420 vs Dragonfly One-Design
Compare up to 4 boats side by side.
On the numbers
Next to the 420, the Dragonfly One-Design is 0.1 m longer and 2% heavier. The Dragonfly One-Design has the higher D/L (46, ultralight), the 420 the lower (43, ultralight). The Dragonfly One-Design has the higher Comfort ratio (3.1, lightweight racing), the 420 the lower (2.7, lightweight racing). The 420 has the higher Capsize screening (3.59, above the guideline), the Dragonfly One-Design the lower (3.29, above the guideline).
420
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Dragonfly One-Design
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|---|---|---|
| General | ||
| Builder | Various (amateur or kit built) | Nunn Brothers |
| Designer | Christian Maury | George O'Brien Kennedy |
| Hull type | Centerboard Dinghy | Centerboard Dinghy |
| Rigging | Fractional Sloop | Fractional Sloop |
| Construction | FG | Wood (Clinker) |
| First built | 1959 | 1946 |
| Number built | 56,000 ▲ | 63 ▼ |
| Dimensions | ||
| Length overall | 4.20 m ▼ | 4.27 m ▲ |
| Waterline length | 4.01 m ▲ | 3.96 m ▼ |
| Beam | 1.65 m ▲ | 1.52 m ▼ |
| Draft (max) | 0.97 m ▼ | 1.37 m ▲ |
| Draft (min) | 0.15 m ▼ | 0.20 m ▲ |
| Weight & ballast | ||
| Displacement | 100 kg ▼ | 102 kg ▲ |
| Ratios | ||
| D/L | 43 ▼ ultralight | 46 ▲ ultralight |
| Comfort ratio | 2.7 ▼ lightweight racing | 3.1 ▲ lightweight racing |
| Capsize screening | 3.59 ▲ above the guideline | 3.29 ▼ above the guideline |
| Hull speed | 4.86 kn ▲ | 4.83 kn ▼ |
▲ highest and ▼ lowest value in each row. Ratio bands as on the yacht pages; – means the value is not in the catalogue.