Burns 21

1980
Designer
Chuck Burns
Builders
?
Associations
?
# Built
?
Hull Type
Fin w/spade rudder
Construction
FG

Dimensions

Length Overall
20 6 / 6.3 m
Waterline Length
17 8 / 5.4 m
Beam
7 3 / 2.2 m
Draft
4 0 / 1.2 m
Displacement
1,870 lbs / 848 kg
Ballast
1,070 lbs / 485 kg

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
209 ft2 / 19.4 m2
Total Sail Area
208.7 ft2 / 19.4 m2
Mainsail
Sail Area
100 ft2 / 9.3 m2
P
25 0 / 7.6 m
E
8 0 / 2.4 m
Mast Height
?
Foresail
Sail Area
108.7 ft2 / 10.1 m2
I
25 0 / 7.6 m
J
8 8 / 2.7 m
Forestay Length
26 5 / 8.1 m

Auxilary Power

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

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
5.65 knots
Sail Area/Displacement
22.03
high performance
Ballast/Displacement
57.22
stiffer, more powerful
Displacement/Length
149.28
light
Comfort Ratio
11.05
lightweight racing boat
Capsize Screening
2.35
better suited for coastal cruising

Notes

An earlier version was known as the WILDERNESS 21.


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