The Westphal one design is a 28.33ft fractional sloop designed by David Westphal and built in fiberglass between 1967 and 1969.
26 units have been built.
The Westphal one design is a light sailboat which is a high performer. It is very stable / stiff and has an excellent righting capability if capsized. It is best suited as a racing boat.
Main features
| Model | Westphal one design | ||
| Length | 28.33 ft | ||
| Beam | 6.42 ft | ||
| Draft | 3.92 ft | ||
| Country | ?? | ||
| Estimated price | $ 0 | ?? | 
Ratios
| Sail area / displ. | 20.15 | ||
| Ballast / displ. | 70.59 % | ||
| Displ. / length | 163.90 | ||
| Comfort ratio | 19.01 | ||
| Capsize | 1.71 | 
Hull
| Hull type | Monohull fin keel | ||
| Construction | Fiberglass | ||
| Waterline length | 21 ft | ||
| Maximum draft | 3.92 ft | ||
| Displacement | 3400 lbs | ||
| Ballast | 2400 lbs | ||
| Hull speed | 6.14 knots | 
Rigging
| Rigging | Fractional Sloop | ||
| Sail area (100%) | 284 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 | ?? | ||
| Designer | David Westphal | ||
| First built | 1967 | ||
| Last built | 1969 | ||
| Number built | 26 | 
 
                         
                                                     
                                         
                                         
                                         
                                         
                                         
                                        