Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box ExFiles\Box 20\4\        Box Selection

IdentifierEntry
Scan001 Test results for 'Mex' Spirit on bench engine X976.
View original record R.R. 148. (20 H) (F. 23. 22.4.09) G. 6930. Tests on "Mex" Spirit Taken 16/21-7-09 3200 by Worler on Bench Engine X976 Speed | V Reading | A Reading | HP | Carburettor set to full off at | Time of 1"…

Scan002 Bench engine test results for 'Rupidin' spirit fuel.
View original record R.R. 148. (20 H) (F. 23. 22.4.09) G. 6930. X976/16-21/7/09 3200. Tests on "Rupidin" Spirit Taken by Worler on Bench Engine Speed | V Reading | A Reading | HP | Carburettor set | fall off at. | Time of…

Scan003 Porcelain soot condition and jet settings.
View original record Porcelain Reddish Brown Soot. 80%. 3 notches, weak on L-S jet. 5 " weak on H S jet.

Scan004 Customer query on the exclusive use of 'Mex'.
View original record R.R. 627. (100M.) (VV 663. 9-3-14.) E.P. 6166. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). F.R. Names and Indicating letter. Initial of…

Scan005 Internal memorandum clarifying the use of Mex Spirit versus the superior Shell No.1 Spirit for testing cars.
View original record R.R. 657. (100H) (VV. 653. 9-3-14) E.P. 6166. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Wor/Mcrl0/L4514. Re Mex Spirit. X.976 Names and…

Scan006 Giving an opinion on a cheaper but equally good alternative.
View original record K. 657. (100M) (VV. 586. 23.2.14) E.P. 6076. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: 'ROYCAR,' DERBY. TELEPHONES: 476 (FOUR LINES). Names and Indicating letter. | Initial of person…

Scan007 Clarifying the use of Mex Spirit versus Shell No. 1 Spirit for vehicle testing purposes.
View original record R.R. 235a (150 H) (V.V. Sty. 16-1-14) G. 9478. Wor/Mcr3/B8514. Re Mex Spirit. X. 976. D. 8/5/14. In reply to your memo L3/W2514, we wish to reply as follows: In the first place the circular issued by…

Scan008 Relative effectiveness and engine detonation issues between 'Mex' and 'Pratt's' spirits.
View original record ROLLS-ROYCE LIMITED, 14 & 15, CONDUIT STREET, LONDON, W. TELEPHONES: 1654, 1655, 1656 (GERRARD) TELEGRAMS: 'ROLHEAD' REG. LONDON. Names and Indicating letter. A Mr. ADAMS By Mr. BAILEY Bn Mr.…

Scan009 Remarks on letters received concerning Mex Motor Spirit.
View original record R.R. 657. (100H) (WW.968. 17.11.14.) E.F. 7593. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (Four Lines). Names and Indicating letter. Initial of person…

Scan010 Letter from William Arnold enquiring about the suitability of Mex petrol for Chassis 31-PB.
View original record COPY. William Arnold. MANCHESTER. January 21st.1915. Messrs Rolls Royce Ltd., Nightingale Road, Derby. Dear Sirs, Chassis 31-PB. The owner of the above car has made an enquiry from me in reference to…

Scan011 Customer letter of complaint about the quality of Shell fuel and seeking advice on using 'Mex' Spirit as an alternative.
View original record COPY. Holbeck Ghyll, Windermere. Messrs Rolls Royce Ltd., Derby. Dear Sirs, Shell Motor Spirit. -------------- Since I got my car from you I have never used any other than Shell, but recently the…

Scan012 Clarifying the use of Mex Motor Spirit for testing purposes compared to the superior Shell No.1 spirit.
View original record Wor/Mcr3/L23115. Re Mex Motor Spirit. - X.976 23.1.15. Mr Plumpton. In reply to your memo Wor/HS34/022115, we would like to point out in the first place that we do not use Mex spirit exclusively on…

Scan013 Potential change in petrol suppliers from 'Mex' to 'Shell'.
View original record Wd. c. to HS. X.976 EP/T11/F11.8.20 X.976 RE PETROL X41586 X985 Replying to your Wd8/NJ10.8.20, we have discussed this matter with Mr. Hives and should be glad if you could let us know at what price…

