Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 1\2\        Box Selection

IdentifierEntry
B001_X 53-page01 Recommended fuel mixture for detonations, a 4-cylinder car for Mr. Royce, and fitting aluminium pistons.
View original record X 56. To Mr. Platford. from EH. C. to Wor. EH6/LG17.12.18 17th. Dec. 1918. When Mr. Wormald and I were at West Wittering, Mr. Royce suggested that a circular memo should be sent round to all our…

B001_X 53-page02 Benzol and petrol fuel mixtures for Car X.53 to prevent engine detonation.
View original record R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bin. 2/156/13. To R. from EH. c. to CJ c. to E+ c. to EY. c. to EP. EH1/LG5.2.19. 5th February 1919. RE BENZOL MIXTURES FOR CAR X.53. We find that the mixture of…

B001_X 53-page03 Use of benzole and petrol/benzole fuel mixtures in cars, including freezing risks and mixture control settings.
View original record To CJ. from EH. X.53 EH8/LG7.2.19. 7th. Feb. 1919. With reference to attached:- Item 2. There is no danger of freezing when a mixture of 80% petrol and 20% benzole is used but there is a danger of…

B001_X 53-page04 Use of benzole and petrol fuel mixtures and proposing a customer leaflet.
View original record To CJ. from EH. X.53 EH8/LG7.2.19. 7th. Feb. 1919. With reference to attached:- Item 2. There is no danger of freezing when a mixture of 80% petrol and 20% benzole is used but there is a danger of…

B001_X 53-page05 Advantages of using an 80% petrol and 20% benzole fuel mixture.
View original record To R. From EH. c. to CJ. c. to E. c. to DY. c. to EP. RE - BENZOLE MIXTURES FOR CAR. We find that the mixture of 80% petrol and 20% benzole effectively cures all detonations on our cars. This is the…

B001_X 53-page06 Supplying radiator blanking plates to customers using benzol fuel to prevent damage.
View original record To CJ. from EH. c. to R. c. to BJ. c. to EP. X.53 EHL/LG13.3.19. 13th March 1919. At your request we attach herewith notes regarding the use of benzol and benzol mixtures on the R.R. chassis, which we…

B001_X 53-page07 Notes on carburation, engine temperature, and the use of benzol/petrol mixtures to improve performance.
View original record 13.3.19. NOTES ON CARBURATION AND THE USE OF BENZOL AND MIXTURES OF BENZOL AND PETROL ON R.R. CHASSIS. To obtain the best results and the most economical running on the R.R. chassis it is essential…

B001_X 53-page08 The effects of using benzol and petrol fuel mixtures.
View original record Contd. -2- 13.3.19. 2. Possibilities of it freezing. 3. A "Tarry" deposit is formed in the carburetter and on the inlet valve guides which eventually is likely to give trouble. 4. If spilt on the…

B001_X 53-page09 Page discussing the effects and adjustments required for a 50% Benzol and 50% Petrol fuel mixture.
View original record R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. -3- 13.3.19. Contd. or the float level. 50% Bensol 50% Petrol.(or 1 tin of benzol to 1 tin of petrol). With this mixture there is a smell of benzol…

B001_X 53-page10 Fuel tests on Shell Eastern Spirit, comparing it with benzol and petrol mixtures to prevent engine detonations and pre-ignitions.
View original record To R. from EH. c. to CJ. c. to E. c. to BY. c. to Da. c. to EP. X.53. EH4/LG2.4.19. RE FUELS X.53, X.2538, X.1282. We have carried out further tests with the Shell Eastern Spirit and compared it with…

B001_X 53-page11 Adding a percentage of benzol to petrol for the Atlantic Flights.
View original record Contd. -2- EH4/LG2.4.19. benzol. We recommend a mixture of petrol and benzol because there are certain well known disadvantages in using all benzol. Although the Shell people are supplying us with…

B001_X 53-page12 Development of radiator louvres to improve engine performance in cold weather.
View original record To FH. from R. c. to FJ. copy X.53 X.3499 RE LOUVRES FOR RADIATORS, FUEL, ETC. With reference to louvres for radiators, ETC. I think the best thing will be to go the whole hog and as soon as ever…

