The Sonar is a 23.0ft fractional sloop designed by Bruce Kirby and built in fiberglass by Seidelmann Yachts since 1980.
860 units have been built.
The Sonar is a light sailboat which is a very high performer. It is very stable / stiff and has a low righting capability if capsized. It is best suited as a racing boat.
Main features
| Model | Sonar | ||
| Length | 23 ft | ||
| Beam | 7.83 ft | ||
| Draft | 3.92 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? |
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Ratios
| Sail area / displ. | 25.92 | ||
| Ballast / displ. | 44.29 % | ||
| Displ. / length | 118.61 | ||
| Comfort ratio | 10.04 | ||
| Capsize | 2.45 |
Hull
| Hull type | Monohull fin keel with spade rudder | ||
| Construction | Fiberglass | ||
| Waterline length | 19.92 ft | ||
| Maximum draft | 3.92 ft | ||
| Displacement | 2100 lbs | ||
| Ballast | 930 lbs | ||
| Hull speed | 5.98 knots |
We help you build your own hydraulic steering system - Lecomble & Schmitt
Rigging
| Rigging | Fractional Sloop | ||
| Sail area (100%) | 265 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 111.25 sq.ft | ||
| Sail area main | 154 sq.ft | ||
| I | 25 ft | ||
| J | 8.90 ft | ||
| P | 27.50 ft | ||
| E | 11.20 ft |
Engine
| Nb engines | 1 | ||
| Total power | 0 HP | ||
| Fuel capacity | 0 gals |
Accommodations
| Water capacity | 0 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 |
Builder data
| Builder | Seidelmann Yachts | ||
| Designer | Bruce Kirby | ||
| First built | 1980 | ||
| Last built | 0 | ?? | |
| Number built | 860 |
Other photos
Sonar for sale elsewhere on the web:
