The Cal 24 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.
A displacement hull pushes a bow wave whose speed is limited by the waterline length.
With a waterline of 20.1′, the Cal 24 tops out around 6.0 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √20.1′ LWL = 6.0 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
237s/nm
Heavy or slow cruiser — all about the journey, not the elapsed time.
SA / Displacement
20.1
Powerful cruiser/racer — quick in light air, reef early when it pipes up.
Ballast / Displacement
33.3%
Typical cruising ballast — balanced stability and motion underway.
Displacement / Length
166
Moderate — a good balance of speed and load-carrying ability.
Comfort Ratio
13.6
Quick, snappy motion — better for day sails and racing than long passages.
Capsize Screening
2.22
Above the 2.0 offshore threshold — best suited for coastal and protected waters.
Pounds/Inch Immersion
573lbs
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
13.6
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
2.22
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 Cal 24 sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Cruiser 150–210
Heavy Cruiser 210–300
Cal 24
237s/nm
Heavy or slow cruiser — all about the journey, not the elapsed time.
Columbia 24
258s/nm
Greenwich 24
261s/nm
Snapdragon 24
264s/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° |
2.6 |
3.3 |
3.7 |
3.8 |
| Close Reach60° |
3.1 |
4.0 |
4.4 |
4.6 |
| Beam Reach90° |
3.9 |
4.9 |
5.5 |
5.9 |
| Broad Reach120–135° |
3.6 |
4.5 |
5.0 |
5.5 |
| Run150–180° |
2.9 |
3.6 |
4.0 |
4.2 |
These are simplified estimates based on hull speed (6.0 kts),
SA/D (20.1), 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 Cal 24 — 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 Cal 24.
|
Cal 24 |
Bristol 24 |
Columbia 24 |
Greenwich 24 |
Nutmeg 24 |
Snapdragon 24 |
| Dimensions |
| LOA |
24.4 |
24.6 |
24.3 |
24.3 |
24.5 |
24.5 |
| LWL |
20.1 |
18.1 |
18.0 |
17.4 |
18.5 |
20.5 |
| Beam |
8.0 |
8.0 |
8.0 |
7.3 |
7.6 |
8.0 |
| Displacement |
3 |
5 |
4 |
3 |
3 |
3 |
| Ballast |
1 |
3 |
1 |
1 |
1 |
1 |
| Sail Area |
261 |
296 |
285 |
— |
— |
247 |
| Performance |
| PHRF |
237 |
— |
258 |
261 |
— |
264 |
| SA/Disp |
20.1 |
14.5 |
18.0 |
— |
— |
16.1 |
| Bal/Disp |
33.3 |
— |
— |
39.2 |
38.8 |
40.3 |
| Comfort |
13.6 |
28.6 |
19.7 |
— |
— |
17.2 |
| Capsize |
2.22 |
1.77 |
2.01 |
— |
— |
2.04 |
| Hull Speed |
6.0 |
5.7 |
5.7 |
— |
— |
6.1 |