MACGREGOR 21

MACGREGOR 21 drawing

Sailboat Specifications


Hull Type:
Swing Keel
Rigging Type:
Masthead Sloop
LOA:
6.40 m
LWL:
5.64 m
Beam:
2.08 m
S.A. (reported):
19.14 m2
Draft (max):
1.68 m
Draft (min):
0.30 m
Displacement:
533 kg
Ballast:
181 kg
S.A./Disp.:
29.66
Bal./Disp.:
34.04
Disp./Len.:
82.85
Construction:
FG
Ballast Type:
First Built:
1979
Last Built:
1985
# Built:
Builder:
Macgregor Yacht Corp. (USA)
Designer:
Roger Macgregor
Website:

Sailboat Calculations

S.A./Disp.:
29.66
Bal./Disp.:
34.04
Disp./Len.:
82.85
Comfort Ratio:
7.29
Capsize Screening Formula:
2.59

Rig and Sail Particulars

I:
7.41 m
J:
2.29 m
P:
7.01 m
E:
3.05 m
SPL/TPS:
ISP:
S.A. Fore:
8.47 m2
S.A. Main:
10.68 m2
S.A. Total (100% Fore + Main Triangles)
19.15 m2
S.A./Disp. (calc.):
29.68
Est. Forestay Len.:
7.75 m

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