Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Cbrd w/outboard rudder
Rigging Type: Masthead Sloop
LOA: 16.75 ft / 5.11 m
LWL: 15.00 ft / 4.57 m
S.A. (reported): 160.00 ft² / 14.86 m²
Beam: 6.00 ft / 1.83 m
Displacement: 725.00 lb / 329 kg
Ballast: 200.00 lb / 91 kg
Max Draft: 4.25 ft / 1.30 m
Min Draft: 0.67 ft / 0.20 m
Construction: FG
First Built: 1970
# Built: 740
Builder: Universal Plastic Prod./Silverline Boats (USA)
Designer: Glen & Murray Corcoran

Sailboat Calculations

Definitions
S.A. / Displ.: 31.77
Bal. / Displ.: 27.59
Disp: / Len: 95.90
Comfort Ratio: 6.63
Capsize Screening Formula: 2.67
S#: 5.61
Hull Speed: 5.19 kn
Pounds/Inch Immersion: 321.58 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 21.67 ft / 6.61 m
J: 5.50 ft / 1.68 m
P: 19.16 ft / 5.84 m
E: 7.00 ft / 2.13 m
S.A. Fore: 59.59 ft² / 5.54 m²
S.A. Main: 67.06 ft² / 6.23 m²
S.A. Total (100% Fore + Main Triangles): 126.65 ft² / 11.77 m²
S.A./Displ. (calc.): 25.15
Est. Forestay Length: 22.36 ft / 6.82 m

Sailboat Links

Designers: Glenn & Murray Corcoran
Builders: Silverline Boats (USA)
Download Boat Record:

Notes

A cuddy cabin version, the DOLPHIN 17C, was also available.
Photo from manufacturers brochure.
Drawing from Bill Dakin, owner of a 1972 Dolphin 17.
First built by Universal Plastic Products, Houston. TX. which moved operations to Coffeyville KS, then Silverline.