The Ansa 42 is well-powered with enough sail area to move in light air, with acceptable motion comfort for coastal passages, and respectable in club racing.
Hull Speed
The theoretical displacement-mode speed limit — determined by waterline length, not engine or sail power.
A displacement hull pushes a bow wave whose speed is limited by the waterline length.
With a waterline of 35.3′, the Ansa 42 tops out around 8.0 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √35.3′ LWL = 8.0 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
90s/nm
Cruiser/racer — competitive in club racing, comfortable cruising.
SA / Displacement
20.3
Powerful cruiser/racer — quick in light air, reef early when it pipes up.
Ballast / Displacement
51.2%
Race-oriented ballast ratio — very stiff and powerful.
Displacement / Length
131
Ultralight — responsive and fast, but carries less stores.
Comfort Ratio
24.7
Acceptable coastal comfort — fine for weekends, notice the chop offshore.
Capsize Screening
1.72
Below the 2.0 offshore threshold — acceptable for ocean passages.
Pounds/Inch Immersion
1lbs
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
24.7
Acceptable coastal comfort — fine for weekends, notice the chop offshore.
Under 20 — Snappy, racing motion
20–30 — Acceptable coastal
30–40 — Good offshore comfort
Over 40 — Very comfortable offshore
Capsize Screening Formula
1.72
Below the 2.0 offshore threshold — acceptable for ocean passages.
Under 2.0 — Acceptable for offshore
Over 2.0 — Coastal / protected waters
PHRF Fleet Position
Where the Ansa 42 sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Racer 0–90
Cruiser/Racer 90–150
Cruiser 150–210
Ansa 42
90s/nm
Cruiser/racer — competitive in club racing, comfortable cruising.
Sabre 42
96s/nm
Cooper 416
135s/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° |
3.5 |
4.4 |
4.9 |
5.1 |
| Close Reach60° |
4.2 |
5.3 |
5.9 |
6.2 |
| Beam Reach90° |
5.1 |
6.5 |
7.3 |
7.9 |
| Broad Reach120–135° |
4.8 |
6.0 |
6.7 |
7.3 |
| Run150–180° |
3.8 |
4.8 |
5.4 |
5.6 |
These are simplified estimates based on hull speed (8.0 kts),
SA/D (20.3), 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 Ansa 42 — based on sail area, ballast, and displacement characteristics.
Ghost
Sweet Spot
Reef
Heavy
0–6 kts
6–20 kts
20–30 kts
30+ kts
Ghosting
0–6 kts
Light air, motor-sailing likely. Need patience and a light genoa.
Sweet Spot
6–20 kts
Comfortable under full sail. Best speed-to-comfort ratio.
Time to Reef
20–30 kts
Time to shorten sail. Reef the main, swap to a working jib.
Heavy Weather
30+ 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 Ansa 42.
|
Ansa 42 |
Aphrodite 42 |
Cooper 416 |
J/41 |
Sabre 42 |
Us 42 |
| Dimensions |
| LOA |
41.6 |
41.7 |
41.5 |
41.3 |
41.8 |
41.5 |
| LWL |
35.3 |
33.8 |
32.5 |
34.5 |
34.0 |
32.5 |
| Beam |
10.1 |
12.1 |
14.0 |
13.1 |
12.7 |
14.0 |
| Displacement |
12 |
20 |
24 |
17 |
18 |
24 |
| Ballast |
6 |
8 |
10 |
7 |
7 |
10 |
| Sail Area |
696 |
979 |
723 |
792 |
755 |
— |
| Performance |
| PHRF |
90 |
— |
135 |
— |
96 |
— |
| SA/Disp |
20.3 |
20.7 |
14.0 |
17.8 |
17.2 |
— |
| Bal/Disp |
51.2 |
39.0 |
43.8 |
41.2 |
41.5 |
43.8 |
| Comfort |
24.7 |
32.2 |
31.4 |
31.9 |
27.2 |
— |
| Capsize |
1.72 |
1.77 |
1.95 |
1.60 |
1.91 |
— |
| Hull Speed |
8.0 |
7.8 |
7.6 |
9.4 |
7.8 |
— |