Rolls-Royce Archives
| Identifier | Entry | ||
| Scan001 | Testing and evaluation of Gabriel Snubbers from a 12-cylinder Packard car. | ||
| View original record | U. S. 881a (100 T) (S. H. 159. 11-8-20) G. 2500 X1494 To R. from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to EP. Hs5/LG8.11.20. X.1494. GABRIEL SNUBBERS. X.1832. X.435. EP. has reported that the… | ||
| Scan002 | Sales letter from Brown Brothers Ltd. promoting the 'Gabriel' Rebound Snubber. | ||
| View original record | BROWN BROTHERS LTD. MOTOR AIRCRAFT CYCLE AND TOOL MANUFACTURERS AND MERCHANTS CONTRACTORS TO HIS MAJESTY'S GOVERNMENT ADDRESS ALL COMMUNICATIONS TO THE COMPANY Telephone: 6300 LONDON WALL (14 LINES)… | ||
| Scan003 | Advertisement for the Gabriel Rebound Snubber, detailing its function, benefits, and pricing. | ||
| View original record | The GABRIEL REBOUND SNUBBER Keeps you on the seat when the roads are rough If you value comfort, economy and safety, you cannot afford to be without Gabriel Rebound Snubbers. Gabriel Snubbers protect… | ||
| Scan004 | Advertisement leaflet for the Gabriel Rebound Snubber shock absorber, from Brown Brothers Ltd. | ||
| View original record | Left Panel: Snubbing a boat Brown Brothers Ltd. With which is amalgamated Thomson & Brown Brothers, Ltd. Head Offices and Warehouses : GREAT EASTERN STREET, LONDON, E.C.2. LADY LAWSON STREET,… | ||
| Scan005 | Extract regarding complaints of knocking in the transmission, its causes related to leaf springs and road conditions, and a suggestion to fit shock dampers. | ||
| View original record | X1494 Extract from R10/G8.6.21. X.3614 - RE U.S.A. COMPLAINTS. X.1511 X.2628. KNOCKING IN TRANSMISSION. X.1494. As is well known, there are two causes of the knocking in the transmission; one is the… | ||
| Scan006 | Continued memo discussing transmission knock due to uneven engine firing and suggesting a solution for future cars. | ||
| View original record | R.R. 751a (100 T) (S.H. 708, 10-12-20) G. 2048 Contd. -2- F10/G8.6.21. We think all future cars should be fitted with one of these devices. The other cause of knock in the transmission is due to the… | ||
| Scan007 | Springfield complaints about the policy of fitting shock absorbers. | ||
| View original record | To C.J. from Hs. x1494 Hs2/LG1 8.6.21. x3614 x1494 SPRINGFIELD COMPLAINTS. With reference to the attached note ref. CJ5/E16.6.21. The Gabriel Snubbers have not been standardised, in fact, we have… | ||
| Scan008 | Springfield complaints and Mr. Royce's recommendations for suspension damping. | ||
| View original record | To Hs. from CJ. CJ5/E16.6.21. SPRINGFIELD COMPLAINTS. When Mr. Royce was in town on the 30th.May, in the rough notes he then dictated and which were eventually cancelled he said - 'We think you will… | ||
| Scan009 | Complaints about poor ride quality in Springfield cars and the recommendation to fit shock dampers. | ||
| View original record | CJ. from R. X1494 R5/G28.6.21. X.3719 X.3461. SPRINGFIELD COMPLAINTS. X.1494. REGARDING RIDING OF CARS. You will notice that in the most recent complaints Springfield include the bad riding of the car… | ||
| Scan010 | Objections to Hartford shock absorbers for the 40/50 chassis and advocating for a higher quality, progressive type to maintain the company's reputation. | ||
| View original record | X1494 Hs. from R. c. to CJ c. to E. c. to Da. c. to BY. c. to EP. c. tp PN. c. to Hm. c. to Wor. X.3461 X.1494 X.4426 R8/M9.12.21. SHOCK ABSORBERS FOR 40/50 CHASSIS. Regarding your Hs4/LG7.12.21. My… | ||
| Scan011 | Article from 'The Autocar' magazine by Professor W. Morgan on the essentials of practical fuel comparisons for engines. | ||
| View original record | THE AUTOCAR, January 28th, 1911 107 Fuel Tests. The Essentials of Practical Comparisons. By Professor W. Morgan. THE value of a fuel to the engineer depends primarily on the heat it can develop, for… | ||
| Scan012 | Article by Professor W. Morgan about the essentials of practically comparing and testing different fuels for engines. | ||
| View original record | THE AUTOCAR, January 28th, 1911. 107 Fuel Tests. The Essentials of Practical Comparisons. By Professor W. Morgan. THE value of a fuel to the engineer depends primarily on the heat it can develop, for… | ||
| Scan013 | Article from 'THE AUTOCAR' discussing the causes of high petrol prices and suggesting solutions such as co-operative distribution and the use of alternative fuels. | ||
| View original record | R.R. 285A C THE AUTOCAR, August 3rd, 1912. 211 Motor Fuel Supply and Prices. RC1000 A Few Suggestions. By a Petroleum Expert. THANKS to ample capital and superb management going hand in hand, the… | ||
| Scan014 | Formula for determining the cost-effectiveness of fuel based on calorific value and price. | ||
| View original record | S.A. 983. 4-2-15) G. 0970. R 1555 A Formula for Fuel.--Although a fuel may work well it is necessary to remember that the price of the fuel is not sufficient to determine whether its employment is… | ||
| Scan015 | Journal page discussing the formation of the Petrol Substitutes Committee and the cancellation of the Isle of Man race, with handwritten notes on 'Synthetic Petrol'. | ||
