Small angles of heel HELP !

Discussion in 'Stability' started by Chris Matthews, Apr 25, 2013.

1. Joined: Apr 2013
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Chris MatthewsNew Member

Hi, im having problems calculating small angles of heel with little information.

Mass Disp. 10315 t
KM = 1.5
Heeling Moment = 1223 t/m

I am very confused at what steps are needed to calculate the angle of heel??
A fundmental calculation that has lost me !

Chris

2. Joined: May 2013
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NasukiNaval Architect

Chris, it seem to be there is a missing given data, actually KG is needed in order to calculate the heeling angle, otherwise the answer is in variable.

Heeling angle is Tangent of KK'/KM or GG'/GM.

GG' = Heeling Moment/Displacement
= 0.118 (unit of length)
GM = KM-KG (unit of length)

Let says the KG is Y , so;

GM = (1.5 - Y) unit of length, and

Tangent theta = GG'/(1.5-Y).

= 0.118/(1.5-Y)

I hope this will help you.

3. Joined: Nov 2009
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yuyewuyuconanJunior Member

as Nasuki said. --! your Heeling Moment unit is t*m

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