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My latest 3D project is to make a "walker type trailing log" to use with my Raymarine instruments and so hopefully avoid all the shrimps that get into my standard hull transducer. <div>I have made three initial log versions with differing angles of attack, and think I have perhaps managed to settle on the correct angle for 20,000 pulses per nautical mile. - But of course I need a lot more tests to confirm this. </div><div>I put the files on thingyverse. <a href="http://www.thingiverse.com/thing:740651">http://www.thingiverse.com/thing:740651</a></div><div>I painted this one black to hopefully avoid it being eaten! </div><div><br></div><div><br></div><div><br></div><img src="http://www.catamarancruising.org/forums/uploads/imageupload/360/3Q2INF5XQVX1.jpg" alt="walker log 1" title="walker log 1">
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