Transactions . is the same as in the ordinary form of vessel. As constructed by the firm of Sir Raylton Dixon & Com-pany, Limited, of Middlesbrough, the boat is built either as asingle-deck type (Fig. 3), or as a shelter-deck type for passengers,cattle, etc. (Fig. 4). The sloping sides of the iupmost tankslender the holds perfectly self-trimming, and there is lit 260 VARIOUS TYPES OF COAL CARGO-STEAMERS. no necessity for any trimmer to go on the boat at all during coal-loading operations, as the hold is absolutely self-trimmed up tothe top of the hatchways, and only requires a little levelling
Transactions . is the same as in the ordinary form of vessel. As constructed by the firm of Sir Raylton Dixon & Com-pany, Limited, of Middlesbrough, the boat is built either as asingle-deck type (Fig. 3), or as a shelter-deck type for passengers,cattle, etc. (Fig. 4). The sloping sides of the iupmost tankslender the holds perfectly self-trimming, and there is lit 260 VARIOUS TYPES OF COAL CARGO-STEAMERS. no necessity for any trimmer to go on the boat at all during coal-loading operations, as the hold is absolutely self-trimmed up tothe top of the hatchways, and only requires a little levellingbefore the hatches are put on, although, of course, there may bea small amount of trimming necessary in the hatchways are of enormous size, as much as 30 feet wideand GO feet long; and, as the side of the hatchway is only about8 feet from the ships side, this wonderfully facilitates the load-ing by means of grabs, which is being regularly done at Montrealat the rate of 1,000 tons per Fit;. 5.—Turret Type: Section of Vessel. (4) Turret Type.—The turret build of steamer (Fig. 5) wasdesigned as a self-trimmer, and is principally constructed byMessrs. William Doxford & Sons, Limited, of Sunderland. Itis exactly the same above the load-line as the preceding point of difference in the construction above the load-line isthat there is a raised centre extending from stem to stern, theheight of which is about one-fourth of the height of thedepth moulded, and forms a superstructure, which creates afeeder to the holds, termed the turret. The hatch-coamingsare at least 2 feet above the superstructure or turret-deck. This VARIOUS TYPES OF COAL CARGO-STEAMERS. 2G1 type of vessel, owing to the sides of the superstructure forming-girders of great strength, allows for an economy in hull weightand permits of very long hatchways being made, which enablessuch boats to be practically self-trimmers, the increaseddepth in relation to the length also assisting in p
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Keywords: ., bookcentury1800, booksubjectmechan, booksubjectmineralindustries
