IW-Varvet F 18

1962
Designer
Ivar Åkesson
Builder
IW-Varvet
Associations
?
# Built
?
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
22 5 / 6.9 m
Waterline Length
19 8 / 6 m
Beam
7 4 / 2.3 m
Draft
3 7 / 1.1 m
Displacement
3,310 lbs / 1,500 kg
Ballast
1,390 lbs / 630 kg (Iron)
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
202 ft2 / 18.8 m2
Total Sail Area
193.8 ft2 / 18 m2
Mainsail
Sail Area
106.1 ft2 / 9.9 m2
P
23 11 / 7.3 m
E
8 10 / 2.7 m
Mast Height
?
Foresail
Sail Area
87.6 ft2 / 8.1 m2
I
25 11 / 7.9 m
J
6 9 / 2.1 m
Forestay Length
26 9 / 8.2 m

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
5.94 knots
Sail Area/Displacement
14.56
under powered
Ballast/Displacement
42.0
stiffer, more powerful
Displacement/Length
193.69
light
Comfort Ratio
17.27
lightweight racing boat
Capsize Screening
1.98
better suited for ocean passages

Notes

Originally called F 18. (1962?) (RORC class 5)
Renamed IW-23 (with new deck and interior).
Same design later built in Norway as the WESTCAPP 23.


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