Design

Thalas 13

A 4 m rowing boat taking its lines from the nineteenth century American Whitehall, redrawn for chine plywood so it is lighter and quicker to build than the original. Narrow waterlines for rowing and a V bottom for a steady speed, with a sail as an auxiliary and no centreboard.

What building a Thalas 13 actually takes

Medians from the build logs kept on this site, not the designer’s estimate. Nobody has logged this boat here yet, so they are empty until the first builder does.

Build logs

Launched

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Median hours

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Median months

Those medians firm up as more people log this boat.

Builds of this boat

Nobody has logged a Thalas 13 here yet.

If you are building one, yours becomes the reference: the page the next person building this boat finds when they search for it. One photo and one line is a valid first entry.

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Boats like this one

Same type, closest in length.

Design	Plans from	LOA
Gozzo 4m	BCA Demco	4 m (13′ 1″)
Poleboat 13	Devlin	13′ 2″ (4.01 m)
Mallard 13	Devlin	13′ 0″ (3.96 m)
Sissy Do	Glen-L Marine	13′ 3″ (4.04 m)
Row 13	Bateau	13′ 4″ (4.06 m)
Great Island Rowboat	Duck Trap Woodworking	12′ 10″ (3.91 m)