MACGREGOR 21

MACGREGOR 21

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Swing Keel
Rigging Type: Masthead Sloop
LOA: 21.00 ft
LWL: 18.50 ft
S.A. (reported): 206.00 ft²
Beam: 6.83 ft
Displacement: 1,175.00 lb
Ballast: 400.00 lb
Max Draft: 5.50 ft
Min Draft: 1.00 ft
Construction: FG
First Built: 1980
Last Built: 1985
Builder: Macgregor Yacht Corp. (USA)
Designer: Roger Macgregor

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Definitions
S.A. / Displ.: 29.66
Bal. / Displ.: 34.04
Disp: / Len: 82.85
Comfort Ratio: 7.29
Capsize Screening Formula: 2.59
S#: 6.62
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: 24.30 ft
J: 7.50 ft
P: 23.00 ft
E: 10.00 ft
S.A. Fore: 91.13 ft²
S.A. Main: 115.00 ft²
S.A. Total (100% Fore + Main Triangles): 206.13 ft²
S.A./Displ. (calc.): 29.68
Est. Forestay Length: 25.43 ft

Sailboat Links

Designers: Roger MacGregor
Builders: Macgregor Yacht Corp
Products: The Sail Warehouse
Related Sailboats: VENTURE 21
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Notes

Called the Venture 21 from 1966 - 1979