50% of all royalties I shall be satisfied or would entertain an offer to sell right out. I hear that… | ||
| Scan021 | Rejection letter for a submitted model of a radiator. | ||
| View original record | X4607. HS/RmS/LG. 15th. Sept. 1925. 24, Baxter Rd., Custom House, London E.16. Dear Mr. Down, We are returning to you your small model of a Radiator. We regret that we are unable to see any… | ||
| Scan022 | The dispatch of a small radiator matrix model to the stores for examination and subsequent return. | ||
| View original record | To BP. from Hs/Rm. c. to Mr. Chatwin. X4607. Hs/Rm4/LG15.9.25. We are sending into the Stores :- 1 small model of radiator matrix - to be returned to E. Down Esq., 24, Baxter Rd., Custom House, London… | ||
| Scan023 | Washing of a radiator and a suggestion to analyse the water used. | ||
| View original record | DESCRIPTION OF PART 2. ------- indicates that the radiator was washed satisfactorily before leaving the works. It might also be advantageous to analyse a sample.of the water used in the radiator. HL. | ||
| Scan024 | Laboratory report detailing the analysis of severe corrosion found in a radiator after only four months of service. | ||
| View original record | K4516. am/NRC. H15/EA6.5.29. Laboratory. c to Bv. Report No. L1501. Re Radiator Corrosion. We have analysed the sample of the corrosion products taken from the radiator which was badly corroded. The… | ||
| Scan025 | Typed memo responding to suggestions regarding valve noise and asbestos grummets. | ||
| View original record | OY. from Hs/Rm. X4516. Hs/Rm2/LG10.6.29. Many thanks for yours of the 29th.May. You have given us two good points : (1) Valve noise due to local hot spot in the head. (2) Asbestos grummets in place of… | ||
| Scan026 | Letter detailing engine cooling performance of car 21EX on mountain passes. | ||
| View original record | HOTEL MAJESTIC GRENOBLE RECEIVED JUL 1929 WOP Meme Direction AUTUN Hotel St. Louis et de la Poste BOURG-EN-BRESSE Hotel de France SAULIEU Hotel de la Poste A. BONNEAU Directeur-General Meme… | ||
| Scan027 | Letter arranging the completion and delivery of parts, with personal notes. | ||
| View original record | 3 which you were good enough to put through for me, are not already done, do please have them finished so that the parts can be delivered at my house 113 Ladbroke Road W.11 if possible on Thursday but… | ||
| Scan028 | Letter discussing car performance issues like temperature rise and brake ineffectiveness. | ||
| View original record | doesn't worry me for the rise of temp: would probably be the result of pushing the car to an uncomfortable degree to which an owner would object. The car is running very well generally and apart from… | ||
| Scan029 | Inferior quality of ferobestos liners for production radiator mountings. | ||
| View original record | X4516. To Hs. from RHC. c.c. to BY. RHC3/BE16.7.29. The quality of the ferobestos liners which have been supplied for the production radiator mounting seems much inferior to that used on experimental… | ||
| Scan030 | Directive to implement a new hydraulic resistance test for radiators following complaints of them becoming choked. | ||
| View original record | To EPR. from Ry. AMH. Mac. Hm. [Struck through] Hs. and EJJ. x1066 RE RADIATORS. Owing to the recent complaints regarding Radiators becoming choked and restricting the water circulation, it has been… | ||
| Scan031 | Procedure for testing and cleaning choked radiators for CL Series vehicles and onwards. | ||
| View original record | X1066. W/N. W/P. c to Hs. c to C. c to Mx. Hm19/MW26.7.29. re CHOKED RADIATORS CL. SERIES & ONWARDS. Pending further information on this matter we recommend the following test on all cars which come… | ||
| Scan032 | Procedure for cleaning choked radiators using a caustic solution. | ||
| View original record | Choked radiators. -2- Hm19/MW26.7.29. When the radiator is empty, inject water into the bottom tank so that the sediment is washed out through the top tank water pipe. Then remove the filler cap and… | ||
| Scan033 | Requesting an order for new special radiator tubes with increased water space to fit 50 chassis. | ||
| View original record | ROY. C. Hs. X1066 BY/EM10/K. 26. 7. 29. SPECIAL RADIATOR TUBES. The Experimental Dept. inform us that they wish to have sufficient of the new type of radiator tubes giving an increased water space to… | ||
| Scan034 | Trials on modified radiator tubes to increase water space and a proposal for a new design. | ||
| View original record | WOR X1066 c. Hs. c. ROY/Ms. 'BY1/G.8.8.29. RADIATORS. The Experimental Department have tried out the modified radiator tubesgiving increased water spaces, and they are satisfied that the alteration to… | ||
| Scan035 | Query regarding the confirmation to order radiators with 5 5/8 x 7 m/m tubes for FB2 series cars without further testing or standardisation sheets. | ||
| View original record | Hs/Rm. C. to Wor. (crossed out) C. to EY. (crossed out) X1066. Hm14/W12.8.29. Radiators. Hs/Rm3/Bv7.8.29. We shall be glad if you will confirm or otherwise that we shall be in order in making up… | ||
| Scan036 | To increase the order of new type tubes for J.2 series radiators to cover all series. | ||
| View original record | O.O. Sfg. (crossed out) BY/CS. (crossed out) c. Hs. Y1066 BY/G.13.8.29. J.2 SERIES - RADIATOR. ---------------------- So far we have only ordered 50 sets of the new type tubes for the production of… | ||
| Scan037 | Methods for cleaning and preventing corrosion in radiators. | ||
| View original record | X1066 c to Wor. c to Hs: H14/EA13.8.29. Laboratory. Re Blocking of Radiators. A comparison of methods of cleaning radiators when they become blocked or dirty, indicate that a very weak solution of… | ||
| Scan038 | Impact of increasing water space between radiator tubes. | ||
| View original record | HS. from DA. +4516 DA2/M13.8.29. X.1066 RADIATORS. With reference to the question of the water space between the radiator tubes, increasing this in the manner suggested does of course reduce the… | ||
| Scan039 | Cover letter sending advance information regarding the cleaning of radiators. | ||
| View original record | To Ps. Paris. From Hs/Rm. X4576. Hs/Rm.5/MJ.14.8.29. x7250. x4576. I send you herewith information on cleaning radiators, which will be circulated as Depot Sheet in due course. We are however, anxious… | ||
| Scan040 | Depot sheet detailing the cause and remedy for restricted water circulation in radiators. | ||
| View original record | To Hm. from Hs/Rn. Depot sheet. RESTRICTED WATER CIRCULATION. Examination of radiators from recent series cars that have suffered from over-heating indicates that the obstruction is almost entirely… | ||
| Scan041 | Radiator obstruction, comparing aluminium to cast iron, and detailing a cleaning procedure. | ||
