first race over a slalom course to judge maneuverability. Brancart notes that experimental technology in human-powered submarine design has seen increased use of computer-aided variable pitch propellers and electronic underwater navigation systems. ISR9 this June 2007 will be the sixth staging in the 3,200-ft.-long David Taylor test tank at NSWC. The submarine race is a competition that invites the participation of universities, colleges, corporations, research centers, high schools and privately sponsored teams from throughout the world. Typical teams consist of student athlete/engineers, wearing scuba gear as the subs are "wet", meaning filled with water. Propulsion is provided by team members' legs driving a sprocket or transmission device attached to shafts and propellers. Subs run a 100-m course against the clock along a fixed underwater course "The Naval Surface Warfare Center has been proud to host the International Submarine Races at its David Taylor Model Basin," said Captain Mark W. Thomas, USN, Division Commander. "The United States Navy is pleased to be able to once again support such an outstanding educational and engineering endeavor." ISR Executive Director Nancy R. Hussey notes that "the submarine races demonstrate the value of encouraging bright and creative students to apply what they have learned. We continue to be delighted by their ingenuity. The ISR provides an education in reality for marine technology and ocean engineering students by inspiring them to design, build and operate their own submarines. We look forward to continuing this opportunity." news www.seadiscovery.com Marine Technology Reporter 15
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