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Dock
Bumper
Calculator
Calculate dock bumper material, spacing, and energy absorption for vessel protection
Input Parameters
Largest Vessel (ft)
Vessel Displacement (lb)
Approach Speed (ft/s)
Dock Face Length (ft)
Bumper Type
Rubber D-Profile
Closed Cell Foam
Timber Wale
Vinyl Edging
Calculate
Results
--
Berthing Energy
ft-lb
--
Bumpers Required
--
Bumper Spacing
ft
--
Max Deflection
in
Reference
Berthing energy: E = ½mv² × Ce × Cm Ce (eccentricity): 0.5 typical Cm (virtual mass): 0.85 typical Rubber D-profile: ~50 ft-lb/ft absorption