A Fast Offshore Cruiser - Appendices.
A.8. - Keel.
Takeing t as 6mm.
dk = OD of keel bolts (mm), Wk = weight of ballast (N), Yk = distance from CoG of ballast to bearing surface (mm), s y = minimum yield strength of bolt or ½*UTS (N/mm2), å li = summation of transverse distance of each bolt (mm)
dk = 25mm stainless steel 316 bolts, 11 bolts.
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