Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Swing Keel
Rigging Type: Cutter
LOA: 21.00 ft / 6.40 m
LWL: 18.50 ft / 5.64 m
S.A. (reported): 175.00 ft² / 16.26 m²
Beam: 6.83 ft / 2.08 m
Displacement: 1,500.00 lb / 680 kg
Ballast: 400.00 lb / 181 kg
Max Draft: 5.50 ft / 1.68 m
Min Draft: 1.50 ft / 0.46 m
Construction: FG
Ballast Type: Lead
First Built: 1966
Last Built: 1979
Builder: MacGregor Yachts Corp.(USA)
Designer: Roger MacGregor

Auxiliary Power/Tanks (orig. equip.)

Type: Outboard
HP: 10

Accomodations

Water: 3 gals / 9 L
Headroom: 4.00 ft / 1.22 m

Sailboat Calculations

Definitions
S.A. / Displ.: 21.41
Bal. / Displ.: 26.67
Disp: / Len: 105.76
Comfort Ratio: 9.31
Capsize Screening Formula: 2.39
S#: 5.26
Hull Speed: 5.76 kn
Pounds/Inch Immersion: 451.48 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 24.08 ft / 7.34 m
J: 7.67 ft / 2.34 m
P: 21.83 ft / 6.65 m
E: 9.75 ft / 2.97 m
S.A. Fore: 92.35 ft² / 8.58 m²
S.A. Main: 106.42 ft² / 9.89 m²
S.A. Total (100% Fore + Main Triangles): 198.77 ft² / 18.47 m²
S.A./Displ. (calc.): 24.32
Est. Forestay Length: 25.27 ft / 7.70 m

Sailboat Links

Designers: Roger MacGregor
Builders: Macgregor Yacht Corp
Products: The Sail Warehouse
Related Sailboats: MACGREGOR 21
Download Boat Record:

Notes

The VENTURE 21 was the first (mono-hull) yacht built by MacGregor Yachts. It was updated and renamed MACGREGOR 21 in 1980.
Thanks to 'sea-scooter' for providing updated information.