BoatsWavelength 24

Wavelength 24

Masthead Sloop · Fin keel, spade rudder · 1982–1990

A lightweight, high-performance masthead sloop designed by Paul Lindenberg for competitive club racing

Designed by Paul Lindenberg, built by W. D. Schock Corp.

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

Comfort ratio 10
CoastalBluewater

At 2.66 she sits above the 2.0 line — beamy for her weight, and happiest coastal.

Capsize screening 2.66
LightHeavy

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

Displacement / length 133
EasygoingPowered-up

25.1 — a lot of sail for her weight; powered-up and eager, a real performer.

Sail area / displacement 25.1
TenderStiff

44% of her weight is ballast — stiff, standing up well to her sails.

Ballast 44%

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

  • Lighter than ~84% of boats her size on file

Compared with 1387 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
44.0%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
25.1
Displacement / length
132.8
Comfort ratio
9.7
Capsize screening
2.66
Hull speed
6.0 kn
Pounds / inch immersion
654
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Ballast type
Lead
Production
Years built
1982–1990
Units built
87
Designer
Paul Lindenberg
Builder
W. D. Schock Corp, Schock W.D

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.

J Boats Tillotson Pearson J/808.00 mSame hull family0.7 m longerA 1992 fractional sloop with a high 26.59 sail area-to-displacement ratio, engineered for rapid, agile performance
J J/77.04 mSame hull family0.3 m shorterA 2024 fractional sloop with a shallow 1.16m draft and a high 23.55 sail-area-to-displacement ratio for responsive daysailing
J Boats Tillotson Pearson J/247.32 mSame hull familyNear-identical lengthA legendary Rodney Johnstone design that defined the modern one-design racer with its high sail-area-to-displacement ratio
Bavaria Yachts 6066.50 mSame hull family0.8 m shorterA lightweight 6.5-metre fractional sloop with a high sail-area-to-displacement ratio for spirited coastal sailing
Dehler Yachts 25CR7.50 mSame hull family0.2 m longerA Van de Stadt-designed fractional sloop with a high sail area-to-displacement ratio built for spirited performance
Halcyon 236.93 mSame hull family0.4 m shorterA triple-keeled masthead sloop by Alan H. Buchanan, offering shallow-draft versatility based on the earlier Crystal 23

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

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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