The Lapworth 40 is a 40.0ft masthead sloop designed by C. William Lapworth and built in fiberglass since 1960.
The Lapworth 40 is a heavy sailboat which is slightly under powered. It is very stable / stiff and has an excellent righting capability if capsized. It is best suited as a bluewater cruising boat.
Main features
| Model | Lapworth 40 | ||
| Length | 40 ft | ||
| Beam | 11 ft | ||
| Draft | 5.50 ft | ||
| Country | ?? | ||
| Estimated price | $ 0 | ?? |
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Ratios
| Sail area / displ. | 15.76 | ||
| Ballast / displ. | 43.33 % | ||
| Displ. / length | 361.99 | ||
| Comfort ratio | 35.71 | ||
| Capsize | 1.69 |
Hull
| Hull type | Monohull fin keel | ||
| Construction | Fiberglass | ||
| Waterline length | 28 ft | ||
| Maximum draft | 5.50 ft | ||
| Displacement | 17800 lbs | ||
| Ballast | 7800 lbs | ||
| Hull speed | 7.09 knots |
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Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 669 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 352.63 sq.ft | ||
| Sail area main | 315.90 sq.ft | ||
| I | 45.50 ft | ||
| J | 15.50 ft | ||
| P | 39 ft | ||
| E | 16.20 ft |
Engine
| Nb engines | 1 | ||
| Total power | 37 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 | ?? | ||
| Designer | C. William Lapworth | ||
| First built | 1960 | ||
| Last built | 0 | ?? | |
| Number built | 0 | ?? |
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