| View original record | -2- that a similar obstruction of the top tubes takes place in a longer period of time; so that these can also be treated with advantage to reduce over-heating. If clearing the radiators in of… | ||
| Scan042 | Radiator restriction tests comparing water flow through various radiator types and components. | ||
| View original record | RADIATOR RESTRICTION TESTS: A tank of 20 gal. capacity supplied water to the radiator from a head of 3 ft. 6 ins above the top of the matrix. (See Sketch.) The quantity of water delivered direct… | ||
| Scan043 | Blueprint of a Radiator Test Rig. | ||
| View original record | REPLENISHING SUPPLY FROM THE MAIN. 1 3/16 BORE. 3'6" TOP OF MATRIX 5'0" 1 3/16 BORE. RADIATOR TEST RIG. | ||
| Scan044 | Cover page with a Print Room date stamp. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM, 14 AUG 1929 DERBY. | ||
| Scan045 | Blueprint showing radiator matrix and tube dimensions for various models. | ||
| View original record | RADIATOR MATRIX AND TUBE DIMENSIONS DIAGRAM LABELS: MATRIX, A, B, C, D, E TABLE DATA: INDEX | S.S E.77675 | STANDARD PHANTOM F.77644 | EARLY PHANTOM E.73892 | BUMP ? | E 77047 10 EX. A | 24.0" |… | ||
| Scan046 | Depot sheet detailing the cause and remedy for restricted water circulation in radiators due to clay-like deposits. | ||
| View original record | To Fha. from Hs/Rn. Depot sheet. RESTRICTED WATER CIRCULATION. ----------- Examination of radiators from recent series cars that have suffered from over-heating indicates that the obstruction is… | ||
| Scan047 | Radiator obstruction, corrosion in aluminum heads, and cleaning methods. | ||
| View original record | -2- that a similar obstruction of the top tubes takes place in a longer period of time; so that these can also be treated with advantage to reduce over-heating. If clearing the radiators of aluminium… | ||
| Scan048 | Radiator restriction tests comparing water flow through various models. | ||
| View original record | RADIATOR RESTRICTION TESTS: A tank of 20 gal. capacity supplied water to the radiator from a head of 3 ft. 6 ins above the top of the matrix. (See Sketch.) The quantity of water delivered direct… | ||
| Scan049 | Experiments on radiator corrosion and the conclusions drawn from the tests. | ||
| View original record | X1066. By. Hs. H15/FA16.8.29. Laboratory. Wgr. RADIATOR CORROSION. We attach details of experiments on the corrosion of radiators and the results obtained. The most important conclusions that can be… | ||
| Scan050 | List of tests applied during radiator corrosion experiments. | ||
| View original record | RADIATOR CORROSION EXPERIMENTS. The following is a list of the tests applied. In all cases tap water was used for making the solutions in which the various materials were immersed, also, in all cases,… | ||
| Scan051 | List of particulars for a series of radiator corrosion experiments. | ||
| View original record | RADIATOR CORROSION EXPERIMENTS (Cont.). Test No. Particulars of Test. 31 T50L in water. (after treatment as per Bauer-Vogel) 32 Piston Metal as 31. 33 T50L in water. (after treatment as per Guertler)… | ||
| Scan052 | Results of radiator corrosion experiments in a table format. | ||
| View original record | RESULTS OF RADIATOR CORROSION EXPERIMENTS. Test No. | Depth of Sediment on Vessel Bottom. | Condition of Materials --- | --- | --- | | Cast Iron | Aluminium. | Radiator Tubes. 1 | 3/16" | Rusty | Good… | ||
| Scan053 | Table detailing the results of radiator corrosion experiments on different materials. | ||
| View original record | (cont.) RESULTS OF RADIATOR CORROSION EXPERIMENTS. Test No. Depth of Sediment on vessel bottom. Condition of Materials. Cast Iron. Aluminium. Radiator Tubes. 15 -------- Fairly good except Good. Heavy… | ||
| Scan054 | Table detailing the results of radiator corrosion experiments. | ||
| View original record | (cont.) 16.8.29. RESULTS OF RADIATOR CORROSION EXPERIMENTS. Test No. Depth of Sediment on vessel bottom. Condition of Materials. Cast Iron. Aluminium. Radiator Tubes. 29 1/16" -------- -------- Bright… | ||
| Scan055 | The supply and allocation of radiator tubes for experimental and production radiators. | ||
| View original record | To. Roy. c. Brs. c. Hs. c. TMO. Y1066 BY/Cgnl3/N.22.8.29. With reference to Roy14/MG.21.8.29, the 30,000 radiator tubes which have been supplied by Messrs.Kynoch Ltd., E.79448 and 500 tubes to E.79449… | ||
| Scan056 | Requesting an update on the current position regarding the fitting of a tapered radiator. | ||
| View original record | X1066 To Hs. from Sg. re Bonnets and Radiators. Sg1/E23.8.29 Referring to my Sg4/D29.7.29 would you kindly let me know what is the position now as regards the firm fitting up of a tapered radiator?… | ||
| Scan057 | Design points for bonnets and radiators, including fitting a tapered radiator to a Phantom. | ||
| View original record | S/W. To Hs. from Sg. Hs re Bonnets & Radiators. Some little time ago, arising out of the suggestion I made, R. agreed to let West Wittering get out some designs of bonnets and radiators, the points to… | ||
| Scan058 | Recommendations to prevent radiator blockages using distilled water and sodium phosphate. | ||
| View original record | x4516. Wor. c. to Hm. c. to Hs. BY1/G. 26. 8. 29. X. 766 X.1066 RADIATORS. --------- Referring to C17/C13. 8. 29. with attached papers which I return herewith, since receiving the memo in question on… | ||
| Scan059 | Procedure for cleaning a completely or partially blocked radiator using caustic soda and an air blast. | ||
| View original record | -2- (1) For a complete blockage the radiator should be dismantled from the chassis, turned upside down and filled with a 5% solution of caustic soda. This solution should be filled in hot, and the… | ||
| Scan060 | Proposal for a new cooling system maintenance procedure using sodium phosphate and a plan to circulate a pamphlet to owners. | ||
| View original record | -3- previous instructions to the extent of recommending the addition of 1 1/4 ozs. of sodium phosphate to the water system after the radiator had been thoroughly cleaned by the method previously… | ||
| Scan061 | Challenges of fitting a new radiator and bonnet to an experimental chassis. | ||
| View original record | Y1066. #3/RMv To DA/BV from Sge [Struck through] Copy to Hs/Rm. re Bonnets and Radiators. Sg22/E29.8.29 x1066. x385 Referring to Hs/Rm.3/MJ.27.8.29 and former corres-pondence on this subject, would… | ||
| Scan062 | Objections to a proposed procedure for radiators, with the discussion deferred until after the Schneider Cup. | ||
| View original record | To C.: from Wor. [C. is struck through] To Hs. " X1066. Wor3/T.5.9.29. ---------------- I attach a copy of memo received from C., from which you will see he and Sg. object to the proposed procedure re… | ||