| View original record | MARCH 8, 1912. [Handwritten in center: Synthetic Petrol] [Handwritten, top right: XC 1855] ...transmission. A sprag... ...on the drive once more... ...opposite effect; the determination... ...the… | ||
| Scan016 | Article discussing the fuel problem, including the potential of synthetic petrol and the changing nature of fuel supply and quality. | ||
| View original record | THE AUTO, MOTOR JOURNAL. SYNTHETIC PETROL. THE SOLUTION OF THE FUEL PROBLEM.—I. SYNTHETIC petrol, like synthetic rubber, is already an accomplished fact, and, under the stimulus of the present high… | ||
| Scan017 | Key-map illustrating the principal sources and shipping routes of petrol to England. | ||
| View original record | MARCH 8, 1913. THE AUTO MOTOR JOURNAL “AUTO.” KEY-MAP TO THE PRINCIPAL SOURCES OF PETROL.—The total consumption of petrol in England last year was about 80,000,000 gallons, and more than half of this… | ||
| Scan018 | Article from 'The Auto' journal discussing global oilfields and the supply of petrol for motorists in 1913. | ||
| View original record | THE AUTO MOTOR JOURNAL MARCH 8, 1913. If one took a map of the world and chose to colour all countries that were known to possess oil, little or no land would be left blank, but if one marks, as we… | ||
| Scan019 | Article on the global fuel problem, discussing petrol consumption, world supply figures, market dynamics, and pricing. | ||
| View original record | R.R. 235A 'AUTO' MOTOR JOURNAL MARCH 15, 1913. R1555 SYNTHETIC PETROL. THE SOLUTION OF THE FUEL PROBLEM.—II. FACTS AND FIGURES OF THE WORLD'S SUPPLY. The consumption of petrol in England during the… | ||
| Scan020 | Article discussing the cost and viability of benzol and alcohol as substitutes for petrol. | ||
| View original record | R.R. 235A THE AUTO MARCH 22, 1913. R.1056. THE SOLUTION OF THE FUEL PROBLEM. III.—A QUESTION OF COST. BENZOL AND ALCOHOL AS PETROL SUBSTITUTES. IN the discussion that has raged around the fuel… | ||
| Scan021 | Comparison of benzol and petrol distillation curves, and an analysis of alcohol as a potential substitute fuel. | ||
| View original record | THE AUTO - MOTOR JOURNAL. MARCH 22, 1913. exhaust round it. In any case I have little doubt that sooting troubles and the like are entirely caused by the charge delivered to the cylinders being of a… | ||
| Scan022 | Article discussing the processes of converting heavy crude oil into petrol, including distillation and cracking. | ||
| View original record | MARCH 8, 1913. THE AUTO -MOTOR JOURNAL. they have a convenient outlet in this direction. Trinidad is another oilfield of great promise, which is at present under development, but it will take time… | ||
| Scan023 | Article from 'THE AUTOCAR' discussing the fuel question, including petrol statistics, production methods, and potential alternatives. | ||
| View original record | THE AUTOCAR, October 25th, 1913. The Fuel Question. Some Criticisms on the Presidential Address to the Institution of Automobile Engineers. By W. R. Ormandy, D.Sc. IT has become a settled custom for… | ||
| Scan024 | Article from 'The Autocar' discussing the fuel question, focusing on benzole and other petrol alternatives. | ||
| View original record | 794 THE AUTOCAR, October 25th, 1913. The Fuel Question. what might be called a mechanical gasification of paraffin oil at ordinary temperatures it would behave as a gas. This, of course, is the… | ||
| Scan025 | The possibilities of alcohol as a fuel. | ||
| View original record | The Possibilities of XC 1555 Of Alcohol Fuel | ||
| Scan026 | Article from 'The Autocar' discussing the potential of alcohol as an alternative motor fuel to petrol. | ||
| View original record | THE AUTOCAR November 8th, 1913. The Possibilities of Alcohol Fuel. An Outline of the Significant Results of "The Autocar" Experiments. This article is an introduction to and a simplified abridgment of… | ||
| Scan027 | Article from 'The Autocar' magazine discussing the possibilities of alcohol as an automotive fuel, comparing it to petrol and benzole, and detailing horsepower tests. | ||
| View original record | THE AUTOCAR, November 8th, 1913. 901 The Possibilities of Alcohol Fuel. though obviously alterable, are often spoken of as though they had a foundation so deep in the moral view of humanity that they… | ||
| Scan028 | Report comparing the performance and consumption of petrol, benzole, and alcohol-based fuel mixtures. | ||
| View original record | THE AUTOCAR, November 8th, 1913. 10% of crude wood naphtha and about ½% petroleum naphtha to 90% of ethyl alcohol containing water, it is called methylated spirit, and it costs about 3s. 6d. per… | ||
| Scan029 | Article clipping from 'The Autocar' discussing the possibilities of using alcohol as a fuel for engines. | ||
| View original record | THE AUTOCAR, November 8th, 1913 993 The Possibilities of Alcohol Fuel 150 mm., and with such valve openings and lifts as enabled 2,000 r.p.m. to be easily attained. In these experiments, using a… | ||
| Scan030 | Reply to criticisms on the use of alcohol as a motor fuel, focusing on issues of corrosion and flame propagation. | ||
