X-21(NORTON) FR

X-21(NORTON) FR photo X-21(NORTON) FR drawing

Sailboat Specifications


Hull Type:
Fin w/spade rudder
Rigging Type:
Fractional Sloop
LOA:
21.00 ft / 6.40 m
LWL:
17.50 ft / 5.33 m
Beam:
6.50 ft / 1.98 m
S.A. (reported):
207.00 ft2 / 19.23 m2
Draft (max):
4.00 ft / 1.22 m
Displacement:
2,400 lb / 1,089 kg
Ballast:
1,200 lb / 544 kg
S.A./Disp.:
18.52
Bal./Disp.:
50.00
Disp./Len.:
199.92
Construction:
FG
First Built:
1979
Builder:
Perkins Boat Co. (USA)
Designer:
Tom Norton

Sailboat Calculations

S.A./Disp.:
18.52
Bal./Disp.:
50.00
Disp./Len.:
199.92
Comfort Ratio:
16.51
Capsize Screening Formula:
1.94
S#:
2.88

Rig and Sail Particulars

I:
25.00 ft / 7.62 m
J:
7.70 ft / 2.35 m
P:
26.00 ft / 7.92 m
E:
8.50 ft / 2.59 m
S.A. Fore:
96.25 ft2 / 8.94 m2
S.A. Main:
110.50 ft2 / 10.27 m2
S.A. Total (100% Fore + Main Triangles)
206.75 ft2 / 19.21 m2
S.A./Disp. (calc.):
18.50
Est. Forestay Len.:
26.16 ft / 7.97 m

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