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Sailboat Specifications

Hullmaster 27

Masthead Sloop · Fin With Rudder On Skeg

Designed by Ted Brewer/Robert Walstrom · Built by Hullmaster Boats, Ltd./Ds Yachts (Can) · First built 1974

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LOA 27.25 ft  ·  Beam 9.25 ft  ·  Displacement 7,400.00 lb  ·  Sail Area 398.00 ft²  ·  Masthead Sloop  ·  Fin With Rudder On Skeg
About the Hullmaster 27 Sailboat

Designed by the respected team of Ted Brewer and Robert Walstrom, this Canadian-built 27-footer emerged in 1974 as a thoughtfully conceived coastal cruiser. With only 40 hulls produced by Hullmaster Boats and DS Yachts, the Hullmaster 27 represents a relatively rare find in today's used boat market. The boat's moderate proportions and fin keel with skeg-mounted rudder configuration deliver balanced sailing characteristics well-suited for coastal cruising and weekend adventures. Her displacement of 7,400 pounds, bolstered by 3,000 pounds of ballast, provides reassuring stability while maintaining reasonable performance under her masthead sloop rig. The hull's 6.21-knot theoretical hull speed offers respectable passage-making ability for exploring protected waters and nearby coastlines. Ted Brewer's influence is evident in the boat's seaworthy lines and practical design approach. The comfortable 25.43 comfort ratio suggests adequate interior volume for extended cruising, while the low 1.9 capsize screening value indicates good stability characteristics. With her fiberglass construction and proven pedigree, the Hullmaster 27 appeals to sailors seeking a well-built, manageable cruiser with classic design sensibilities and the reliability expected from this era of Canadian boatbuilding craftsmanship.

Dimensions & Specifications
LOA (Length Overall) 27.25 ft / 8.31 m
LWL (Waterline Length) 21.50 ft / 6.55 m
Beam 9.25 ft / 2.82 m
Max Draft 4.25 ft / 1.30 m
Displacement 7,400.00 lb / 3,357 kg
Ballast 3,000.00 lb / 1,361 kg
Sail Area (Reported) 398.00 ft² / 36.98 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Ted Brewer/Robert Walstrom
Builder Hullmaster Boats, Ltd./DS Yachts (CAN)
First Built 1974
Number Built 40
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Frequently Asked Questions

What is the Hullmaster 27's sail area to displacement ratio?

The Hullmaster 27 has a Sail Area to Displacement ratio (SA/D) of 16.82. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Hullmaster 27's comfort ratio?

The Hullmaster 27 has a Ted Brewer Comfort Ratio of 25.43. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Hullmaster 27 safe for offshore sailing?

The Hullmaster 27 has a Capsize Screening Formula value of 1.9. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Hullmaster 27?

The theoretical hull speed of the Hullmaster 27 is 6.21 kn knots, calculated from its waterline length.

How much does a Hullmaster 27 weigh?

The Hullmaster 27 has a displacement of 7,400.00 lb and a length overall (LOA) of 27.25 ft.

Who designed the Hullmaster 27?

The Hullmaster 27 was designed by Ted Brewer/Robert Walstrom, first built in 1974.