Here is Vivace as I “found” her (or did she find me) sitting for 14 years on Lake Powell, UT. And in transit in the middle of April, 2012 Spent the last couple of days removing all of the odds and ends, from the previous owner, not attached to the boat and have posted quite [...]
http://www.youtube.com/watch?v=kyYp2objaT4&feature=g-upl&context=G2620248AUAAAAAAAAAA
DUNLEANIN is the last of the Iroquois fast cruising catamarans to be built by Sailcraft in Brightlingsea. She has been well maintained and is now offered for sale by the long standing syndicate owners. Dunleanin sleeps 8 and has full standing headroom in both hulls. She is a spacious and very well equipped boat fitted [...]
Hi all. I enjoy checking in on this site almost daily. I think one of the downfalls is that members are drawn to “Post” their questions in the “Blog” area, when in fact, I believe it is better suited for the “Forum” area. The nice thing about the “Forum” area is that there is a [...]

Hello, This is My first Post, I do it because I started a full renovation of MKII. And maybe can help some body to know more about this babys. Also I accept all recomendations and ideas to improve it. Thanks for your help and good wishes. Don’t Hesitate to ask anything even I’m Spanish and [...]
Dose anybody have the original Sail dimensions for the Iroruois Mk2a please. I dont think mine are original and as they need replacing i want to get it right.
Hello-I am writing my first post as a new member to IOA. I would like to thank all those who make this site possible. A wealth of knowledge here. My name is Mark, I live in Punta Gorda, Fl. and sail on Charlotte Harbor. I own an Iroquois mkII and am putting her back to [...]
I am working on the interior of Flying Feather now and would like some ideas. I saw a Youtube of “Baron” where it appears to have a large head expansion, but I think on an MK2. Does anyone have floor plans of the MK1 or the MK2 with dimensions? What ideas can you share with [...]
Samu formaly known as War Dancer had her name changed between 2002 and 2005 She ws built in 1974 SSR 103267 sail number is 117 Hull number 179 special nuber 36113 ???? i dont know what this number is? She has spent time in spain but other than that i donot know much about [...]
Hello, Why does everybody use plywood when they build new rudders or leeboards. I used to shape kitesurf boards with corecell, glassfibre and epoxy ( and carbon for finish) and the big plus is that it is and enormous weigth reduction and it is easy to shape. I’ve been surfing for years without [...]
Hi IOA Members My name is Pär and come from Sweden I have started a restoration (like Benjamin) of my cat Nr.186 I bought the cat in very poor condition , but a saw a boat with wery nice sleek lines it looked fast and i couldent resist buying it Here is my list [...]
The IOA has been contacted by Paul Buttin, who is a member of Golden Oldie Multihulls. This French association is devoted to preserving classic multihulls such as Moxie, the trimaran designed by Dick Newick and sailed to victory in the 1980 OSTAR by the 65-year-old Phil Weld. The aims of the association are set out [...]

Hello, I just become the owner of a iroquois mk2, nr.221, wich is a full restauration project. For the outside of the catamaran it i pretty basic, but the inside is a different story. It is completele stripped and i am looking for pictures or drawings of the inside. There used to be [...]
I have hove-to on my CAT out in the Bay under fair condition just to check. Has anyone done a heave-to on their boat under “live” conditions?

I am in the research stages of buying a boat and the Iroquois got my attention because of the nature of the North Carolina coastline where we would be doing most of our sailing….at least until our two boys get a little older. The North Carolina Coastline could best be described as looking as if [...]
I have heerd several comments about not overloading the Iroquois. We live on ours and I do not think it is overloaded. Right now we have everything we need on the boat, except food and water for 3 weeks. RIght now without a full load my water line is about 3-4 inches before hitting the [...]
Hello I am wondering about the Iroquois and sailing heavy weather. I have heard one person say, leave one centerboard down and one up when sailing heavy weather on a reach. Another says both down, but not all the way. Any feedback here?
Roy Powell from the USA has contacted the IOA to ask about the capability of the Iroquois in blue water. I know that many Iroquois have made blue water voyages successfully, but I’m sure other members will have useful opinions, and I’d like to open the question to everyone. What’s your view? Martin (Chair, IOA) [...]
Hows this for an idea. I am a new Iroquois owner having bought ‘Catcracker’, a mk 2 No 292. She was in a terrible state when I bought her having been laid up from 2004 and being part way through a refit ( mainly destruction, very little reconstruction). I have a complete set of Iroquois windows as I [...]

I’ve at last had an opportunity to try the new rudders that I have fitted to my Iroquois IIA, Ambler. Ambler’s original steering system used a wheel and two very long cables to drive a pair of rudders fitted to massive skegs under the hulls. This equipment has been replaced by transom-mounted rudders, and [...]
This website is the result of a decision by an Annual General Meeting in the UK in March 2011, which decided that the IOA would now be run entirely through the internet. It makes good sense for an organisation which has a worldwide membership, and some of the work can be done automatically – for [...]
A notoriously unpleasent activity of sailing an iroquois is the hoisting and lowering of the outboard, especially since the 4-stroke engines haven’t lost any weight over the years, and the angle of hoisting (starting from the frame down below towards a person standing upright) remains backbreaking. Especially at my length of almost 2 m. Even [...]



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