Scan014 Complaint regarding short-filled and unsealed tins of Mex petrol from The Bowring Petroleum Company.
View original record To Mr. Alvey O.O. from Hs. C K x976 HS2/LG9.2.20. X.976 RE MEX PETROL. We find that when we receive Mex petrol in tins that several of the tins which are supposed to contain 2 gallons, only contain 1…

Scan015 Questioning the continued use of Mex Petrol and recommending a switch to Shell Spirit.
View original record To Wd. From Hs. c. to EP. x.976 qFC Hs9/LG23.6.20. RE - PETROL. Why is it that we stick to Mex Petrol? Do we get better terms from them than we get from the Shell? I think there is no doubt, that the…

Scan016 Cost and quality of different petrol suppliers for engine testing.
View original record EP. from Wd. c. to Hs. c. to Hm. c. to Hl. X. 976. Wd8/NJ27.1.21. X.1386 RE PETROL. X.976 In view of the remarks in R's note R9/G24.1.21, you will probably consider the advisibility of employing "Mex"…

Scan017 Laboratory comparison report of two petrol samples, 'Mex' and 'BP1', detailing their properties.
View original record R.H. 238A (100 T) (S.H 159 11-8-20) G. 2500 X.976 Hs 2 RECEIVED FEB 11 1921 a Mr Alvey. c Mr Warwick. Laboratory. H19/EB11.2.21. X976 X985 X1356 Re Two Tins of Petrol submitted to-day, one marked Mex,…

Scan018 Laboratory report detailing the distillation results of a Shell Mex Spirit fuel sample.
View original record H.M. 985A (100 T) (H.H. 7/28. 10-12-30) (G. 5947) X976 Hs. H12/GLT20821. Laboratory. Re Sample of Shell Mex Spirit submitted this Morning. First distillate over at 89.0°C. 100°C -- 13.0% Distillate.…

Scan019 Laboratory distillation test results for a mixture of Shell Mex Spirit and 10% Parafin.
View original record R.R. 832A (100 T) (S H. 798. 10-12-20) G. 2247 Hs. P.O. R.T. RECEIVED AUG 22 1921 X976 Hll/GLT22821. Laboratory. Shell Mex Spirit + 10% Parafin submitted this morning. First distillate over at 87.8°C…

Scan020 Instruction sheet recording numerical data for a 'Max Spirit' test, likely for engine performance, at various RPMs.
View original record RR 6 (500 T) (SF 121. 28.10.18) MP 197597 ROLLS-ROYCE LIMITED. INSTRUCTIONS. X976 To Max Spirit Barom 29.6 Order No. Customer's No. Revs str lift Cons Pts Per Hr Strong Weakest 2000 364 364 204 .54…

Scan021 Instruction sheet containing handwritten tabulated data for various revolution speeds.
View original record RR 6 (500 T) (SF 121. 28.10.18) MP 197597 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Shell No 1 Barom 29.6 Order No. Customer's No. Cons Pt 1/2 hr Revs | lbs lift | Strong | Weakest 2000 | 368 | 208 | 200…

Scan022 Impracticality of testing all submitted oil brands and questioning the benefits of testing Shell Mex oil.
View original record To BJ. from Hs. c. to Hr. X976 Hs2/LG27.10.22. RE. SHELL MEX. X1588 X976 It is quite impossible for us to test and report on all the various brands of oil we have submitted to us. At the present time…

Scan023 Page 2 of a memo regarding the policy on testing and reporting on parts.
View original record contd:- -2- test and report on them, but unless we see some very real value in the part, we send it back by return. Hs.

Scan024 Offer from Shell-Mex Limited to test their oils.
View original record To W. from B.J. No. X976 Exp. Dept. [struck through] BJ2/H4.11.22. Re Shell-Mex Limited. These people have written us with reference to our testing their oils. They say, "May we suggest that you now…

Scan025 BJ to Hs agreeing to write to the Shell Company regarding Shell Mex.
View original record X.976 To Hs. from BJ. BJ6/H28.11.22. Re SHELL MEX. Thank you for Hs2/Lg27.10.22. I quite agree with what you say and will write to the Shell Company accordingly. B.J.

