IRWIN 33

Main

Appendages
Fin w/spade rudder
Construction
FG
First built hull
1974
Hull type
Monohull
Model
Atomic 4
Sailboat builder
Irwin Yachts
Sailboat designer
Ted Irwin

Dimensions

Ballast weight
1905.0
Beam
3.4
Displacement
4967.0
Draft
1.68
Max Draft
1.68
Overall length
10.06
Waterline length
8.38

Sails

E
3.35
Est. Forestay Length
14.07
Fore area
28.61
I
13.41
J
4.27
Mainsail area
19.16
P
11.43
Total area
47.75

Engine

Engine(s) power
30.0
Engines amount
1
Fuel tank capacity
76.0
Fuel type
Gas
Make
Universal

Performance

Ballast ratio
38.36
Capsize Screening Formula
2.02
Comfort Ratio
23.33
Critical hull speed
7.03
Displacement-length ratio (DLR)
235.05
Upwind sail area to displacement
16.74

Accomodation

Freshwater tank capacity
170
The IRWIN 33 is a popular sailing boat that was manufactured by the American company, Irwin Yachts, in the 1970s. It is a mid-sized cruising sailboat known for its spaciousness, comfort, and versatility.

Here are some key features and characteristics of the IRWIN 33:

1. Design: The IRWIN 33 features a classic design with a moderate displacement hull, a fin keel, and a skeg-mounted rudder. It has a sleek and attractive appearance.

2. Size: The boat measures approximately 33 feet in length, hence the name IRWIN 33. It has a beam (width) of around 11 feet and a draft (depth) of about 4.5 feet.

3. Accommodation: One of the standout features of the IRWIN 33 is its spacious interior. It typically offers comfortable accommodation for up to six people, with a V-berth in the forward cabin, a main salon with a convertible dinette, a well-equipped galley, a head (bathroom), and an aft cabin.

4. Sailing Performance: The IRWIN 33 is designed for cruising and offers a good balance between comfort and performance. It has a moderate sail area, which allows for easy handling and maneuverability. It is known to be stable and capable of handling various weather conditions.

5. Construction: The boat is constructed using fiberglass, which was a popular material for sailboats during that era. The hull is solidly built, providing strength and durability.

6. Deck Layout: The deck layout of the IRWIN 33 is well-designed for ease of use. It features wide side decks, allowing for safe movement around the boat. The cockpit is spacious and comfortable, providing ample seating for the crew.

7. Rigging: The IRWIN 33 typically comes with a masthead sloop rig, which consists of a single mast and a mainsail with a roller furling genoa. This rig setup allows for easy sail handling and versatility in different wind conditions.

8. Performance Under Power: The IRWIN 33 is usually powered by an inboard diesel engine, which provides sufficient power for motoring when needed. The engine is typically located under the companionway steps, allowing for easy access and maintenance.

Overall, the IRWIN 33 is a well-regarded cruising sailboat that offers a comfortable and spacious interior, good sailing performance, and a solid construction. It is a popular choice for sailors looking for a mid-sized boat that can accommodate both short trips and longer cruises.

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