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Performance & Speed

Tartan 27 Performance

How the Tartan 27 performs on the water — racing handicap, speed, sail-carrying power, stability and comfort.

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Hull Speed

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

6.2 kts
A displacement hull pushes a bow wave whose speed is limited by the waterline length. With a waterline of 21.4′, the Tartan 27 tops out around 6.2 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √21.4′ LWL = 6.2 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
234s/nm
Heavy or slow cruiser — all about the journey, not the elapsed time.
Ballast / Displacement
32.4%
Typical cruising ballast — balanced stability and motion underway.
Displacement / Length
336
Moderate-heavy — carries provisions well, deliberate in light air.
Hull Speed
6.2kts
Pounds/Inch Immersion
4lbs
Weight needed to sink the hull one inch — loading sensitivity.

PHRF Fleet Position

Where the Tartan 27 sits on the PHRF handicap spectrum — lower numbers mean faster boats.

Cruiser/Racer 90–150
Cruiser 150–210
Heavy Cruiser 210–300
Cs 27 204s/nm
Pearson 27 204s/nm
Catalina 27 207s/nm
Irwin 27 225s/nm
Tartan 27 234s/nm Heavy or slow cruiser — all about the journey, not the elapsed time.

How It Compares

Side-by-side with the boats most often cross-shopped against the Tartan 27.

Tartan 27 Catalina 27 Cs 27 Irwin 27 Newport 27 1 Pearson 27
Dimensions
LOA 27.0 26.9 27.0 27.1 27.0 26.9
LWL 21.4 23.0 23.9 20.5 21.5 22.5
Beam 8.6 9.2 9.3 8.7 9.2 9.2
Displacement 7 6 6 6 6 5
Ballast 2 2 2 2 2
Sail Area 323 453 356 345 332
Performance
PHRF 234 207 204 225 204
SA/Disp 14.3 21.8 16.2 16.8 16.5
Bal/Disp 32.4 39.4 39.3 41.7
Comfort 25.0 19.4 25.6 20.9 19.7
Capsize 1.86 2.05 1.85 2.02 2.04
Hull Speed 6.3 6.6 6.1 6.2 6.4