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  Topic Review (Newest First)
11-19-2009 01:51 PM
Jeff_H The Delta rig was one of those flash in the pan ideas that showed up in the late 1970's or 80's. The idea was that jibs were more efficient than sails that were attached to a mast. The concept was that there is huge turbulence behind a mast and that a sail operating in that turbulance is inherrently inefficient. There was also a belief that the interaction between two sails made two sails less efficient that a single large sail.

With the advent of reliable roller furlers, the idea to deal with these two issues was to use one huge jib on a furler. The head of the forestay for that jib was attached to a bi-pod that was leaned aft. The headstay could be tensioned with an adjustable backstay that raked the bi-pod further aft.

Of course the problems were huge; lots of weight aloft, lots of windage, huge sheet winches to tack that guargantian jib, problems with reefing as the sail plan moved radically forward on the boat as the sail area decreased, and in the technology of that era, lots of sail stretch and headstay sag.

The rig found some popularity on Multihulls since it partially solved the mast compression on the main cross beam problem.

11-19-2009 01:50 PM
dkirbyjwa Interesting boat though. Not sure about the delta rig thing though and draft is a little deep for the bahamas.
11-19-2009 01:29 PM
Faster Good effort, dkirby... but "tom" posted that nearly 7 years ago and hasn't been hanging around lately!!

There was a local BC outfit that built one or two boats with a similar rig, called the "Asailia" 27 or 28... very odd and not sure that it would be all that versatile.... It's still around here somewhere.
11-19-2009 01:02 PM
dkirbyjwa Is this it?

1990 Northwest Kevlar Epoxy Delta Rigged Cruiser Sail Boat For Sale -
11-19-2009 01:01 PM
dkirbyjwa Hold on, I'll check again.
11-19-2009 01:00 PM
dkirbyjwa Hey Tom, I think I saw it on yachtworld.
06-29-2003 12:18 PM
Trying to locate a Delta Rig Sailboat

Brian, the pictures you have are pictures of the boat iam looking for. thanks, this summer i will check around Port Orchard. if you want, send me a e-mail and i''ll give the name and number of the designer/builder of these two sailboats. also, i have a copy of the drawing. i might also mention the hull is kevlar and graphite.
tom allen
06-28-2003 05:04 AM
Trying to locate a Delta Rig Sailboat

Dear Tom,
I have been searching for an owner of such a vessel. I have some pictures I could send you to verify that we are talking the same subject. You might visit my website for a look at a somewhat similar concept.

two eMails I sent out recently
Dear Gary,
Back on 4/3/02 you sent me a picture of a mast-aft (wishbone) rigged sailboat moored in Port Orchard. Is it still around?? Were you ever able to talk to the old/new

Hello Dennis,
Did you ever make contact with anyone on that vessel?? Is that vessel still around your area??

I had another gentleman send me a picture as well. I am in serious discussions with a gentleman looking to replace his std ketch rig with my version, and he also has shown an interest in knowing more about this vessel
05-29-2003 12:56 PM
Trying to locate a Delta Rig Sailboat

i currently own a 47'' Delta Rig sailboat that was built by Fred Greenway. there were only two built. if anyone has any information about the location of the other sailboat or about the builder i would appreciate hearing from you. the last i heard it was in seattle washington and was white. if you have seen 47'' america cup hull with a wishbone mast painted white with blue hash marks. thats the one! thanks, tom allen

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