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[bolger] Re: Inventing a New Rig

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  • Robert N. Lundy
    It could definitely be done. Some fine points about this really neat boat: I spent much of one Sail Expo St. Pete studying this thing; The rotating mast with
    Message 1 of 3 , Nov 1 4:05 PM
      It could definitely be done. Some fine points about this really neat boat:

      I spent much of one Sail Expo St. Pete studying this thing; The rotating
      mast with a sleeved sail wasn't all that new. Sea Pearls (one of the SBJ
      staples) had this feature back in the eighties. The hard part is the
      geometry of the boom rotation. About the only way to execute this in an
      owner built boat would be to really design (like Mr. Carlson, using real
      drafting tools, not like me with legal paper and a ruler) a weldment with
      fittings to bolt to a false bottom (like one of boger's mast steps) that
      would precisely locate the angle of boom vs mast. The only hard part after
      that would be the bend in an aluminum tube to form the boom.

      I'll see if I can get some pics at this years' Sail Expo (next weekend).


      > -----Original Message-----
      > From: Teakdeck@... [mailto:Teakdeck@...]
      > Sent: 01 November, 1999 8:03 AM
      > To: Teakdeck@...; rbsharp@...; bolger@egroups.com
      > Subject: [bolger] Inventing a New Rig
      > Dear Bolgerista's,
      > Recently, while sailing my Windsprint on a nearby lake, I saw an Escape
      > sailboat for the first time. If you are not familiar with this
      > little boat,
      > it is a modern dinghy made out of poly, professes to have a shape which
      > inhibits capsize and features a very interesting sail plan. It is
      > the sail
      > plan I wish to speak about.
      > The sail of an Escape is under 100 sq. ft. (there are several
      > sizes of these
      > boats) but for our conversation we'll talk about a sail that is
      > 100 sq. ft.
      > in size. The sail shape is similar to a Laser and like a Laser, I
      > believe the
      > luff of the sail is a sleeve into which you insert the mast. Here
      > is where it
      > gets interesting. The mast and boom of the Escape are separate. The boom
      > actually is mounted just behind the mast, starting in a vertical
      > then quickly
      > curving to horizontal. The foot of the sail is loose. This setup
      > allows the
      > single sailor to furl and unfurl the sail around the mast. The
      > Escape sail
      > plan is totally adjustable to the wind conditions. I haven't gotten close
      > enough to an Escape to see how the furling line works, but I've
      > read reviews
      > about it and they say furling and unfurling is easy.
      > Wouldn't it be great to figure out how to adopt this rig for the
      > home builder
      > of small sailboats? Surely someone out there can figure this out?
      > Here's a
      > thought I've had about it:
      > The mast rotates smoothly in it partners. The boom is attached to
      > the mast
      > via a ring or hoop which slides down over the mast and rests on a spool
      > attached to the mast just above the partners. The outhaul of the
      > sail is lead
      > from the clew through the aft end of the boom and back to the
      > spool where it
      > is wound up when the sail is hauled out and of course, rotates the mast
      > causing the sail to be furled when the line is pulled out.
      > Can this or something like it work?
      > Mike Masten
      > ------------------------------------------------------------------------
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