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Can I use plastic bottles/jugs as flotation?
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<blockquote data-quote="onthewater102" data-source="post: 434497" data-attributes="member: 13702"><p>You don't need to account for the people's weight pound for pound for the purposes of your planning - you're not looking to satisfy some logic you can defend in court as is probably the case with any commercial boat builder - people float in water, the fatter they are the better they float, so only work with the dead weight of gear, batteries, etc. when planning what you need and if there's still room, great. If you're getting really nerdy wood is also close to neutrally buoyant - so while your decking is adding a lot of weight in the event of submersion it will not require much flotation to support it.</p><p></p><p>The issue you're going to run into is the irregular shape of the bottles, you're not going to be able to make efficient use of the space under the deck, which is where Johnny's suggestion about the oil cans makes a lot of sense. Not because of the HDPE plastic, but because they are smaller and easier to nest together. Beyond your front casting deck you can still nest them fairly regularly in the cavities between the ribs along the main deck of the boat and add them in areas you can't reasonably fit a 2 liter soda bottle.</p></blockquote><p></p>
[QUOTE="onthewater102, post: 434497, member: 13702"] You don't need to account for the people's weight pound for pound for the purposes of your planning - you're not looking to satisfy some logic you can defend in court as is probably the case with any commercial boat builder - people float in water, the fatter they are the better they float, so only work with the dead weight of gear, batteries, etc. when planning what you need and if there's still room, great. If you're getting really nerdy wood is also close to neutrally buoyant - so while your decking is adding a lot of weight in the event of submersion it will not require much flotation to support it. The issue you're going to run into is the irregular shape of the bottles, you're not going to be able to make efficient use of the space under the deck, which is where Johnny's suggestion about the oil cans makes a lot of sense. Not because of the HDPE plastic, but because they are smaller and easier to nest together. Beyond your front casting deck you can still nest them fairly regularly in the cavities between the ribs along the main deck of the boat and add them in areas you can't reasonably fit a 2 liter soda bottle. [/QUOTE]
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Can I use plastic bottles/jugs as flotation?
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