newly 22 patented dual under hull c-wings avoids wingtip vortices drag for better boat fuel economy
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dual under hull c- wings avoided wingtip vortices drag for better boat fuel economy patented
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0:43
dual under hull c-wings avoided wingtip vortices drag for better boat fuel economy patented
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dual under hull c-wings avoided wingtip vortices drag for better boat fuel economy patented
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dual under hull c=wing avoids wingtip vortices drag for better boat fuel economy patented
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dual under hull c-wings avoided wingtip vortices drag for better boat fuel economy patented
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dual under hull c-wings avoid wingtip vortices drag for better boat fuel economy patented
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dual under hull c wing avoids wingtip vortices drag for better boat fuel economy patented
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dual under hull c-wings avoided wingtip vortices drag for better boat fuel economy patented design
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dual under hull c wing avoids wingtip vortices drag for better boat fuel economy patented
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dual under hull c-wing avoided wingtip vortices- drag for better boat fuel economy patented
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dual under hull c wing avoids wingtip vortices drag for better boat fuel economy patented
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0:43
dual under hull c wing avoids wingtip vortices drag for better boat fuel economy patented
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dual under hull c=wing avoids wingtip vortices drag for better boat fuel economy patented
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dual under hull c wing avoids wingtip vortices drag for better boat fuel economy patented
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patented boat with dual under hull c-wing avoids wingtip vortices drag for better boat fuel economy
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dual under boat hull c-wings avoid wing tip vortices drag for better boat fuel economy patented
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dual under hull c- wing avoids wingtip vortices drag for boat fuel economy patented
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dual under hull c-wing avoids wingtip vortices/drag for boat fuel economy patented by george tonchev
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twin under hull c- wings avoided wingtip vortices induced drag for better boat fuel economy patented