PETERSON 25 1/4 TON

PETERSON 25 1/4 TON

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 25.00 ft / 7.62 m
LWL: 20.25 ft / 6.17 m
S.A. (reported): 262.00 ft² / 24.34 m²
Beam: 8.00 ft / 2.44 m
Displacement: 4,700.00 lb / 2,132 kg
Ballast: 1,900.00 lb / 862 kg
Max Draft: 4.50 ft / 1.37 m
Construction: strip planked mahog.w/glass
Ballast Type: Lead
First Built: 1973
# Built: 4
Builder: Eichenlaub Boat Co. (USA)
Designer: Doug Peterson

Sailboat Calculations

Definitions
S.A. / Displ.: 14.98
Bal. / Displ.: 40.43
Disp: / Len: 252.68
Comfort Ratio: 20.99
Capsize Screening Formula: 1.91
S#: 2.00
Hull Speed: 6.03 kn
Pounds/Inch Immersion: 578.84 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 31.70 ft / 9.66 m
J: 10.30 ft / 3.14 m
P: 28.30 ft / 8.63 m
E: 7.50 ft / 2.29 m
S.A. Fore: 163.26 ft² / 15.17 m²
S.A. Main: 106.13 ft² / 9.86 m²
S.A. Total (100% Fore + Main Triangles): 269.39 ft² / 25.03 m²
S.A./Displ. (calc.): 15.41
Est. Forestay Length: 33.33 ft / 10.16 m

Sailboat Links

Designers: Doug Peterson
Builders: Eichenlaub Boat Co.
Associations: Quarter Ton Class
Download Boat Record:

Notes

The first of the Doug Peterson designed 1/4 tonners were built by Carl Eichenlaub at a mid-west factory. The first was 'El Principio',
The MG 26 (sold in Europe) is also thought to be from this same design.

Other 1/4 ton designs from Peterson; A very imprecise time line:

1975: Similar and from same molds by Posiedon Marine, some of which were sold as kits.
Also built by Chita Inc. of Japan, Chaser in Canada.. Ended up in possession of Bayliner, (US 25).

1976: New design, 'Star Eyed Stella' (4th, Int. 1/4 ton cup of 1976.). (Peterson design #39)

1978: Daggerboard version. SEAWAY 25 (Stephenson Marine in Australia.)

1978: New design for Chita Inc.
1980 ?: Design for Navimor of Poland (CONRAD 560)