⛵ Sailboat

IRWIN 37-3

Cutter • Fin with rudder on skeg • Built 1976

drawing

Dimensions

LOA
37 ft
LWL
30 ft
Beam
11.5 ft
Max Draft
4 ft
Displacement
20,000 lbs
Ballast
7,800 lbs

Performance Ratios

Capsize Ratio ⓘ
1.70 (offshore safe)
SA/D Ratio ⓘ
13.7
D/L Ratio ⓘ
331
Ballast Ratio ⓘ
39.0%

Sail Plan

Sail Area
630 sq ft
I
42 ft
J
17.6 ft
P
35.6 ft
E
14.6 ft

Construction

Hull Type
Fin with rudder on skeg
Rig Type
Cutter
Hull Material
FG
Ballast Type
—

Production

First Built
1976
Last Built
—
Number Built
—

Engine & Accommodations

Engine Make
Perkins
Engine Model
4-108
Engine Type
Diesel
Water
180 gal
Fuel
85 gal
Mast Height
46 ft
Notes:

Available with keel centerboard and staysail ketch rig.

Keel/CB: Draft-BU: 4.0'/BD: 8.0'

RIG DIMENSION FOR KETCH:

I: 42.0'

J: 17.6'

P: 35.6'

E: 12.9'

PY: 22.16'

EY: 8.33'

Designer

Builder