| Scan063 | Customer inconvenience and damage caused by radiator design, particularly the need for distilled water and overheating issues. | ||
| View original record | Copy. S/W. To Wor. from C. C.12/D30.8.29. Re Radiators. Your Wor6/H28.8.29, enclosing copy of BX1/G28.8.29. Sg. and I have discussed this matter and we do not like at all the idea of having to advise… | ||
| Scan064 | Ongoing issues with car radiators, customer complaints of overheating, and proposed solutions. | ||
| View original record | Not sent out. V4516. To DA. from Hs/Rn. Hs/Rn.1/MJ.27.9.29. X4516. V7250- RADIATORS. ---------- We are not altogether satisfied with the radiator position. Reports from cars in service are so… | ||
| Scan065 | Radiator design alteration due to corrosion from aluminium cylinder heads and test results on new tubes. | ||
| View original record | -2- Morris. As soon as we have established that the aluminium head is the main cause of the trouble due to the increased in electrolytic action which it promotes it appears to hasten corrosion, we… | ||
| Scan066 | Precautions necessary for producing Staybrite radiators to prevent leaking. | ||
| View original record | BY/GS. X4516 Hs. e. Wor. e. Sir Wm. Smith. e. RHC. BY11/G/14.10.29. STAYBRITE RADIATORS. ------------------- In producing these radiators it will be necessary to take the following precautions :- 1/-… | ||
| Scan067 | Tests to determine the optimal restriction for a radiator outlet pipe to maintain cooling efficiency. | ||
| View original record | X451b. LOSS OF WATER FROM RADIATORS. x7280 x766 x4516 Tests were carried out to determine what restriction could be put in the outlet pipe from the cylinder block without impairing the cooling… | ||
| Scan068 | Use and production of Staybrite and chromium finishes for radiators and bonnet fittings. | ||
| View original record | Hs. C. Wor. C. Hv. X4816. BY6/G.15.10.29. STAYBRITE AND CHROMIUM FINISH. Referring to Hs4/AD.14.10.29, our memo of yesterday's date (ref. BY11/G.14.10.29) defined clearly and accurately our attitude… | ||
| Scan069 | Cover note regarding a translated letter from the Cozette Company, seeking instructions on how to respond. | ||
| View original record | X4607. F13/AV/JL.16.10.29. A Copy to Mr. G. Mr. Or. Mr. Hs. Attached is a rough translation of a letter received from the Cozette Company in France, addressed to the Gallay Radiator Company. May I… | ||
| Scan070 | Translated letter from Cozette in Paris to Gallay Radiators regarding supercharging an engine. | ||
| View original record | X4607 TRANSLATION. From Messrs. Cozette, Paris. To Messrs. Gallay Radiators, Willesden. 11.10.29. Dear Sirs, In reply to your letter of the 8th October concerning Messrs. Rolls-Royce, we would ask you… | ||
| Scan071 | Preferred radiator tube scheme for the 40/50 HP chassis. | ||
| View original record | E. Dept. c. Hs. c. ROY/Ms. RADIATORS - 40/50 HP. CHASSIS. Please note that the Experimental Department after carefully testing out the scheme have decided that they prefer the intermediate scheme… | ||
| Scan072 | Trouble with Staybrite steel radiators and the despatch of car GXO-46. | ||
| View original record | X4516. Hs. c. Mr. c. Hft. c. WBP. re. STAYBRITE STEEL RADIATORS. With reference to our telephone conversation yesterday, considerable trouble has been experienced in getting satisfactory Staybrite… | ||
| Scan073 | Radiator boiling issue on a Phantom car and the challenges in diagnosing it. | ||
| View original record | To Sg. from Hs. c. Wor. X.4516- Hsl/AD26.10.29. PHANTOM RADIATOR ON MR. SHORT'S CAR. Replying to SG1c/E25.10.29. We should expect that on a car with the radiator partially stopped that the boiling… | ||
| Scan074 | Analysis of the causes and composition of sludge build-up in car radiators, with a proposed preventative heat treatment. | ||
| View original record | x4516. H11/EJW. 26.10.29. Laboratory. RE. BLOCKING OF CAR RADIATORS. The sludge that accumulates between the radiator tubes has the approximate composition :- Hydrated oxide of iron .................… | ||
| Scan075 | Treatments for cylinder blocks and radiators to prevent corrosion and improve performance. | ||
| View original record | -2- Such a treatment given to cylinder blocks would be an advantage rather than otherwise, from several standpoints; for instance, it would tend to remove casting stresses without materially affecting… | ||
| Scan076 | The causes of car radiator blockage due to oxidation and sediment formation. | ||
| View original record | X4516. Laboratory. ag. c to R. c to Wer. c to BY. c to Hs. H11/E.W./2.11.29. RE. BLOCKING OF CAR RADIATORS. (Further to my note: H11/E.W./26.10.29.) The bulk of the sediment which collects in the… | ||
| Scan077 | Radiator filter being fitted to the 23-EX test car along with automatic shutters. | ||
| View original record | X456 To Sg. From Hs. c. to Wor. Hs.2/MJ.17.12.29. RADIATOR FILTER. Replying to Sg23/E16.12.29. A scheme of filter in the radiator has been built into the same radiator as the automatic shutter… | ||
| Scan078 | Suggested amendment to Depot Sheet 118 regarding overheating and water treatment. | ||
| View original record | X. 4516. To Hm. from Hs/Rm. Hs/Rm3/AD9.11.29. With reference to Depot Sheet 118. we suggest that in order to avoid unnecessary expenditure the Depot Sheet might read - Paragraph 2. "In cases that are… | ||
| Scan079 | Amended Depot Sheet, clarifying how to differentiate between chronic and mild cases of choked radiators based on mileage. | ||
| View original record | Hs. x4516, Hm/SB9/KW11.11.29. Re Depot Sheet No. Hm.118. We have amended the above Depot Sheet to meet, as far as possible, the remarks on the Agreement Form. The question of differentiating between… | ||
| Scan080 | Depot sheet outlining ongoing investigations into preventing corrosion, water loss, and cleaning engine components. | ||
| View original record | To Hm. from Hs/Rn. x4516 Hs/Rn7/ADL8.11.29. DEPOT SHEET Hm.118. Reference to Hm/SB9/KW11.11.29. This sheet embodies all the information at our disposal at present. We are still working on the subject,… | ||
| Scan081 | Laboratory report on the analysis and effects of reusing different types of glycerin in radiator systems. | ||
| View original record | Hs/Rm. H12/HEG20/11/29. X4516. Laboratory. Re use of Glycerin in Radiator Systems. Pure Glycerin. Boiling Point 290°C Sample of Glycerin in Laboratory, supposed pure. Boiling Point 210°C, rising to… | ||
| Scan082 | The properties and risks of using glycerin, specifically its effect on metallic compounds, aluminium, and radiator solder. | ||
| View original record | 2. Glycerin has one remarkable property, in that it is able to dissolve a number of metallic compounds. It will dissolve iron oxide in the presence of caustic soda, but at the strength of caustic soda… | ||
