A Fast Offshore Cruiser - Appendices.
C.2. - Spars.
Mast section calculations.
Euler critical load.
Pe = 79.49kN, L = 7.05m,
Aluminium spar E = 69GPa, FOS = 3
for panel 1 (p1)
This value requires the Seldon mast E-section of the following dimensions: -
321*171mm, Iy = 5822cm3, Ix = 2038cm3, 12.84kg/m
Boom section modulus (NBS).
RM = righting moment, HA = heeling arm, E = foot length, d = distance from goose neck to kicking strap fitting on boom
This value requires the Selden boom of the following dimensions: -
OD=300*155m, t = 4mm, 10.50kg/m
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