The Sirena 44 is and competitive on the racecourse.
Hull Speed
The theoretical displacement-mode speed limit — determined by waterline length, not engine or sail power.
8.2 kts
A displacement hull pushes a bow wave whose speed is limited by the waterline length.
With a waterline of 37.1′, the Sirena 44 tops out around 8.2 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √37.1′ LWL = 8.2 kts
Performance Ratios
Racing handicap, sail-carrying power, stability and comfort — and what each one actually tells you about a day on the water.
PHRF Rating
72s/nm
Performance racer — quick around the cans and offshore.
Ballast / Displacement
49.0%
Race-oriented ballast ratio — very stiff and powerful.
Displacement / Length
164
Moderate — a good balance of speed and load-carrying ability.
Hull Speed
8.2kts
Pounds/Inch Immersion
10lbs
Weight needed to sink the hull one inch — loading sensitivity.
PHRF Fleet Position
Where the Sirena 44 sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Sirena 44
Performance racer — quick around the cans and offshore.