Scan026 Attaching a copy of a letter addressed to Shell-Mex Ltd.
View original record X976 To Hs. from BJ. BJ/Py5/D30.11.22. Re: Shell-Mex Ltd. With reference to your Hs2/LG27.10.22, I attach for your information copy of letter addressed to the Shell-Mex Ltd. yesterday. BJ/Py. Att:…

Scan027 Letter to Shell-Mex Ltd. concerning the requirements for testing their oil for potential recommendation.
View original record [Handwritten] Pink Spare. BJ/Py7/D291122. [Stamp: DEC 4 REC'D] 29th November 1922. [Illegible handwriting over stamp] Messrs. Shell-Mex Ltd., Shell Corner, Kingsway, W.C. 2. Dear Sirs, With further…

Scan028 Page 2 of a letter outlining the policy for testing goods from other firms.
View original record -2- BJ/Py7/D291122. cheaper? Is it better distributed throughout the world? Is it easily obtained all over the Continent? You will understand we are constantly being asked by firms to test goods of…

Scan029 Letter from Harry Ricardo discussing the performance of a special Shell oil compared to castor oil.
View original record Copy to Hs. from Rg. X976 Bridge Works, Old Shoreham, Sussex. Ref: Wks/HRR/S/6875 16th. April, 1923. A. J. Rowledge, Esq., C/o Messrs. Rolls-Royce Ltd., DERBY. My dear Rowledge, Have you yet had an…

Scan030 Announcing the market availability of Shell Super-Light Oil after testing.
View original record LG Please order 20 galls of this oil Hs. HS Rg2/W17. 9. 23 Please note that the special Shell Oil that we have been testing is now on the market and may be purchased from Messrs. Shell Mex Ltd., Motor…

Scan031 'Hs' to 'Ms' requesting an order for 20 gallons of oil.
View original record To Ms. from Hs. X976 Hs1/LG1.10.23. In connection with the attached note from Rg. ref. Rg2/W17.9.23. Will you please order 20 galls. of this oil. Hs.

Scan032 The performance differences of a 20 HP engine using various brands of petrol.
View original record R.R. 493 (40 H) (SL 42 12-7-23). J.H., D. Handwritten: X976 EXPERIMENTAL REPORT. COPIES TO: R.CJ. BJ. WOR. By. E. Da. EP. PN. OY. Expl. No. Handwritten: X1434 X976 X1555 REF. Hs2/LG26.10.23. OBJECT OF…

Scan033 Comparative tests of different petrol grades to determine differences in 'loading up' during low-speed, full-throttle work on a 4-Goshawk-11.
View original record R.R. 493A (40 H) (SL 42 12-7-23). J.H. D. EXPERIMENTAL REPORT. Expl. No. REF: He5/LG25.10.23. COMPARATIVE TESTS WITH DIFFERENT GRADES OF PETROL TO DETERMINE ANY DIFFERENCE IN 'LOADING UP' OF MIXTURE…

Scan034 Performance comparison of 20 HP cars using various brands of petrol.
View original record COMPARISON OF PERFORMANCE ON 20 HP. CARS - 4-G-11 - 3-G-11 AND 79-AO.(10.000 MILES TEST CAR) - WITH VARIOUS BRANDS OF PETROL. Chassis No. | Test. | Shell No.1. | Shell Mex. | Red Line. --- | --- | ---…

Scan035 Suitability of Shell-Mex oils and the pressure to conduct tests on them.
View original record To W. from BJ. BJ5/H24.12.24. 4976 SHELL-MEX LIMITED. We attach a copy of a letter from Shell-Mex Ltd. Unless you have been able to make tests which have satisfied you that the oils they mention are…

Scan036 Letter from Shell-Mex Ltd. regarding a customer's query about using their oil without voiding the car's guarantee.
View original record SHELL-MEX LIMITED. G.P.O. Box No. 148. MOTOR OILS. TECHNICAL. LGC/MEP. Shell Corner, Kingsway, W.C.2. 22nd December, 1924. Messrs. Rolls-Royce Ltd. Dear Sirs, We have received information from our…

Scan037 Oil recommendations and customer feedback, comparing super light oil to medium viscosity oil.
View original record To BY. from Hs. X976 Hs2/LG29.1.25 SHELL MEX LIMITED. We are always prepared, when customers point out to us that they either have difficulty in obtaining the oils we recommend, or that there are…

Scan038 Enquiry from Frederick Goodliffe of City Cheese Warehouse regarding the merits of Shell Mex and B.P. motor spirits.
View original record TELEPHONE NOS { 5014 5015 REGISTERED TELEGRAPHIC ADDRESS, RELIABLE, NOTTINGHAM. Frederick Goodliffe CITY CHEESE WAREHOUSE STILTONS, DERBYS, GLOSTERS, CHEDDARS, CHESHIRES. 20, WOLLATON STREET,…

