View non-flash version
propeller tug on the East Coast. Tractor tugs have the ability to steer a vessel astern, as well as ahead. This concept was started on the Mississippi River, with the introduction of flanking rudders and became a necessity for the riverboats when handling their large fleet of barges. Tractor tugs - whether cycloidal, Z-propeller or flanking rudder - are all major improve- ments to conventional tugs, which had no ability to control the tug in "reverse." Today, Z-propeller tugs are the least expensive, compared to cycloidal or flanking rudder design. For this reason, McAllister has chosen the Z-propeller option for its future building program, which includes plans to build four new Z-propeller tractor tugs, over the next few years. Designs have already been sent to four or five MEETING ALL YOUR PROPULSION NEEDS FOR OVER 50 YEARS!!! C P R O P IE I. I. 1= Rj) Complete Marine Machine Service Facilities... providing computer aided measuring prop pro; and new sizing analysis - NEW YORK - 26-15 123rd Street • Flushing, NY I WebSite Tel. (718) 359-3393 • Fax (718) 358- www.sspropeller.com - FLORIDA - 3040 S.W. I Oth Street • Pompano Beach, Tel. (954) 979-5220 • Fax (954) 979 FL 33069 7161 We Make 'Em Go. FASTER QUICK DELIVERY OF... • S