BoatsSpacesailer 20

Spacesailer 20

Masthead Sloop · Fin w/transom Hung Rudder · First built 1981

A lightweight 6.1-metre fin-keeler launched in 1981, optimized for coastal sailing with a nimble 862kg displacement

Designed by Kim Swarbrick, built by Swarbrick Brothers Yachts.

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

Is it for you?

Character

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

TrailerableBeam 2.39 m — inside the 2.55 m no-permit tow width across most of Europe, and the 2.59 m US and Canadian limit. About 862 kg of hull, so roughly 1,450 kg on a trailer: check that against your own towing rating.Shoal draftDraws 1.07 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LivelySea-kindly

Her light displacement on a beamy beam gives 10 — a quick, lively motion that feels every wave.

Comfort ratio 10
CoastalBluewater

At 2.53 she sits above the 2.0 line — beamy for her weight, and happiest coastal.

Capsize screening 2.53
LightHeavy

145 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 145
TenderStiff

37% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 37%

Light and lively — happiest day-sailing and coastal-hopping in settled weather.

  • Lighter than ~75% of boats her size on file

Compared with 563 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
36.8%
Rig & sail area
Rig
Masthead Sloop
Ratios
Displacement / length
145.4
Comfort ratio
10.2
Capsize screening
2.53
Hull speed
5.7 kn
Pounds / inch immersion
504
Hull
Hull type
Fin w/transom hung rudder
Construction
Fiberglass
Ballast type
Mixed Iron/Lead
Production
Years built
First built 1981
Designer
Kim Swarbrick
Builder
Swarbrick Brothers Yachts

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.

Allegro (Westell)6.32 mSame hull family0.2 m longerA John Westell-designed fractional sloop with twin keels, built for performance and shoal water access since 1956
Bavaria Yachts 6066.50 mSame hull family0.4 m longerA lightweight 6.5-meter fractional sloop with a high sail-area-to-displacement ratio for spirited coastal sailing
J Boats Tillotson Pearson J/226.86 mSame hull family0.8 m longerA high-performance fractional sloop with a high sail-area-to-displacement ratio designed for competitive one-design racing
Ranger Yachts 226.86 mSame hull family0.8 m longerAn IOR mini-ton racer with a high sail-area-to-displacement ratio, built for competitive performance in a compact hull
Beneteau First 2357.11 mSame hull family1.0 m longerA Groupe Finot-designed fractional sloop built for performance, featuring a light displacement and high sail area ratio
J J/77.04 mSame hull family0.9 m longerA 2024 fractional sloop with a shallow 1.16m draft and a high 23.55 sail-area-to-displacement ratio for responsive daysailing

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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