| Scan083 | The difficulty in obtaining choked radiator matrixes for testing and requesting authority over the issue to prevent further costs. | ||
| View original record | X4516 To Sft. From Hs/Rm. Hs/Rm. 2/22.11.29. We are unable to get hold of any examples of choked radiator matrixes. These are invaluable to us for trying to eliminate the trouble on cars. The most… | ||
| Scan084 | Calling for an urgent conference to discuss problems with the blocking up of radiators. | ||
| View original record | Hs. o. H. c. Hm. o. Sft. X4516. BY5/G. 22.11.29. We wish to have a Conference on Monday at 9.30 in my office to consider the whole question of the blocking up of radiators, and any other troubles… | ||
| Scan085 | Causes and potential solutions for radiator blockage, involving water chemistry and material compatibility. | ||
| View original record | HS.) From R. Hl.) c. to Sg. By. X4516. R.1/M22.11.29. X.4516. BLOCKING OF RADIATORS. Is it sodium sulphate, and how much for 40/50 per charge?. I think that the trouble is due to vegetable acid (peat… | ||
| Scan086 | Sending a sketch for a new, cleanable car radiator design for testing. | ||
| View original record | E. DA.) FROM R. HS. BY.) COPY. X4516 R.1/M25.11.29. C. Sg. Wor. c. C. CAR RADIATORS. X. 8250 X. 7250 X. 5250 X. 4516 I am sending you a sketch of another way of building up a radiator for test, in… | ||
| Scan087 | Preventing radiator corrosion using sodium phosphate, analyzing its effects on various water types and engine materials. | ||
| View original record | To. Hs. x4516. C-to Sq. Bv. H13/EA27.11.29. Laboratory. Re Blocking of Radiators - Your Ref. R1/M22.11.29. - Further to my notes H11/EJW.26.10.29. and H11/EJW./2.11.29. Sodium phosphate as a dry… | ||
| Scan088 | Aluminium alloy corrosion, the effects of zinc, and cadmium plating for protection. | ||
| View original record | 2. since the amount of sludge should be much reduced by its use. The 8% copper aluminium alloy is more susceptible to local corrosion than RR5OL so that the aluminium in the sludge will be much… | ||
| Scan089 | Ordering anhydrous di-sodium hydrogen phosphate tablets to address radiator troubles. | ||
| View original record | X4516 EY. c to Hs. H11/EWW.28.11.29. Laboratory. RE. RADIATOR TROUBLES. A sample gross of anhydrous di-sodium hydrogen phosphate tablets (Na2HPO4) has been ordered for use in the radiator. These… | ||
| Scan090 | Inspection report on the overuse of Sodium Phosphate in car radiators, detailing issues with water loss and frothing. | ||
| View original record | BY Cr. Wor. C. E. C. Hs. C. JLE. X4576. EPI/H2.12.29. JUN 2 1929 re. Use of Sodium Phosphate in Radiators - Mr.Short's Car. As requested by C. I inspected Mr. Short's car at London. The car had been… | ||
| Scan091 | Radiator splashing issue on a car, even with a low water level. | ||
| View original record | - 2 - EP1/H2.12.29. This was not so on Mr. Short's car. Splash from the top of radiator took place when engine running, in spite of low water level. This splash ceases if frothing takes place. This… | ||
| Scan092 | Advising against the use of Sodium Phosphate in radiators on customers' cars. | ||
| View original record | X4516. To R. From Hs. c. to SS. BDr. c. to K. Da. c. to Sy. ---------------- Hs.R/MJ.2.12.29. ---------------- X4516 SODIUM PHOSPHATE IN RADIATORS. ************ We find that if we get any excess… | ||
| Scan093 | The decision to not recommend the use of sodium phosphate due to a tendency to cause priming. | ||
| View original record | HS [STAMP: RECEIVED 1929] HH. c. Hs. c. BL. c. HP. X4516 BY23/G. 3.12.29. USE OF SODIUM PHOSPHATE Na₂H P O₄. --------------------- Please note that it has been decided that in view of the tendency to… | ||
| Scan094 | Radiator blocking, proposing modifications to the use of sodium phosphate as a corrosion inhibitor. | ||
| View original record | X4516 Hy. Hs. [text struck through] H12/EA3.12.29. Laboratory. Re Blocking of Radiators. It was not considered likely that the addition of 1 1/2 ozs., (equivalent to about 0.1%) of sodium phosphate… | ||
| Scan095 | Discontinuation of the use of Sodium Phosphate. | ||
| View original record | X4516. BY c. Hs. MX. Hm. JLE. EP6/H4.12.29. re. USE OF SODIUM PHOSPHATE, Na₂H P O₄. With reference to your memo. BY23/G3.12.29. copies attached for Hm. and JLE., we take it that whatever action was… | ||
| Scan096 | Outlining an experimental process for protecting cylinder block water jackets by oxidation. | ||
| View original record | Hs/Rm. [strikethrough]for PHS.[/strikethrough] H12/4.12.29. X4516. Laboratory. Re. Protection by oxidation of Cylinder Block water jacket. The oxidised surface layer should be produced experimentally… | ||
| Scan097 | Methods and modifications for chromium plating radiators. | ||
| View original record | X4816 BY. ) FROM R. HS ) Copy to SG. WOR. HY. RADIATORS - CHROMIUM PLATING. Lec. 2769. Continuing R1/M4.12.29., we now send you If we manage to finish the soldering leaving off the side plates, and… | ||
| Scan098 | Recommending a change to the red warning lamp operation on the Phantom II to prevent water loss from boiling. | ||
| View original record | X4516. To Ev. From Hs/Rm. c. to Sales. HS/Rm5/MJ.7.12.29. x4516 x7250. We have recently come to the conclusion that radiator silting up is aggravated if the car is run with the top row of tubes above… | ||
| Scan099 | Progress report on the chromium plating job, comparing the quality and promises of the Chromo Process Syndicate versus Canning's system. | ||
| View original record | X4516. TO R. FROM HY. Copy to Ser. Mor. Sir Hs. HY3/T.11.12.29. PROGRESS ON CHROMIUM PLATING. I thought that before you go away you would like to know exactly how we stand on the Chromium Plating job.… | ||
| Scan100 | Practicalities of chromium plating on radiators, comparing a double plating process on brass sheet to direct plating on nickel silver. | ||
| View original record | Worr. c. Hs. c. E.S. X46516. BY9/G.17.12.29. CHROMIUM PLATING. ----------------- Referring to R1/W7.12.29. I do not consider that it is a practicable job to plate the radiator top after soldering the… | ||
| Scan101 | Mr. Royce's proposed scheme for chromium plating 40/50 HP radiators. | ||
| View original record | [Strikethrough] DV/CS [/Strikethrough] [Strikethrough] DV/CS [/Strikethrough] c. Hs. [Strikethrough] c. RHof [/Strikethrough] +4516 BY/10/G.17.12.29. CHROMIUM PLATING. Whilst we do not consider Mr.… | ||
| Scan102 | Practice of chromium plating on brass versus nickel silver. | ||
| View original record | Sft. [crossed out] c. to By. [crossed out] c. to Hy. [crossed out] c. to Hs. X4516. ROY/MS1/P.17.12.29. CHROMIUM PLATING. We attach copy of letter received this morning from Messrs Harcourts Ltd. A… | ||
