AMERICAN 21 (AMI)

AMERICAN 21 (AMI) insignia AMERICAN 21 (AMI) drawing

Sailboat Specifications


Hull Type:
Rigging Type:
LOA:
20.75 ft / 6.32 m
LWL:
17.67 ft / 5.39 m
S.A. (reported):
196.00 ft2 / 18.21 m2
Beam:
7.83 ft / 2.39 m
Draft (max):
2.17 ft / 0.66 m
Draft (min):
Displacement:
2,500 lb / 1,134 kg
Ballast:
900 lb / 408 kg
S.A./Disp.:
17.07
Bal./Disp.:
36.00
Disp./Len.:
202.29
Construction:
FG
Ballast Type:
First Built:
1979
Last Built:
# Built:
Builder:
American Mariner Industries (USA)
Designer:
Arthur S. Henry
Website:

Sailboat Calculations

S.A./Disp.:
17.07
Bal./Disp.:
36.00
Disp./Len.:
202.29
Comfort Ratio:
13.40

Rig and Sail Particulars

I:
25.00 ft / 7.62 m
J:
8.50 ft / 2.59 m
P:
23.00 ft / 7.01 m
E:
7.80 ft / 2.38 m
Py:
4.00 ft / 1.22 m
Ey:
SPL/TPS:
ISP:
S.A. Fore:
106.25 ft2 / 9.87 m2
S.A. Main:
89.70 ft2 / 8.33 m2
S.A. Total (100% Fore + Main Triangles)
195.95 ft2 / 18.20 m2
S.A./Disp. (calc.):
17.06
Est. Forestay Len.:
26.41 ft / 8.05 m

Sailboat Links

Notes

Also called AMERICAN 6.5.



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