Home/ Boats/ Allied Boat Company/ Allied Seawind 300
Sailboat Specifications

Allied Seawind 300

Ketch · Monohull

Designed by Thomas Gillmer · Built by Allied Boat Company · First built 1962

+ Add to Compare
LOA 30.5  ·  Beam 9.25  ·  Displacement 12000  ·  Sail Area 425  ·  Ketch  ·  Monohull
About the Allied Seawind 300 Sailboat

Long-keeled ketch with transom-hung rudder and traditional cruising character. Solid fiberglass construction from Thomas Gillmer for comfortable coastal and offshore cruising.

Videos
Dimensions & Specifications
LOA (Length Overall) 30.5
LWL (Waterline Length) 24.0
Beam 9.25
Max Draft 4.17
Displacement 12000
Ballast 4200
Sail Area (Reported) 425
Design & Construction
Hull Type Monohull
Rigging Type Ketch
Construction Fiberglass
Designer Thomas Gillmer
Builder Allied Boat Company
First Built 1962
Last Built 1982
Related Sailboats Westsail 32 · Alberg 30 · Contessa 26
Owner Reviews

No owner reviews yet — be the first to share your experience with this boat.

Engine & Accommodations
Fuel Capacity 12
Water Capacity 12
Frequently Asked Questions

What is the Allied Seawind 300's sail area to displacement ratio?

The Allied Seawind 300 has a Sail Area to Displacement ratio (SA/D) of 12.97. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Allied Seawind 300's comfort ratio?

The Allied Seawind 300 has a Ted Brewer Comfort Ratio of 36.67. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Allied Seawind 300 safe for offshore sailing?

The Allied Seawind 300 has a Capsize Screening Formula value of 1.62. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Allied Seawind 300?

The theoretical hull speed of the Allied Seawind 300 is 6.56 knots, calculated from its waterline length.

How much does a Allied Seawind 300 weigh?

The Allied Seawind 300 has a displacement of 12000 and a length overall (LOA) of 30.5.

Who designed the Allied Seawind 300?

The Allied Seawind 300 was designed by Thomas Gillmer, first built in 1962.