| Scan103 | Letter from Harcourts Limited regarding difficulties and price increases for chromium plating brass radiator shells. | ||
| View original record | COPY. ========= Messrs Rolls-Royce Ltd., DERBY. ======== 16th December 1929. Dear Sirs, ORDER NO/F.32244. WO/F.32245. We are returning to you per passenger train today two Brass Radiator Shells, sent… | ||
| Scan104 | Issues with cylinder head tubes and the discontinuation of Sodium Phosphate in the cooling system due to water frothing. | ||
| View original record | X4516. To Ps. From Hs/Rm. Hs/Rm.5/MJ.1.1.30. CYLINDER HEAD TUBES. X4516. X7250. We are sorry that you have had trouble with the cylinder head tubes, and agree that the condition of those which you… | ||
| Scan105 | Water loss and cylinder head tube trouble on chassis 56-WR, likely caused by excessive Sodium Phosphate. | ||
| View original record | To Ps. From Hs/Rn. c.c. to Hl. X 4516 Hs/Rn.G/MJ.1.1.30. X4516 /7250 We have just turned up your note Ps3/RJ4.10.29., referring to chassis 56-WR. H. Mills. We think this is clearly a case of loss of… | ||
| Scan106 | Tests conducted on water pump cavitation for radiators. | ||
| View original record | X4516 To R. from HS/Rm. c. to Sg. Wor. c. to E. Da. c. to Ey. Rg. c. to Lr. HS/Rm3/MJ10.1.30. X5250 X7250 X4516 X766. RADIATORS. With reference to R11/M16.12.29. We have carried out a number of tests… | ||
| Scan107 | Analysis of water circulation in a radiator, focusing on cavitation, hydraulic restriction, and maximum flow. | ||
| View original record | -2- Hs/Rm3/MJ10.1.30 contd. appertained at the point before cavitation started. In agreement with this, the depression on the suction side of the pump also remains constant. The cycle appears to be… | ||
| Scan108 | The performance of a large gap radiator, comparing it to previous models and detailing tests on water pump flow restrictions. | ||
| View original record | -3- Hs/Rm3/MJ10.1.30 contd. present standard S.S. large gap radiator. In considering this it must be borne in mind that the drop across the radiator is about 10°C, and that therefore the highest… | ||
| Scan109 | Radiator circulation issues, back pressure, and observations of water loss from choked radiators. | ||
| View original record | -4- Hs/Rm3/MJ10.1.30 contd. standard (Graph 4 and 1 Hs/AJL1.9.1.30). These show that the circulation cannot be reduced very much. They also show than any such restriction must not be put on the far… | ||
| Scan110 | Summary of results regarding radiator and cooling system performance, including comparisons with Chrysler and potential improvements for the Phantom II. | ||
| View original record | Hs/Rm3/MJ10.1.30 contd. -5- at the rear of the top tank (See sketch). We attach a list of radiator weights. The CHRYSLER succeed in cooling their car with a very small matrix, but nevertheless our own… | ||
| Scan111 | Comparison table of radiator specifications for various car models. | ||
| View original record | RADIATOR. Series & Piece No. | Tube Dimensions & Piece No. | Hydraulic Resistance on Rig Time for 60 galls. | Wt. Rad. Empty. | Wt. Rad. Full. V. Series E73892/3. | E.18491, 8 - 7 mm. | 100 secs. |… | ||
| Scan112 | Test procedure document for vehicle radiators. | ||
| View original record | X4576 GWH. From Hs/Rn. Hs/Rn.3/MW.21.1.30. RADIATOR TESTS. (1) Fill radiator to steam pipes at 95°C then extract 6 cu.ins. of water. Run five miles 40 - 50 miles per hour third with water at 90°C and… | ||
| Scan113 | Diagrammatic views of all radiator suspensions used on 40/50 HP cars. | ||
| View original record | Top Row, Left to Right: Diagram 1: SERIES 539 TO 791 18" RADIATOR ARRT DRG 171 Dimensions: 18.500, 18", 3.250, 2.250" Diagram 2: SERIES 919 TO 1015 20" RADIATOR ARRT DRG 258. Dimensions: 19.500, 20",… | ||
| Scan114 | Radiator dimensions, cooling performance, and the effects of bonnet ventilation. | ||
| View original record | 14516 To Lr. From Hs/Rm. Hs/Rm.1/WJ.4.2.30. FRONTAL AREA, COOLING SURFACE, TUBE LENGTH & DIAMETER. X7250 X4516 We have had various frontal areas at different times and the attached sheet shews some… | ||
| Scan115 | Issue of radiator jellying on the 40/50 model and proposing a solution with a Diabolo rubber support. | ||
| View original record | k4516. BY. From Hs/Rn. c. to Wor. Hs/Rn. 2/MJ. 5.2.30. A 7940 x 7250 + 4516 RADIATOR JELLYING 40/50. We believe that the Diabolo rubber radiator support will help us to reduce this trouble, as the… | ||
| Scan116 | Letter from W. Canning & Co Ltd regarding a plating solution and proposing a new 'Forward' Plating Barrel complete with an estimate. | ||
| View original record | X4516. CONTRACTORS TO H.M. GOVERNMENT Established 1785 London Office, Showroom & Warehouse 77 ST JOHN STREET, CLERKENWELL, E.C.1. TELEPHONE: CLERKENWELL 1421, 1422, 8755. TELEGRAMS: NICKELATOR SMITH… | ||
| Scan117 | Tender from W. Canning & Co Ltd for electro-plating plant and materials. | ||
| View original record | TENDER CONTRACTORS TO H.M. GOVERNMENT Established 1785 Telegrams: "MATERIALS" 'PHONE' BIRMINGHAM" Telephone: CENTRAL 3622 (PRIVATE BRANCH) CODES: LIEBERS, STANDARD & 5 LETTER A.B.C. 4th, 5th & 6th… | ||
| Scan118 | Continuation page of a quotation from W. Canning & Co Ltd for nickel hooks and a clock face. | ||
| View original record | W CANNING & Co LTD BIRMINGHAM & LONDON Continued......... 20 Nickel Hooks. 1 Clock face. £66. 0. 0. The space occupied by the "Forward" Barrel is 5' x 3'6". To allow the anode rod covers to be swung… | ||
| Scan119 | Blueprint diagram of a radiator test rig with dimensions and test results. | ||
| View original record | FILE UNDER RADIATORS HS. 257 RADIATOR TEST RIG. 9-1-30 OUTSIDE TANK DIMENSIONS 48" x 42" x 24.5" OVERFLOW PIPE 132" 110.5" 24.5" 2.75" 32" S.S. RAD: CHRYSLER RAD. TIME 60 GALLS. = 2 MIN 2 SECS N.B.… | ||
| Scan120 | Experiments with Ethylene Glycol to reduce radiator corrosion in Phantom II and Trials cars. | ||
| View original record | To C. From Hs/Rm. c. to Hm. X 4516. Hs/Rm.2/MJ.25.2.30. X4516 X/435 966 RADIATOR CORROSION. In a recent Depot Sheet we recommended Ethylene Glycol as an anti-freezing compound. Further experiments… | ||
| Scan121 | Instructions on the use of Ethylene Glycol in a car's cooling system to prevent corrosion and freezing. | ||
| View original record | To C. From Hs/Rm. X4516. 3 Hs/Rn.1/WJ.8.3.30. x 4516 x 1485 RADIATOR CORROSION. With reference to C19/C28.2.30. The test using Ethylene Glycol merely consists of running a car about with this… | ||
| Scan122 | Paper on radiator efficiency and a new chassis testing plant. | ||
| View original record | x4516 Rg. Hs. Mx. C. Wor. RE EFFICIENCY OF RADIATOR. Professor Dalby has written a paper dealing with heat transmission and the motor car radiator which was given before the Institute of Civil… | ||
