The Ericson 33 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 26.8′, the Ericson 33 tops out around 6.9 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √26.8′ LWL = 6.9 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
134s/nm
Cruiser/racer — competitive in club racing, comfortable cruising.
SA / Displacement
20.5
Powerful cruiser/racer — quick in light air, reef early when it pipes up.
Ballast / Displacement
41.6%
Stiff enough to carry a big genoa comfortably into moderate breeze.
Displacement / Length
220
Moderate — a good balance of speed and load-carrying ability.
Comfort Ratio
20.5
Acceptable coastal comfort — fine for weekends, notice the chop offshore.
Capsize Screening
2.11
Above the 2.0 offshore threshold — best suited for coastal and protected waters.
SA/Disp (Calculated)
19.9
Computed from measured I/J/P/E rather than reported sail area.
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
20.5
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
2.11
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 Ericson 33 sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Racer 0–90
Cruiser/Racer 90–150
Cruiser 150–210
Ericson 33
134s/nm
Cruiser/racer — competitive in club racing, comfortable cruising.
Mirage 33
150s/nm
Hunter 33
159s/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° |
3.0 |
3.8 |
4.3 |
4.5 |
| Close Reach60° |
3.7 |
4.6 |
5.2 |
5.4 |
| Beam Reach90° |
4.5 |
5.7 |
6.4 |
6.6 |
| Broad Reach120–135° |
4.2 |
5.3 |
5.9 |
6.1 |
| Run150–180° |
3.3 |
4.2 |
4.7 |
4.9 |
These are simplified estimates based on hull speed (6.9 kts),
SA/D (20.5), 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 Ericson 33 — 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 Ericson 33.
|
Ericson 33 |
Cc 34 |
Hunter 33 |
J33 |
Mirage 33 |
X 342 |
| Dimensions |
| LOA |
33.5 |
33.5 |
33.5 |
33.5 |
33.5 |
33.5 |
| LWL |
26.8 |
25.9 |
27.5 |
28.0 |
26.8 |
26.7 |
| Beam |
11.2 |
11.0 |
11.4 |
11.0 |
11.7 |
10.8 |
| Displacement |
9 |
10 |
11 |
8 |
9 |
9 |
| Ballast |
3 |
4 |
4 |
3 |
3 |
4 |
| Sail Area |
573 |
517 |
514 |
561 |
— |
— |
| Performance |
| PHRF |
134 |
— |
159 |
— |
150 |
— |
| SA/Disp |
20.5 |
17.8 |
16.1 |
22.3 |
— |
— |
| Bal/Disp |
41.6 |
40.6 |
40.0 |
— |
37.6 |
46.7 |
| Comfort |
20.5 |
22.7 |
25.9 |
17.3 |
— |
— |
| Capsize |
2.11 |
2.04 |
1.86 |
2.19 |
— |
— |
| Hull Speed |
6.9 |
6.8 |
7.0 |
7.1 |
— |
— |