B001_X 53-page13 Engine performance when changing from petrol to benzol fuel from Birchenwood Collieries.
View original record Contd. -2- carburetter. On changing from the No.3 Anglo-American fuel to some good benzol originating at Birchenwood Collieries, this car could be made to run perfectly satisfactorily without the…

B001_X 53-page14 From R. to E.H. investigating the possibility of removing the carburetter's hot water jacket due to suspected fuel boiling issues.
View original record To EH. from R. c. to CJ. c. to BN. copy RE CARBURATION. X.53 ✔ X.233 The other day I was using the car here with the lightest of benzol, namely, that obtained from Birchenwood Collieries. I had a…

B001_X 53-page15 Specifying the weight for a special float for use with 100% benzol fuel.
View original record To BY/JH. from EH. X.302. X.53 EH1/LG24.5.19. 24th. May 1919. With reference to the special float for the use with all Benzol, the float should be 11 drams heavier than the present standard float. The…

B001_X 53-page16 Offer of assistance from the chemists at Staveley Iron Works for fuel testing.
View original record To BN. from EH. X.53 EH1/LC3.6.19. 3rd. June 1919. When one of Mr. Hanbury's staff visited Mr. C.P. Markham with reference to his cars, in the course of conversation he said:- "that if his staff of 25…

B001_X 53-page17 The use of benzol fuel, referencing a possible jelly mixture and experiences with different brands.
View original record R.R. 235 B (200 T) (S.F. 103, 25-10-18) G. 2244. R9/G28.6.19. To CJ. from R. c. to Bn. c. to EH. X.53✔ RE REPORT OF THE POSSIBLE JELLY MIXTURE WITH BENZOL It is quite evident that benzol should not be…

B001_X 53-page18 And engine report for car No. 789, detailing its condition after 40,000 miles.
View original record To BJ. c. to BH. c. to EH. copy X.53 Hm7/W24.7.19. Would you please see copy of letter attached from Mr. Bulter re car No.789, also our comments. Would you also please advise us as to the action to be…

B001_X 53-page19 Letter from a customer detailing collision damage and requesting an engine inspection after long-term use of Benzole fuel.
View original record COPY. Wm. BUTLER & CO (BRISTOL) LIMITED., Head Office, St. Phillips, BRISTOL. June 7th. 1919. "Charnwood" Cotham Park, BRISTOL. Messrs. Rolls-Royce Ltd., Derby. Dear Sirs, I confirm telephoning you to…

B001_X 53-page20 Page two of a letter from W. Butler discussing a vehicle's usage history and arrangements for an examination.
View original record -2- Messrs. Rolls-Royce Ltd., June 7th. 1919. The writer will be quite prepared to pay any expenses incurred in such an examination, and test, but he would like you to put somebody on the job who…

B001_X 53-page21 Letter from a fuel supplier enquiring about the performance of Benzole motor spirit in vehicles.
View original record All Quotations Subject to the usual Strike and Accident Clauses and to Acceptance by return of Post, unless otherwise stated. X 53 Telegraphic Address: "COLAGENCY, BILGATE, LONDON." PHILLIPS &…

B001_X 53-page22 Internal correspondence slip regarding a query from Phillips & Co. Ltd. about Benzole Motor Spirit.
View original record R.R. 624 (20M) (SD. 619. 29/6/17.) Bm. 2/165/21. BP/CW4819. August 4th. 1919 Stamped: 8496 MR BAILEY. D.O. [struck through] MR. WORMALD. LIST OF LETTERS FOR ATTENTION. NAME OF CUSTOMER: Phillips &…

B001_X 53-page23 Royal Automobile Club Certificate of Performance for a 10,000-mile trial of National Benzole fuel.
View original record ROYAL AUTOMOBILE CLUB Certificate of Performance No. 441 (UNDER THE OPEN COMPETITION RULES OF THE R.A.C.) 10,000 Mile Trial of "National Benzole." October 8th, 1919, to January 7th, 1920. This is to…

B001_X 53-page24 10,007.25-mile trial, detailing routes, performance, fuel consumption, and post-trial engine condition.
View original record hill, i.e., the clutch and gear were not disengaged. The mileage covered was 10,007.25 miles. The trial was held on the Six Standard Trial Routes of the Club, which radiate from London. One of these…

B001_X 53-page25 Advisory on the corrosive effects of sulphur in benzol fuel on car components.
View original record To Hs. from R. Copy to CJ. " " Bn. " " C. " " PN. " " H. " " EP. " " HM. X 53 R7/G26.1.20. X.53. - RE BENZOL. We have been using benzol here of one or two qualities, including the Staveley, which we…

B001_X 53-page26 Proposing an update to the Chassis Instruction Book regarding the use of benzol fuel mixtures.
View original record R.R. 281A (100 T) (S.H. 768, 10-12-20) G. 1047 X.53 EP ) Hs ) Hm ) - from Mr. Walker. Bn )) Bn/W1/CK4.2.20 X.995. Chassis Instruction Book X.53 Re Use of Benzol. Arising out of R's memo R7/G26.1.20.,…

B001_X 53-page27 Issues with gauze for petrol strainers, suspecting the sulphur in benzol as the cause.
View original record X.53 COPY To Bn. from R. Copy to CJ. " " Da. " " Hs. " " Hl. " " Ck. R2/G9.2.20. X,3701. - RE GAUZE FOR PETROL STRAINERS. X.53 With reference to gauze for petrol strainers, my impression at the moment…

B001_X 53-page28 Recommendations for the use of Benzole fuel mixture in the chassis instruction book.
View original record Mr. Walker. c. to Hs. c. to Hm. c. to Bn. C.K. X.53. EP7/F10.2.20. X995 RE. CHASSIS INSTRUCTION BOOK, AND USE OF BENZOLE. X.53 With reference to your memo Bn/Wl/CK4.2.20, in recommending the use of…

B001_X 53-page29 Internal query regarding the experience of running a car on 100% Benzol fuel for a client.
View original record S/W EP. COPY. attached EP/T/Y/FG.9.2.20 Cx11/WM28.2.20. RE Dr. Dearden. The above mentioned client called upon us yesterday to ask whether you had any experience of running a Rolls-Royce car on 100%…

B001_X 53-page30 Corrosive action of Benzol fuel on copper engine components and related running issues.
View original record X.53. COPY to He. } from Bn. (13. 3. 20.) Hl. Ck. Hl/EP/12.3.20. S/W. Bn. X 53. Re:- ACTION OF BENZOL ON COPPER. Some time ago I understood that you were carrying out at "W". experiments on various…

B001_X 53-page31 Covering memo regarding the re-use of Benzol, attaching a memo from the Sales Department.
View original record Hs. from EP. @1k X.53. COPY. EP/T7/F9.3.20. X.53. RE USE OF BENZOL. We attach copy of memo. received from Mr. Cox, Sales Dept. and should be glad if you will let me know what should be said in reply,…

B001_X 53-page32 Requesting information regarding the use of Benzole.
View original record Hs. X 53 EP/HS12/018.3.20. F.R. Re. Use of Benzole. ---------------- Referring to our memo' EP/T7/F9.3.20 attaching copy of memo' Cxl1/WM28220, we have received a further memo' from Cx. copy of which…

B001_X 53-page33 Follow-up memo chasing a reply regarding an enquiry about running a car on 100% Benzole.
View original record (COPY) S/W. Cxl/WM17320. re. Dr. Dearden. ---------------- Referring to my memo Cxl1/WM28220 concerning this gentleman's enquiries about running a car (R.R.) on 100% Benzole, I have had no reply from…

B001_X 53-page34 The use of benzol as fuel, advising against 100% benzol and recommending a 50/50 petrol-benzol mixture.
View original record X.53. To EP/T. from Hs. X.53. RE USE OF BENZOL. With reference to attached memo. from Ck. regarding the use of 100% benzol for our cars. We do not recommend using 100% benzol on our cars chiefly…

B001_X 53-page35 Requesting guidance on the use of Benzole fuel for their cars.
View original record Hs. X53 EP/T11/F31.3.20. F.R. RE. USE OF BENZOLE. Many thanks for your Hs2/LG1/9.3.20. I am anxious to circularise our various Depots giving them our recommendations regarding what fuels should be…

B001_X 53-page36 Extracts from a report on Mr. A.L. Onslow's chassis No.173, detailing springing and petrol consumption.
View original record X.53 Copy to R. " " Worl " " Hs. " " EP. " " EFC. To Bn. from BJ. BJ1/S7.4.20. X.2628 X.53. The following are extracts from Cr's report No. 1390 re Mr. A.L. Onslow's chassis No.173. "Springing. Said…

B001_X 53-page37 Short note suggesting sending extracts to a person or department 'R'.
View original record -2- BJ1/S7.4.20. Perhaps you would like to send these extracts to R if you consider they are of sufficient interest. BY.

B001_X 53-page38 Requesting further information regarding the use of Benzole.
View original record R.R. 235 s (200 T) (S.F. 674. 22-5-19) G. 1370. Hs. X53 EP/HS32/013.4.20. F.R. Re. Use of Benzole, ---------- Referring to our memo' EP/T11/F31.3.20 in which we acknowledged the receipt of your…

B001_X 53-page39 To re-estimate the monthly requirements of National Benzole fuel.
View original record R.R. 235 B (5 T) (S.G. 504, 8-1-20) G. 2585. X53 EF. from Wd. c. to Hs. Wd7/NJ28.7.20. National Benzole. Herewith I hand you copy of a letter from the National Benzole Co.Ltd. dated 27th inst.…

B001_X 53-page40 Letter from The National Benzole Company Ltd. regarding the supply of National Benzole due to inadequate production.
View original record F. P. 5a (100 T) S. G. 643, 19-2-20) G 2618 C O P Y. LETTER FROM:- THE NATIONAL BENZOLE COMPANY LTD., 30, GROSVENOR GARDENS, LONDON S.W.1. 27th July 1920. Messrs. Rolls-Royce Ltd., Nightingale Road,…

B001_X 53-page41 Challenge of obtaining regular deliveries of National Benzole and increasing requirements to 1000 gallons per fortnight.
View original record Wd. (struck through) c to Hs. X53 EP/T5/F29.7.20. A.T. Re - National Benzole. Replying to your memo Wd7/N28.7.20 we should like to point out that it is not a question of not being able to utilise the…

B001_X 53-page42 Letter from the National Benzole Company promoting their fuel and a special lubricating oil.
View original record x 53 Book in drawer (HS) TELEPHONE, VICTORIA 9119. TELEGRAMS,"NABENZO, SOWEST, LONDON." [STAMP: 4 NOV 1920] NATIONAL BENZOLE COMPANY LTD. 30, GROSVENOR GARDENS, LONDON, S.W.1. Ref: General Management…

B001_X 53-page43 Protected price list for N.B.C. Benzole Lubricants for commercial users.
View original record October 1st, 1920. PROTECTED PRICE LIST Commercial Users N.B.C. BENZOLE LUBRICANTS Medium and Heavy. PRICING TABLE COLUMNS: 1. BULK (PER GALLON). 2. BARRELS. 40 GALLONS. 3. DRUMS. 10 GALLONS. 4.…

B001_X 53-page44 Laboratory report on gauze filter corrosion caused by Benzol, detailing the effects of sulphur and water.
View original record Hs Hs 30 JUL 1920 Mr Warwick Exptl. Bill/HPS1220. Laboratory. RECEIVED RE. BENZOL. The matter of gauze filter corrosion was gone into some time back and the results of various tests were shown to Mr…

B001_X 53-page45 Request for a list of tested benzols to be ranked in order of merit.
View original record Mr Warwick, (Experimental Dept) Can you please let me have a list of any benzols you have tested & place them in order of merit. Please return all this correspondence. Hs 25.11.20 Treep

B001_X 53-page46 Problems caused by impure benzol fuel and the lack of progress in testing to find a pure alternative for customers.
View original record R R/ 950, s (20 T) (S.B. 972, 14-4-20) G. 2674 D.S. [STAMP: RECEIVED 24 NOV 1920] H5/TB/23.11.20. To BJ. from H. Re - BENZOL. Last year we had a special circular printed and issued to all our…

B001_X 53-page47 Notice to car owners regarding engine operation with low-grade petrol and benzol.
View original record 15th February, 1919. TO OWNERS OF R.-R. CARS. Re LOW GRADE PETROL, BENZOL, ETC. OWING to the present supply of motor spirit being less volatile than formerly, the following points are of value to…

B001_X 53-page48 Requesting information on the deleterious effects of various qualities of Benzol fuel on copper parts, particularly petrol tank filters.
View original record R.R. 950 s (20 T) (S.B. 914. 5-9-19) G. 2470 H1/TB/17.11.20. C With reference to the attached, can you let me have the information "S" is supposed to have received as to various qualities of Benzol as…

B001_X 53-page49 The testing of different brands of benzol for Chassis No. 1248.
View original record W/S. To Mr. C. Davies from - Hr. Hr1/H15.11.20. Memorandum No. 1788. A. F. WALLACE. - Chassis No. 1248. Re Staffordshire Chemical Co. Benzol. Reference your CD2/EP/12.11.20. I regret that this matter…

B001_X 53-page50 Request for carburettor adjustment information for using Benzole fuel, for a booklet by the National Benzole Association.
View original record E. de NORMANVILLE Automobile Journalist. TELEPHONE NUMBER, WILLENDEN 1788 TELEGRAPHIC ADDRESS: MOTANOTA, WILLGREEN. "The Daily Express" "The Sunday Express" "The Motor Owner" "Motor Commerce" "The…

B001_X 53-page51 Recommendation to use a half Benzole and half petrol fuel mixture for demonstration purposes.
View original record To Hs. & PN. from R. c. to CJ. & BJ. X53 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…

B001_X 53-page52 Follow-up request for information on the advisability of using Benzol fuel in a 20 HP chassis.
View original record Hs. Experimental Dept. X53 Bs24/KW13.4.23. S/W. 20 H.P. - Use of Benzol. We have a customer who has requested information concerning the advisability of using Benzol on the 20 H.P. chassis. We asked…

B001_X 53-page53 Confirming that recommendations for Benzol use in the 40/50 HP engine also apply to the 20 HP engine.
View original record W/S Bs. from Hs. c. to EP. Y.53 Hs3/LG30.4.23. 20 HP. - USE OF BENZOL. Referring to your Bs24/KW13.4.23. Our recommendation with regard to the 40/50 H.P. in connection with the above, applies to the…

B001_X 53-page54 On carburetter float materials, corrosion issues with benzol, and testing of Duckhams New Process Oil.
View original record To FN. from Hs. c. to EP. c. to C. c. to Hm. X53 Hsl/LG4.4.24. X1588 X53 RE. ERNEST HUTTONS' 20 HP. CAR. The float in the carburetter on the 20 HP. is made of brass, not copper. The 40/50 HP. has a…

B001_X 53-page55 Storage and use of National Benzole mixture in cars.
View original record 153 PN5/DN/18.7.24. TO Hs c. to EP FROM PN We have been approached by the National Benzole Co. Ltd. on the question of our being willing to store any supplies of their "National" Benzole mixture at…

B001_X 53-page56 Letter from the National Benzole Company inquiring about the performance of their fuel mixture in Rolls-Royce engines.
View original record 153 QUOTATIONS AND PRICES ARE SUBJECT TO MARKET FLUCTUATIONS WITHOUT NOTICE. TELEPHONE: VICTORIA 9116 (5 LINES) TELEGRAMS: NABENZO,SOWEST,LONDON NATIONAL BENZOLE COMPANY LTD. DIVISIONAL OFFICES…

B001_X 53-page57 Letter from the National Benzole Company Ltd. enquiring about the suitability of using Benzole as a fuel in Rolls-Royce cars.
View original record TELEPHONE, VICTORIA 9115 (PRIVATE EXCHANGE) TELEGRAMS, "NABENZO, SOWEST," LONDON. 453 NATIONAL BENZOLE COMPANY LTD. WELLINGTON HOUSE, BUCKINGHAM GATE, LONDON, S.W.1. Managing Director's Office.…

