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HEY, WHAT'S THE IDEA OF tue HOLE In THIS RUDDER? $ ‘ 1 “THaT'S A PATENT FEATURE THAT SAVES YOU MONEY. SHIPS FITTED wit THE NEW A-S-B BALANCED STREAMLINE RUDDER CAN HAVE THE STERN BEARING RE-LINED WITHOUT UNSHIPPING THE RUDDER HIS NEW BALANCED STREAMLINE RUDDER offers 5 IMPORTANT OPERATING ADVANTAGES I Improved Steering. Vessels equip- ped with the new A-S-B balanced streamline rudder respond to the slightest angles of helm. Thus it is easier to maintain a straight course. 2 Lower Operating Costs. The streamline form, properly propor- tioned and balanced, and the smooth, flush plating reduce eddies and im- prove propulsive efficiency. That means a saving in operating costs. 3 Greater Strength. Steel top and bottom castings, rigid internal struc- ture and heavy shell plating assure ample resistance to ordinary injury. z | Partial Buoyancy. All shell plating is watertight, which makes the rudder very nearly _ self-supporting and means much less strain on the rudder bearing. = “asier Repairs. A watertight man- hole permits complete internal in- spection and periodic painting. A special patented feature of this new rudder makes it possible to withdraw the tailshaft sufficiently to re-line the stern bearing without unshipping the rudder. This new rudder is designed and built for service on the Great Lakes by the Lake’s oldest and most exper- ienced ship builders. It is exception- ally efficient; simple; and low in cost. It can be quickly installed on any lake vessel and requires no alterations. Write for particulars and quotations. Phe AMERICAN SHIP BUILDING CO. Main Office: Foot of West 54th Street, Cleveland. Ohio ie) CLEVELAND LORAIN BUFFALO Sours CHIcAGco Jee Jen Vee American Ship American Ship Buffalo Dry Dock Chicago Ship 2, Building Co. Building Co. Company Building Co. 4 MARINE REVIEwW—November, 1932 SUPERIOR & Superior Ship- € eee ee building Co.