German builder Grell Werft partnered with designer H. Streuer to create this compact 24-footer that punches above its weight in both performance and seaworthiness. The Sirius 727's fractional sloop rig and moderate displacement of 3,131 pounds deliver a sail area-to-displacement ratio of 18.8, indicating spirited performance that will satisfy sailors seeking responsive handling without sacrificing stability. With a comfort ratio of 13.26, this fiberglass cruiser strikes an excellent balance between motion comfort and sailing ability, making it well-suited for coastal cruising and weekend adventures. The fin keel with rudder on skeg configuration provides reliable directional control while maintaining good upwind performance. At 4.10 feet of draft, the boat can access shallow anchorages while the substantial ballast ratio ensures confident stability in challenging conditions. The capsize screening formula of 2.24 falls within acceptable limits for offshore sailing, though the 727 truly excels in coastal and inland waters where its 6.20-knot hull speed and nimble handling shine. German construction standards from Grell Werft contribute to the boat's reputation for solid build quality, while the fractional rig offers excellent sail shape control and manageable sail handling for shorthanded crews.
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What is the Sirius 727's sail area to displacement ratio?
The Sirius 727 has a Sail Area to Displacement ratio (SA/D) of 18.8. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.
What is the Sirius 727's comfort ratio?
The Sirius 727 has a Ted Brewer Comfort Ratio of 13.26. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.
Is the Sirius 727 safe for offshore sailing?
The Sirius 727 has a Capsize Screening Formula value of 2.24. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.
What is the hull speed of the Sirius 727?
The theoretical hull speed of the Sirius 727 is 6.20 kn knots, calculated from its waterline length.
How much does a Sirius 727 weigh?
The Sirius 727 has a displacement of 3,131.00 lb and a length overall (LOA) of 23.85 ft.
Who designed the Sirius 727?
The Sirius 727 was designed by H. Streuer.