US 21

1982
Designers
?
Builder
Bayliner (Buccaneer/US Yachts)
Associations
?
# Built
?
Hull Type
Lifting Keel
Construction
FG

Dimensions

Length Overall
21 3 / 6.5 m
Waterline Length
18 0 / 5.5 m
Beam
8 0 / 2.4 m
Draft
1 2 / 0.4 m 4 7 / 1.4 m
Displacement
1,700 lbs / 771 kg
Ballast
200 lbs / 91 kg
drawing

Rig and Sails

Type
Fractional Sloop
Reported Sail Area
220 ft2 / 20.4 m2
Total Sail Area
220.1 ft2 / 20.5 m2
Mainsail
Sail Area
117 ft2 / 10.9 m2
P
25 11 / 7.9 m
E
8 11 / 2.7 m
Mast Height
?
Foresail
Sail Area
103.1 ft2 / 9.6 m2
I
26 4 / 8 m
J
7 10 / 2.4 m
Forestay Length
27 5 / 8.4 m

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
24.71
high performance
Ballast/Displacement
11.76
less stiff, less powerful
Displacement/Length
130.13
light
Comfort Ratio
8.62
lightweight racing boat
Capsize Screening
2.68
better suited for coastal cruising

Notes

Later it became the TRITON 21.


For Sale

Have a sailboat to sell?
List it for free and it will show up here.

Subscribe

Get occassional updates about new features or featured sailboats.
You can opt out or contact us any time.