Inclining test
An inclining test is a test performed on a
The weight of a vessel can be readily determined by reading draughts and comparing with the known hydrostatic properties. The metacentric height (GM), which dominates stability, can be estimated from the design, but an accurate value must be determined by an inclining test.
The inclining test is usually done inshore in calm weather, in still water, and free of mooring restraints to achieve accuracy. The GM position is determined by moving weights transversely to produce a known overturning moment in the range of 1-4 degrees if possible.[2] Knowing the restoring properties (buoyancy) of the vessel from its dimensions and floating position and measuring the equilibrium angle of the weighted vessel, the GM can be calculated.
As in a new ship test, the weight shifts have to be known and the angles of list measured. A series of weight (
See also
References
- ISBN 92-801-5117-7.
- ^ "Inclining test unified procedure" (PDF). IACS. January 2004. Archived from the original (PDF) on 11 July 2009. Retrieved 2 January 2010.