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Unraveling turbulence: New insights into how fluids transform from order to disorder Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) may have identified a fundamental mechanism by which turbulence develops by smashing vortex rings head-on into each...

Patented in 1944, the Higgins boat gave the Allies the advantage in amphibious assaults

A Chatam 33 is for sale on Yachtworld. 1982 Robert Fleury Chatam Sail Boat For Sale - www.yachtworld.com http://www.yachtworld.com/boats/1982/Robert-Fleury-Chatam-2751471/#.WnMbi3xG2NI Dimensions LOA: 33 ft 0 in Beam: 11 ft 0 in LWL: 29 ft 0 in Maximum Draft: 6 ft 2 in Displacement: 15000 lbs...

Is there a market for a ton of lead salvaged from a sailboat? I see small quantities of scrap lead (tire weights, fired bullets, etc) selling on eBay for @$1/lb, and moderate quantities of lead cast into ingots for @$2/lb. Is that the best way to move one ton, or are there better ways for...

In the interest of saving money, can vinylester be used to replace epoxy when laminating fiberglass to new plywood? Will the vinylester be substantially as durable as epoxy? This would be for a new 24' catamaran. IF YES, can/should the vinylester/fiberglass be vacuum bagged or resin infused...

Not specifically having to do with boat hydrodynamics, but I thought some might enjoy seeing this year's fluid dynamic video winners from the American Physical Society Division of Fluid Dynamics. PCj-82oYgUs KFggBH1jBfQ ZUllziPdRkw 9BuTgoMeVsk TgYJ1Ni08UA Hopd-gKB1Xc 4racwzirdMM

A Hawaiian Canoe Crosses the Oceans, Guided by Sun and Stars | New York Times

It's very strange. In the five weeks since the thread Our Oceans Are Under Attack has been closed, there have been over 6,000 views. Doesn't make any sense to me. Hard to believe that anyone is that passionate about reading old news and stale discussions. Since the moderator suggested that the...

I like Matt Layden's sharpie PARADOX. But at 13'-10" it is pretty small. If one were to double its length, say, 30'+/-, could it be made of steel (or aluminum)? Or maybe the hull out of steel, with the deck and cabin of plywood/timber? Does anyone know of existing plans for a similar steel...

A continuation of News and theories about the missing Malaysian plane Australia: Debris found off Reunion is 'major lead' in MH370 search | CNN 3BJ5mn1tl4c

Huge Ship Carrying Cars Deliberately Grounded Off Coast of England | New York Times

11 Women, Seven Seas and One Point to Make | New York Times

Here's a small business proposal that someone is trying to get funding for. Maybe some here would be interested in helping to fund it. Time sensitive -- October 20, 2014. Old design meets modern materials: the ultimate soft shackle | KICKSTART...

From despair to repair: Dramatic decline of Caribbean corals can be reversed | International Union for Conservation of Nature Caribbean Coral Reefs - Status Report 1970-2012 (28MB PDF) Executive Summary Status and Trends of Caribbean Coral Reefs: 1970-2012 (5MB PDF)

Does anyone know anything about Seven Sisters trimaran? It seems almost like it is a monohull with wave-piercing amas added on. How well would it be expected to handle high winds and breaking seas? Apparently it was sailed/motored from Hawaii to California, and now it is being sailed down...

Mystery Solved: How Do Dolphins Swim So Fast | NATIONAL GEOGRAPHIC For reference see Gray's Paradox

Does anyone know whether it is possible/practical to attach cupro-nickel sheet-metal to a fiberglass-plywood hull for anti-fouling purposes? If so, what is the minimum thickness recommended, and how do you fasten the sheet-metal to the hull? My question is academic as I don't have a specific...

Man rides bike boat across San Francisco Bay ...Judah Schiller, of Mill Valley, who just may be the first person to ride a water bike across the San Francisco Bay, pedaled his pontoon bike boat from Port View Park in Oakland to Pier 1 in San Francisco in about an hour. "No buses, no taxis...

I wonder if this coating has any possibilities for anti-fouling? LiquiGlide