| Scan123 | Letter from Gallay Radiator Co. Ltd. offering a free sample of their patent tube block system for testing purposes. | ||
| View original record | LONDON. PARIS. GENEVA. TURIN. CONTRACTORS TO H.M. WAR OFFICE AND ADMIRALTY. GALLAY RADIATOR CO., LTD. RADIATOR MANUFACTURERS FOR MESSRS. BENTLEY, CITROEN, TALBOT, LANCIA, FIAT, ROVER, LEA-FRANCIS,… | ||
| Scan124 | Letter from Gallay Radiator Co. Ltd. enclosing a previously omitted Royal Aircraft Factory Report. | ||
| View original record | LONDON. PARIS. GENEVA. TURIN. CONTRACTORS TO H.M. WAR OFFICE AND ADMIRALTY. GALLAY RADIATOR CO., LTD. RADIATOR MANUFACTURERS FOR MESSRS BENTLEY. CITROEN. TALBOT. LANCIA. FIAT. ROVER. LEA FRANCIS.… | ||
| Scan125 | Synopsis of a report comparing the performance of a Gallay radiator section against a round tube type for automobile and aero use. | ||
| View original record | SYNOPSIS OF ATTACHED REPORT. 1. It will be noted that the Gallay radiator section submitted is 15% better than the 7 m/m x 100 m/m round tube (which up to that period had been found the most… | ||
| Scan126 | Wind tunnel tests of Gallay radiators for a 200 HP Hispano Suiza Engine on a 'Dolphin' machine. | ||
| View original record | ROYAL AIRCRAFT FACTORY REPORT E 1072. SUBJECT. Test on Gallay Radiators as fitted to 200 h.p. Hispano Suiza Engine on "Dolphin" Machine. SUMMARY. Wind Tunnel tests have been made on two Gallay side… | ||
| Scan127 | Comparison table of radiator/cooler specifications for different configurations. | ||
| View original record | E 1072. Gallay 7 x 100 m/m 10 x 120 m/m 10 x 120 m/m with hex end Frontal area per 100 h.p. sq. ft. 2.44 3.03 3.18 3.18 Wt. empty per 100 h.p. 34.2 41.4 39.0 38.0 Wt. full per 100 h.p. 57.0 66.4 69.0… | ||
| Scan128 | Letter to The Gallay Radiator Co. Ltd. requesting a sample section of a radiator matrix for testing. | ||
| View original record | X. Hs/Rml/AD. 29th August, 1930. The Gallay Radiator Co.Ltd. 103/105, Scrubbs Lane, Willesden, London, N.W.10. Dear Sirs, We thank you for your letters ref. LTD/DLD. of the 27th and 28th inst. in… | ||
| Scan129 | Request to Gallay Radiator Co Ltd for a sample section of a radiator matrix. | ||
| View original record | Hlg. 29.8.20 GALLAY RADIATOR CO LTD 103/105 SCRUBBS LANE WILLESDEN. N.W.10. PLEASE SEND SMALL SAMPLE SECTION OF RADIATOR MATRIX ABOUT FOUR INCHES DEEP. FRONT TO REAR. ROYCAR. | ||
| Scan130 | Letter from Gallay Radiator Co. Ltd. about forwarding two sample 4-inch sections and proposing to fit a sample block to a radiator. | ||
| View original record | Y4607 LONDON. PARIS. GENEVA. TURIN. CONTRACTORS TO H.M. WAR OFFICE AND ADMIRALTY. GALLAY RADIATOR CO., LTD. RADIATOR MANUFACTURERS FOR MESSRS BENTLEY. CITROEN. TALBOT. LANCIA. FIAT. ROVER. LEA… | ||
| Scan131 | Letter from Gallay Radiator Co. Ltd. regarding the strength and testing of their radiator systems. | ||
| View original record | V4607 LONDON. PARIS. GENEVA. TURIN. CONTRACTORS TO H.M.WAR OFFICE AND ADMIRALTY. GALLAY RADIATOR CO., LTD. RADIATOR MANUFACTURERS FOR MESSRS BENTLEY, CITROEN, TALBOT, LANCIA, FIAT, ROVER, LEA FRANCIS,… | ||
| Scan132 | Requesting the despatch of a radiator for modification by Gallay Radiator Co. Ltd. | ||
| View original record | RHC. From Hs/Rm. X4607 Hs/Rm.3/MJ.1.9.30. Will you please despatch the radiator now in the Stores, fitted with 6 - 7½ m.m. tubes, to Messrs. Gallay Radiator Co. Ltd., 103-105 Scrubbs Lane, Willesden,… | ||
| Scan133 | Letter to Gallay Radiator Co. Ltd. regarding the testing of radiator samples and requesting a quote for modification and bulk supply. | ||
| View original record | X4607 Expl. Dept. Hs/Rm.4/MJ. Sept. 1st.1930. Messrs. Gallay Radiator Co. Ltd., 103-105, Scrubbs Lane, Willesden, LONDON.N.W.10. Dear Sirs, We are much indebted to you for sending us the two small… | ||
| Scan134 | Letter from Gallay Radiator Co. Ltd. promising to supply a sample radiator block and provide a quote for larger quantities. | ||
| View original record | x4607. LONDON. PARIS. GENEVA. TURIN. CONTRACTORS TO H.M. WAR OFFICE AND ADMIRALTY. GALLAY RADIATOR CO., LTD. RADIATOR MANUFACTURERS FOR MESSRS. BENTLEY. CITROEN. TALBOT. LANCIA. FIAT. ROVER. LEA… | ||
| Scan135 | Inquiring about the increased cooling value of the Anderton Brown radiator tube. | ||
| View original record | X4609 BY. FROM E. C. to SG. C. to RG. C. to HS. RADIATORS. E2/M20.9.30. Referring to your memo. BY1/G12930., R. would like to know what the increased cooling value, if any, is of the Anderton Brown… | ||
| Scan136 | Letter to The Gallay Radiator Co. Ltd. arranging collection of a radiator. | ||
| View original record | X4607 Hs/sm3/AD. 22nd September, 1930. The Gallay Radiator Co.Ltd. 103/105, Scrubbs Lane, Willesden, N.W.10. Dear Sirs, We thank you for your letter of the 19th inst. ref. LTD/DLD. One of our cars… | ||
| Scan137 | Letter from Gallay Radiator Co. Ltd. regarding a sample of a special type of chromium-plated radiator shutter louvre. | ||
| View original record | x4607 LONDON. PARIS. GENEVA. TURIN. CONTRACTORS TO H.M. WAR OFFICE AND ADMIRALTY. GALLAY RADIATOR CO., LTD. RADIATOR MANUFACTURERS FOR MESSRS BENTLEY. CITROEN. TALBOT. LANCIA. FIAT. ROVER. LEA… | ||
| Scan138 | Letter to The Gallay Radiator Co. Ltd. rejecting their sample radiator shutter. | ||
| View original record | 14607. Expl. Dept. Hs/Rm.4/MJ. 27th. Sept. 1930. The Gallay Radiator Co. Ltd., 103/105, Scrubbs Lane, Willesden, LONDON N.W.10. Dear Sirs, With reference to your letter of the 26th.inst. ref:… | ||
| Scan139 | Letter from Gallay Radiator Co. Ltd. regarding a sample of radiator shutter louvres for future reference. | ||
| View original record | x4607 LONDON. PARIS. GENEVA. TURIN. CONTRACTORS TO H.M. WAR OFFICE AND ADMIRALTY. GALLAY RADIATOR CO., LTD. RADIATOR MANUFACTURERS FOR MESSRS BENTLEY. CITROEN. TALBOT. LANCIA. FIAT. ROVER. LEA… | ||
| Scan140 | Letter to The Gallay Radiator Co. Ltd. arranging a visit to inspect a radiator matrix. | ||
| View original record | x4607 Expl. Dept. Hs/Rm.1/MJ. 30th. Sept. 1930. The Gallay Radiator Co., Ltd., 103/105, Scrubbs Lane, Willesden, LONDON.N.W.10. Dear Sirs, Our representative hopes to call for the radiator fitted with… | ||
| Scan141 | Relative merits of Anderton Brown patent radiator tubes compared to standard tubes. | ||
| View original record | x4607. To E. " Hs. <- " By. " Wer. Re: ANDERTON BROWN PATENT RADIATOR TUBES. ------------------------------------ E. asked for information on the relative merits of the Anderton Brown patent Tubes in… | ||
| Scan142 | Copy of a letter responding to an inquiry about Anderton Brown Patent Radiator Tubes. | ||
| View original record | COPY. FOURWAYS, AVENUE ROAD, FARNBOROUGH, HANTS. [Red ink annotation: As] J.E. Ellor, Esq., Messrs. Rolls-Royce Ltd., DERBY. Anderton Brown Patent Radiator Tubes. Dear Mr. Ellor, With reference to… | ||