| View original record | THE AUTOCAR, November 8th, 1913. The Fuel Question. A Reply to Dr. Ormandy's Criticisms by the President of the Institution of Automobile Engineers, Mr. J. S. Critchley, M.I.Mech.E. DR. ORMANDY has… | ||
| Scan031 | Article from 'THE AUTOCAR' discussing the 'Fuel Question' and the viability of alternative motor fuels like alcohol and benzole. | ||
| View original record | THE AUTOCAR, November 8th, 1913. The Fuel Question. been enjoined in the columns of the daily press that our hope, like Ireland's, lies in the potato, and we are told to direct our attention to… | ||
| Scan032 | Article from 'The Autocar' summarizing Professor Vivian Lewes's lectures on motor fuels, including petrol, benzole, and alcohol. | ||
| View original record | THE AUTOCAR, MARCH 6th, 1915. 253 Motor Fuels. Professor Vivian Lewes's Fothergill Lectures before the Society of Arts. ON February 15th and 22nd and March 1st Professor Vivian Lewes delivered… | ||
| Scan033 | Internal memorandum regarding the testing of motor spirit from London Lubricant Ltd. | ||
| View original record | Header Text: ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Handwritten Reference Top: X1555 Subject (Typed): re Motor Spirit for Engine… | ||
| Scan034 | Page 2 of a memorandum outlining four key questions for an engine test comparing different fuels. | ||
| View original record | R.P. 657. (100H) (XX 639. 30.10.13) B.P. 5204. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). Names and Indicating letter. Initial of person… | ||
| Scan035 | Requesting tests on a new motor spirit to evaluate its economy and performance. | ||
| View original record | P1555 Wor/SM10/L281113. Motor Spirit for Engine Testing. X.997. Mr Hives. 28-11-13. A barrel of the above is now in the stores. Will you kindly obtain this and make a test to ascertain whether it will… | ||
| Scan036 | The poor quality of a motor spirit sample from London Lubricants Ltd. used for engine testing. | ||
| View original record | V1553 Dr/Mcr7/L18214. Re Motor Spirit for engine testing made by London Lubricants Ltd., X.997 Na. 18-2-14. With reference to the test of the above as referred to in your memos JR8/G251113 and… | ||
| Scan037 | Technical article from 'The Motor Trader' magazine comparing paraffin and petrol as fuel, detailing various vaporizers and starting systems. | ||
| View original record | THE MOTOR TRADER Paraffin v. Petrol for Fuel.—II.* "Dry" Mixture Vaporizers. The characteristic of this system [unreadable] evaporates [unreadable] in contact with [unreadable] exhaust gases, and the… | ||
| Scan038 | Extract from 'the Auto' magazine discussing a vaporiser embodying correct principles, developed by Mr. John Good. | ||
| View original record | R.R. 235 a (400 T) (S C. 298. 15-2-16) G. 1646. COPY. 3rd October 1916. EFC/MP31016. Extract from the Auto, Sept.1st 1916. VAPORISER EMBODYING CORRECT PRINCIPLES. It is possible to design heaters and… | ||
| Scan039 | Description of pressure and velocity changes in an enlarging cone to promote vaporisation. | ||
| View original record | -2- 3rd October 1916. EFC/MP31016. conditions; the throat pressure depression promotes quick vaporisation by reducing the total mixture pressure and the partial vapour pressure; and pressure recovery… | ||
| Scan040 | Experiments with petrol substitutes, detailing poor engine performance and potential carburetter modifications. | ||
| View original record | H.R. & A 338500 T/P.C. & Co. 16/9/16 To Hy. from R. c. to Hs. c. to Clk. c. to EP. c. to Na. c. to By. c. to J. X.1555 X.3008-Re - Petrol Substitutes. X.1555 X.2470 R1/W161016. 17/10/16 With reference… | ||
| Scan041 | Engine performance issues related to fuel mixture, ignition, and carburettor settings. | ||
| View original record | -2- - Contd. by careful driving in the very narrow roads about here, and the failing light. It was also found that the consumption had gone up tremendously, because it seemed necessary to run the car… | ||
| Scan042 | Fuel experiments and suggestions for improving fuel distribution via carburetter and induction pipe adjustments. | ||
| View original record | R.R. 235 Contd. 536 16-2-15) G. 1545. -3- lightest spirit can (with our engine in its present condition) be made to give the most economical results. The impulses with this light spirit were noticed… | ||
| Scan043 | Chart showing the volatility curves for various motor fuels. | ||
| View original record | The Motor 170 27th March, 1917. VOLATILITY OF MOTOR FUELS. DEGREES CENT. FAH. 182 360 171 340 160 320 148 300 138 280 127 260 116 240 104 220 93 200 82 180 71 160 60 140 49 120 PER CENT. CURVE LABELS:… | ||
| Scan044 | Letter to Count Carlos de Salamanca in Madrid regarding fuel substitutes for an engine. | ||
| View original record | R6/W29.1.18. X.1555 January 29th 1918. Count Carlos de Salamanca, 3, Ventura Rodriguez, MADRID Dear M. de Salamanca, Regarding the question of fuels as substitutes for petrol in the running of the… | ||
| Scan045 | Letter discussing engine lubrication, oil acidity testing during trials with unknown fuels, and instructions for taking oil samples. | ||
