The Cal 34 is a 33.24ft masthead sloop designed by C. William Lapworth and built in fiberglass by Jensen Marine/Cal Boats between 1968 and 1975.
347 units have been built.
The Cal 34 is a moderate weight sailboat which is a reasonably good performer. It is stable / stiff and has a good righting capability if capsized. It is best suited as a coastal cruiser. The fuel capacity is originally small. There is a very short water supply range.
Main features
| Model | Cal 34 | ||
| Length | 33.24 ft | ||
| Beam | 10 ft | ||
| Draft | 5 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? | 
Ratios
| Sail area / displ. | 17.99 | ||
| Ballast / displ. | 39.47 % | ||
| Displ. / length | 241.30 | ||
| Comfort ratio | 24.27 | ||
| Capsize | 1.89 | 
Hull
| Hull type | Monohull fin keel with spade rudder | ||
| Construction | Fiberglass | ||
| Waterline length | 26 ft | ||
| Maximum draft | 5 ft | ||
| Displacement | 9500 lbs | ||
| Ballast | 3750 lbs | ||
| Hull speed | 6.83 knots | 
Rigging
| Rigging | Masthead Sloop | ||
| Sail area (100%) | 503 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 268.13 sq.ft | ||
| Sail area main | 234.50 sq.ft | ||
| I | 39 ft | ||
| J | 13.75 ft | ||
| P | 33.50 ft | ||
| E | 14 ft | 
Engine
| Nb engines | 1 | ||
| Total power | 30 HP | ||
| Fuel capacity | 25 gals | 
Accommodations
| Water capacity | 23 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 | 
Builder data
| Builder | Jensen Marine/Cal Boats | ||
| Designer | C. William Lapworth | ||
| First built | 1968 | ||
| Last built | 1975 | ||
| Number built | 347 | 
 
                         
                                                     
                                     
                                         
                                         
                                         
                                         
                                         
                                        