The Spacesailer 20 is a 20.0ft masthead sloop designed by Kim Swarbrick and built in fiberglass by Swarbrick & Swarbrick since 1981.
The Spacesailer 20 is a light sailboat which is under powered. It is stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.
Main features
| Model | Spacesailer 20 | ||
| Length | 20 ft | ||
| Beam | 7.83 ft | ||
| Draft | 3.50 ft | ||
| Country | Australia | ||
| Estimated price | $ 0 | ?? | 
Ratios
| Sail area / displ. | 0 | ?? | |
| Ballast / displ. | 36.84 % | ||
| Displ. / length | 145.44 | ||
| Comfort ratio | 10.18 | ||
| Capsize | 2.53 | 
Hull
| Hull type | Monohull fin keel with transom hung rudder | ||
| Construction | Fiberglass | ||
| Waterline length | 18 ft | ||
| Maximum draft | 3.50 ft | ||
| Displacement | 1900 lbs | ||
| Ballast | 700 lbs | ||
| Hull speed | 5.69 knots | 
Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 0 sq.ft | ?? | |
| Air draft | 0 ft | ?? | |
| Sail area fore | 0 sq.ft | ?? | |
| Sail area main | 0 sq.ft | ?? | |
| I | 0 ft | ?? | |
| J | 0 ft | ?? | |
| P | 0 ft | ?? | |
| E | 0 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 | Swarbrick & Swarbrick | ||
| Designer | Kim Swarbrick | ||
| First built | 1981 | ||
| Last built | 0 | ?? | |
| Number built | 0 | ?? | 
 
                         
                                                     
                                         
                                         
                                         
                                         
                                         
                                        