Join Date: Jun 2007
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1. A tank is a closed system in that once air is drawn in and beomces cold it no longer draws in air!!! Outside of the tank is an open system. Air with moisture is cooled loses it's moisture and then falls downward only to be replaced by new warm moist air. THIS does not happen inside the tank. Second how would fuel moving around inside the tank pump air in and out???? Another problem is that the inside of a boat should be warmer than the outside air. Just think. It gets dark and the air cools off but the inside of the boat stays warm longer than outside. The air inside a tank deep in the sailboat should be warmer than the outside air. So any air drawn inside the tank should be cooler than the air already in the tank ie the air warms up when it comes inside the tank. Next day when it is warmer outside any air flow will be out of the tank as the inside of the boat warms up. Also if the boat is in the water the inside of a closed boat will never get much colder than the water. On a cold night the boat is warmer than the air outside!!!! Again the physics don't work!!!!!
Last edited by MoonSailer; 12-05-2008 at 04:44 PM.