Masthead Sloop
• Fin w/transom hung rudder
• Built 1976
Dimensions
LOA
18 ft
LWL
16.17 ft
Beam
6.83 ft
Max Draft
3.5 ft
Displacement
1,650 lbs
Ballast
500 lbs
Performance Ratios
Capsize Ratio ⓘ
2.31
(use caution offshore)
SA/D Ratio ⓘ
13.8
D/L Ratio ⓘ
174
Ballast Ratio ⓘ
30.3%
Sail Plan
Sail Area
120 sq ft
Construction
Hull Type
Fin w/transom hung rudder
Rig Type
Masthead Sloop
Hull Material
FG
Ballast Type
Cast iron
Production
First Built
1976
Last Built
—
Number Built
—
Notes: More than 100 were built under license in Missoula, MT by Laurie Simms.\nThe Simms built boats vary slightly from those built in Australia.\nDisp: 1100 lbs.\nBallast: 400 lbs.\nBeam: 7.0 ft.\nDraft: 3.0 ft.\nPhoto from The True North Sailing Club website is of a Simms built Spacesailer 18.