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IRWIN 28

Built by Irwin Yachts (USA) • Designed by Ted Irwin
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IRWIN 28 - Drawing

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General Information

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
First Built: 1970

Dimensions

Length Overall (LOA): 8.53 m
Length Waterline (LWL): 6.86 m
Beam: 2.44 m
Draft (Max): 1.37 m

Weight & Ballast

Displacement: 3,583 kg
Ballast: 1,361 kg
Ballast Type: Lead

Sail Plan

Foresail Area: 18.96 m²
Mainsail Area: 17.88 m²
Sail Area: 36.85 m²
Sail Area (reported): 36.88 m²
I (Fore Triangle Height): 10.82 m
J (Fore Triangle Base): 3.51 m
P (Mainsail Hoist): 9.54 m
E (Boom Length): 3.75 m
Est. Forestay Length: 11.38 m

Engine & Systems

Engine Make: Universal
Engine Type: Gas
Engine Model: Atomic 4
Fuel Capacity: 91 L
Water Capacity: 95 L

Performance Ratios

Hull Speed: 6.36 knots
SA/Displacement (Calc): 16.05
SA/Displacement (Reported): 16.07
Ballast/Disp Ratio: 37.97%
Displacement/Length: 309.62
Comfort Ratio: 31.67
Capsize Screening: 1.61
S-Number: 1.60
Immersion: 115 kg/cm

Notes

One of Irwin's more popular models that underwent a number of changes over a long production run.

Market Value

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