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Performance

Swan 371 Performance

How the Swan 371 performs on the water — racing handicap, sail-carrying power, stability and comfort.

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The Swan 371 is and respectable in club racing.

Hull Speed

The theoretical displacement-mode speed limit — determined by waterline length, not engine or sail power.

7.3 kts
A displacement hull pushes a bow wave whose speed is limited by the waterline length. With a waterline of 29.7′, the Swan 371 tops out around 7.3 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √29.7′ LWL = 7.3 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
120s/nm
Cruiser/racer — competitive in club racing, comfortable cruising.
Ballast / Displacement
35.4%
Typical cruising ballast — balanced stability and motion underway.
Displacement / Length
274
Moderate-heavy — carries provisions well, deliberate in light air.
Hull Speed
7.3kts
Pounds/Inch Immersion
7lbs
Weight needed to sink the hull one inch — loading sensitivity.

PHRF Fleet Position

Where the Swan 371 sits on the PHRF handicap spectrum — lower numbers mean faster boats.

Racer 0–90
Cruiser/Racer 90–150
Cruiser 150–210
J/37 75s/nm
X 372 95s/nm
Baltic 37 114s/nm
Swan 371 120s/nm Cruiser/racer — competitive in club racing, comfortable cruising.
Passport 37 138s/nm
Oyster 37 140s/nm

How It Compares

Side-by-side with the boats most often cross-shopped against the Swan 371.

Swan 371 Baltic 37 J/37 Oyster 37 Passport 37 X 372
Dimensions
LOA 37.0 37.0 37.0 37.0 37.0 37.0
LWL 29.7 27.3 30.8 31.2 29.6 29.5
Beam 11.4 12.0 12.1 12.1 11.9 11.7
Displacement 16 13 12 16 17 11
Ballast 5 6 4 7 6 4
Sail Area 640 641 645 673 593
Performance
PHRF 120 114 75 140 138 95
SA/Disp 18.0 19.4 16.0 16.1 19.0
Bal/Disp 35.4 45.0 40.0 44.0 43.1
Comfort 25.5 29.0 28.1 31.1 20.6
Capsize 2.01 1.67 1.90 1.84 2.10
Hull Speed 7.0 8.7 7.5 7.3 7.3