The Frers 45 is well-powered with enough sail area to move in light air, with acceptable motion comfort for coastal passages, and competitive on the racecourse.
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 35.0′, the Frers 45 tops out around 7.9 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √35.0′ LWL = 7.9 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
35s/nm
Performance racer — quick around the cans and offshore.
SA / Displacement
20.3
Powerful cruiser/racer — quick in light air, reef early when it pipes up.
Ballast / Displacement
48.6%
Race-oriented ballast ratio — very stiff and powerful.
Displacement / Length
206
Moderate — a good balance of speed and load-carrying ability.
Comfort Ratio
24.1
Acceptable coastal comfort — fine for weekends, notice the chop offshore.
Capsize Screening
2.06
Above the 2.0 offshore threshold — best suited for coastal and protected waters.
Pounds/Inch Immersion
10lbs
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
24.1
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
2.06
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 Frers 45 sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Racer 0–90
Cruiser/Racer 90–150
Cruiser 150–210
Frers 45
35s/nm
Performance racer — quick around the cans and offshore.
New Zealand 45
63s/nm
Hunter 45 Legend
83s/nm
Tartan 4400
96s/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° |
3.4 |
4.4 |
4.9 |
5.1 |
| Close Reach60° |
4.2 |
5.3 |
5.9 |
6.1 |
| Beam Reach90° |
5.1 |
6.5 |
7.2 |
7.5 |
| Broad Reach120–135° |
4.7 |
6.0 |
6.7 |
7.0 |
| Run150–180° |
3.8 |
4.8 |
5.3 |
5.6 |
These are simplified estimates based on hull speed (7.9 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 Frers 45 — 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 Frers 45.
|
Frers 45 |
Caliber 45 |
Hunter 45 Legend |
Imx 45 |
New Zealand 45 |
Tartan 4400 |
| Dimensions |
| LOA |
45.0 |
45.0 |
45.0 |
— |
45.0 |
45.0 |
| LWL |
35.0 |
35.8 |
38.6 |
39.3 |
36.5 |
37.5 |
| Beam |
13.9 |
13.3 |
14.3 |
13.6 |
13.8 |
14.1 |
| Displacement |
19 |
29 |
23 |
20 |
22 |
24 |
| Ballast |
9 |
12 |
9 |
9 |
10 |
9 |
| Sail Area |
921 |
940 |
900 |
1 |
— |
— |
| Performance |
| PHRF |
35 |
— |
83 |
— |
63 |
96 |
| SA/Disp |
20.3 |
16.0 |
17.8 |
30.1 |
— |
— |
| Bal/Disp |
48.6 |
41.4 |
40.0 |
45.4 |
47.8 |
37.5 |
| Comfort |
24.1 |
36.9 |
25.3 |
— |
— |
— |
| Capsize |
2.06 |
1.74 |
2.01 |
2.01 |
— |
— |
| Hull Speed |
7.9 |
8.0 |
8.3 |
8.4 |
— |
— |