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PEACE, A, New River Towboat, line’s one hundred and _ fiftieth voyage between Pittsburgh and Memphis, Tenn., the new twin screw, diesel engined towboat Peace, built by the Dravo Contracting Co., left her Pittsburgh dock, Oct. 25, with a nine- barge tow. The trip was broken by frequent stops at principal river cities and thence continued on to New Or- leans. The 1952-mile voyage from Pittsburgh to the Gulf of Mexico finds this modern argosy arriving at New Orleans Nov. 18. Among Pittsburgh shippers whose products were represented on the one exhibition barge of the tow were: Jones & Laughlin Steel Corp., Carnegie Steel Co., Spang, Chalfant & Co. Inc., American Steel & Wire Co., Wheeling Steel Corp., Koppers Products Co. and Dravo Contracting Co. C line's one no the Union Barge Newest Vessel of Fleet The PrAce is the latest vessel to be added to the fleet of the Union Barge line which includes the river tow- boats Sam Craic, C. W. TALBOTT, J. D. Ayres, and RELIANCE; and a large and varied fleet of barges. This fleet has been a leader in the renaissance of river traffic during the last few years. The packet is no longer a factor and in its place great fleets of barges car- rying vast tonnage are being used on regular and fast schedules by power- ful and economical towboats. Cheap, regular and reliable trans- portation of all classes of goods, from package freight to bulk gasoline, from Twin Screw, Diesel Pract, river towvoat, built by Dravo Contracting Co. for Union Barge Line Corp., left Pittsburgh Oct. 25 on maiden trip for New Orleans steel bridge trusses to baled cotton, is now available to the river shipper. The PEACE is dedicated to the continu- ance and furtherance of this service. Designed as well as constructed by the Dravo Contracting Co., the trial runs of the PEACE fully justified expec- tation as to her performance. Run- ning free, without tow, she has logged 12 miles per hour and has pushed six empty standard 175-foot coal barges at 8 miles per hour. The addition of three similar barges to the fleet re- duced the speed only two-thirds of a mile per hour. The engines at all speeds are quiet and remarkably free from vibration. Launched on Aug. 14 last, the design of the PrEAce realizes the economy of diesel power within the limitations of draft imposed in river operation by applying this power directly to twin Engine room of towboat Pracr, looking aft. Two 375 horsepower Winton diesel engines, each direct connected to a propeller 18 MARINE REVIEw—December, 1934 propellers in partial tunnels under the stern. Direct drive is possible without sacrifice of maneuverability by the aid of multiple rudder steering gear combined with an especially de- veloped hull form. All Steel, Ship Shape The all-steel hull is ship-shape with model bow and easy sweeping stern lines providing full water flow to the propellers. The length overall is 161 feet; length between perpendiculars, 160 feet; beam, 34 feet; and depth, 7 feet, 9 inches. The normal operat- ing draft is 5 feet, 6 inches with a corresponding displacement in fresh water of 560 tons. The gross ton- nage is 635 and the net tonnage is 560. The propellers are of manganese bronze, 5 feet, 5 inches in diameter and 4 feet, 8 inches in effective pitch. Each propeller is driven by one six- cylinder, 14 by 18 inches direct re- versible, solid injection, Winton die- sel engine, developing 375 horse- power at 250 revolutions per minute, Auxilary power is furnished by two 3-cylinder 8 by 10 inches Winton die- sel engines, each driving a 50-kilo- watt electric generator, All auxil- iaries such as lubricating and fuel oil pumps, air compressors, cen- trifuges, circulating pumps, sanitary and fresh water pumps, and capstans are electrically driven. Also all aux- iliaries used in connection with the main propelling plant are arranged and connected in duplicate to avoid lay-up from any possible breakdown. Quarters for officers and crew are provided on the main deck aft and on the upper deck. Deckhouses' and pilot house are of steel with wall board linings and partitions. Par- ticular attention has been paid to the comfort and convenience of the vessel’s personnel. Quarters are