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  1. #61
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    Jul 2005
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    'Delaide, Australia
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    Initial stability is enhanced, but eventual stability is compromised.

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  3. #62
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    'Delaide, Australia
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    Quote Originally Posted by IanHowick View Post
    Interesting boat he used - and how he made it self righting without getting in the way of paddling.

    http://aleksanderdoba.pl/index.php?option=com_content&view=article&id=101&Itemid=95〈=en#

    Ian
    I don't know if I would like to paddle it on a lake in a little bit of chop against a 15 knot wind. I guess he just deploys it when he needs to.

    In a gale at sea ... when you need it ... what is the strategy?

    A couple of years ago I remember seeing a web article on a solar catamaran that went from Japan to Hawaii. A quick calc showed that it had an average speed of 2 knots. The question is that with weather routing these days, that level of performance may have been more down to its sailing capacity through hull windage. In any wind the power available from the solar power would have been unable to hold against a headwind - or probably even keep the boat pointing up towards the wind.

    Naturally all vessels take this into account - and hope to get as much downwind sailing as possible. But sometimes I wonder how the performances of some feats would stack up against a well routed raft. The feat of endurance is the same, and impressive, but the technical achievement can be overstated because of the lack of a comparison.

    MIK

  4. #63
    Join Date
    Oct 2007
    Location
    Poland
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    67
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    Designer of this boat is a well known and experienced Polish Andrzej Armiński - three of his boats named Mantra passed solo circumnavigations skippered by three Polish women few years ago.

    But the aesthetics of this boat is not mine
    Aloha!
    Robert Hoffman
    http://robhosailor.blogspot.com/


  5. #64
    Join Date
    Mar 2010
    Location
    Queenstown New Zealand
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    382

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    Quote Originally Posted by robhosailor View Post
    But the aesthetics of this boat is not mine
    Yes, I think I like the approach of Hannes Lindemann to his Atlantic crossing better:

    Take an absolutely standard Klepper Aerius II double kayak and paddle it, sail when you can.

    Quote Originally Posted by Boatmik View Post
    But sometimes I wonder how the performances of some feats would stack up against a well routed raft. The feat of endurance is the same, and impressive, but the technical achievement can be overstated because of the lack of a comparison.
    MIK
    Yes, interesting that the Atlantic kayak crossings are getting slower and slower: Franz Romer took 56 days in 1928, Hannes Lindenmann took 72 days in 1956, Aleksander Doba took 99 days in 2011. The next fellow had better make sure they have a good coat of antifouling on the bottom of their kayak for the next attempt!

    Ed Gillette did Monterey, California to Maui in a standard Tofino Double Kayak in 64 days in 1987.


    If you're trying to set up your Beth so you can have a rest on your Bornholm trip, it would be worth doing some research into how the above people managed it, what worked and what didn't work. For instance, I recall Ed Gillette had blow up sponsons which attached along the gunwales for resting, I can't remember how well they worked.

    Andrew McAuley had a bubble style of cover over his cockpit which fastened down for sleeping, it worked fine fastened down, made the boat watertight and self righting, but was a liability if he capsized while paddling, filling with water, stopping him righting the boat.

    He seems to have got in trouble because of this in the last 50 or so miles on his attempt on the Tasman.

    Ian

  6. #65
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    Oct 2007
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    Poland
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    67
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    Kayaks and sailing canoes different are
    (see there: https://www.woodworkforums.com/f169/s...ml#post1287028 )

    Polish kayaker Krzysztof Buczyński attempted first winter's kayak trip from Bornholm to the Poland (it was his second attempt of winter's trip on that distance). Unfortunately - this time also he had to resin from continuation of the trip.



    Aloha!
    Robert Hoffman
    http://robhosailor.blogspot.com/


  7. #66
    Join Date
    Oct 2007
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    Poland
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    67
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    My crazy idea (sailing my BETH YuanFen across the Baltic to the Danish island Bornholm) is alive still! I hope that at the beginning of July 2011 will be held sea tests. Tests of stability on waves, tests of capsizes and recover etc. etc.
    Aloha!
    Robert Hoffman
    http://robhosailor.blogspot.com/


  8. #67
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    Oct 2007
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    Quote Originally Posted by robhosailor View Post
    My crazy idea (sailing my BETH YuanFen across the Baltic to the Danish island Bornholm) is alive still! I hope that at the beginning of July 2011 will be held sea tests. Tests of stability on waves, tests of capsizes and recover etc. etc.
    Another idea of training time this Summer:
    I have close to a Vistula River. I consider to flow down along the Vistula to the Baltic Sea. There, I have three options minimum.
    1. sail directly to the main mouth to the Gulf of Gdansk
    2. sail in the right direction to the Vistula Lagoon
    3. sail to the left towards the Dead Vistula and Gdansk Gorki Zachodnie - convenient exit to the Gulf of Gdansk.