Scan039 Letter responding to a query about the use and performance of different fuel types, specifically Shell Mex motor spirit.
View original record X976 Expl: Dept: 29th. Mar. 1926. HS/LG. Frederick Goodliffe Esq., 20 Wollaton Street, Nottingham. Dear Sir, Referring to your letter of the 22nd. inst. We use large quantities of Shell Mex motor…

Scan040 Suitability of Shell-de-Luxe versus Shell super-light engine oils.
View original record W/S. To Sg. from Hs. V976? Hs6/LG12.4.26. SHELL-DE-LUXE. X1588 With reference to Pt3/Mi22.2.26 attached to Sg15/BM7426. At the moment we are not in a position to recommend Shell-de-Luxe. The oil which…

Scan041 Cover memo regarding a letter from Shell Mex Ltd and a proposed reply.
View original record Ms. from ROY. X.976 ROY6/MG.28.6.26 Herewith copy of letter to hand from Shell Mex Ltd, London, and our proposed reply. Kindly confirm that you are in accord. ROY. ENCLOSURES. copies. Letter from…

Scan042 Letter to Shell-Mex Limited deferring a proposed visit regarding 'Shell' lubricants due to an inability to conduct tests.
View original record Ref: ROY5/MG28.6.26 Your Ref: MOTOR OILS SWP/MB June 28th.1926 Messrs. Shell-Mex Limited Shell Corner, Kingsway LONDON W.C. 2 Dear Sirs, "Shell" Lubricants --------------------- We have your letter of…

Scan043 Letter from Shell-Mex Limited regarding the international distribution of their motor oils.
View original record C o p y From: SHELL-MEX LIMITED. Shell Corner, Kingsway W.C.2 MOTOR OILS EWP/MS 25th June 1926 Messrs. Rolls Royce Ltd. Derby. Dear Sirs, You will doubtless recollect that some time ago you enquired…

Scan044 Letter from Shell Mex Limited clarifying the widespread distribution of their oils and requesting a meeting.
View original record From SHELL MEX LIMITED To Messrs. Rolls-Royce Ltd 25.6.26 We would point out that by distributing we mean not merely stocking a limited quantity at importing points but the oils are available…

Scan045 Letter from Shell-Mex inquiring about progress on long-distance flight tests and difficulties experienced with freezing.
View original record X.976 ALL OFFERS SUBJECT TO ACCEPTANCE BY RETURN OF POST UNLESS OTHERWISE STATED. All communications to be addressed to the Company. Telegrams, 'SHELMEX, ESTRAND, LONDON' Telephone, REGENT 6635. BY…

Scan046 Petrol supply failure caused by fluff found in fuel from Shell-Mex.
View original record S/W. Hs. X976 CWBA/GM/2-6-27. FAILURE OF PETROL SUPPLY. FLUFF IN PETROL. I enclose letter received from Messrs. Shell-Mex, to whom I have given the microscope slide of the fluff found in their petrol…

Scan047 Letter from Shell-Mex Limited responding to a complaint about impurities in their petrol.
View original record ALL OFFERS SUBJECT TO ACCEPTANCE BY RETURN OF POST UNLESS OTHERWISE STATED All communications to be addressed to the Company. Telegrams: 'SHELMEX, ESTRAND, LONDON.' Telephone, REGENT 6635. BY…

Scan048 Confidential letter regarding an offer from Shell Mex Ltd to test their new 'Racing Shell' petrol.
View original record X976. J Cx4/KW17.2.30. Confidential. Re- Petrol. S/W. Hs. I have received from Shell Mex Ltd confidentially a letter and the enclosed advance proof of a booklet describing "Racing Shell". Mr.…

Scan049 Informational leaflet on 'Racing Shell' fuel for high-performance engines, detailing its properties, benefits, and retail price.
View original record Page 1: bered that there is a degree of ignition advance beyond which engine power falls off, even if detonation is entirely absent. For more exact information about “ mixing your own ” kindly write…

Scan050 Guide on the properties and usage of 'Racing Shell' fuel for various engine types.
View original record "Racing Shell" is obviously a better fuel than pure benzol, or any mixture of benzol and petrol; it is far superior, of course, to standard mixtures. Its anti-knocking effect is similar to that of…

