 Boat Design Gallery |
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SailDesign
Old Phart! Stay upwind..
Registered: January 2003
Location: Jamestown, RI, USA
Posts: 1,723
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March-27-2004 10:39am
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Rating: 10
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Doug - is that a proa, or is that just perspective hiding the other ama?
Steve
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dougfrolich
Senior Member
Registered: November 2002
Location: San Francisco
Posts: 567
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yep it is a proa. The main hull is very slender, so it needs the extra stabilty, The ama is asymetrical in plan, and the bridge deck allows for a more spacious seating arrangement. The idea is run smaller, yet still efficient ferries right from the communities they serve- emissions from larger ferries is the (newest) big stink out here.
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SailDesign
Old Phart! Stay upwind..
Registered: January 2003
Location: Jamestown, RI, USA
Posts: 1,723
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Nice idea. Good looking, too 
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L.DOSSO
Junior Member
Registered: May 2003
Location: FRANCE
Posts: 71
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I suppose your main hull is listed(heeled) towards the ama.If not, ie,if the centerleine of vaka is perpendicular to the water,won't you have transv.stability problems?
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dougfrolich
Senior Member
Registered: November 2002
Location: San Francisco
Posts: 567
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I dont think so, The cg is allways someware between the vaka and the ama depending on the loading.
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u4ea32
Senior Member
Registered: November 2005
Location: Los Angeles
Posts: 378
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Really a good idea: I think it makes more sense than a power trimaran.
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David Smyth
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