
Sailboat Specifications
Hull Type:
Fin with rudder on skeg
Rigging Type:
Masthead Sloop
LOA:
29.92 ft / 9.12 m
LWL:
22.67 ft / 6.91 m
Beam:
9.50 ft / 2.90 m
S.A. (reported):
399.00 ft2 / 37.07 m2
Draft (max):
5.30 ft / 1.62 m
Displacement:
8,000 lb / 3,629 kg
Ballast:
3,710 lb / 1,683 kg
S.A./Disp.:
16.01
Bal./Disp.:
46.38
Disp./Len.:
306.54
Construction:
FG
First Built:
1973
Builder:
Hughes Boatworks Ltd./North Star Yachts (CAN)
Designer:
Sparkman & Stephens
Auxiliary Power/Tanks (orig. equip.)
Make:
Universal
Model:
Atomic 4
Type:
Gas
Sailboat Calculations
S.A./Disp.:
16.01
Bal./Disp.:
46.38
Disp./Len.:
306.54
Comfort Ratio:
24.81
Capsize Screening Formula:
1.90
S#:
1.62
Rig and Sail Particulars
I:
38.00 ft / 11.58 m
J:
12.50 ft / 3.81 m
P:
34.00 ft / 10.36 m
E:
9.50 ft / 2.90 m
S.A. Fore:
237.50 ft2 / 22.06 m2
S.A. Main:
161.50 ft2 / 15.00 m2
S.A. Total (100% Fore + Main Triangles)
399.00 ft2 / 37.07 m2
S.A./Disp. (calc.):
16.01
Est. Forestay Len.:
40.00 ft / 12.19 m
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Notes
S&S #2098-C6. Based on S&S design #2098. IOR 1/2 ton. (S&S 30, PJ-30 HALF TON, SAGITTA 30 and others) but with different deck and taller coach roof. Later, with other modifications, it became the HUGHES 31.
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