Home/ Boats/ Hunter Boats/ Hb 31
Sailboat Specifications

Hb 31

Fractional Sloop · Fin W/Spade Rudder

Designed by Van De Stadt · Built by Hunter Boats · First built 1983

+ Add to Compare
LOA 30.50 ft  ·  Beam 10.50 ft  ·  Displacement 5,500.00 lb  ·  Sail Area 370.00 ft²  ·  Fractional Sloop  ·  Fin W/Spade Rudder
About the Hb 31 Sailboat

Finding comprehensive information about the Hb 31 proves challenging, as this sailboat appears to be a lesser-documented design with limited specifications readily available. Despite the scarcity of detailed technical data, this 31-foot sailboat likely represents a mid-sized cruising design from an era when many manufacturers were exploring various approaches to coastal and near-shore sailing. Based on its size classification, the Hb 31 would typically appeal to sailors seeking a boat capable of comfortable weekend cruising and coastal exploration. Thirty-one-foot sailboats generally offer a practical balance between manageable size for smaller crews and adequate interior space for extended outings. This length category often features boats designed for versatility, handling both day sailing adventures and multi-day coastal passages with reasonable comfort. Without extensive documentation available, the Hb 31 remains somewhat enigmatic in sailing circles. Prospective buyers researching this model would benefit from seeking out existing owners or sailing forums where first-hand experiences might provide insights into the boat's sailing characteristics, build quality, and overall performance. The limited available information suggests this boat may represent a more specialized or regional design rather than a widely produced mainstream model.

Dimensions & Specifications
LOA (Length Overall) 30.50 ft / 9.30 m
LWL (Waterline Length) 23.60 ft / 7.19 m
Beam 10.50 ft / 3.20 m
Max Draft 5.60 ft / 1.71 m
Displacement 5,500.00 lb / 2,495 kg
Ballast 2,645.00 lb / 1,200 kg
Sail Area (Reported) 370.00 ft² / 34.37 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Van de Stadt
Builder Hunter Boats
First Built 1983
Last Built 1985
Owner Reviews

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

Engine & Accommodations
Horsepower 15
Frequently Asked Questions

What is the Hb 31's sail area to displacement ratio?

The Hb 31 has a Sail Area to Displacement ratio (SA/D) of 19.06. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Hb 31's comfort ratio?

The Hb 31 has a Ted Brewer Comfort Ratio of 14.45. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Hb 31 safe for offshore sailing?

The Hb 31 has a Capsize Screening Formula value of 2.38. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Hb 31?

The theoretical hull speed of the Hb 31 is 6.51 knots, calculated from its waterline length.

How much does a Hb 31 weigh?

The Hb 31 has a displacement of 5,500.00 lb and a length overall (LOA) of 30.50 ft.

Who designed the Hb 31?

The Hb 31 was designed by Van De Stadt, first built in 1983.