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  • Wow, this is the most cordial and informative discussion ever on the epic righting-line-over-or-under-the-hull topic! What....are we all getting old and soft?

    Maybe we should go ahead and tackle the trailer-with-rudders-on-or-off topic again? Or how 'bout the to-wax-or-not-to-wax one?

    Just don't want see things get too boring around here! icon_cool

    --
    Jerome Vaughan
    Hobie 16
    Clinton, Mississippi
    --
  • :)
    Evolution is expected after so many iterations!



    Edited by Andinista on Jun 24, 2021 - 06:45 PM.
  • QuoteYou sliced and diced my post and missed the point.

    From the perspective of the boat rotating ~90 degrees from capsized to upright, it makes no difference where the line is connected. The CG is all that matters.

    From the perspective of the person(s) hanging on the line, it makes a difference. The higher up/farther outboard the line is mounted, the easier it will be on your body.

    Over the hull for sure.


    _Unless_ you take "arms pulling the line" out of the equation. So, set things up so that the line has _something_ to put your trapeze hook. At that point you stretch our arms over your head for more leverage...
  • just don't flip
  • MN3just don't flip

    While theoretically possible, that can only occur if you just don’t go sailing
  • cmiles3Remember, the Hawaiian righting system & variants are always "over the hull". They are attached to the pylons on both sides of the boat, ready to deploy, from above.

    If you have a righting line, have you practiced using it on the water? The 1st time or 3, it's a challenging learning experience, best practiced in calm conditions where you can take time to sort out everything. Capsizing on the water, in choppy conditions & a stout breeze is not a good time to learn where everything is & how to tie/release/reach the line. Things look different from the water, while tightening the straps on your PFD, checking on your crew, & watching your gear bag & cooler sailing away from you faster than you can swim.


    Highly recommend the "Hawaiian" style of righting system. Some have mentioned Joe from Joyrider TV having the righting line tied to the DS, even so, he always says to throw the line over the upper hull, also has knots tied into the line for something to grab onto when pulling. Anyhoo, seems one would definitely have more leverage if the line is over the upper hull, just makes sense.

    --
    Marty
    1984 Hobie 16 Redline Yellow Nationals, "Yellow Fever"
    Opelika, Al / Lake Martin
    --
  • martyrAnyhoo, seems one would definitely have more leverage if the line is over the upper hull, just makes sense.

    Yes, you have more leverage, and for that reason it’s a bit more confortable. Now think about the torque that the boat applies to your body through the righting line: it is also higher with the line over the hull, exactly as much as to produce 0 difference on the net torque that rights the boat.



    Edited by Andinista on Jun 29, 2021 - 08:44 AM.
  • https://m.youtube.com/watch?v=oHIcLc7pssc
    Here is Joe actually demonstrating that there is more leverage with the line above the hull. He is the only one heavy enough to right the boat. If you look closely, when he tríes with the line under the hull, he is bending at the hip, not straight as in the other cases, that’s all the difference. It is perhaps a relevant difference, because it is less natural to acheive the right position with the line under the hull.



    Edited by Andinista on Jun 29, 2021 - 08:45 AM.
  • Joe was not fully stretched out. The woman had excellent form. If you use the Hawaiian system combined with a hook to your trapeze, you get the full leverage and arms are free.
  • 6:55 mark shows you what moving in and out 5 - 12" does

    good video - i think it concludes (for righting) it doesn't matter where the line is attached - it's all about weight out

    but as mentioned above it matters a lot to a human's hands and arms where the line is attached IF they are holding the line

    I agree with Martin that using a loop in the righting line is a good method to save arm / overall strength which can be a big factor

    i also agree (to a degree) with the comment above about not attaching yourself to a righting boat

    so there are pros and cons to every method. (like everything on a boat)

    I think it was interesting that it looked "easier" to lift (on non moving land) to pull via a trap wire
  • On a closely related note, how come nobody's mentioned shroud extenders (w/ or w/o Hyfield levers)? Hobie sells 'em, and Bill Roberts saw them as integral to righting (esp. the SC20) and made them standard equipment. In the SuperCat's case, the mast ball is captive in the mast base thanks to a pin, but I've never been clear on how many other boats would support this kind of setup e.g. the Mystere's mast justs sits on the ball, so there'd be a risk of the two disconnecting and making the capsize much worse.

    What are the experiences out there?

    --
    Southern Alberta and all over the damn place.
    *
    1983 SuperCat 19
    TriFoiler #23 "Unfair Advantage"
    Mystere 17
    H18 & Zygal (classic) Tornado - stolen and presumed destroyed by evil people. Very unpleasant story.
    Invitation and Mistral and Sunflower and windsurfers w/ Harken hydrofoils and god knows what else...
    --
  • That vdeo also shows how uncomfortable the Hawaiian righting system is to use. You can see how it’s somewhat awkward to grip the righting line while fighting against the bungee cord.

    sm



    Edited by Dogboy on Jul 05, 2021 - 08:11 AM.

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