These ships often have a profound keel with lead at the bottom, which makes the centre of gravity lower than pressure point.
When the ship inclines that will cause a raised brace hitch will grow when the inclining increases.
Weight stability sees to it wants to lay straight again.
With motorboats the ballast is generally used for having a better weight division between the for and father part of the ship, or between port and starboard side.
We will cast lead in all kinds of forms, we sell lead billets, triangles and gunshot (gunshot available in packets of 25 kg).
For casting in steel (aluminium, box) keels we will apply a cooling system.
We also can cast on location, with our mobile oven.
When we deliver once-only models we can make a sand mould.
When necessary we can toughen the lead by the addition of a small percentage of antimony.