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Sailboat Specifications

Wianno Junior

Fractional Sloop · Keel/Cbrd.

Designed by H. Manley Crosby · Built by Crosby Yacht Building And Storage Co. (Usa) · First built 1921

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LOA 16.50 ft  ·  Beam 6.00 ft  ·  Displacement 900.00 lb  ·  Sail Area 150.00 ft²  ·  Fractional Sloop  ·  Keel/Cbrd.
About the Wianno Junior Sailboat

Designed by H. Manley Crosby in 1921, this classic wooden daysailer represents nearly a century of refined New England sailing tradition. Built by Crosby Yacht Building And Storage Co., the Wianno Junior embodies the timeless elegance of Cape Cod's maritime heritage with its traditional construction and proven seaworthiness. At 16.5 feet overall with a 6-foot beam, this fractional sloop offers an ideal balance of stability and performance for coastal sailing and sailing instruction. The 300-pound ballast in a 900-pound displacement provides reassuring stability, while the keel/centerboard configuration allows for both deeper water sailing and shallow harbor exploration. With 150 square feet of sail area, the boat delivers spirited performance without being overpowering for newer sailors. The Wianno Junior's low comfort ratio of 9.09 and moderate capsize screening value of 2.49 indicate its design priorities favor performance over accommodation, making it perfectly suited for day sailing, sailing education, and junior racing programs. Its 4.83-knot hull speed provides respectable pace for a boat of this size. Though only 80 were built, the Wianno Junior remains a cherished example of classic American small boat design, offering modern sailors an authentic connection to traditional seamanship and craftsmanship.

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Dimensions & Specifications
LOA (Length Overall) 16.50 ft / 5.03 m
LWL (Waterline Length) 13.00 ft / 3.96 m
Beam 6.00 ft / 1.83 m
Max Draft 3.50 ft / 1.07 m
Min Draft 1.50 ft / 0.46 m
Displacement 900.00 lb / 408 kg
Ballast 300.00 lb / 136 kg
Ballast Type Iron
Sail Area (Reported) 150.00 ft² / 13.94 m²
Design & Construction
Hull Type Keel/Cbrd.
Rigging Type Fractional Sloop
Construction Wood
Designer H. Manley Crosby
Builder Crosby Yacht Building and Storage Co. (USA)
First Built 1921
Number Built 80
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Frequently Asked Questions

What is the Wianno Junior's sail area to displacement ratio?

The Wianno Junior has a Sail Area to Displacement ratio (SA/D) of 25.79. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Wianno Junior's comfort ratio?

The Wianno Junior has a Ted Brewer Comfort Ratio of 9.09. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Wianno Junior safe for offshore sailing?

The Wianno Junior has a Capsize Screening Formula value of 2.49. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Wianno Junior?

The theoretical hull speed of the Wianno Junior is 4.83 kn knots, calculated from its waterline length.

How much does a Wianno Junior weigh?

The Wianno Junior has a displacement of 900.00 lb and a length overall (LOA) of 16.50 ft.

Who designed the Wianno Junior?

The Wianno Junior was designed by H. Manley Crosby, first built in 1921.