| View original record | contd. -2- R6/W29.1.18. If we obtain any further information we will send it to you without waiting for you to ask us, but I think the risk of damaging the engine is so small that one might use almost… | ||
| Scan046 | Forwarding a copy of Mr Cowen's memo concerning chassis work and fuel availability. | ||
| View original record | R.R. 238 n (200 T) (S.E. 627, 21-2-18) G. 2129 X1555 EP. from BY. EH. C. Mr Cowen. October 30. 1918. BY5/P301018. CHASSIS WORK. RE FUEL AVAILABLE. I am attaching herewith copy of Mr Cowens memo… | ||
| Scan047 | Horsepower, consumption, and vaporisation tests of Shell Aviation Spirit 'B'. | ||
| View original record | EXPL: DEPT: RE SHELL AVIATION SPIRIT "B". We have carried out the following tests with the above spirit:- HP. and Consumption Tests. REVS. Eastern Spirit. Mex Spirit. Eastern Spirit. Pts. per HP. hr.… | ||
| Scan048 | Fuel testing, comparing Shell Aviation B with benzol and petrol mixtures for detonation and pre-ignition. | ||
| View original record | -2- sign of condensation shewed up on the cold steel plate. With Shell Aviation B there is not the least sign of condensation on the steel plate until the water temperature in the cylinder jacket was… | ||
| Scan049 | Recommendation for a specific fuel mixture to be used for Atlantic flights to reduce the risk of pre-ignition. | ||
| View original record | -3- percentage of benzol is added. In the Atlantic Flights we must take advantage of all we know of which will reduce the risk of failure due to pre-ignition. I dare say if we had used nothing else… | ||
| Scan050 | Test report on Shell Aviation Spirit 'B', detailing horsepower, consumption, and vaporisation tests. | ||
| View original record | EXPL: DEPT: X1555 5.4.19. RE SHELL AVIATION SPIRIT "B". We have carried out the following tests with the above spirit:- HP. and Consumption Tests. | REVS. | Eastern Spirit. | Mex Spirit. | Eastern… | ||
| Scan051 | Fuel tests comparing Shell Aviation B against standard petrol and benzol mixtures for engine detonation, condensation, and pre-ignition. | ||
| View original record | -2- sign of condensation shewed up on the cold steel plate. With Shell Aviation B there is not the least sign of condensation on the steel plate until the water temperature in the cylinder jacket was… | ||
| Scan052 | Recommendation to use Shell Aviation Spirit B with an addition of 12.5% benzol for Atlantic Flights to reduce the risk of pre-ignition. | ||
| View original record | -3- percentage of benzol is added. In the Atlantic Flights we must take advantage of all we know of which will reduce the risk of failure due to pre-ignition. I dare say if we had used nothing else… | ||
| Scan053 | Specific gravity of petrol in relation to engine detonation and vaporization tests. | ||
| View original record | X1555 W/S. To Bt. from Hs. Hs2/LG23.10.20. X.2451. RE SPECIFIC GRAVITY OF PETROL. X.1555. ---------------------------------------------- With reference to attached note Ref. Bt2/EP 22.10.20, the… | ||
| Scan054 | Comparison of vaporization percentages for two samples at various temperatures for a specific gravity of 730. | ||
| View original record | Contd. -2- Hs2/LG23.10.20. for specific gravity viz:- 730. - No.1. Good. No.2. Bad. 100°C 63% vaporized. 26% vaporized. 120 85% " 31% " 125 94% " 33% " ____________ Hs. | ||
| Scan055 | Invitation from Shell-Mex Ltd. to an address on motor fuel efficiency. | ||
| View original record | X/555 SHELL - MEX LIMITED. Leicester Division. County Chambers, Corporation Street, Birmingham. November 18th.1921. H.Royce Esq. Messrs Rolls-Royce Ltd. Derby. Dear Sir, For the information of the… | ||
| Scan056 | Reply slip for an invitation to Mr. Kewley's lecture and dinner. | ||
| View original record | I shall ......... be glad to attend Mr.Kewley's Lecture at the Queens Hotel on Tuesday the 22nd inst. at 6 p.m. I ............. accept your invitation for dinner. Signed ................... Firm… | ||
| Scan057 | Postcard addressed to Messrs. Shell-Mex, Ltd. in Birmingham. | ||
| View original record | POST CARD ADDRESS ONLY TO BE WRITTEN ON THIS SIDE. Messrs. Shell-Mex, Ltd. County Chambers, Corporation Street, BIRMINGHAM. | ||
| Scan058 | Sample of a 'fuel saver' or 'fuel economiser' device for a car. | ||
| View original record | P/Eu X1555 Wa.7/Go.9.I.22 Re. Fuel Saver We are sending you herewith sample of a fuel economiser and give you below copy of a memo we received from CT. of our Nice Depot. " I am enclosing a sample of… | ||
| Scan059 | Proposed modifications to a WO-II chassis, accompanied by a handwritten list of parts and tasks. | ||
| View original record | Typed Text: Ref: 13/11.5.22 11.5.22 Col. Inst. Pearce. I am sending you the attached list of modifications I propose to make to my WO-II chassis which I trust you will not object to. To the best of my… | ||
| Scan060 | Recommendation for a fuel mixture of half Benzole and half petrol for demonstration purposes. | ||
| View original record | X1555 To hs. & PN. from R. c. to CJ. & BJ. R3/M28.7.22. RE. FUEL X.53. X.1555 For demonstration purposes we recommend you to use or try the National Benzole Co's mixture which we believe is half… | ||
