The Controversy 31 is a 31.0ft masthead sloop designed by E. F. Butler and built in wood by Mount Desert Yacht Yard since 1960.
The Controversy 31 is a light sailboat which is a reasonably good performer. It is not stiff and has an excellent righting capability if capsized. It is best suited as a heavy bluewater cruising boat.
Main features
| Model | Controversy 31 | ||
| Length | 31 ft | ||
| Beam | 5.42 ft | ||
| Draft | 5.25 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? |
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Ratios
| Sail area / displ. | 17.76 | ||
| Ballast / displ. | 0 % | ||
| Displ. / length | 164.73 | ||
| Comfort ratio | 40.67 | ||
| Capsize | 1.14 |
Hull
| Hull type | Monohull fin keel | ||
| Construction | Wood | ||
| Waterline length | 26.67 ft | ||
| Maximum draft | 5.25 ft | ||
| Displacement | 7000 lbs | ||
| Ballast | 0 lbs | ||
| Hull speed | 6.92 knots |
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Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 405 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 186.78 sq.ft | ||
| Sail area main | 217.91 sq.ft | ||
| I | 34.75 ft | ||
| J | 10.75 ft | ||
| P | 31.13 ft | ||
| E | 14 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 | Mount Desert Yacht Yard | ||
| Designer | E. F. Butler | ||
| First built | 1960 | ||
| Last built | 0 | ?? | |
| Number built | 0 | ?? |
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