Scan051 Request to test Shell Petrol on cars and aero engines, asking for its H.U.C.R. value.
View original record Cx. From Hs. x976. Hs.1/MJ.18.2.30. SHELL PETROL. Replying to Cx4/KW17.2.30. We are very interested in the Shell Petrol and would be very pleased to test this out on our cars and aero engines. We…

Scan052 Query regarding the receipt of a 50-gallon sample of 'Racing Shell' petrol.
View original record x976. Cx17/KW28.2.30. S/W. Hs. Re- Shell Petrol. HS1/MJ1823 Would you kindly let me know whether you have received the 50 gallon sample of "Racing Shell" ? I wrote to Mr.Callingham of the Shell…

Scan053 Confirmation of receipt of a 50-gallon sample of 'Racing Shell' fuel.
View original record W/S. CX. From Hs. 8976. Hs.2/MJ.1.3.30. SHELL PETROL. Replying to CX17/KW28.2.30. We have received a 50 gallon sample of "Racing Shell" fuel. Hs.

Scan054 Letter to Shell-Mex Ltd. requesting anti-knock values and Ricardo's figures for 'Racing Shell' petrol.
View original record 8976. Expl. Dept. Hs.3/MJ. March 1st.1930. Messrs. Shell-Mex Ltd., Shell Corner, Kingsway, LONDON. W.C.2. Dear Sirs, You have kindly sent us a 50 gallon drum of "Racing Shell" petrol. This was…

Scan055 Use of Shell Lubricating Oil in the 23-EX 10,000 miles test car.
View original record X976. To Hs. from Sg. re Shell Lubricating Oil. I forgot to raise this point with you yesterday, but arising out of my conversation with you when you were in London recently, I understand that you are…

Scan056 Letter from Shell-Mex Limited regarding the specifications of Triple Shell Motor Oil and its comparison to competitor products.
View original record TELEPHONE TEMPLE BAR 1234 TELEGRAMS SHELMEX ESTRAND LONDON YOUR REFERENCE: OUR DEPARTMENT: Tech. & Eng. (M.S.& L) LGC/KCG x976. SHELL-MEX LIMITED P.O. BOX NO.148 SHELL CORNER KINGSWAY W.C.2. ALL…

Scan057 Postscript from Shell-Mex Limited regarding the availability of Triple Shell Motor oil in France for experimental use.
View original record TELEPHONE TEMPLE BAR 1234 TELEGRAMS SHELMEX ESTRAND LONDON YOUR REFERENCE: OUR DEPARTMENT: SHELL-MEX LIMITED P.O. BOX NO.148 SHELL CORNER KINGSWAY W.C.2. 2. ALL OFFERS SUBJECT TO ACCEPTANCE BY RETURN…

Scan058 Specification sheet for Triple Shell Motor Oil.
View original record TRIPLE SHELL MOTOR OIL (Current specification 16/4/30). Specific Gravity @ 60°F .935 Flash point (closed) :F 385 Viscosity R.1 @ 70°F secs. 3000 " " @ 140°F " 235 " " @ 200°F " 73 Pour Test °F 15

Scan059 The change to Shell Spirit D.T.D. 134 for H. Engine tests, discussing its aromatic hydrocarbon content.
View original record Rg. c. Hs. c. BY c. WOF. X976. EP/Thn13/H1 7.5.30. re. Shell Spirit. Specification D.T.D. 134. With reference to your instructions to the effect that we should change over to the above spirit from the…

Scan060 Laboratory report on the analysis of a spirit sample against D.T.D. 134 specification.
View original record COPY EP. H13/EA14.5.30. Laboratory. c. Mr. Halliwell. Report No. L1837. Re. Sample of Spirit from Bulk Delivery to Spec. D.T.D. 134. The copy of the abovr specification which have been able to examine…

Scan061 Letter from Shell-Mex and B.P. Ltd confirming a meeting with Mr. Hives regarding aviation fuels and a Phantom II engine viewing.
View original record x 976 SHELL-MEX AND B.P. LTD Distributors for the Shell and Anglo-Persian Oil Groups SHELL-MEX HOUSE VICTORIA EMBANKMENT . LONDON . W.C.2 Telephone : Temple Bar 1234 Telegrams: Shelbeepee, Rand London…

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