| Scan061 | Tests of various samples of petrol, detailing their properties and performance characteristics. | ||
| View original record | X1555 ROY. c. to Wd. c. to Rg. c. to HB. c. to HL. EP5/H9.10.22. re. TESTS OF VARIOUS SAMPLES OF PETROL. We are now able to report on the various samples of petrol submitted as follows:- (as noted by… | ||
| Scan062 | Performance analysis of various motor spirits and benzols. | ||
| View original record | - 2 - EP5/H9.10.22. (d). Contd. Glico Motor Spirit. This is generally a poor spirit. It is poor for carburation and inclined to load up, and is also poor for power, and bad for pinking. (e).… | ||
| Scan063 | The urgent testing of a new motor fuel for Lord Wargrave. | ||
| View original record | X1555 To Hs. from BJ. BJ3/H26.4.23. NEW MOTOR FUEL. With reference to my previous correspondence concerning this, Mr. Critchley called this morning and was shown BJ23/H6.4.23 addressed to Hr. He… | ||
| Scan064 | Testing of a new motor fuel. | ||
| View original record | BJ. from Hs. X1555 Hs1/LG2.5.23. RE. NEW MOTOR FUEL. With reference to your note BJ23/H6.4.23 and correspondence attached. If we are supplied with 10 gallons of this fuel we could give a brief report… | ||
| Scan065 | Chasing a delayed report on a new motor fuel and expressing concern about the capacity of the Derby works. | ||
| View original record | X1555 To Hs. from BJ. BJ7/H2.5.23. NEW MOTOR FUEL. The Chairman again discussed yesterday the matter of the fuel, particulars of which we sent to the Works on the 6th April for a report. We have heard… | ||
| Scan066 | Letter to The Oil Supply Corporation Ltd. requesting a sample of their new fuel for testing purposes. | ||
| View original record | X1553 COPY TO Hs. (Hs1/LG2.5.23.) BJ15/H3523. 3rd May, 1923. The Oil Supply Corporation Ltd., 54-a, Parliament Street, Whitehall, S.W.1. Dear Sirs, We have heard from Mr. Critchley that you desire… | ||
| Scan067 | Telegram arranging a fuel test, confirming the date, arrival time, and delivery of oil. | ||
| View original record | To: Hives Rolls Royce, Derby. Reply Paid. Will Friday be convenient date for fuel test Could arrive Derby Eleven twelve Will bring ten gallons oil Wire reply Crutchley Supply Corporation 54a… | ||
| Scan068 | Letter from the Oil Supply Corporation Ltd. confirming the arrival of Mr. Critchley and Mr. Lincoln in Derby. | ||
| View original record | X1555 TELEGRAPHIC ADDRESS: VERNYPNE, LONDON. TELEPHONE: VICTORIA 8358. 54A PARLIAMENT STREET, WHITEHALL, LONDON, S.W.I. RAW/18 7th. May 1923 Messrs. Rolls Royce Ltd, DERBY. For the attention of Mr.… | ||
| Scan069 | Letter from Oil Supply Corporation Ltd. regarding arrangements for a 'PYNOL' fuel test, for the attention of Mr. Hives. | ||
| View original record | X4555 TELEGRAPHIC ADDRESS: VERNPYNE, LONDON. TELEPHONE: VICTORIA 8358. RAW/18 54a PARLIAMENT STREET, WHITEHALL, LONDON, S.W.1. 8th. May 1923 Messrs. Rolls Royce Ltd, DERBY. For the attention of Mr.… | ||
| Scan070 | Letter to The Oil Supply Cor. Ltd. arranging a car for fuel testing. | ||
| View original record | X1555 Hs3/LG. 10th. May 1923. The Oil Supply Cor. Ltd., 54A Parliament Street, London S.W.1. Dear Sirs, For the attention of Mr. Critchley. Referring to your letter of the 8th.inst. The car we have… | ||
| Scan071 | Test report for car 49 G.B. using a Pyrol mixture, detailing performance under various conditions. | ||
| View original record | Tests carried out with 49 G.B using Pyrol mixture. The tests to prove its value for private cars. The tests were carried out in very windy and wet weather for the climbing tests. The road was dry for… | ||
| Scan072 | Fuel consumption and detonation tests comparing a fuel named Pynol against Petrol. | ||
| View original record | Consumption Tests These tests were rather upsetting more mileage was got than when using petrol. this was with four persons in the Car. The engine would appear to be giving out at approx 4 miles, but… | ||
| Scan073 | Report comparing vehicle performance and acceleration times using Petrol versus Pyrol fuel. | ||
| View original record | min, speed, speed at finish (danger post right hand side) Time Taken. Three tests were taken two with passengers one without. The average tests came out as follows. | | Petrol | Pyrol | | :--- | :---… | ||
| Scan074 | Laboratory report detailing the distillation and analysis of a petrol sample. | ||
| View original record | Hs H14/EA12523 X1555 Laboratory Re Sample of Petrol sent in by you 11.5.23 Distillation Specific Gravity .804 Boils at 91°C First Distillate over at 73°C Temperature °C % Distillate Temperature °C %… | ||
| Scan075 | Instructions to Stores to return two empty 5-gallon drums used for special fuel testing to the Oil Supply Corporation Ltd. | ||
| View original record | V1555 To Wd. from Hs. c. to Chat. c. to BP. Hs7/LG14.5.23. We are sending into the Stores - 1 Case containing two empty 5-gall. drums. These were brought to the Works on Friday by Mr. Critchley of the… | ||
| Scan076 | Letter to the Oil Supply Corporation regarding fuel testing and a potential fuel source from United Dairies. | ||
