SB20

2004
Designer
Tony Castro
Builder
Dart Sailboats
Association
SB20 Class Association International
# Built
?
Hull Type
Lifting Keel
Construction
FG foam w/carbon

Dimensions

Length Overall
20 2 / 6.2 m
Waterline Length
18 0 / 5.5 m
Beam
7 0 / 2.2 m
Draft
4 11 / 1.5 m
Displacement
1,510 lbs / 685 kg
Ballast
720 lbs / 327 kg

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
294 ft2 / 27.3 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
5.69 knots
Sail Area/Displacement
35.74
high performance
Ballast/Displacement
47.75
stiffer, more powerful
Displacement/Length
114.82
light
Comfort Ratio
9.2
lightweight racing boat
Capsize Screening
2.46
better suited for coastal cruising

Notes

Originally called the LASER SB3, it was built in Malaysia and sold by Laser Performance under licence from the designer until 2012.
Class rules specify a crew weight limit and prohibit hiking.
It is thought that more than 700 boats have been built.


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