To ruggidize I am adding twin keels for more stability and better beachlanding.
NOW I ADD TWIN KEELS TO RUGGEDIZE EXLEX
Twin keels have been on my mind for a long time in fact since 1980 when I was up in Maine and John Letcher help me to draw a nice twin keeler. I worker on her for three years but things interfered and she never got finished. Boats with bow centerboards took over.
Now the idea is to combine the advantages of bow centerboard and twin keels on Exlex. That will make her slower in light wind but will make her more weatherly in strong. It will also make her a much safer beach landing craft so that I can park her in places that dries out at low tide.
Two events have lead to that. The plan was to double Cape Horn and make a landfall at Valdivia.
However Chiloé Island in Chile have also for a long time been on my mind. Yesterday for no particular reason I turned on Google Maps and looked at the island. It certainly was very attractive to my liking, wild, windy and plenty of rain, but not a lot of marinas very good.
The boats rest on the beach when water ebbs. Also strong winds. With twin keels I can add ballast low down and still keep the desired shallow draft of 45 centimeter or eighteen inches.
The other thing is the newly started war in Ukraine. I do not know how it will develop. And I hope that I will have time to finish my boat before bad things happen here in Sweden.
I think that the risk that they drop atomic bombs on my head is less in a windy creek on a small island in Patagonia
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Sven Yrvind
At 86, Sven Yrvind is still pushing the limits of small-boat design. Discover the philosophy and technical grit behind his 'Exlex' series.
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Mockup – No Ballast, Deckhouse Buoyancy for Self Righting
This Youtube channel is about me Sven Yrvind. I am 87 and a half years old dyslectic solo sailor. I am building a plywood test boat for a Divinycell and NM-epoxy high-latitude cruiser. She will be about 4.5 meter or 14 feet and 9 inches long, the beam 1.36 meter, 4 feet 6 inches. She is a two mas...
The two bulkheads weakly installed.
This Youtube channel is about me Sven Yrvind. I am 87 and a half years old dyslectic solo sailor. I am building a plywood test boat for a Divinycell and NM-epoxy high-latitude cruiser. She will be about 4.5 meter or 14 feet and 9 inches long, the beam 1.36 meter, 4 feet 6 inches. She is a two mas...
The Outer Coaming and Fiberglassing the Inner One.
Sven Yrvind fits the outer spray skirt coaming and laminates fiberglass onto the inner coaming in his workshop, refining his rope attachment setup and filleting the joint defenses.
Starting the Inner of Two Spray Skirt Coamings.
Sven Yrvind works in his workshop cutting and fitting inner and outer spray skirt coamings, detailing kerf measurements and fiberglass reinforcement.
Cutting the Divinycell Bulkheads.
In his Västervik workshop, Sven Yrvind shapes composite bulkheads and constructs rounded hatch coamings with dual spray protection for his compact ocean cruiser, verifying hull symmetry and deck crown alignment.