BoatsTom Lack Catamarans Catalac

Tom Lack Catamarans Catalac

Catamaran, asymmetric hulls · Masthead Sloop · First built 1971

The original 1971 design that launched the series, featuring a shallow 0.69m draft and a stable masthead sloop rig

Designed by J. Winterbotom, Tom & Mary Lack.

LOA
Beam
Draft (max)
Displacement
Hull type
Catamaran (No boards/asym.)

Is it for you?

Character

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

Shoal draftDraws 0.69 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LightHeavy

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

Displacement / length 205
EasygoingPowered-up

18.1 — plenty of sail for her weight; lively and quick to respond.

Sail area / displacement 18.1
  • Draws less than ~96% of boats her size on file
  • Narrower than ~84% of boats her size on file

Compared with 109 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
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
18.1
Displacement / length
205.1
Hull
Hull type
Catamaran (no boards/asym.)
Construction
Fiberglass
Production
Years built
First built 1971
Designer
J. Winterbotom, Tom, Mary Lack
Builder
Tom Lack Catamarans, Catalac

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.

Gemini 105MC10.21 mSame hull family1.3 m longerA versatile cruising catamaran featuring a cockpit that converts with canvas or solid panels for all-weather comfort
Dragonfly 3510.68 mSame hull family1.8 m longerA high-performance trimaran with a rotating fractional rig and a 34.54 SA/D ratio built for rapid, stable cruising
Dragonfly 25-27.65 mSame hull family1.3 m shorterA high-performance trimaran with a rotating spar, available in touring or carbon-rigged sport configurations

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.

The newsletter

New boats, new stories, from everywhere.

One email from the fleet — boats newly added, videos newly analyzed. No noise.

Report an issue