B001_X 53-page58 Letter to the National Benzole Company Ltd. concerning the use of Benzole fuel in a 20-HP car.
View original record N53 EP/Thn7/H281124. November 28th 1924. The Managing Director, National Benzole Company Ltd., Wellington House, Buckingham Gate, LONDON. S.W. 1. Dear Sir, We beg to acknowledge receipt of your letter…

B001_X 53-page59 The use of Benzole fuel with 40/50 and 20-HP cars.
View original record HS. C.PY N53 EP/Thn8/H28.11.24. re. Use of Benzole with both 40/50 and 20-HP Cars. You will remember that we discussed with you the other day the question of a customer who had a 20-HP car running on…

B001_X 53-page60 Required weight of a 20 HP engine float for use with Benzol fuel.
View original record X53 To Hs. from Hs/TMW. Hs/TMW/LGL.1.25. 20 HP. FLOAT FOR BENZOL. +4228 Herewith float which has been weighted to give correct level in float chamber when using Benzol. Particulars of weight etc :-…

B001_X 53-page61 Laboratory report detailing the distillation and analysis of a 50/50 Petrol-Benzole sample.
View original record COPY. X53 To Hs. for Mr. Robotham. H16/EA16.1.25. Laboratory. C.E Rq RE. SAMPLE OF 50/50 PETROL-BENZOLE. X985 X53 Distillation :- Specific Gravity .815 Initial boiling point -------- 40°C Final…

B001_X 53-page62 Laboratory analysis report on a petrol sample containing 11.5% benzole.
View original record C O P Y. Hs. for Mr. Robotham. H15/EA16.1.25. Labatory. RE. SAMPLE OF PETROL CONTAINING 11½% BENZOLE. Distillation :- Specific gravity .712 Initial boiling point -------- 38ºC Final boiling point…

B001_X 53-page63 Laboratory analysis comparing the chemical composition of Redline and Shell-Mex motor spirits.
View original record C O P Y. Hs. for Mr. Robotham. H1/EA16.1.25. Laboratory. RE. SAMPLE OF REDLINE MOTOR SPIRIT AND SHELL-MEX MOTOR SPIRIT. Analysis. Redline. Shell-mex. Olefines and di-olefines -------- 6.0% 5.0%…

B001_X 53-page64 Engine pinking and detonation in 20 HP and New Phantom models, and the potential use of a Benzole mixture to resolve the issue.
View original record S/W. Hs. Copy to:- Pn. H. X53 CWB1/GM/9-6-26. Pinking and detonation. Different engines both 20 h.p. and New Phantom, appear to be very variable as regards their tendency to pink or detonate. A number…

B001_X 53-page65 Engine pinking and detonation, recommending the use of National Benzol Mixture fuel.
View original record CWB. To EM. from Hs. X53 Hs4/LG14. 6. 26. PINKING AND DETONATION. X53/X93 Replying to your CWB1/GM9. 6. 26. We have found no disadvantages in using Benzol mixture. R. frequently uses this fuel on cars…

B001_X 53-page66 The use of National Benzol Mixture and the policy on fuel recommendations.
View original record W/S. To Bgs. from Hs. X53 Hs2/LG16.7.26. BENZOL MIXTURE. X53 With reference to your Bgs10/EH15.7.26 attached. As far as we know we do not make any definite recommendations as regards fuels to be used…

B001_X 53-page67 Low aromatic content in a 20% Benzol mixture for the Eagle XV Type Test and suggesting potential fuel separation.
View original record X53 Mr. Rowledge. c to Mr. Hives. Mr. Bailey. Mr. Grinage. A.I.D. W/HB/G25/29-10-26 20% BENZOL MIXTURE. The figure for aromatic content obtained on the Eagle XV Type Test was low for a 20% mixture. In…

