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a i | ey wow DATTA AHI E i) MTA 1 VOL. 44 CLEVELAND ITT! HTT | MII rrr NOVEMBER, 1914 PAA ye Ba Up NEW YORK No. 11 Canadian Car Ferry Description of the British-Built Steamer In- tended for Service Between Quebec and Levis HE official speed trials of the i Canadian car ferry and ice break- ing steamer built by Cammell Laird, of Birkenhead, for the Transcon- 'tinental Railway Co. of Canada, were successfully completed off the Mersey on July 23. Intended for service on the river St. Lawrence, between Quebec and Levis, this vessel--which is ex- pected to leave for Quebec in the course of a few days--is a highly in- teresting specimen-of naval architec- ture. Her principal dimensions are: Length, 526 feet; beam, 65 feet, with draught of about 15 feet. The pro- pelling machinery consists of two sets of triple-expansion condensing en- gines, steam being supplied by eight single-ended cylindrical boilers work- ing under natural draft. An ice pro- peller of nickel steel driven by a compound condensing engine is fitted at the forward end of the vessel, which is built to Lloyds special sur- vey, and is arranged for the carriage of passenger and freight trains at all seasons of the year. The trains are carried on a tidal deck arranged above the main deck of the vessel, on three - lengths of track, the length of each track being about 272 feet. The tidal deck rests on castings working up and down on 10 vertical lifting screws on each side, supported on columns, the columns being stayed by lattice but- tresses against' longitudinal transverse 'thrusts. The lifting screws are hung on ball bearings from the top and are manipulated by means of worm Wheels driven from horizontal shaft- ing which runs the length of the ves- sel on each side. The horizontal shafting is worked by bevel gearing from a four-cylinder high-pressure en- gine of special design situated below the main deck. The gearing is ar- ranged to lift the tidal deck fully ce is ins ee aa ae SS Ree a 7 Nase) Ny BN eS IN ~ ae, a inde es CAR FERRY FOR ST. LAWRENCE RIVER SERVICE