Anothe r waterworks operator stated that, in his D.E.UA . case, lubricatin g oil consumption had been improved, an d rings kept free, on five air-blast type of engines REPORT on b y fitting a double seal ring in th e top groove instead of the second groove. Workin g Costs Acheso n form TH E report covering 1949-50 on Heavy-Oil Engine Workin g Costs, recently published by the Diesel Twenty-Fiv e Year Club. Engin e Users Association includes, this year, a marine ACHESO N Colloids Limited, London and Plymouth, section in addition to the usual home and overseas hav e formed the London Chapter of their Acheson detail s of engine working costs. The marine section gives details of oil engines on 26 vessels operated by Twenty-Fiv e Year Club. At the inaugural meeting, thre e companies. Mr. Howard A. Acheson, Chairman and Managing Director, presented gold wristlet watches, suitably Pric e of Lubricating Oil. Comparin g th e figures published last yea r wit h those i n this report, a rise in the price paid for lubricating oil is generally to be seen. In most cases an averag figure is 5s. 4d. per gallon, against about 4s. ld. last year . The price paid overseas is very similar and remain s as last year. An interesting point is that th e price paid for lubricating oil for use on water work s heavy-oil engines (which are listed separately i n these reports) averages less than 4s. per gallon,; one of thes e station s operating five air-blast 4-cylinder vertica l open crankcase engines, totalling over 800 b.h.p. , only paid 3s. ld. per gallon for lubricating oil. First Members (reading from left to right)—E. G. Clarke, Us e of Detergent Oils. T . K. Young, G. A . Turner , H. Higinbotham , Howar d A. Acheson, F. G . Kay, R. Szymanowitz. Most of these reports deal with maintenance costs an d provide a wealthy of information that is valuable inscribed, to all those present as a token of the for comparison purposes to any large operator of Company' s appreciation of their twenty-five years' heavy-oil engines. The details given concerning service. Mr. T. K. Young, with thirty-one years' lubricatin g oil are , however, of interes t t o all oil engine service was elected first Chairman, and Mr. E. G. users . Hitherto, there have been very few uses of Clarke, with thirty years' service was elected first stationar y oil engines who have used detergent oils Secretary . The seven members who sat down to in this country, although we have forseen for some dinne r totalled approximately two hundred years of tim e tha t the benefits of these grades would extend service. t o this field. Several operators who have given Members were reminded of the progress that had detail s of thei r plan t t o th e D.E.U.A . for these reports been made in their organisation since the days ar e using thes e oils, an d some of the m hav e commented following th e Firs t World War, an d when the founder, upo n them in the notes tha t they have sent in with Dr . Edward G. Acheson, was with the Company. thei r figures. Some of these references are of interest. To-day , Acheson Colloids, with their sister organisa I t was stated in respect of the three engines tion , Acheson Colloids Corporation of America, serve operate d by Gibralta City Council that stuck top industr y in over fifty countries. pisto n rings still caused some trouble, although this ha d diminished since lower jacke t water temperatures were introduced following installation of a closed NEW B.S.—Pressure Gauges. circuit cooling water system. On one engine where H.D . oil ha s been introduced there has hardly been a Thi s Standard deals with indicating pressure repetitio n of this trouble. One waterworks station gauges, vacuum gauges and combined pressure and reporte d that the use of detergent oil had reduced vacuu m gauges of the Bourdon tube type from 2 in. gummin g of piston rings and practically eliminated t o 12 in. nominal size and having maximum scale deposit s on crankshafts, connecting rods and in revisions u p to 16,000 lb/sq. in. or u p to 6 ton/sq. in. oilways. This station operates two vertical four- I t covers test gauges with concentric scales and strok e enclosed crankcase engines totalling 550 h.p. industria l gauges with both concentric and eccentric scales. There are eight nominal sizes of gauges of One of th e marine operators also reported improve industria l concentric scale type and five eccentric ment s due to H.D. oil. I t was stated tha t there had scale, ther e ar e also three sizes of tes t gauge. Copies of bee n a tendency for piston rings to stick on two thi s specification, B.S. 1780, 1951, may be obtained 4-strok e six-cylinder 95 b.h.p. engines. This had from the British Standards Institution, Sales Depart bee n partially cured by H.D. oil and the condition ment , 24 Victoria Street. London, S.W.I. Price 6s,. ha d been further improved by running the engines pos t free. ligh t before shutting down. Scientific LUBRICATION January, 1952
Industrial Lubrication and Tribology – Emerald Publishing
Published: Jan 1, 1952
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