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Night Heron Details


Night Heron

Number of Cockpits: 1

EnglishMetric
Length18.0feet5.5meters
Beam20.0inches50.8cm
Waterline Length16.1feet4.9meters
Waterline Beam19.6inches49.8cm
Design Displacement251.0lbs113.9kg
Draft3.8inches9.7cm
Wetted Area21.4sq ft2.0sq m
Waterplane Area17.8sq ft1.7sq m
Surface Area50.0sq ft4.6sq m
Approx. Bare Boat Weight35.0lbs15.9kg
Volume11.7cu ft331.3liters
Prismatic Coeff.0.57
Block Coeff.0.47
Lateral Plane Coeff.0.68
Sinkage84.0lbs/in15.0kg/cm
Moments to change trim 1 inch76.1foot pounds103.2kg/cm
Righting Moment at 1 degree0.12foot pounds0.16kg/cm