| Hallberg-Rassy Monsun 31 | |
| Rig Type: | Bermuda rig |
| Rudder Type: | Keel hung |
| Ballast: | 4200lb |
| Keel Type: | Full keel |
| Engine: | Volvo Penta MD11 C, 230NaN0 diesel engine |
| Sailplan: | Masthead sloop |
| Lwl: | 24.67feet |
| Sailarea Total: | 39m2 |
| Sailarea Main: | 190NaN0 |
| Sailarea Spin: | 710NaN0 |
| Sailarea Headsail: | 120NaN0 to 310NaN0 |
| Beam: | 9.42feet |
| Designer: | Olle Enderlein |
| Location: | Sweden |
| Loa: | 30.75feet |
| Construction: | Fiberglass |
| Hull Type: | Monohull |
| Displacement: | 9250lb |
| Draft: | 4.58feet |
| Year: | 1974 - 1982 |
| Role: | daysailing / cruising |
| Builder: | Hallberg-Rassy |
| Brand: | Hallberg-Rassy |
| No Built: | 904 |
| Successor: | Hallberg-Rassy 31 |
The Hallberg-Rassy Monsun 31 is a Swedish sailboat designed by Olle Enderlein in GRP and built between 1974 and 1982. The yacht is known for its traditional long keel, high build quality and sleek lines as a blue water cruiser. It is the best selling Hallberg-Rassy sailing boat to date with 904 hulls built.[1] [2] [3]
The Monsun is a Bermudan rigged masthead sloop with an aft cockpit and a mahogany interior. The design was based on Hallberg-Rassy's larger sister model, Rasmus 35, and was one of the first models to use Hallberg-Rassy's signature windscreen, which was innovative at the time. It has an encapsulated fuel tank inside the keel under the engine and was delivered with a 23 hp inboard diesel engine.
Kurt Björklund did three and a half circumnavigations of the planet on his Monsun, 'Golden Lady', before retiring it in the Råå museum in Scania, Sweden.[4]