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Sailboat Specifications

Heavenly Twins

Masthead Sloop · Catamaran (No Boards/Asym.)

Designed by Pat Patterson · Built by Heavenly Cruising Yachts Ltd. (Uk) · First built 1971

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LOA 27.00 ft  ·  Beam 13.75 ft  ·  Displacement 6,285.40 lb  ·  Sail Area 380.00 ft²  ·  Masthead Sloop  ·  Catamaran (No Boards/Asym.)
About the Heavenly Twins Sailboat

Designed by Pat Patterson and launched in 1971, this British-built catamaran represents an early entry into the production multihull market. Heavenly Cruising Yachts Ltd. constructed these fiberglass vessels with a focus on comfortable coastal cruising and moderate performance sailing. The Heavenly Twins features a beamy 13.75-foot width that provides exceptional stability and spacious accommodations for its 27-foot length. With a shallow 2.25-foot draft, this catamaran excels in exploring thin waters, anchorages, and coastal areas that would challenge deeper-draft monohulls. The masthead sloop rig carries 380 square feet of sail area, delivering respectable performance while remaining manageable for small crews. At 6,285 pounds displacement, the design strikes a balance between structural integrity and sailing efficiency. The SA/Displacement ratio of 17.91 indicates moderate performance characteristics well-suited to relaxed cruising rather than racing applications. Twin 9-horsepower engines provide adequate auxiliary power and excellent maneuverability in tight quarters. This catamaran appeals most to sailors seeking stable, shoal-draft cruising capabilities with the comfort and space advantages inherent to multihull design. The Heavenly Twins works best for protected waters, coastal exploration, and weekend cruising where comfort takes precedence over ultimate speed.

Dimensions & Specifications
LOA (Length Overall) 27.00 ft / 8.23 m
LWL (Waterline Length) 21.50 ft / 6.55 m
Beam 13.75 ft / 4.19 m
Max Draft 2.25 ft / 0.69 m
Displacement 6,285.40 lb / 2,851 kg
Sail Area (Reported) 380.00 ft² / 35.30 m²
Design & Construction
Hull Type Catamaran (no boards/asym.)
Rigging Type Masthead Sloop
Construction FG
Designer Pat Patterson
Builder Heavenly Cruising Yachts Ltd. (UK)
First Built 1971
Associations Heavenly Twins and Cruising Catamaran Association
Related Sailboats Cs 27 · Tartan 27 · C&C 27 · Vancouver 27 · Newport 27 1
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Engine & Accommodations
Engine Make Yanmar
Engine Model 1GM10
Engine Type Diesel
Horsepower 2x 9
Fuel Capacity 24 gals / 90 L
Water Capacity 62 gals / 234 L
KSP 0.57
Frequently Asked Questions

What is the Heavenly Twins's sail area to displacement ratio?

The Heavenly Twins has a Sail Area to Displacement ratio (SA/D) of 17.91. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Heavenly Twins's comfort ratio?

The Heavenly Twins has a Ted Brewer Comfort Ratio of 12.69. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Heavenly Twins safe for offshore sailing?

The Heavenly Twins has a Capsize Screening Formula value of 2.98. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Heavenly Twins?

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

How much does a Heavenly Twins weigh?

The Heavenly Twins has a displacement of 6,285.40 lb and a length overall (LOA) of 27.00 ft.

Who designed the Heavenly Twins?

The Heavenly Twins was designed by Pat Patterson, first built in 1971.