| View original record | X1535 Hs8/LG. Oil Supply Corporation Ltd., 54A, Parliament Street, Whitehall, Lodnon, S.W.1. 14th. May 1923. Dear Sirs, For the attention of Mr. J.S.Critchley. We have sent off today the case… | ||
| Scan077 | Letter from the Oil Supply Corporation Ltd. detailing comparative bench test results for PYNOL and PETROL fuels. | ||
| View original record | X1555 ALL AGREEMENTS ARE CONTINGENT UPON STRIKES, ACCIDENTS, DELAYS AND OTHER CAUSES UNAVOIDABLE OR BEYOND OUR CONTROL. QUOTATIONS SUBJECT TO CHANGE WITHOUT NOTICE UNLESS OTHERWISE AGREED. TELEGRAPHIC… | ||
| Scan078 | Letter from the Oil Supply Corporation regarding test results and supply of a fuel named 'PYNOL'. | ||
| View original record | E. W. Hives Esq. - 2 - 15th. May 1923 Enclosed also are copies of letters from the G.W.Rly in reference to their tests. We have found in most instances it is necessary to make alterations to the… | ||
| Scan079 | Fuel consumption and performance test report comparing Pyrol and Petrol fuels on car 49 GB. | ||
| View original record | X1555 ROLLS-ROYCE LTD. INSTRUCTIONS To: Mr Hives 15/5/ 1923 Order No. Customer's No. Consumption Test using Pyrol mixture & Petrol. Tests carried out on 49 GB Consumption Speed | Pyrol | Petrol 20 MPH… | ||
| Scan080 | The testing and characteristics of 'Pynol' fuel. | ||
| View original record | To R. from Hs. c. to E.J. X1555 Hsd/LG16.5.23. REPORT ON "PYNOL" FUEL. X1555 X985 (crossed out) This fuel was submitted to us by the Oil Supply Corporation, 54A, Parliament Street, London, S.W.1., on… | ||
| Scan081 | The performance comparison of 'Pynol' fuel against standard petrol. | ||
| View original record | contd:- -2- float mechanism) and also owing to the viscosity being higher, the mixture with Pynol was actually weaker than with petrol. On the road we could not get as good acceleration or hill… | ||
| Scan082 | Bench test results comparing Petrol and 'Pynol' fuel on a Goshawk engine. | ||
| View original record | BENCH TESTS. "PYNOL" TESTS ON GOSHAWK. Comparison between Petrol and "Pynol". Conditions. Barometer = 29.6" Sp.Gr. petrol used = 0.752 Pynol = 0.804 Carburetter was set in each case to give the… | ||
| Scan083 | Road tests comparing 'Pynol' motor fuel with Petrol. | ||
| View original record | REPORT ON ROAD TESTS OF "PYNOL" MOTOR FUEL. --- These tests were carried out on a 40/50 R-R Car (49-GB) with the object of comparing the results obtained by using "Pynol" with those obtained by using… | ||
| Scan084 | Hill climbing performance comparison between Petrol and Pynol fuels. | ||
| View original record | (3) HILL CLIMBING. Climb of Pistern Hill. | PETROL. | PYNOL. | |---|---| | Speed at start | 5 | 5 m.p.h. | | Speed on 2nd. corner (min.) | 21 | 20 " | | Speed at finish. | 31 | 28 " | | Max. speed… | ||
| Scan085 | Graph comparing the horsepower and fuel consumption of Petrol versus Pynol for a Goshawk engine. | ||
| View original record | FUEL TESTS. H.P. GIVEN BY PETROL & PYNOL RESPT GOSHAWK S.G. PETROL .752 S.G. PYNOL .804 BAROMETER - 740M.M. B.H.P. R.P.M. PETROL PYNOL CONSUMPTION PETROL & PYNOL COMPARED. MIXTURE ADJUSTED AT EACH… | ||
| Scan086 | Stamped by the Print Room in Derby. | ||
| View original record | ROLLS-ROYCE, LIMITED PRINT ROOM. 17 MAY. 23 DERBY | ||
| Scan087 | Graph of fuel tests showing the distillation curves and chemical analysis for Pynol and Shell No 1. | ||
| View original record | FUEL TESTS. DISTILLATION CURVE FOR PYNOL S.G. .804 BOILING PT. 91°C FIRST DISTILLATE OVER AT 73°C SHELL No 1. PYNOL % DISTILLATE TEMP °C ANALYSIS OF PYNOL. OLEFINS & DI-OLEFINS 18.8% AROMATIC… | ||
| Scan088 | Reverse side of a document with a handwritten number and a date stamp. | ||
| View original record | 21659. 17 MAY 1923 DERBY | ||
| Scan089 | The performance of Pynol fuel compared to petrol, outlining necessary engine modifications for its use. | ||
| View original record | REPORT UPON PYNOL X.1555 1 It would appear from consideration of the results given with this fuel that in order that to obtain any marked improvement in engine performance or to obtain such a good all… | ||
| Scan090 | From B.J. to Hs. discussing the confidentiality of a report on 'Pynol' fuel and whether to share it. | ||
| View original record | X1585 To Hs. from BJ. BJ5/H19.5.23. Report on "Pynol" Fuel. Hs/LG17.5.23. Thank you for the report on fuel. I have not sent a copy to Critchley as we were only asked by the Chairman to report to him.… | ||
| Scan091 | Covering letter forwarding correspondence from the R.A.C. regarding alcohol in petrol. | ||
| View original record | To BY. C. to Hs. C. to EP. X. 1555 Hm/NRC8/D1.6.23. Attached hereto is copy of letter re alcohol in petrol received by one of our customers from the Secretary of the R.A.C. It occurred to us that this… | ||
| Scan092 | Copy of a letter from the Royal Automobile Club regarding the quality of petrol available in France due to laws on alcohol mixing. | ||
| View original record | COPY OF LETTER FROM THE ROYAL AUTOMOBILE CLUB. May 29th. 1923. Dear Sir, We have received a letter from our representative in Paris regarding the importation of alcohol into France, and for your… | ||
