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Sailboat Specifications

Cub Scow

Cat (Marconi) · Scow Sngl. Cbrd.

Designed by Robert F. Holmgren · Built by Seago Corp. (Usa) · First built 1967

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LOA 12.25 ft  ·  Beam 4.50 ft  ·  Displacement 150.00 lb  ·  Sail Area 75.00 ft²  ·  Cat (Marconi)  ·  Scow Sngl. Cbrd.
About the Cub Scow Sailboat

Designed by Robert F. Holmgren in 1967, this compact scow represents a distinctive approach to small boat sailing with its flat-bottomed hull and single centerboard configuration. Built by Seago Corporation in fiberglass, the Cub Scow offers an affordable entry point into the unique world of scow sailing, where wide beam and minimal displacement create exceptional performance characteristics. The catboat rig with its single Marconi sail keeps things refreshingly simple, making this an excellent choice for single-handed sailing or teaching newcomers the fundamentals. At just 150 pounds, the boat is easily trailerable and can be launched at shallow ramps where deeper-draft vessels cannot venture. The scow's flat bottom and centerboard design allow for beaching and exploring skinny waters that traditional sailboats must avoid. With its high sail area-to-displacement ratio of 42.53, the Cub Scow delivers spirited performance in light to moderate conditions, though the low comfort ratio indicates this is primarily a day sailor rather than an overnight cruiser. The design excels in protected waters like lakes, bays, and coastal areas with minimal wave action. For sailors seeking an uncomplicated, responsive boat that offers genuine sailing excitement without complexity, the Cub Scow delivers authentic small boat adventure.

Dimensions & Specifications
LOA (Length Overall) 12.25 ft / 3.73 m
LWL (Waterline Length) 9.00 ft / 2.74 m
Beam 4.50 ft / 1.37 m
Min Draft 0.25 ft / 0.08 m
Displacement 150.00 lb / 68 kg
Sail Area (Reported) 75.00 ft² / 6.97 m²
Design & Construction
Hull Type Scow Sngl. Cbrd.
Rigging Type Cat (Marconi)
Construction FG
Designer Robert F. Holmgren
Builder Seago Corp. (USA)
First Built 1967
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Frequently Asked Questions

What is the Cub Scow's sail area to displacement ratio?

The Cub Scow has a Sail Area to Displacement ratio (SA/D) of 42.53. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Cub Scow's comfort ratio?

The Cub Scow has a Ted Brewer Comfort Ratio of 3.13. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Cub Scow safe for offshore sailing?

The Cub Scow has a Capsize Screening Formula value of 3.39. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Cub Scow?

The theoretical hull speed of the Cub Scow is 4.02 kn knots, calculated from its waterline length.

How much does a Cub Scow weigh?

The Cub Scow has a displacement of 150.00 lb and a length overall (LOA) of 12.25 ft.

Who designed the Cub Scow?

The Cub Scow was designed by Robert F. Holmgren, first built in 1967.