SEIDELMANN 30

SEIDELMANN 30

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Centerboard (Trunk)
Rigging Type: Masthead Sloop
LOA: 29.83 ft / 9.09 m
LWL: 25.00 ft / 7.62 m
S.A. (reported): 470.00 ft² / 43.66 m²
Beam: 12.00 ft / 3.66 m
Displacement: 9,400.00 lb / 4,264 kg
Ballast: 4,500.00 lb / 2,041 kg
Max Draft: 6.83 ft / 2.08 m
Min Draft: 3.50 ft / 1.07 m
Construction: FG
First Built: 1977
Builder: Dickerson/Seidelmann
Designer: Bob Seidelmann

Sailboat Calculations

Definitions
S.A. / Displ.: 16.94
Bal. / Displ.: 47.87
Disp: / Len: 268.57
Comfort Ratio: 20.07
Capsize Screening Formula: 2.28
S#: 2.02
Hull Speed: 6.70 kn
Pounds/Inch Immersion: 1,071.93 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 41.42 ft / 12.62 m
J: 13.50 ft / 4.11 m
P: 36.00 ft / 10.97 m
E: 11.00 ft / 3.35 m
S.A. Fore: 279.59 ft² / 25.97 m²
S.A. Main: 198.00 ft² / 18.39 m²
S.A. Total (100% Fore + Main Triangles): 477.59 ft² / 44.37 m²
S.A./Displ. (calc.): 17.21
Est. Forestay Length: 43.56 ft / 13.28 m

Sailboat Links

Designers: J. Robert Seidelmann
Builders: Dickerson Boatbuilders (USA)
Seidelmann Yachts
Related Sailboats: SEIDELMANN 30-T
Download Boat Record:

Notes

Designed as a maxi MORC boat with a centerboard, several owners later removed the board and installed a fixed keel.

Thanks to Stott Carleton, who designed the interior and owned hull #1, for corrections and the drawing.