http://www.youtube.com/embed/qSFKc4LA2Dw?rel=0
http://www.youtube.com/watch?v=wNitCDe67Vc
February, 2008 Hydraulic Marine Systems' Single engine 225 HP remote controlled Thruster goes up against a Push Boat using Twin 671 Detroit Diesel engines with 30" propellers, and holds its own!
U.S. Patent Nos. 7,654,875 B1, 7,883,384 B1, 8,007,328 B2, 8,317,554 B1 8,353,734 B1 8,382,538 B1
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