The Sea wych is a 19.0ft masthead sloop designed by John V Sadler and built in fiberglass between 1970 and 1981.
700 units have been built.
The Sea wych is a moderate weight 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. There is a very short water supply range.
Main features
| Model | Sea wych | ||
| Length | 19 ft | ||
| Beam | 7.02 ft | ||
| Draft | 2.36 ft | ||
| Country | ?? | ||
| Estimated price | $ 0 | ?? | 
Ratios
| Sail area / displ. | 13.46 | ||
| Ballast / displ. | 37.85 % | ||
| Displ. / length | 239.32 | ||
| Comfort ratio | 13.40 | ||
| Capsize | 2.27 | 
Hull
| Hull type | Monohull twin Keel | ||
| Construction | Fiberglass | ||
| Waterline length | 15.26 ft | ||
| Maximum draft | 2.36 ft | ||
| Displacement | 1905 lbs | ||
| Ballast | 721 lbs | ||
| Hull speed | 5.23 knots | 
Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 129 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 | 13 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 | 
Builder data
| Builder | ?? | ||
| Designer | John V Sadler | ||
| First built | 1970 | ||
| Last built | 1981 | ||
| Number built | 700 | 
 
                                                     
                                         
                                         
                                         
                                         
                                         
                                        