| Scan143 | Report comparing the performance of hexagonal and round radiator tubes, including heat dissipation and water flow. | ||
| View original record | - 2 - For 7 x 120 m.m. tubes of my type (hexagonal bodies differentially spaced) there was a gain of 4½% in heat dissipation as compared with normal round tubes of the same dimensions, but in this… | ||
| Scan144 | Technical letter discussing the comparative performance of hexagonal and round radiator tubes for engine cooling systems. | ||
| View original record | - 3 - It is thus seen that, unless the advantage is lost by inefficiency of the outlet branch of the radiator and suction resistance of the circulating pump, there is an advantage in the differential… | ||
| Scan145 | Letter to The Gallay Radiator Co. Ltd. regarding the testing of a radiator matrix and an inquiry about a newer, more efficient model. | ||
| View original record | x4607. Hs/Rm5/AD. 14th October, 1930. The Gallay Radiator Co.Ltd. 103/105, Scrubbs Lane, Willesden, London, N.W.10. Dear Sirs, Further to our letter of the 30th September. We have now tested this… | ||
| Scan146 | Letter from Gallay Radiator Co. Ltd. discussing radiator tube efficiency, a visit to their Paris works, and a price quotation. | ||
| View original record | X 4607 LONDON. PARIS. GENEVA. TURIN. CONTRACTORS TO H.M. WAR OFFICE AND ADMIRALTY. GALLAY RADIATOR CO., LTD. RADIATOR MANUFACTURERS FOR Messrs. BENTLEY. CITROEN. TALBOT. LANCIA. FIAT. ROVER. LEA… | ||
| Scan147 | Continuation sheet from Gallay Radiator Company Ltd. arranging an appointment. | ||
| View original record | CONTINUATION SHEET. 2. GALLAY RADIATOR COMPANY LTD. If you will kindly advise us when you will be visiting Olympia the writer will be pleased to make an appointment with you in order to go more fully… | ||
| Scan148 | Short internal memorandum from ROY to Hs. following a conversation and enclosing a copy of a letter. | ||
| View original record | X4607. To Hs. from ROY. ROY5/MG11.10.30 Following our conversation this morning, I have written Hm. as copy attached, and will let you know shortly the result. ROY. ENCLOSURE. Copy of ROY1/MG11.10.30… | ||
| Scan149 | Request for information on a new radiator design shown by the A.T. Speedometer company at the Paris Salon. | ||
| View original record | COPY PARIS. To Hm. Paris, from ROY. ROY1/MG11.10.30 ---------------- We understand the A.T. Speedometer people of Paris - we do not know their address - were showing at the Salon Radiators which carry… | ||
| Scan150 | Forwarding information about a radiator cooling scheme from the A.T. Speedometer Company of Paris. | ||
| View original record | To Hs/RM c. to BY. RECEIVED H NOV 1930 v4607. ROY3/MG1.11.30 I was discussing with Hs. recently a Radiator Cooling scheme recently placed on the market by the A.T.Speedometer Company of Paris - no… | ||
| Scan151 | New radiator cooling system seen at a show. | ||
| View original record | Copy EWP/22/FAW 28.10.30 From EWP. Paris Radiator Cooling Apparatus With reference to your ROY1/MG 11.10.30 kindly note that we have been in communication with the A.T Speedometer people over here… | ||
| Scan152 | Seeking clarification on a debit note from the Gallay Radiator Company. | ||
| View original record | X4607. To Hs/Rm. from ROY. ROY7/MG16.12.30 The Accounts Department are pressing us for clearance of a Debit rendered by the Gallay Radiator Company - of which we have no knowledge. I rather think this… | ||
| Scan153 | Tested radiator matrix from the Galley Radiator Co. which was found to be unsatisfactory. | ||
| View original record | Roy. N607 Hs/Rm3/ME.17.12.30. RADIATORS. The Galley Radiator Co. offered to produce a radiator matrix free of charge. We told them we would rather pay, and asked for a quotation but they refrained… | ||
| Scan154 | Standardisation of the radiator medallion colour from red to black and the finish of the starting handle tube cover. | ||
| View original record | SG. FROM DA/EV. X3456 DA/EVL/M18.12.30. C. to CX. MN. C. C. to BY. HS. re. RADIATOR MEDALLION, ETC. " " The radiator medallion is filled in red, and this is generally the only red on the car.… | ||
| Scan155 | Design and color of the radiator and starting handle tube medallions. | ||
| View original record | DA/Er. | ||
| Scan156 | Requesting a formal requisition to cover a £10 debit for expenses in a transaction with Gallay Radiator. | ||
| View original record | To Hs/Rm. from ROY. Y4607 ROY14/MG22.12.30 Gallay Radiator Hs/Rm3/MF17.12.30 - This firm are suggesting a Debit of £10. to cover their expenses in connection with the transaction. If you are in… | ||
| Scan157 | Payment to Gallay Co. for out-of-pocket expenses for a radiator sent for testing. | ||
| View original record | x4607. To Roy. From Hs/Rn. HS/Rn.8/MJ. 23.12.30. GALLAY RADIATOR. With reference to the radiator which the Gallay Co., sent us free of charge, for test. We suggest that as we have no intention of… | ||
| Scan158 | Confirming payment for out-of-pocket expenses to the Gallay Radiator Company. | ||
| View original record | Y4607. To Hs/Rm. from ROY. ROY5/MG24.12.30 GALLAY RADIATOR Hs/Rm8/MJ23.12.30 - We are concluding arrangements with the Gallay Radiator Company by paying them the sum of £10. O. Od covering out of… | ||
| Scan159 | Returned radiator matrix from the Gallay Radiator Co. with the recommendation to scrap it. | ||
| View original record | MR. Whitfield O.O. From Hs/Rm. X 4607. Hs/Rm.2/MJ.12.1.31. Re. the radiator matrix sent to the Gallay Radiator Co. We understand that this matrix has now been returned. We have no use for it… | ||
| Scan160 | Inquiry to Boulton & Paull Ltd. regarding wind tunnel testing of car radiators. | ||
| View original record | 4516. Expl. Dept. HS/Rn.4/MJ. 10th. February 1931. Messrs. Boulton & Paull, Ltd., Norwich. Dear Sirs, We understand that you carry out a lot of wind tunnel tests. We have a series of car radiators and… | ||
| Scan161 | Dimensioned drawing of a radiator. | ||
| View original record | 4.5" 4.5" 27" 23.5" DIMENSIONS OF R.R. RADIATOR. | ||
| Scan162 | Letter from Boulton & Paul Limited responding to an enquiry for wind channel work on the efficiency of radiators. | ||
| View original record | X4516. BY APPOINTMENT 139, QUEEN VICTORIA STREET, LONDON, E.C.4. TELEGRAMS: 'BOUTIQUE, CENT, LONDON' TELEPHONE: CENTRAL 4642. 16, BATH ROW, BIRMINGHAM. TELEGRAMS: 'BOUTIQUE, BIRMINGHAM' TELEPHONE:… | ||
| Scan163 | Letter to Messrs. Boulton & Paull, Ltd. arranging a meeting to discuss tests. | ||
| View original record | X4516. Expl. Dept. Hs/Rn.1/MJ. 14th.February 1931. Messrs. Boulton & Paull, Ltd., NORWICH. Dear Sirs, We are much indebted to you for your letter of the 12th.inst., and the writer will take the… | ||
| Scan164 | Message arranging an appointment to discuss radiator tests. | ||