| Scan093 | Request to keep petrol storage tanks and bins constantly filled to the utmost capacity. | ||
| View original record | Hs. V1555 EP/CEP5/EC26.6.23. Re. Petrol. --------------- We are requested by C.J. to keep the petrol storage tanks and bins constantly filled to the utmost capacity. Will you please give instructions… | ||
| Scan094 | The performance differences of a 20 HP car using various brands of petrol. | ||
| View original record | R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. X/555 EXPERIMENTAL REPORT. COPIES TO: R.C.J. BJ. WOR. By. E. Da. EP. PN. OY. Expl. No. X.4134 X.2561 X.1555 REF. HS2/LG26.10.23. OBJECT OF TEST. To observe… | ||
| Scan095 | Comparative tests on different grades of petrol to determine loading up during low-speed, full-throttle work. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H., D. 796 Expl. No. 1555 REF: HS5/LG25.10.23. EXPERIMENTAL REPORT. COMPARATIVE TESTS WITH DIFFERENT GRADES OF PETROL TO DETERMINE ANY DIFFERENCE IN 'LOADING UP' OF… | ||
| Scan096 | Comparing the performance of 20 HP cars using various brands of petrol. | ||
| View original record | R.R. 493A (40 H) (SL 42 12-7-23). J.H.D. 796 EXPERIMENTAL REPORT. Expt. No. 1555 REF: Hs5/LG25.10.23. COMPARISON OF PERFORMANCE ON 20 HP. CARS - 4-G-11 - 3-G-11 AND 79-AO (10,000 MILES TEST CAR) -… | ||
| Scan097 | Covering memo for a report on an Anglo-America Petroleum Spirit sample, discussing test options and a further attachment. | ||
| View original record | RG. from Hs. X1555 Hsl/LGl.1.24. RE. SAMPLE OF ANGLO-AMERICA PETROLEUM SPIRIT. We attach herewith a report from Hl. in connection with the above. We had intended waiting until we had an a high… | ||
| Scan098 | Laboratory analysis report for a sample of Anglo-American Petroleum Spirit, detailing distillation results and chemical composition. | ||
| View original record | Hs Rey H14/EA17.12.23 Laboratory Re Sample of Anglo-American Petroleum Spirit Distillation :- Specific Gravity .730 Boils at 58°C First Distillate over at 67°C Temperature °C % Distillate 80 13.0 90… | ||
| Scan099 | Laboratory report detailing the distillation test and chemical analysis of a Shell Aviation Motor Spirit sample. | ||
| View original record | H12/GLT7.4.23. Laboratory. C O P Y. Re. Sample tin of Shell Aviation Motor Spirit submitted yesterday. (Your ref: EP/CEP16/EMC6.4.23.) Specific Gravity ----- .737 Boils at ----- 86.0°C First… | ||
| Scan100 | The use of Discol fuel in car engines. | ||
| View original record | R.R. 403 (40 H) (SL 42 12-7-23). J.H., D. EXPERIMENTAL REPORT. X1555 COPIES TO: RCJ SJ WOR. By E. DA. EP. PN OY. RG HM Expl. No. X1555 REF. Hs5/LG19.8.24. OBJECT OF TEST. Report on Discol Fuel for car… | ||
| Scan101 | Performance test comparison between 'Discol' and 'Petrol' fuels on a specific chassis. | ||
| View original record | CHASSIS No 40GB 'DISCOL' FUEL TESTS CONSUMPTION. (AVERAGE RESULTS GIVEN OF SIX TESTS). | | DISCOL. | PETROL. | |---|---|---| | TIME TAKEN TO CONSUME 1 PINT AT 20MPH | 4 MINS. 53 SECS | 5 MINS. 9 SECS… | ||
| Scan102 | Blank document page with a print room stamp from Derby. | ||
| View original record | ROLLS-ROYCE LIMITED PRINT ROOM 20 AUG. 24 DERBY | ||
| Scan103 | Laboratory report detailing the distillation and specific gravity of a 50-50 Aviation Spirit and Benzole sample. | ||
| View original record | RK. X1555 H12/EA21.5.25. Laboratory. c to Hs. Re Sample of 50 - 50 Aviation Spirit and Benzole submitted this morning by the Exptl. Dept. Specific Gravity 0.797 Distillation :- Initial Boiling Point… | ||
| Scan104 | Use of BP, Shell, and Pratts petrol for testing cars and aero engines, including the introduction of tetra ethyl lead. | ||
| View original record | To R. from Hs. X1555 Hs4/LG15.11.26. ANGLO PERSIAN B-P. PETROL. X1555 / X985 X3113 We use quite a quantity of BP. petrol on the production testing of cars. Wherever possible, preference is given to… | ||
| Scan105 | Internal memorandum about 'Ethyl' petrol containing T.E.L. and its suitability for company cars. | ||
| View original record | To R. from Hs. c. to BJ. Wor. c. to RG. E. c. to DA. BY. c. to Hm. Mx. c. to CX. [Handwritten: +1555] Hsl/LG21.1.28. "ETHYL" PETROL. [Handwritten: +3113] The Anglo American Oil Co. are now widely… | ||
| Scan106 | Outlining two tests to be carried out on a K-S petrol gauge. | ||
| View original record | To GWH. from Hs/Rm. X1555 Hs/Rml/LG20.10.28. X4038 K-S PETROL GAUGE. We have two tests that we wish to carry out on this gauge :- (1) Tank to be filled full of 50/50 spirit - car brakes applied… | ||
| Scan107 | Covering memo regarding correspondence with the Zollpeer Motor Fuel Co. about motor fuel. | ||
| View original record | N-W. Hs. C. to Roy. X1555 A24/H.1.5.29. re Stores - Motor Fuel ----------------- Attached herewith please find copy of a letter addressed to us by the Zollpeer Motor Fuel Co., and copy of our reply,… | ||
| Scan108 | Letter from Zollpeer Motor Fuel Co. offering a free sample of their 'Zollpeer Car Power' fuel additive for testing. | ||
| View original record | COPY. Zollpeer Motor Fuel Co. 312 Deansgate, Manchester. 30th. April 1929. Major E.D. Adams, Rolls-Royce Ltd. Claremont Road, Cricklewood. Dear Sir, Mr. Brook of Plymouth has advised us that you are… | ||
