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to sink or not to sink
In article ,
hk wrote: Buzzihd Beah wrote: In article , wrote: On Aug 19, 2:17 am, Buzzihd Beah wrote: Gentlemen, Say I want to make sure my boat does not sink even if it's full of water. It weighs 4330 pounds. Does that mean I have to add about two cubic meters of foam somewhere? There isn't enough space for that much. Or can I somehow take into account the buoyancies of fiberglass, fuel tank, engine, and all the other stuff? Is there a method to calculate things like that? What year and size is your boat? Newer boats already are required to have floatation. Usually it's expanding foam under the floor and in the sides. US Composites has a good expanding foam. This one is 1988, 25.5', and there is no foam in it. The only "flotation device" is the 160 gal fuel tank (if I'd keep it nearly empty). The other possible one is the toilet, if I'd make a new door and find a way to seal it. It is unlikely you are going to be able to stash enough flotation in a boat that large to keep it floating upright and level if it is holed or swamped. Keep it insured, be careful, and spend enough to buy first class lifejackets and other safety gear. There are several small compartments that can be filled with foam without doing much harm to anything, and for now I just want to make a preliminary calculation, to see if I can get close to flotation. Not necessarily upright and level. |
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