Hull Speed
The theoretical displacement-mode speed limit — determined by waterline length, not engine or sail power.
7.0 kts
A displacement hull pushes a bow wave whose speed is limited by the waterline length.
With a waterline of 27.5′, the Walloon tops out around 7.0 knots in displacement mode — after that, the bow wave outruns the hull and resistance climbs steeply.
1.34 × √27.5′ LWL = 7.0 kts
Performance Ratios
Racing handicap, sail-carrying power, stability and comfort — and what each one actually tells you about a day on the water.
Displacement / Length
558
Heavy displacement — a slow, steady, seakindly hull.
Hull Speed
7.0kts
Pounds/Inch Immersion
6lbs
Weight needed to sink the hull one inch — loading sensitivity.
PHRF Fleet Position
Where the Walloon sits on the PHRF handicap spectrum — lower numbers mean faster boats.
Fast Passage 39
Passport 40
Columbia 40
How It Compares
Side-by-side with the boats most often cross-shopped against the Walloon.
| Walloon | Columbia 40 | Fast Passage 39 | Islander 40 | Nauticat 40 | Passport 40 | |
|---|---|---|---|---|---|---|
| Dimensions | ||||||
| LOA | 39.5 | 39.5 | 39.5 | 39.5 | 39.4 | 39.4 |
| LWL | 27.5 | 27.8 | 33.5 | 30.8 | 32.8 | 33.4 |
| Beam | 10.8 | 10.5 | 11.8 | 11.8 | 13.1 | 12.7 |
| Displacement | 26 | 18 | 21 | 17 | 30 | 22 |
| Ballast | — | 8 | 7 | 7 | 8 | 8 |
| Sail Area | — | 674 | 799 | 734 | 948 | 762 |
| Performance | ||||||
| PHRF | — | 174 | 132 | — | — | 141 |
| SA/Disp | — | 15.3 | 16.9 | 17.8 | 15.5 | 15.2 |
| Bal/Disp | — | — | 35.7 | — | — | 37.3 |
| Comfort | — | 40.8 | 34.2 | 29.3 | 44.5 | 34.0 |
| Capsize | — | 1.58 | 1.72 | 1.84 | 1.68 | 1.79 |
| Hull Speed | — | 7.1 | 7.8 | 7.4 | 7.7 | 7.8 |