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Sailing Robots To Attempt Atlantic Crossing
Roland Piquepaille writes "The Times of London reports that seven robotic craft will compete in a race across the Atlantic Ocean in October 2008. One of them, 'Pinta the robot sailing boat,' has been designed at Aberystwyth University in Wales. Pinta is expected to sail for three months at a maximum speed of four knots (about 7.4 kph). Its designers hope the Pinta will become the first robot to cross an ocean using only wind power. This 150-kilogram sailing robot costs only $4,900. The transatlantic race will start between September 29 and October 5, 2008 from Portugal. The winner will be the first boat to reach a finishing line between the northern tip of St. Lucia and the southern tip of Martinique in the Caribbean. Here are additional details and links."
Like a robot that builds a house or so. A bit more useful too...
Robotics challenges are usually somehow tied to military objectives such as navigating a certain terrain, rarely do they focus on something constructive and creative.
Oh wait, another RP post...
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Actually, if it's smaller it can propably withstand the ocean forces more easily in most cases since there will be less chance of the forces finding something in the construction that will provide leverage. Just take a pencil hold it with your fingertips at the end and snap it off, it should be pretty easy for most people. Then try doing the same thing to an inch long pencil stump.
And with a smaller boat you can easily build an almost unsinkable craft if you use a sandwich-type hull filled with enough floatation material so that even if the hull is completly waterfilled the boat will not sink. This was what Sven Yrvind used in some of his constructions ( http://en.wikipedia.org/wiki/Sven_Yrvind )