Dry Dock - Stability Flashcards
P force, critical instance
1
Q
What is P Force
A
The P force is the vertical upthrust from when the keel of the ship touches the blocks. GM reduced
2
Q
Define critical period
A
The period of time from the critical moment when the keel of the vessel first touches the line of blocks and commences to achieve the position of being ‘sewn’ on blocks
3
Q
Authority to flood cert
A
A certificate which must be presented to the shipboard representative for signature, usually the Chief Officer, prior to the action of re-flooding the dock space and returning the vessel to a floating condition.
4
Q
P force calculation
A
P x KG
W - P
