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Lateen to JR conversions ?

  • 19 Oct 2025 23:05
    Reply # 13553899 on 13553567
    Anonymous member (Administrator)

    Go for it Jean, you might be the first person to do a lateen rig/junk rig conversion!

    A simple drawing, with measurements showing the position and dimensions of the existing rig would be a starting point. It may well turn out that you can use the ecisting mast position.

    You might need to extend the mast in order to get enough sail area, but there is no doubt your windward performance would be improved by the simple fact of being able to go through the tacking procedure so much more quickly.

    I imagine reefing and handing the sail will be much more convenient too.

  • 18 Oct 2025 08:05
    Message # 13553567

    Hi all, I live in Marseille, south of France. Traditional boats here are the double-ended, shallow-draft, lateen rigged type. Think of the felucca, tartane, "pointu", etc. The lateen rig is well adapted to the Med, as is the hull type. But tacking is a problem as you either have to do with a bad tack, locally known as "mauvaise main" ("bad hand"), or change the spar's side ; this is a time-consuming, quite difficult or even dangerous operation as the spar, the "antenne" is often a heavy wooden one. Reefing is done by lowering the sail and lacing it to the antenne before hauling it again.

    But the mast is is a position similar to that of a JR, it's unstayed or uses the haulyard as a stay, and the sheet is usually attached to the rudder, or nearby. So  a conversion wouldn't be too difficult.

    I'm aware this type of hull isn't good at upwind tacks, but maybe this can be improved, and I can definitely picture myself sailing (donwind) to the beautiful islands on a Med Lorcha !

    So I'd love to read about your experiences and thoughts about this !

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