BoatsWesterly Marine Ltd. Konsort 29 Duo

Westerly Marine Ltd. Konsort 29 Duo

Masthead Sloop · Twin keels · 1984–1988

A pilothouse motorsailer variant of the Konsort 29, featuring a twin-keel hull for shoal-draft versatility

Designed by Laurent Giles & Jack Laurent Giles.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Twin Keel

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

Shoal draftDraws 1.01 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LivelySea-kindly

Her moderate displacement on a beamy beam gives 25 — a moderate, middle-of-the-road motion.

Comfort ratio 25
CoastalBluewater

1.99 — just under the 2.0 offshore line; her beam is modest for her weight.

Capsize screening 1.99
LightHeavy

267 — moderately heavy for her waterline, a balanced cruising weight.

Displacement / length 267
EasygoingPowered-up

13.4 — modest power for her weight; easygoing rather than lively, and happier with a breeze.

Sail area / displacement 13.4
TenderStiff

32% of her weight is ballast — on the tender side; she'll heel readily and want a reef sooner.

Ballast 32%

A capable cruiser that sits just inside the offshore line — coastal work with real passages in her.

  • Heavier than ~75% of boats her size on file
  • Draws less than ~93% of boats her size on file

Compared with 2303 boats of the same type within a quarter of her length.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Ballast / displacement
31.7%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
13.4
Displacement / length
266.6
Comfort ratio
24.8
Capsize screening
1.99
Hull speed
6.8 kn
Pounds / inch immersion
986
Hull
Hull type
Twin Keel
Construction
Fiberglass
Ballast type
Iron
Production
Years built
1984–1988
Units built
108
Designer
Laurent Giles, Jack Laurent Giles
Builder
Westerly Marine Ltd

Boats like this, on the water

Nobody has filmed this one — but these are close.

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Cal 2-298.84 mSame hull familyNear-identical lengthAn upgraded cruising variant of the standard 29, featuring enhanced equipment and a masthead rig
Islander Yachts 309.02 mSame hull family0.2 m longerA raised-deck masthead sloop with a shallow 1.12-metre draft, produced briefly as a distinct variant of the Islander 29
Shannon Yachts 288.53 mSame hull family0.3 m shorterA fin-keeled cutter with a transom-hung rudder, built for coastal cruising with a stiff 38% ballast ratio
Islander Yachts 288.51 mSame hull family0.3 m shorterA Robert Perry-designed masthead sloop with over 400 built, favored by the designer himself for her balanced performance
Jeanneau Sun Odyssey 30i8.99 mSame hull family0.2 m longerA Marc Lombard-designed fractional sloop built for coastal cruising with a balanced, modern hull form.
Ranger Yachts 29 (Mull)8.71 mSame hull familyNear-identical lengthA 1970s masthead sloop with a skeg-hung rudder, offering a balanced 1.98 capsize screening for coastal cruising

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

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