IRWIN 28 MK III

Main

Appendages
Fin with rudder on skeg
Construction
FG
First built hull
1974
Hull type
Monohull
Last built hull
1976
Model
IRWIN 28 MK III
Sailboat builder
Irwin Yachts
Sailboat designer
Ted Irwin

Dimensions

Ballast Type
Lead
Ballast weight
1361.0
Beam
2.74
Displacement
3538.0
Draft
1.37
Max Draft
1.37
Overall length
8.69
Waterline length
7.01

Sails

E
2.99
Est. Forestay Length
11.86
Fore area
20.62
I
11.28
J
3.66
Mainsail area
14.43
P
9.66
Total area
35.02

Engine

Fuel type
Gas
Make
Atomic 4

Performance

Ballast ratio
38.46
Capsize Screening Formula
1.82
Comfort Ratio
26.2
Critical hull speed
6.43
Displacement-length ratio (DLR)
286.2
Upwind sail area to displacement
15.39

Accomodation

The IRWIN 28 MK III is a popular sailing boat that was manufactured by the American company, Irwin Yachts, in the 1970s and 1980s. It is a well-built and sturdy vessel that offers a comfortable cruising experience.

Here are some key features and specifications of the IRWIN 28 MK III:

1. Design: The boat was designed by Ted Irwin, a renowned naval architect, known for his innovative and functional designs. The IRWIN 28 MK III features a moderate displacement hull with a fin keel and a skeg-mounted rudder, providing good stability and maneuverability.

2. Dimensions: The boat has an overall length of 28 feet (8.5 meters) and a beam of 10 feet (3 meters). It has a draft of 4 feet (1.2 meters), making it suitable for coastal cruising and shallow waters.

3. Accommodation: The IRWIN 28 MK III offers a spacious and comfortable interior layout. It typically has a V-berth forward, a main salon with settees that can convert into berths, a galley with a stove, sink, and icebox, and a head compartment with a marine toilet. The boat can accommodate up to 4-6 people for overnight trips.

4. Sailing Performance: The boat is known for its good sailing performance, with a balanced sail plan and a well-designed hull shape. It has a masthead sloop rig with a mainsail and a roller furling genoa. The boat is relatively easy to handle and can be sailed single-handedly or with a small crew.

5. Construction: The IRWIN 28 MK III is constructed using a solid fiberglass hull, which provides strength and durability. The deck is also made of fiberglass, with a non-skid surface for safety. The boat has a moderate freeboard and a spacious cockpit, allowing for comfortable seating and easy movement.

6. Additional Features: Some models of the IRWIN 28 MK III may have additional features like a swim platform, a bimini top for sun protection, and various optional equipment for customization.

Overall, the IRWIN 28 MK III is a well-regarded sailing boat that offers a good balance of comfort, performance, and affordability. It is suitable for coastal cruising, weekend getaways, and even longer voyages, depending on the sailor's preferences and experience.

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