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IRWIN 21 FREE SPIRIT

Fractional Sloop • Lifting Keel • Built 1980

Dimensions

LOA: 21 ft
LWL: 16.5 ft
Beam: 8 ft
Max Draft: 4.5 ft
Min Draft: 0.84 ft
Displacement: 1,800 lbs
Ballast: 750 lbs

Performance Ratios

Capsize Ratio ⓘ: 2.63 (use caution offshore)
SA/D Ratio ⓘ: 21.8
D/L Ratio ⓘ: 179
Ballast Ratio ⓘ: 41.7%

Sail Plan

Sail Area: 202 sq ft
I: 24 ft
J: 8 ft
P: 24.5 ft
E: 8.6 ft

Construction

Hull Type: Lifting Keel
Rig Type: Fractional Sloop
Hull Material: FG
Ballast Type: Lead

Production

First Built: 1980
Last Built: —
Number Built: —

Notes:

The FREE SPIRIT is similar to the IRWIN MINI-TON but with a smaller rig.

Designer

Ted Irwin (1940–2015)

Builder

Irwin Yachts (1966–1992)

Class Associations

Related Boats

Name	LOA (ft)	Year	Rig
IRWIN MINI-TON	20.81	1978	Fractional Sloop