BLACKWATER 18

BLACKWATER 18

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Long keel w/trans. hung rudder
Rigging Type: Masthead Sloop
LOA: 18.42 ft
LWL: 16.00 ft
S.A. (reported): 178.00 ft²
Beam: 6.42 ft
Displacement: 5,622.00 lb
Ballast: 1,232.00 lb
Max Draft: 3.00 ft
Construction: Wood plank
Ballast Type: Iron
First Built: 1932
# Built: 100
Builder: Dan Webb and Feesy (UK)
Designer: Daniel Webb

Sailboat Calculations

Definitions
S.A. / Displ.: 9.03
Bal. / Displ.: 21.91
Disp: / Len: 612.75
Comfort Ratio: 43.61
Capsize Screening Formula: 1.45
Hull Speed: 5.36 kn
Pounds/Inch Immersion: 367.03 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

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Notes

Long keel or keel/CB
Gaff or Bermudian rig
Estimates range from 70 to 200 boats built by late 1960s.