B001_X 53-page68 Test report from the Non-Metallic Test House on a sample of Petrol-Benzol mixture.
View original record COPY. TEST REPORT NO. 1705 F.664 NON-METALLIC TEST HOUSE. A.I.D. NO.I. STORES DEPOT. KIDBROOKE. S.E.3. to:- Inspector-in-Charge. A.I.D. Messrs Rolls Royce Ltd., Derby. Samples submitted by A.M.Form…

B001_X 53-page69 Suitability of chamois leather petrol filters when using benzol and exploring alternative filter types.
View original record X53 To R. from Hs. c. to BJ. MOR. c. to HL. H. c. to DA. BY. c. to FN. CHS. Hs2/LGL.12.26. PETROL FILTERS. X53 X3701 Recently we have been recommended a chamois leather type of filter. We have taken…

B001_X 53-page70 The use of Benzol fuel in Phantom cars, requiring an increase in carburetter float weight.
View original record To BP. from Hs. c. to BY. X53 Hs4/LG30.12.26. USE OF BENZOL ON PHANTOM CARS. With reference to the attached letter from Messrs. Cockshoot & Co. of the 21st.inst. There is no reason why pure Benzol…

B001_X 53-page71 The decision not to use chamois leather for petrol filters due to the material rotting.
View original record To Hm. from Hs. X53 Hs1/LG5.1.27. 20 HP. GOK-75. 74037 With reference to the enquiry from 'S' when we shall be fitting the chamois leather filter. It has been decided that we shall not use chamois…

B001_X 53-page72 Arranging a Condor IV engine type test using different Benzol fuel mixtures to investigate gumming.
View original record Hs. X53 CONDOR IV TYPE TEST In making our next attempt at a type test on the Condor IV, will you please for the duration test use only 20% Benzol mixture, and arrange a separate tank for 50% Benzol…

B001_X 53-page73 Confirming no objection to using National Benzole Mixture fuel in 40/50 HP and 20 HP cars.
View original record To BP. from Hs. Y /53 Hsl/LG28.4.27. With reference to the attached letter from The National Benzole Co., dated 25th.inst. We have no objection to National Benzole Mixture being used on either 40/50…

B001_X 53-page74 Proposal to adopt Aviation fuel with 20% Benzol as the standard for all aero engine testing, with a preference for Shell as the supplier.
View original record X53 To RG. from Hs. c. to Roy. c. to EP. c. to BY. c. to Wor. Hs4/LG2. 5. 27 PETROL FOR AERO ENGINES. X1282 The recognised service fuel for aero engines is Aviation with an addition of 20% Benzol. All…

B001_X 53-page75 From the Aeronautical Inspection Directorate concerning an analysis of a 20% Benzol mixture.
View original record X53 A.M. FORM 1084. AERONAUTICAL INSPECTION DIRECTORATE. MEMORANDUM. No. 1 From INSPECTOR IN CHARGE A.I.D. To Mr. Hives. Mr. Rowledge. c to Mr. Gringe, A.I.D. Date June 2nd. 1927. (C626). Wt.…

B001_X 53-page76 Test report on a sample of 80% Aviation Spirit plus 20% Benzol for the F.X. Engine No. 18.
View original record TEST REPORT NO. 2790. NON METALLIC TEST HOUSE. A.I.D. NO.I. STORES DEPOT. R.A.F. KIDBROOKE. F/742. To:- Inspector in Charge. A.I.D. Messrs Rolls Royce Ltd. Derby. Samples submitted by A.M. Form 694…

B001_X 53-page77 Analysis of a Shell Aviation and Benzol fuel mixture which is low in aromatic content.
View original record To Roy. from Hs/TMW. X53 Hs/TMW1/LG13.6.27. SHELL AVIATION AND BENZOL. X53 X20431 We have now received a consignment of the above, which should have been mixed by the Shell Co. in the proportion 20%…

B001_X 53-page78 Laboratory report on the specific gravity and aromatic hydrocarbon content of a 20% Benzol Mixture.
View original record Hs/Mr.Halliwell. H12/EA17.10.27. Laboratory. Report No.L995. Re Sample of 20% Benzol Mixture submitted 13.10.27. The specific gravity of the above spirit was found to be 0.763, and the Aromatic…

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