Blackwatch 19

1979 — 1981
Designer
Dave Autry
Builder
Blue Water Boatworks (USA)
Associations
?
# Built
81
Hull Type
Long keel w/trans. hung rudder
Construction
FG

Dimensions

Length Overall
18 6 / 5.6 m
Waterline Length
17 5 / 5.3 m
Beam
7 6 / 2.3 m
Draft
2 0 / 0.6 m
Displacement
2,300 lbs / 1,043 kg
Ballast
800 lbs / 363 kg
drawing

Rig and Sails

Type
Cutter
Reported Sail Area
224 ft2 / 20.8 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
5.61 knots
Sail Area/Displacement
20.57
high performance
Ballast/Displacement
34.78
less stiff, less powerful
Displacement/Length
191.59
light
Comfort Ratio
13.55
lightweight racing boat
Capsize Screening
2.27
better suited for coastal cruising

Notes

This boat has also been called the BLACKWATCH 24 (the over all length including the bowsprit is nearly 24’) Blue Water Boatworks was located in Amarillo TX (USA).


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