Your vessel has a displacement of 24,500 tons. It is 529 feet long and has a beam of 71 feet.
You have timed your full charge rolling period to be 25.0 seconds.
What is your vessel's approximate GM?
A. 1.25 feet
B. 1.56 feet
C. 1.98 feet
D. 2.43 feet
You have timed your full charge rolling period to be 25.0 seconds.
What is your vessel's approximate GM?
A. 1.25 feet
B. 1.56 feet
C. 1.98 feet
D. 2.43 feet
Using the rolling period formula:
ReplyDeleteGM = (0.44Besn/Rolling Period)^2
GM = (0.44(71)/25)^2=1.56 ft