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posted by cmn32480 on Friday July 01 2016, @12:07AM   Printer-friendly
from the give-the-builders-props dept.

CBC News reports that Solar Voyager, a solar-powered, unpiloted boat, has been picked up by the Canadian navy after becoming tangled in fishing nets. The boat had travelled about 1000 km, from Massachusetts to the vicinity of Sable Island, Nova Scotia, on what had been intended to be a transatlantic voyage.

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The Lonely Transatlantic Journey of a Self-Sailing Solar Ship


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The Lonely Transatlantic Journey of a Self-Sailing Solar Ship 21 comments

Arthur T Knackerbracket has found the following story:

Nearly 400 miles off the Massachusetts coast, a self-sailing, solar-powered, boat is bobbing along all alone. Looking like a very lonely, very miniature cargo ship, it’s at the start of a voyage that will hopefully take it more than 3,000 miles across the Atlantic and into the record books.

“Several people have tried, and they didn’t make it,” says Isaac Penny, one of the boat’s builders. “A lot of things could go wrong.”

Unlike Bertrand Piccard’s upcoming transatlantic flight on the sun-powered Solar Impulse 2 , the Solar Voyager has no human navigator. The computer in control is following pre-programmed GPS waypoints. Every 15 minutes, it reports its position online for everyone to see, along with data like speed, solar power generated, battery level, and local temperature.

At 18 feet long, Solar Voyager is roughly the size of an ocean kayak, and looks reasonably robust until you see it pictured next to another ship. The aluminum shell is just 2.5 feet across. Early prototypes built from plastic proved too fragile for the ocean conditions in the Atlantic, where waves can easily reach 30 feet high in a storm, and cause trouble even for cruise ships [autoplay warning]. “It’s pretty rough out there,” says Penny.

Almost all of the available upper surface of the wee vessel is given over to solar panels, 280 Watts worth. Below deck are 2.4-kWh batteries to run at night. A Go-Pro is set up to take pictures and short videos which will (hopefully) be retrieved when the boat next encounters a human. That may take a while. Solar Voyager’s two propellers provide a max speed under five mph, so Penny expects the crossing to take around four months, weather dependent.


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  • (Score: 2) by frojack on Friday July 01 2016, @12:37AM

    by frojack (1554) on Friday July 01 2016, @12:37AM (#368213) Journal

    I suppose with it tangled in fishing nets it could become a hazard to navigation.

    I remember reading it was designed to avoid shipping channels, but even then the builders didn't think it could harm anything that hit it doe to its small size and light construction.

    But I can't imagine why they didn't plan on handling drift gill nets.

    --
    No, you are mistaken. I've always had this sig.
    • (Score: 2) by richtopia on Friday July 01 2016, @02:01AM

      by richtopia (3160) on Friday July 01 2016, @02:01AM (#368229) Homepage Journal

      So following the channels would probably be a better idea - get kicked about from time to time but the lane would have little debris.

      • (Score: 2) by frojack on Friday July 01 2016, @02:06AM

        by frojack (1554) on Friday July 01 2016, @02:06AM (#368232) Journal

        Well they really hadn't even gotten out of prime fishing regions.

        But you are right, 25 miles south of the main shipping channel is pretty clear of traffic because all the big boys are gps navigated these days.

        --
        No, you are mistaken. I've always had this sig.
  • (Score: 0) by Anonymous Coward on Friday July 01 2016, @01:16AM

    by Anonymous Coward on Friday July 01 2016, @01:16AM (#368221)

    Ro, ro, ro your bot
    Gently down the stream
    Merrily, merrily, merrily
    Life is but a dream

    • (Score: -1, Redundant) by Anonymous Coward on Friday July 01 2016, @02:32AM

      by Anonymous Coward on Friday July 01 2016, @02:32AM (#368241)

      Life is but a dream
      Ro, ro, ro your bot
      Gently down the stream
      Merrily, merrily, merrily

      • (Score: -1, Redundant) by Anonymous Coward on Friday July 01 2016, @02:34AM

        by Anonymous Coward on Friday July 01 2016, @02:34AM (#368243)

        Merrily, merrily, merrily
        Life is but a dream
        Ro, ro, ro your bot
        Gently down the stream

        • (Score: 2) by aristarchus on Friday July 01 2016, @04:33AM

          by aristarchus (2645) on Friday July 01 2016, @04:33AM (#368275) Journal

          Rounds are not appropriate for SolyentNews, we prefer recursive Unix filesystem directories.

          • (Score: 4, Funny) by lentilla on Friday July 01 2016, @07:23AM

            by lentilla (1770) on Friday July 01 2016, @07:23AM (#368320)

            That rather depends if the SoylentNews distributed compiler implements tail-call optimisation, in which case this is a perfect example of recursion:

            void go_row_row(void) {
              printf("Row, Row, etc...");
              go_row_row();
            }

            Although this doesn't use the filesystem, per aristarchus' requirements. Perhaps this might just suffice:

            void go_row_row(void) {
              mkdir("newboat", 0777);  /* aristarchus said he */
              chdir("newboat");        /* wanted directories */
              FILE *fd = fopen("thisboat", "w");
              fprintf(fd, "Row, row, row your boat,\n");
              fprintf(fd, "Gently down the stream.\n");
              fprintf(fd, "Merrily, merrily, merrily, merrily,\n");
              fprintf(fd, "Life is but a dream.\n");
              fclose(fd);
              go_row_row();
            }

            Just in case it needs to be said... don't try this at home unless you have an odd desire to have your disk filled with songs about boat rowing.

  • (Score: -1, Troll) by Anonymous Coward on Friday July 01 2016, @01:35AM

    by Anonymous Coward on Friday July 01 2016, @01:35AM (#368223)

    Should have used supergenius Indian coders like industry best practice dictates.

  • (Score: 2) by aristarchus on Friday July 01 2016, @04:39AM

    by aristarchus (2645) on Friday July 01 2016, @04:39AM (#368277) Journal

    Watching the new season of Battlebotstm, there was a surprise net attack, and they objected that entanglements were prohibited. I did not know that, but on the other hand, outside of the arena, say on the high seas where piracy runs rampant with torrents and what not, perhaps it is a good idea to have a spinning disk of razor sharp blades, just in case you run across some derelict netting. Ocean crossing means self-sufficiency, or at least it used to.