Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 36.09 ft / 11.00 m
LWL: 28.54 ft / 8.70 m
S.A. (reported): 850.00 ft² / 78.97 m²
Beam: 11.61 ft / 3.54 m
Displacement: 20,393.00 lb / 9,250 kg
Ballast: 7,275.00 lb / 3,300 kg
Max Draft: 6.23 ft / 1.90 m
Construction: Steel Alum. or Wood
Ballast Type: Lead
First Built: 1976
Designer: E. G. van de Stadt

Auxiliary Power/Tanks (orig. equip.)

Type: Diesel
HP: 25
Fuel: 79 gals / 300 L

Accomodations

Water: 122 gals / 460 L
Headroom: 5.00 ft / 1.52 m

Sailboat Calculations

Definitions
S.A. / Displ.: 18.29
Bal. / Displ.: 35.67
Disp: / Len: 391.63
Comfort Ratio: 39.06
Capsize Screening Formula: 1.70
S#: 0.98
Hull Speed: 7.16 kn
Pounds/Inch Immersion: 1,183.95 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 47.58 ft / 14.50 m
J: 15.42 ft / 4.70 m
P: 42.33 ft / 12.90 m
E: 12.30 ft / 3.75 m
S.A. Fore: 366.84 ft² / 34.08 m²
S.A. Main: 260.33 ft² / 24.19 m²
S.A. Total (100% Fore + Main Triangles): 627.17 ft² / 58.27 m²
S.A./Displ. (calc.): 13.50
Est. Forestay Length: 50.02 ft / 15.25 m
Mast Height from DWL: 52.17 ft / 15.90 m

Sailboat Links

Designers: E. G. Van de Stadt
Download Boat Record:

Notes

Van de Stadt design #260
Sloop, ketch or cutter rig.
Shallow draft: 1.5m / 4.92 ft.
Headroom = under optional doghouse.
Displacement and ballast above is with a steel hull.
For wood hulls: Displacement - 8,250 kg / 18,819 lbs.; ballast (iron) - 3,600 kg / 7,937 lbs.
SA for ketch rig: 82.1sqm / 883.7 sqft as follows: main - 22.8 sqm; 150% genoa - 46.2 sqm; mizzen - 13.1 sqm
Thanks to Seal 36 owner Eero Kareoja for additional information.