Irwin Yachts 31 CITATION

Masthead Sloop · Fin w/spade rudder · 1983–present

Specifications

Dimensions

Weights

Ballast / displacement

36.6%

Rig & sail area

Rig

Masthead Sloop

Ratios

SA / displacement

17.2

Displacement / length

223.1

Comfort ratio

21.1

Capsize screening

2.10

Hull speed

6.9 kn

Pounds / inch immersion

1042

Hull

Hull type

Fin w/spade rudder

Construction

Fiberglass

Production

Years built

1983–present

Designer

Ted Irwin

Builder

Irwin Yachts

Design & history

Notable features

Keel/cb version: BU: 4.0' BD: 8.92'Shallow draft fixed keel: 4.0'

Curated reference notes

Not yet featured in any indexed video.