    Even the trip along the river can be very interesting also. Vistula River is the wild river from my house to the Plock. From Plock dam reservoir begins - it is about 40 km long, the dam is in Wloclawek, there is also a sluice, about 12 m difference in levels. Below the dam the river is regulated and a little less interesting.

    Health is most important!
    Aloha!
    Robert Hoffman
    http://robhosailor.blogspot.com/


  9. #68
    Join Date
    Oct 2007
    Location
    Poland
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    Default Invaders from Poland attack Bornholm and Sweden ;-)

    Quote Originally Posted by robhosailor View Post
    My crazy idea (sailing my BETH YuanFen across the Baltic to the Danish island Bornholm) is alive still! I hope that at the beginning of July 2011 will be held sea tests. Tests of stability on waves, tests of capsizes and recover etc. etc.
    Hi again!

    My crazy idea is not so crazy I think so.

    Last month (Jun 12 2011) two kayaks started paddling from Poland (Kołobrzeg) in direction of Bornholm. 20 hours later one of them arrived to the Danish island Bornholm! Second one midway resigned and sat on assisting boat.

    There are links to the relations and articles in Polish:
    Kajakiem przez Bałtyk...
    kajak.org.pl - strona wszystkich kajakarzy, kajaki

    Recently one Polish guy Jan Lisewski crossed Baltic Sea (from Świnoujście to the Ystad - Sweden) on a board with kite! Look there:
    [ame="http://www.youtube.com/watch?v=Gj-h1uZ5mZ8"]‪Na latawcu przez Ba[/ame]

    Today two small wooden dinghies Salmo15 departure from Poland to the Danish island Bornholm! Look there:
    Dinghy Baltic Passage | Facebook


    Invaders from Poland attack Bornholm and Sweden

    Aloha!
    Robert Hoffman
    http://robhosailor.blogspot.com/


  10. #69
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    Oct 2007
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    Poland
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    Quote Originally Posted by robhosailor View Post
    Today two small wooden dinghies Salmo15 departure from Poland to the Danish island Bornholm! Look there:
    Dinghy Baltic Passage | Facebook


    Invaders from Poland attack Bornholm and Sweden

    Hurrah!!!

    Last night after 18 hours and 70 Nm of sailing from Mrzezyno they arrived Svaneke in Bornholm and this day morning they departure to the Christianso (12 Nm)


    Dinghy Baltic Passage | Facebook
    Aloha!
    Robert Hoffman
    http://robhosailor.blogspot.com/


  11. #70
    Join Date
    Oct 2012
    Location
    In a mountain canyon 3 hours from Canada's west coast
    Posts
    7

    Default Why stop there?

    Quote Originally Posted by robhosailor View Post
    Inspired by my colleagues I'm thinking again about the cruise by Beth across the Baltic Sea to the Bornholm Island...
    Just keep on sailing, Rob.
    Come on over and visit the Vancouver sailors!
    The Atlantic isn't THAT big,
    and we know that Canada can be crossed by canoe.

    Wouldn't THAT be an expedition to remember?

    Shas

  12. #71
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    Oct 2007
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    Quote Originally Posted by Shas Cho View Post
    Just keep on sailing, Rob.
    Come on over and visit the Vancouver sailors!
    The Atlantic isn't THAT big,
    and we know that Canada can be crossed by canoe.

    Wouldn't THAT be an expedition to remember?

    Shas
    Hi Shas Cho,

    Since of my childhood, I'm dream of ocean trip by small boat, and of kayak/canoe/dinghy trip across the Baltic Sea...

    My Baltic trip did not go in the past season. In the future? I want to do! Time will tell...

    Vancouver??? Probably one of the most beautiful places on the World! And I'm waching canoe sailors from Vancouver:

    Aloha!
    Robert Hoffman
    http://robhosailor.blogspot.com/


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