Calculate dock line diameter, length, and material for secure vessel mooring
Input Parameters
Results
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Line Diameter
in
--
Bow/Stern Line Length
ft
--
Spring Line Length
ft
--
Breaking Strength
lb
Reference
Rule of thumb: 1/8" diameter per 9 ft of boat length
Bow/stern lines: 2/3 boat length
Spring lines: equal to boat length
Nylon preferred for stretch and shock absorption