IRWIN 3/4 TON

Main

Appendages
Fin with rudder on skeg
Construction
FG
First built hull
1976
Hull type
Monohull
Model
IRWIN 3/4 TON
Sailboat builder
Irwin Yachts
Sailboat designer
Ted Irwin

Dimensions

Ballast weight
2041.0
Beam
2.9
Displacement
4407.0
Draft
1.37
Max Draft
1.37
Overall length
10.36
Waterline length
8.61

Sails

E
3.66
Est. Forestay Length
14.01
Fore area
28.48
I
13.35
J
4.27
Mainsail area
20.68
P
11.31
Total area
49.15

Engine

Performance

Ballast ratio
46.32
Capsize Screening Formula
1.78
Comfort Ratio
24.97
Critical hull speed
7.12
Displacement-length ratio (DLR)
192.37
Upwind sail area to displacement
18.65

Accomodation

The IRWIN 3/4 Ton sailing boat is a popular racing yacht that was designed and built by the American boat manufacturer, Irwin Yachts. It was specifically designed to compete in the International Offshore Rule (IOR) 3/4 Ton class, which was a popular racing class in the 1970s and 1980s.

The boat measures approximately 33 feet in length and has a displacement of around 7,000 to 8,000 pounds. It features a sleek and narrow hull design, with a fin keel and a spade rudder, which allows for excellent maneuverability and speed.

The IRWIN 3/4 Ton is known for its performance on the racecourse, as it was designed to be fast and competitive. It has a large sail area, with a tall mast and a generous sail plan, which allows it to catch the wind effectively and achieve high speeds. The boat's lightweight construction and efficient hull shape also contribute to its speed and agility.

In terms of accommodation, the IRWIN 3/4 Ton typically has a basic interior layout, as its primary focus is on racing performance rather than comfort. It usually features a small cabin with a few berths, a basic galley, and a minimalistic head (bathroom) facility.

Overall, the IRWIN 3/4 Ton sailing boat is a well-regarded racing yacht that offers a thrilling sailing experience. Its speed, maneuverability, and competitive nature make it a popular choice among racing enthusiasts.

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