International 23

1975
Designer
Johannes "Jopie" Helsen
Builder
International Yacht Corp. (USA)
Associations
?
# Built
?
Hull Type
Swing Keel
Construction
FG

Dimensions

Length Overall
23 9 / 7.2 m
Waterline Length
19 9 / 6 m
Beam
8 0 / 2.4 m
Draft
1 4 / 0.4 m 4 7 / 1.4 m
Displacement
3,090 lbs / 1,402 kg
Ballast
900 lbs / 408 kg
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
245 ft2 / 22.8 m2
Total Sail Area
244.6 ft2 / 22.7 m2
Mainsail
Sail Area
100.6 ft2 / 9.4 m2
P
22 11 / 7 m
E
8 9 / 2.7 m
Mast Height
30 4 / 9.3 m
Foresail
Sail Area
143.9 ft2 / 13.4 m2
I
28 1 / 8.6 m
J
10 2 / 3.1 m
Forestay Length
29 10 / 9.1 m

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
5.97 knots
Sail Area/Displacement
18.48
good performance
Ballast/Displacement
29.13
less stiff, less powerful
Displacement/Length
176.91
light
Comfort Ratio
14.15
lightweight racing boat
Capsize Screening
2.2
better suited for coastal cruising

Notes

Keel version - draft:2.5’/.76m

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