File:Cassier's magazine (1911) (14577440058).jpg

Identifier: cassiersmagaz401911newy (find matches)
Title: Cassier's magazine
Year: 1891 (1890s)
Authors:
Subjects: Engineering
Publisher: New York Cassier Magazine Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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909, and has princi-pally been employed in towing largebarges laden with coal from Ruhrortto Mannheim, which is an exceed-ingly arduous service. The ordinarybrown coal briquettes common inGermany are used for fuel, and, ifthese are taken to cost 90 marks per10,000 kilogrammes, the fuel con-sumption on the round trip amountsto 225 marks. As this boat is tow-ing steadily the whole length of thejourney, there is very little manoeuv-ring to do, and the writer under-stands that the suction plant has an-swered perfectly. In Fig. 2 another tug is illustratedwhich was experimented with on theScheldt for some considerable time.This also worked with suction gas,and had a four-cylinder engine of120 horse-power built by the Camp-bell Gas Engine Company, of Hali-fax, the same firm also supply-ing the producer plant. From onepoint of view this was perfectly suc-cessful, but the Scheldt is notoriouslya difficult river to navigate, and, asthere was so much stopping and INTERNAL-COMBUSTION ENGINES 707
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708 CASSIERS MAGAZINE ; f J » i ,. far 1 WS ^m^^^m^^ ; FIG. 2. TUGBOAT ON THE SCHELDT, INSTALLED WITH GAS ENGINE starting and manoeuvring in the dailyroutine of this boat, it was ultimatelyagreed that a suction gas producerwas not, perhaps, the most suitableapparatus to use in this particular in-stance. However, a great deal ofvaluable experience was gained bythis experiment. It may be mentioned, also, thatMessrs. William Beardmore & Co.a few years ago equipped a com-paratively large suction gas plant onH. M. S. Rattler, and this was givena lengthy test at sea under the com-mand of the Marquis of Graham. Recently public interest in the useof suction gas at sea has been re-vived by the performances of Hol-zapfel I. This boat, built by J. T.Eltringham & Co., of South Shields,is not of very large dimensions, be-ing only 120 feet long by 22 feetand 11 feet 6 inches moulded depth,intended to carry 300 tons deadweight on a draught of 10 feet.However, she has already made anumber of

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