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Performance

Fp 41 Performance

How the Fp 41 performs on the water — racing handicap, sail-carrying power, stability and comfort.

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The Fp 41 is well-powered with enough sail area to move in light air, with a quick, snappy motion best suited to day sailing.

Hull Speed

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

7.8 kts
A displacement hull pushes a bow wave whose speed is limited by the waterline length.

Performance Ratios

Racing handicap, sail-carrying power, stability and comfort — and what each one actually tells you about a day on the water.

SA / Displacement
18.8
Powerful cruiser/racer — quick in light air, reef early when it pipes up.
Displacement / Length
325
Moderate-heavy — carries provisions well, deliberate in light air.
Comfort Ratio
18.9
Quick, snappy motion — better for day sails and racing than long passages.
Capsize Screening
3.00
Above the 2.0 offshore threshold — best suited for coastal and protected waters.
Hull Speed
7.8kts
Pounds/Inch Immersion
16lbs
Weight needed to sink the hull one inch — loading sensitivity.

Motion & Offshore Suitability

Two ratios that matter most when you're planning passages — how the boat feels in a seaway, and whether the hull geometry is suitable for open ocean.

Comfort Ratio
18.9
Quick, snappy motion — better for day sails and racing than long passages.
Under 20 — Snappy, racing motion
20–30 — Acceptable coastal
30–40 — Good offshore comfort
Over 40 — Very comfortable offshore
Capsize Screening Formula
3.00
Above the 2.0 offshore threshold — best suited for coastal and protected waters.
Under 2.0 — Acceptable for offshore
Over 2.0 — Coastal / protected waters

PHRF Fleet Position

Where the Fp 41 sits on the PHRF handicap spectrum — lower numbers mean faster boats.

Racer 0–90
Cruiser/Racer 90–150
J/39 45s/nm

Estimated Speed by Wind

Rough boat speed estimates at different true wind speeds and points of sail — derived from hull speed, SA/D, and displacement, not measured polars.

Point of Sail 6 kts TWS 10 kts TWS 15 kts TWS 20 kts TWS
Close-hauled40–50° 3.3 4.1 4.6 4.8
Close Reach60° 3.9 5.0 5.6 5.8
Beam Reach90° 4.8 6.1 6.8 7.1
Broad Reach120–135° 4.5 5.6 6.3 6.6
Run150–180° 3.6 4.5 5.0 5.3
These are simplified estimates based on hull speed (7.8 kts), SA/D (18.8), and empirical efficiency curves — not instrument-measured polars. Real-world speed varies with sea state, bottom condition, sail trim, and current. Speeds in gold approach hull speed; bold gold means near or at hull speed.

Wind Range & Comfort Envelope

Estimated wind ranges for comfortable sailing on the Fp 41 — based on sail area, ballast, and displacement characteristics.

Ghost
Sweet Spot
Reef
Heavy
0–6 kts 6–18 kts 18–26 kts 26+ kts
Ghosting
0–6 kts
Light air, motor-sailing likely. Need patience and a light genoa.
Sweet Spot
6–18 kts
Comfortable under full sail. Best speed-to-comfort ratio.
Time to Reef
18–26 kts
Time to shorten sail. Reef the main, swap to a working jib.
Heavy Weather
26+ kts
Storm conditions. Storm jib or bare poles. Seek shelter if coastal.

How It Compares

Side-by-side with the boats most often cross-shopped against the Fp 41.

Fp 41 Hanse 400 2008 2014 Island Spirit 40 J/39 Norstar 40 X4
Dimensions
LOA 39.7 39.7 39.7 39.8 39.7 39.7
LWL — 35.4 38.0 33.5 32.5 34.1
Beam 22.7 13.3 22.1 13.0 12.4 12.5
Displacement 27 18 17 16 18 17
Ballast — 5 — 6 7 6
Sail Area 1,076 1 908 720 — 818
Performance
PHRF — — — 45 — —
SA/Disp 18.8 26.1 21.9 16.9 — 19.2
Bal/Disp — 32.0 — 39.4 39.4 —
Comfort 18.9 25.0 — 33.7 — 26.7
Capsize 3.00 2.01 — 1.61 — 1.92
Hull Speed 7.8 8.0 — 9.4 — 7.8