SJ 320

Sailboat Specifications

both US imperial metric

Hull Type:

Fin w/bulb & spade rudder

Rigging Type:

Fractional Sloop

LOA:

31.23 ft / 9.52 m

LWL:

27.03 ft / 8.24 m

Beam:

10.33 ft / 3.15 m

S.A. (reported):

579.10 ft² / 53.80 m²

Draft (max):

6.33 ft / 1.93 m

Displacement:

7,765 lb / 3,522 kg

Ballast:

2,910 lb / 1,320 kg

S.A./Disp.:

23.71

Bal./Disp.:

37.48

Disp./Len.:

175.53

Construction:

GRP

Ballast Type:

Cast iron fin/lead bulb

First Built:

1994

Builder:

Seaquest Yachts

Designer:

Stephen Jones

Auxiliary Power/Tanks (orig. equip.)

Type:

Diesel

HP:

20

Fuel:

16 gals / 60 L

Sailboat Calculations

Definitions

S.A./Disp.:

23.71

Bal./Disp.:

37.48

Disp./Len.:

175.53

Comfort Ratio:

18.90

Capsize Screening Formula:

2.09

S#:

3.55

Rig and Sail Particulars

help

I:

39.50 ft / 12.04 m

J:

11.29 ft / 3.44 m

P:

39.99 ft / 12.19 m

E:

14.99 ft / 4.57 m

S.A. Fore:

222.98 ft² / 20.72 m²

S.A. Main:

299.73 ft² / 27.85 m²

S.A. Total (100% Fore + Main Triangles)

522.70 ft² / 48.56 m²

S.A./Disp. (calc.):

21.40

Est. Forestay Len.:

41.08 ft / 12.52 m

Accommodations

Water:

32 gals / 120 L

Sailboat Links

Designers:

Stephen Jones

Builders:

Seaquest Yachts

Download Boat Record:

PDF

Notes

IRC Disp: 4110 kg / 9061 lbs.
SA:
Main - 33.24 sqm / 357.79 sqft
Code 1 - 32.68 sqm / 351.76 sqft
SPI AP Fractional - 69.35 sqm / 746.48 sqft

SPL - 3.44m / 11.29 ft

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