Masthead Sloop
• Fin with rudder on skeg
• Built 1964–1969
Dimensions
LOA
22.47 ft
LWL
19.68 ft
Beam
7.38 ft
Max Draft
3.61 ft
Displacement
3,307 lbs
Ballast
1,389 lbs
Performance Ratios
Capsize Ratio ⓘ
1.98
(offshore safe)
SA/D Ratio ⓘ
14.1
D/L Ratio ⓘ
194
Ballast Ratio ⓘ
42.0%
Sail Plan
Sail Area
196 sq ft
I
27.23 ft
J
6.75 ft
P
23.95 ft
E
8.85 ft
Construction
Hull Type
Fin with rudder on skeg
Rig Type
Masthead Sloop
Hull Material
FG
Ballast Type
Iron
Production
First Built
1964
Last Built
1969
Number Built
215
Notes: Originally called F 18. (1962?) (RORC class 5)\nRenamed IW-23 (with new deck and interior).\nSame design later built in Norway as the WESTCAPP 23.