BoatsTwister 28 (Holman)

Twister 28 (Holman)

Masthead Sloop · Long Keel w/trans. Hung Rudder · 1964–1983

A Kim Holman-designed long-keeler with a high comfort ratio, transitioning from classic wood to versatile fiberglass.

Designed by Kim Holman, built by Uphams.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Long Keel w/trans. Hung 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 heavy displacement on a narrow beam gives 40 — a heavy, notably soft motion offshore.

Comfort ratio 40
CoastalBluewater

At 1.50 she sits well under the 2.0 line — a solidly ocean-capable hull for her size.

Capsize screening 1.50
LightHeavy

448 — very heavy for her waterline, a serious load-carrying cruiser.

Displacement / length 448
EasygoingPowered-up

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

Sail area / displacement 12.1
TenderStiff

46% of her weight is ballast — stiff, standing up well to her sails.

Ballast 46%

Built heavy and sea-kindly — a boat made to cross oceans and forgive a rough night.

  • Draws more than ~80% of boats her size on file

Compared with 350 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
46.4%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
12.1
Displacement / length
447.8
Comfort ratio
40.5
Capsize screening
1.50
Hull speed
6.2 kn
Pounds / inch immersion
621
Hull
Hull type
Long keel w/trans. hung rudder
Construction
Wood
Production
Years built
1964–1983
Units built
200
Designer
Kim Holman
Builder
Uphams, Tyler

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.

Sea Sprite 309.20 mSame hull family0.6 m longerA 9.2-metre cruiser with a 41% ballast ratio, delivering a stiff and steady motion for coastal passages
Pacific Seacraft Orion 279.42 mSame hull family0.8 m longerA heavy-displacement cutter designed by Henry Mohrschladt for offshore stability and traditional long-keel handling
Cape Dory 30C9.21 mSame hull family0.6 m longerA cutter-rigged cruiser with a full keel and a 1.27-metre draft, built for steady performance between 1976 and 1987
Alberg 309.22 mSame hull family0.6 m longerA 25-year production classic with a heavy displacement-to-length ratio that remains a capable choice for offshore passages
Alden 32 Motor Sailer9.60 mSame hull family1.0 m longerOriginally known as the Winsome Class, this masthead sloop features a long keel and was available in both sloop and ketch
Cape Dory 288.56 mSame hull familyNear-identical lengthA classic Carl Alberg full-keel masthead sloop designed for steady, comfortable 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.

Keep looking

Nothing filmed of this one yet

Two ways to keep looking — both search what the fleet has actually recorded.

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