The National 10 Turnabout is aggressively canvassed for its weight.
Performance Ratios
Racing handicap, sail-carrying power, stability and comfort — and what each one actually tells you about a day on the water.
SA / Displacement
24.3
Performance-oriented — carries a lot of canvas for its weight.
Capsize Screening
3.31
Above the 2.0 offshore threshold — best suited for coastal and protected waters.
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.
Capsize Screening Formula
3.31
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
Wind Range & Comfort Envelope
Estimated wind ranges for comfortable sailing on the National 10 Turnabout — based on sail area, ballast, and displacement characteristics.
Ghosting
0–5 kts
Light air, motor-sailing likely. Need patience and a light genoa.
Sweet Spot
5–16 kts
Comfortable under full sail. Best speed-to-comfort ratio.
Time to Reef
16–24 kts
Time to shorten sail. Reef the main, swap to a working jib.
Heavy Weather
24+ 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 National 10 Turnabout.
| National 10 Turnabout | Beverly Dinghy | Duckling | Dyer Dink | Interclub Usa | Penguin | |
|---|---|---|---|---|---|---|
| Dimensions | ||||||
| LOA | 9.7 | 11.5 | 9.0 | 10.0 | 11.5 | 11.4 |
| LWL | — | — | — | — | 11.5 | — |
| Beam | 5.3 | 4.5 | 4.0 | 4.5 | 4.6 | 4.7 |
| Displacement | 255 | 207 | 140 | 135 | 150 | 140 |
| Sail Area | 61 | 66 | 50 | 66 | 72 | — |
| Performance | ||||||
| SA/Disp | 24.3 | 30.2 | 29.7 | 40.2 | 40.8 | — |
| Comfort | — | 4.2 | 4.2 | 3.1 | 2.7 | 2.7 |
| Capsize | 3.31 | 3.04 | 3.08 | 3.53 | 3.45 | — |
| Hull Speed | — | 4.2 | 3.7 | 3.9 | 4.5 | 4.2 |