| View original record | 84516. Dcy 16.2.31. BOULTON. NORWICH. SUGGEST APPOINTMENT FOR DISCUSSION ON RADIATOR TESTS TWO P.M. TOMORROW TUESDAY PLEASE SAY IF INCONVENIENT. ROBOTHAM. ROLLS-ROYCE. | ||
| Scan165 | Telegram from Boulton to Roycar in Derby confirming a convenient time for the following afternoon. | ||
| View original record | POST OFFICE TELEGRAPHS. Handwritten Reference: X4516. No. 55 Stamp: CONFIRMATION Office Stamp: DERBY * 18 FE 31 Time To: 5.20PM Origin Line: 151 11.36 NORWICH T. 9 Recipient: ROYCAR DERBY Message: =… | ||
| Scan166 | Report discussing the feasibility of using a wind tunnel for testing car radiator efficiency. | ||
| View original record | To Hs. From Rn. TESTING EFFICIENCY OF CAR RADIATORS. We visited Messrs. Boulton & Paul to discuss with them the possibility of using their wind tunnel for testing the various types of radiators which… | ||
| Scan167 | Proposal to use a dynamometer and a large ventilating fan rig to test car radiators. | ||
| View original record | works. The car would be run on the dynamometer in the ordinary way and a stream of air from a ventilating fan carried by means of a cowl shrouding the radiator through the matrix tubes. This would… | ||
| Scan168 | Letter from Boulton & Paul Limited requesting a delay in providing sketches for a Wind Blast Installation for radiator tests. | ||
| View original record | 139, QUEEN VICTORIA STREET, LONDON, E.C.4. TELEGRAMS: 'BOUTIQUE, CENT, LONDON' TELEPHONE: CENTRAL 4642 10, BATH ROW, BIRMINGHAM. TELEGRAMS: 'BOUTIQUE, BIRMINGHAM' TELEPHONE: MIDLAND 3361. 8-11,… | ||
| Scan169 | Letter to Messrs. Boulton & Paull Ltd. regarding information awaited on a wind-blast installation. | ||
| View original record | 84516. Expl. Dept. Hs/Rn.2/WJ. March 3rd.1931. Messrs. Boulton & Paull Ltd., NORWICH. Dear Sirs, With reference to your letter of the 21st.ult., reference AGO/MP/7989, for which we thank you. We are… | ||
| Scan170 | Letter from Boulton & Paul Ltd. proposing a uniform air jet system for testing car radiator efficiency. | ||
| View original record | X4516. BOULTON & PAUL LIMITED. NORWICH. FOUNDED 1797. BY APPOINTMENT 139, QUEEN VICTORIA STREET, LONDON, E.C.4 TELEGRAMS: "BOUTIQUE, CEN., LONDON" TELEPHONE: CENTRAL 4642 16, BATH ROW, BIRMINGHAM.… | ||
| Scan171 | Proposed air jet design for testing car radiator cooling. | ||
| View original record | PROPOSED AIR JET FOR TESTING CAR RADIATOR COOLING. SCALE 3/8" = 1 FOOT PARTS LIST: A - 30 H.P. A.C. MOTOR B - MOTOR & DISC COUPLING C - BEARINGS D - FOUR BLADED FAN E - REDUCING CONE F - HONEYCOMB… | ||
| Scan172 | Drawing and calculations for a 40/50 HP radiator component. | ||
| View original record | FILE UNDER RADIATORS 40/80 20° 147 x 810 147 x 4.0 x 20 x 60 = 9(?) 45.00 x [illegible] G4 x 23 x [illegible] = 8 V² 4 lbs/hr 8.8/- 15/- W V ~15 T' x 51 T x 52 / 18 M ~T/g) [illegible] = 30. x =… | ||
| Scan173 | Blueprint for a proposed arrangement of a car testing plant. | ||
| View original record | HEENAN & FROUDE LTD WORCESTER ENGINEERING WORKS WORCESTER. PROPOSED ARRANGEMENT OF CAR TESTING PLANT. SCALE 1/2" = 1 FOOT. MESSRS. ROLLS ROYCE LTD. Centrifugal Fan. Fan Outlet 36" Dia. 25 H.P.… | ||
| Scan174 | From Heenan & Froude, Ltd. to Mr. Hayes regarding a car tester. | ||
| View original record | From HEENAN & FROUDE, Ltd. WORCESTER, Eng. To Mr. Hayes. Subject Car Tester. Our Ref. AW/EG Your Ref. Drg. No. 19502. Date 18/3/31 No. Copies 1 S. 141. | ||
| Scan175 | Letter from The Airscrew Company offering to waive the design fee and manufacture a custom four-bladed screw. | ||
| View original record | X4516. COPY. The Airscrew Company, Ltd., Thames Street, WEYBRIDGE. Surrey. 18th March, 1931. Messrs. Rolls-Royce, Ltd., 14-15, Conduit Street, LONDON, W.1. Dear Sirs, Following up your… | ||
| Scan176 | Letter to Messrs Boulton & Paul Ltd regarding blueprints for a required test fan and the calibration of the rig. | ||
| View original record | X4516. Expl. Dept. Hs/Rm.1/KT. 11th March 1931. Messrs Boulton & Paul Ltd., Norwich. For the attention of Mr. Hodges. Dear Sirs, We are very much indebted to you for your letter of March 9th. together… | ||
| Scan177 | The specifications and quotation for a proposed test rig for car radiators. | ||
| View original record | To Lp. From Hs/Rm. c. to Wor. 4516. Hs/Rm.2/MJ.11.3.31. TEST RIG FOR CAR RADIATORS. We attach herewith a blue print of the rig we propose to use for testing car radiators. We are trying to find out… | ||
| Scan178 | Letter regarding the procurement of an airscrew from The Airscrew Company, Ltd. for a car radiator test rig. | ||
| View original record | Hs/Rm. RECEIVED WORKS 20 MAR 1931 H 29 X4516. Lp2/LAM.19.3.31. Re: TEST RIG FOR CAR RADIATORS. Referring to your Hs/Rm.2/MJ.11.3.31., we attach hereto copy of letter we have received from The Airscrew… | ||
| Scan179 | Letter to Boulton & Paul Ltd. requesting clarification on two points regarding a rig sketch and horsepower requirements. | ||
| View original record | X4516. Expl. Dept. Hs/Rm.2/KT. 26th March 1931. Messrs Boulton & Paul Ltd., Norwich. For the attention of Mr. Odgers. Dear Sir, With further reference to your letter of March 9th. We have been going… | ||
| Scan180 | Two alternative power options for a radiator testing rig. | ||
| View original record | To EJJ. From Hs/Rm. X4516 Hs/Rm.3/MJ.26.3.31. RADIATOR TESTING RIG. It is now apparent that there are two alternative possibilities for this rig. (1) To use the A.C. motor to generate the power… | ||
| Scan181 | Calculations for horsepower required for an air jet system. | ||
| View original record | x4516. Area of jet - 25 sq ft Velocity of air 85 M.P.H. Quantity of air/min in lbs = 25 x 85 x 88 x .08 = 18,600 lbs K.E. of air = MV^2 / 2g = (124^2 x 18600) / 64 ft.lbs. This is generated every min.… | ||
| Scan182 | Letter from Boulton & Paul discussing motor horsepower, velocity, and the power factor formula for a jet. | ||
| View original record | X45161 BY APPOINTMENT BOULTON & PAUL LIMITED. NORWICH. FOUNDED 1797. WIRE NETTING DEPARTMENT 139, QUEEN VICTORIA STREET, LONDON, E.C.4 TELEGRAMS: 'BOUTIQUE, CENT, LONDON' TELEPHONE: CENTRAL 4642. 16,… | ||
| Scan183 | Letter to Messrs Boulton & Paul regarding the reconciliation of fan power calculations. | ||
| View original record | X4576. Expl. Dept. Hs/Rn.2/KT. 8th April 1931. Messrs Boulton & Paul.. Norwich. For the attention of Mr. North. Dear Sir, Replying to your M.8608 in which you state that the power required by a fan is… | ||
| Scan184 | Letter from Boulton & Paul concerning power factor calculations for a wind tunnel installation, correcting a previous oversight. | ||
| View original record | 84516 139, QUEEN VICTORIA STREET, LONDON, E.C.4. TELEGRAMS: 'BOUTIQUE, CENT, LONDON' TELEPHONE: CENTRAL 4642. 10, BATH ROW, BIRMINGHAM. TELEGRAMS: 'BOUTIQUE, BIRMINGHAM' TELEPHONE: MIDLAND 3381. 8-11,… | ||