| Scan109 | Letter to The Zolineer Motor Fuel Co. clarifying the procedure for motor fuel testing. | ||
| View original record | AE3/W.1.5.29. 1st May 1929. The Zolineer Motor Fuel Co., 312 Deansgate, MANCHESTER. Dear Sirs, re Stores - Motor Fuel Thank you for your letter of the 30th ulto. ref. WB. We think there must be some… | ||
| Scan110 | From Roy to Hs. regarding the late delivery of Ethylene Glycol. | ||
| View original record | Hs. from Roy. X/S-S-S. Roy.1/MJ.12.8.29. Kindly note your Ethylene Glycol is leaving late by road tonight and should be here between eight and nine tomorrow morning. Have told stores to pass it to you… | ||
| Scan111 | Quality of Ethylene Glycol delivered by Imperial Chemical Industries. | ||
| View original record | X15551 To Kg. from ROY. c. to Hs. ROY7/MG13.8.29 Imperial Chemical Industries advise that the 50 gallons of Ethylene Glycol delivered here this morning, as far as their Tests go, is equal in every… | ||
| Scan112 | Engine pinking, the use of different petrols, and using low-grade fuel in experimental cars to identify carburation faults. | ||
| View original record | To Wor. from Hs. X1555. Hs7/ADL.10.29. With reference to attached we are aware that certain brands of petrol have different anti-detonating values. Any complaint of exceptional pinking should first be… | ||
| Scan113 | Letter from British Petroleum Company Limited confirming the alcohol content of '33 Equals Brooklands Racing Mixture'. | ||
| View original record | FORM No 5067 X1588 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. Telegraphic Address: "BRITOLEUM," AVE, LONDON. Telephone: No NATIONAL 1212. BY APPOINTMENT British Petroleum Company Limited,… | ||
| Scan114 | Letter from the British Petroleum Company regarding the estimation of alcohol content in a fuel mixture. | ||
| View original record | CONTINUATION. Messrs. Rolls Royce, Derby. No. 2 DATE 14/5/30. There is a risk of error in this system as the fractions which you took are not necessarily dry alcohol nor, in spite of the extremely… | ||
| Scan115 | Letter from British Petroleum concerning a meeting about 'Brooklands Racing Mixture' fuel. | ||
| View original record | FORM No S067 X1855 ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY. BY APPOINTMENT Telegraphic Address: "BRITOLEUM", AVE, LONDON. Telephone No NATIONAL 1212. British Petroleum Company Limited.… | ||
| Scan116 | The safety and effectiveness of Ethyl Petrol in the company's car engines. | ||
| View original record | 81555. To Hd. From Hs/Rm. Hs/Rm. 3/KT. 22. 6. 31. ETHYL PETROL. X.3113. X.1555. The present time Ethyl Petrol is widely distributed throughout the country. It is possible that Rolls-Royce owners may… | ||
| Scan117 | Harold Moore opening a new laboratory for testing lubricating oils and motor fuels. | ||
| View original record | X1555 To BY. from ROY. c. to RG. [Text struck through] c. to Hs [Text struck through] c. to IH [Text struck through] ROY7/MG4.12.31 X1555 Harold Moore, of 181, Queen Victoria Street London E.C.4, has… | ||
| Scan118 | Letter from Harold Moore announcing the opening of a new laboratory for fuel analysis and valuation using a C.F.R. engine. | ||
| View original record | Copy From: HAROLD MOORE, M.Sc.Tech. F.C.S M.I.Petroleum Technologists A.Inst.Mech.Eng. Bridge House, 181, Queen Victoria Street LONDON E.C. 4 1st December 1931 HM/JP Dear Sirs, We have pleasure in… | ||
| Scan119 | Article in 'Automobile Engineer' on tests of Dominion Motor Fuels and a related supply arrangement. | ||
| View original record | X1555. Confidential To Hs. from ROY s. to EP c. to Hx ROY4/MG.7.12.31 There is an interesting article in this month's issue of the AUTOMOBILE ENGINEER, descriptive of a series of exhaustive tests… | ||
| Scan120 | Clarifying the position on recommended fuels, particularly National Benzole Mixture. | ||
| View original record | To Wor. From Hs. With reference to the attached. I was not aware that we made any definite recommendation as regards petrol. There is nothing mentioned in the Instruction Book. We expect cars to run… | ||
| Scan121 | Suggested letter stating the policy of not recommending specific fuel brands, such as National Benzole Mixture. | ||
| View original record | Wor. From Hs. V1555. Hs.7/MJ.19.2.32. With reference to the attached, we suggest the following letter might be sent. - Dear Sir, We wish to make it clear that we do not make any definite… | ||
| Scan122 | Specifications of a 'Safety Fuel' from the Standard Oil Co in New Jersey. | ||
| View original record | 81555. R. From Hs/Rn (In U.S.A.) c. to Ss. Hcr. c. to Ds. Da. c. to K. Ey. March 11th, 1932. SAFETY FUEL. ----------------- We went over to the Standard Oil Co's offices in New Jersey to get details… | ||
| Scan123 | List of octane values for various commercially available fuels tested on an S.30 engine. | ||
| View original record | OCTANE VALUES FOR FUELS OBTAINABLE FROM PUMPS - MARCH 24th/1933. Ethyl. 73-74. B.P. Plus. 72-73 High Test. 68 100°C Test. 600 Revs } S.30 Engine. Shell 68-70 Shell Mex. 64-66 Pratts Commercial 64-66.… | ||