Idylle 1550 (Beneteau) vs Stem 50
Compare up to 4 boats side by side.
On the numbers
Next to the Idylle 1550 (Beneteau), the Stem 50 is 0.4 m longer and of similar displacement. The Idylle 1550 (Beneteau) has the higher D/L (271, moderate), the Stem 50 the lower (142, light). The Idylle 1550 (Beneteau) has the higher Comfort ratio (34.1, moderate ocean), the Stem 50 the lower (29.8, coastal cruiser). They have the same Capsize screening (1.83).
Idylle 1550 (Beneteau)
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Stem 50
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|---|---|---|
| General | ||
| Builder | Beneteau | Stem Marine |
| Designer | German Frers | Nicolas Purnu |
| Hull type | Fin w/spade rudder | Monohull |
| Keel type | – | Fin keel with bulb |
| Rigging | Cutter | – |
| Construction | FG | – |
| First built | 1985 | – |
| Last built | 1987 | – |
| Dimensions | ||
| Length overall | 15.68 m ▼ | 16.06 m ▲ |
| Length on deck | – | 15.00 m |
| Waterline length | 11.56 m ▼ | 14.34 m ▲ |
| Beam | 4.47 m ▲ | 4.42 m ▼ |
| Draft (max) | 1.83 m ▼ | 2.40 m ▲ |
| Headroom | 2.00 m | – |
| Weight & ballast | ||
| Displacement | 15,000 kg | 15,000 kg |
| Ballast | 5,900 kg | – |
| Sail plan | ||
| Sail area | 97.94 m² ▼ | 140.50 m² ▲ |
| Mainsail | 42.13 m² ▼ | 67.60 m² ▲ |
| Foresail | 55.81 m² ▼ | 72.90 m² ▲ |
| Engine & tanks | ||
| Engine make | Perkins | – |
| Engine power | 85 HP ▲ | 80 HP ▼ |
| Fuel | 500 L ▲ | 350 L ▼ |
| Water | 757 L ▲ | 620 L ▼ |
| Ratios | ||
| SA/D | 16.4 moderate | – |
| D/L | 271 ▲ moderate | 142 ▼ light |
| Ballast/Disp | 39.3% moderate | – |
| Comfort ratio | 34.1 ▲ moderate ocean | 29.8 ▼ coastal cruiser |
| Capsize screening | 1.83 ▲ meets the common offshore guideline | 1.81 ▼ meets the common offshore guideline |
| S-number | 1.9 | – |
| Hull speed | 8.25 kn ▼ | 9.19 kn ▲ |
▲ highest and ▼ lowest value in each row. Ratio bands as on the yacht pages; – means the value is not in the catalogue.