Spencer Boats 31

Masthead Sloop · Fin w/spade rudder · 1966–present

Specifications

Dimensions

Weights

Ballast / displacement

36.9%

Rig & sail area

Rig

Masthead Sloop

Ratios

SA / displacement

15.9

Displacement / length

301.9

Comfort ratio

28.9

Capsize screening

1.74

Hull speed

6.6 kn

Pounds / inch immersion

786

Hull

Hull type

Fin w/spade rudder

Construction

Fiberglass

Ballast type

Lead

Production

Years built

1966–present

Units built

24

Designer

John Brandlmayr

Builder

Spencer Boats, Spencer Boats Ltd.

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