Found this on Gizmodo
It’s codenamed FishPi, and I’m already hungry. It’s going to consist of a Raspberry Pi computer, strapped to a solar panel and encased in a model boat that will navigate perilous seas all by itself.
Greg Holloway is the crazy sea dog who came up with the FishPi, and explains his ideas on the Raspberry Pi blog:
Massive 25-foot waves, 100km/h winds, torrential rain, lightning, and the Kraken. None of those things should be put anywhere near a Raspberry Pi. On the Atlantic Ocean all of those are common place, and that is exactly where I’m sending my Raspberry Pi.
FishPi will be powered by a 130watt solar panel, so there will be no masts or sails. The propulsion will run from batteries, charged by the solar panel, and it will utilise a Kort Nozzle to gain maximum thrust from what will be limited power.
On-board will be a compass, GPS and camera so we always know where the little adventurer is on its journey. It’s only a proof of concept right now, but Holloway is confidant it can become a reality. Oh please let it become a reality. I want to watch a model boat cross an ocean all by itself from the comfort of my office chair.
Comment by Christiaan van Vollenstee on June 28, 2012 at 3:04am This is absolutly awesome. I will follow this progress.
Comment by bGatti on June 28, 2012 at 6:58am I call tacocopter on this post.
That 20 inch boat hull ain't crossing no ocean, and it ain't holding no 130 watt solar anything.
You can come up with anything you want (tacocopter) but physics is a bitch.
1. The ocean is (nearly) a fractal surface - which increases in length as you increase the resolution: 20 inches is very high resolution.
2. The oceans have gyre, and significant currents; one cannot navigate the ocean over an extended period of time - one must be able to overcome the oceans inherent movement in order to arrive at a given destination.
3. no amount of arcane ducted fanoolery will overcome 1 & 2.
4. on the other hand; if this is a GPS-in-a-bottle and it doesn't matter where it ends up - knock yerself out.
In related news: Zombie Apocalypse to decimate humankind.
Comment by Alex Roup on June 28, 2012 at 7:35am So what they're trying to do is basically this:
Comment by Veikko Vierola on June 28, 2012 at 11:47am From what I understand, land based solar panels require constant cleaning to keep them running as efficiently as possible. In this case, I should think salt might tend to build up on the panels significantly reducing their output.
I'm sure there are smaller and more efficient panels than this, but your typical 130W solar panel is 55" X 26" weighing 25 lbs.
http://www.amazon.com/Instapark%C2%AE-Black-Mono-crystalline-Solar-...
Then there's the issue of sinking a boat that small....which would be super easy. 50 tons of water crashing over a 3lb boat....it will float back up after the storm in 50 pieces.
Neat idea, no chance it will work.
Comment by Veikko Vierola on June 28, 2012 at 2:39pm I would try a capsule style boat made out of transparent durable impact proof material. The center of gravity should be as low as possible so the boat will always turn the right way and will never capsize. I think the propulsion is the hardest part. How to make small propulsion system that will work long time in dirty water.
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