S&s 34

Masthead Sloop · Fin with rudder on skeg · 1968–present

Specifications

Dimensions

Weights

Ballast / displacement

58.7%

Rig & sail area

Rig

Masthead Sloop

Ratios

SA / displacement

16.6

Displacement / length

290.7

Comfort ratio

24.3

Capsize screening

1.93

Hull speed

6.6 kn

Pounds / inch immersion

871

Hull

Hull type

Fin with rudder on skeg

Construction

Fiberglass

Production

Years built

1968–present

Designer

Sparkman, Stephens

Builder

Winfield, Partners, Aquafibre, Aquafibre Ltd.

Design & history

S&S design #1959, built by multiple yards worldwide including Aquafibre (UK) and Swarbrick Brothers (Australia), with several keel, rudder, and rig variants. Some Aquafibre hulls were exported to the US and sold as the Palmer Johnson 34.

Notable features

Mk1 keel and Mk2 keel configurations with differing ballast and draftMk2 features updated keel and rudder-skeg configurationMultiple rig options: original S&S rig, Mk1 short rig, Mk2 tall rig, and later tall rigAquafibre version has slightly raised doghouseAustralian version has uninterrupted cabin trunk

Variants

Aquafibre version (slightly raised doghouse)
Australian version (Swarbrick Brothers, uninterrupted cabin trunk)
Mark II (updated keel and rudder-skeg configuration)
Palmer Johnson 34 (US export of Aquafibre hulls)

Design

Sparkman & Stephens design #1959.

Production

Several versions built by a number of yards around the world. Aquafibre (UK) hulls were often finished by other yards; some were exported to the US and sold as the Palmer Johnson 34. Australian version built by Swarbrick Brothers.

Curated reference notes

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Compared

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