BoatsShow 34

Show 34

Masthead Sloop · Fin keel, spade rudder · First built 1974

A Doug Peterson-designed IOR 3/4 ton racer that proved its pedigree with a top-five finish at the 1974 3/4 Ton Cup

Designed by Doug Peterson, built by Barberis.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/spade Rudder

Is it for you?

Character

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

LivelySea-kindly

Her moderate displacement on a moderate beam gives 24 — a moderate, middle-of-the-road motion.

Comfort ratio 24
CoastalBluewater

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

Capsize screening 1.97
LightHeavy

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

Displacement / length 239
EasygoingPowered-up

17.0 — moderate power for her weight; steady, all-round performance.

Sail area / displacement 17.0
TenderStiff

41% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 41%

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

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
40.8%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
17.0
Displacement / length
239.2
Comfort ratio
23.9
Capsize screening
1.97
Hull speed
7.0 kn
Pounds / inch immersion
1055
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Production
Years built
First built 1974
Designer
Doug Peterson
Builder
Barberis

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.

Hunter Marine 3410.49 mSame hull family0.2 m longerA 10.49-metre cruiser offering a shoal-draft option of 1.30 metres for versatile coastal access
Seidelmann Yachts 3410.36 mSame hull familyNear-identical lengthA 1981 masthead sloop with a 45% ballast ratio, balancing a light-displacement hull with a deep 1.65-meter fin keel
Cal Boats 3410.13 mSame hull familyNear-identical lengthA masthead sloop with a fin keel and spade rudder, favored by Jensen Marine founder Jack Jensen for personal cruising
Moody 33310.06 mSame hull family0.2 m shorterA twin-keel cruiser featuring an aft cabin with a double berth accessible directly from the saloon
Tartan Marine 34-210.49 mSame hull family0.2 m longerA Sparkman & Stephens masthead sloop featuring an extended stern and refined interior based on the Tartan 33R
Victoria Marine 3410.44 mSame hull family0.2 m longerA versatile cruiser available as a masthead sloop or cutter, featuring a shallow 1.47m draft and a skeg-hung rudder

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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