490 vs 505
Compare up to 4 boats side by side.
On the numbers
Next to the 490, the 505 is 0.1 m longer and of similar displacement. The 490 has the higher D/L (39, ultralight), the 505 the lower (37, ultralight). The 490 has the higher Comfort ratio (2.8, lightweight racing), the 505 the lower (2.5, lightweight racing). The 505 has the higher Capsize screening (3.78, above the guideline), the 490 the lower (3.49, above the guideline).
490
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505
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|---|---|---|
| General | ||
| Builder | Various (amateur or kit built) | Various (amateur or kit built) |
| Designer | Christian Maury | John Westell/Austin Farrar |
| Hull type | Centerboard Dinghy | Centerboard Dinghy |
| Rigging | Fractional Sloop | Fractional Sloop |
| Construction | FG/Wood | Wood/FG |
| First built | 1968 | 1954 |
| Number built | – | 9,100 |
| Dimensions | ||
| Length overall | 4.90 m ▼ | 5.03 m ▲ |
| Waterline length | 4.48 m ▼ | 4.57 m ▲ |
| Beam | 1.74 m ▼ | 1.88 m ▲ |
| Draft (max) | 1.16 m ▼ | 1.42 m ▲ |
| Draft (min) | – | 0.15 m |
| Weight & ballast | ||
| Displacement | 127 kg | 127 kg |
| Ratios | ||
| D/L | 39 ▲ ultralight | 37 ▼ ultralight |
| Comfort ratio | 2.8 ▲ lightweight racing | 2.5 ▼ lightweight racing |
| Capsize screening | 3.49 ▼ above the guideline | 3.78 ▲ above the guideline |
| Hull speed | 5.14 kn ▼ | 5.19 kn ▲ |
▲ highest and ▼ lowest value in each row. Ratio bands as on the yacht pages; – means the value is not in the catalogue.