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<p>[QUOTE="Just Carl, post: 859790, member: 4552"]Beer is primarily water and water has a unique property of both expanding and contracting as it is cooled. In other words as you chill water down to a certain degree, it contracts. Then it starts to expand again and continues to expand for several more degrees. This is why Ice floats since it has expanded and now takes up more space than the same amount of water. </p><p>As to those tubes a possible slight amount of heat from a hair dryer may expand the plastic enough to allow the coins to come out. Worth a try but there too is one small problem. Heating the plastic should make it expand but that means it could expand, or try to, in both directions meaning the plastic itself would now become thicker and would attempt to expand inward as well as outward. Might be worth a try but remember that to much heat could well start a toning effect on the coins as well.</p><p>Another possible problem could be in the actual composition of the plastic. If really old, manufacturers didn't know how some substances could effect coins back then and may have added something to the plastic to make it mold easier. Heating the plastic may make this substance leak out onto the coins. </p><p>All sounds like some great fun in experimentation though. Pending on the value of the coins, I almost wonder if adding a slippery substance into the tube could make the coins slide out. But then too such a substance could effect the coins.</p><p>There is always a Butane torch as a last resort though. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>
[QUOTE="Just Carl, post: 859790, member: 4552"]Beer is primarily water and water has a unique property of both expanding and contracting as it is cooled. In other words as you chill water down to a certain degree, it contracts. Then it starts to expand again and continues to expand for several more degrees. This is why Ice floats since it has expanded and now takes up more space than the same amount of water. As to those tubes a possible slight amount of heat from a hair dryer may expand the plastic enough to allow the coins to come out. Worth a try but there too is one small problem. Heating the plastic should make it expand but that means it could expand, or try to, in both directions meaning the plastic itself would now become thicker and would attempt to expand inward as well as outward. Might be worth a try but remember that to much heat could well start a toning effect on the coins as well. Another possible problem could be in the actual composition of the plastic. If really old, manufacturers didn't know how some substances could effect coins back then and may have added something to the plastic to make it mold easier. Heating the plastic may make this substance leak out onto the coins. All sounds like some great fun in experimentation though. Pending on the value of the coins, I almost wonder if adding a slippery substance into the tube could make the coins slide out. But then too such a substance could effect the coins. There is always a Butane torch as a last resort though. :D[/QUOTE]
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