BLACKWATER 18

BLACKWATER 18

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Long keel w/trans. hung rudder
Rigging Type: Masthead Sloop
LOA: 5.61 m
LWL: 4.88 m
S.A. (reported): 16.54 m²
Beam: 1.96 m
Displacement: 2,550 kg
Ballast: 559 kg
Max Draft: 0.91 m
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

Download Boat Record:

Notes

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