San Juan 28

1977
Designer
Don Clark
Builder
Clark Boat Company
Associations
?
# Built
300
Hull Type
Fin w/spade rudder
Construction
FG

Dimensions

Length Overall
28 8 / 8.7 m
Waterline Length
22 4 / 6.8 m
Beam
10 0 / 3.1 m
Draft
4 5 / 1.4 m
Displacement
6,200 lbs / 2,812 kg
Ballast
3,100 lbs / 1,406 kg
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
383.9 ft2 / 35.7 m2
Total Sail Area
383.3 ft2 / 35.6 m2
Mainsail
Sail Area
156.7 ft2 / 14.6 m2
P
33 0 / 10.1 m
E
9 6 / 2.9 m
Mast Height
?
Foresail
Sail Area
226.5 ft2 / 21 m2
I
37 9 / 11.5 m
J
12 0 / 3.7 m
Forestay Length
39 7 / 12.1 m

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
22 gal / 83 l

Accomodations

Water Capacity
25 gal / 95 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.33 knots
Sail Area/Displacement
18.2
good performance
Ballast/Displacement
50.0
stiffer, more powerful
Displacement/Length
248.59
moderate
Comfort Ratio
18.28
lightweight racing boat
Capsize Screening
2.18
better suited for coastal cruising

Notes

SAN JUAN 29 is similar.


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