. Cassier's magazine. FIG. IQ. CROSS-SECTION OF ENGINE CYLINDER WITH MARSHALLS TRIP GEAR very neat form of horizontal jet con-denser, worked direct from the low-pressure tail-rod. This type of engineis made in sizes up to 400 effectivehorse-power, and the design of this THE MODERN HORIZONTAL STEAM ENGINE 509 bed is, we believe, peculiar to From its broad base underthe trunk and the continuous girdersin contact with the foundation, whichlatter extend forward to a point con- trunk-girder type, and owing to theformation of the cylinders to suit thedrop exhaust valves, the gear fo
. Cassier's magazine. FIG. IQ. CROSS-SECTION OF ENGINE CYLINDER WITH MARSHALLS TRIP GEAR very neat form of horizontal jet con-denser, worked direct from the low-pressure tail-rod. This type of engineis made in sizes up to 400 effectivehorse-power, and the design of this THE MODERN HORIZONTAL STEAM ENGINE 509 bed is, we believe, peculiar to From its broad base underthe trunk and the continuous girdersin contact with the foundation, whichlatter extend forward to a point con- trunk-girder type, and owing to theformation of the cylinders to suit thedrop exhaust valves, the gear forwhich is below the floor level, thewhole engine is kept very low and the. FIG. 20. LONGITUDINAL SECTION OF ENGINE CYLINDER WITH MARSHALLS TRIP GEAR siderably in advance of the main bear-ing, it would seem to be a very effec-tive form for all but the largest sizes ofengines. Fig. 18 shows a tandem drop-valveengine, and Fig. 21 a-cross-compoundengine of similar build. These en-gines represent Messrs. Marshallslatest practice in the larger sizes, andhave been designed specially to ensureeconomy in steam consumption; theyare of ample strength for steam pres-sures of 150 pounds per square inch,and for piston speeds of 600 feet perminute. The frames are of the usual cylinder bases are well extended later-ally. All of these features tend toproduce stability. The chief interestin these engines, however, centres inthe Marshall vale trip gear, with whichthey are fitted. Figs. 19 and 20 show a cross sec-tion and a part longitudinal section ofthe cylinder in a Marshall noticing the gear itself, atten-tion is called to the fine clearance be-tween the cylin
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishernewyork, booksubjec
