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  • goroberts56. commented on SidA2's instructable The Awesome Rainbow Tornado Lamp2 months ago
    The Awesome Rainbow Tornado Lamp

    Here's another thought. Since the air is inside the bottle/jar (and needed for the tornado effect) will warm and cool, pressure will increase/decrease which depending how this is built could result in some leakage. To help take some of that pressure, insert some small, thin-walled plastic balls inside. Before inserting them however, make a pin hole to equalize the pressure inside the ball to the pressure outside. Thin walled plastic is best because it will expand and contract to the air (in the bottle/jar) around it. Water will not compress so it's important these are air tight to stay afloat. Seal the holes in the balls with a glue gun dab, silicone or whatever as long as it isn't water soluble. Once everything is all sealed up, they will also bring some added visual effect to the...see more »Here's another thought. Since the air is inside the bottle/jar (and needed for the tornado effect) will warm and cool, pressure will increase/decrease which depending how this is built could result in some leakage. To help take some of that pressure, insert some small, thin-walled plastic balls inside. Before inserting them however, make a pin hole to equalize the pressure inside the ball to the pressure outside. Thin walled plastic is best because it will expand and contract to the air (in the bottle/jar) around it. Water will not compress so it's important these are air tight to stay afloat. Seal the holes in the balls with a glue gun dab, silicone or whatever as long as it isn't water soluble. Once everything is all sealed up, they will also bring some added visual effect to the tornado but unseen to the viewer be providing some equalization as well.Excellent build SidA2, great idea!

    To avoid any leaks at all, use a wider base that is also non-metalic where a longer cylindrical magnet can be left to move freely. Then underneath the base another cylindrical magnet is mounted on the mother and made to spin. The magnetic fields will couple the two magnets and will turn the inner magnet thus churning the water. I've seen this in lab equipment where the solution being stirred also developed a vortex. No leaks. Using this approach you could upgrade to a clear glass fixture found at many craft stores or even a large glass jar, just make sure to find an alternate to the metal lid which are often made of low grade steel (high iron content) which would interfere with the magnets and could rust over time. With a little "Instructable" ingenuity a wood or other t...see more »To avoid any leaks at all, use a wider base that is also non-metalic where a longer cylindrical magnet can be left to move freely. Then underneath the base another cylindrical magnet is mounted on the mother and made to spin. The magnetic fields will couple the two magnets and will turn the inner magnet thus churning the water. I've seen this in lab equipment where the solution being stirred also developed a vortex. No leaks. Using this approach you could upgrade to a clear glass fixture found at many craft stores or even a large glass jar, just make sure to find an alternate to the metal lid which are often made of low grade steel (high iron content) which would interfere with the magnets and could rust over time. With a little "Instructable" ingenuity a wood or other type of base material would make a nice addition to any decor. Just make the base heavy or wide so the lamp can't easily topple over.This is a great idea SidA2 has come up with. And, to make it even more possible, he's provided the code for the microcontroller to bring the lights to life. Excellent build!

    To avoid any leaks at all, use a wider base that is also non-metalic where a longer cylindrical magnet can be left to move freely. Then underneath the base another cylindrical magnet is mounted on the motor where it can spin. The magnetic fields will couple the two magnets and will turn the inner magnet thus churning the water. I've seen this in lab equipment where the solution being stirred also developed a vortex in a large flask or beaker. No leaks. Using this approach you could upgrade to a clear glass fixture found at many craft stores or even a large glass jar. Just make sure to find an alternate to the metal lid which are often made of low grade steel (high iron content) that would interfere with the magnets and could rust over time. With a little "Instructable" ingenu...see more »To avoid any leaks at all, use a wider base that is also non-metalic where a longer cylindrical magnet can be left to move freely. Then underneath the base another cylindrical magnet is mounted on the motor where it can spin. The magnetic fields will couple the two magnets and will turn the inner magnet thus churning the water. I've seen this in lab equipment where the solution being stirred also developed a vortex in a large flask or beaker. No leaks. Using this approach you could upgrade to a clear glass fixture found at many craft stores or even a large glass jar. Just make sure to find an alternate to the metal lid which are often made of low grade steel (high iron content) that would interfere with the magnets and could rust over time. With a little "Instructable" ingenuity a wood or other type of base material would make a nice addition to any decor. Just make the base heavy or wide so the lamp can't easily topple over.This is a great idea SidA2 has come up with. And, to make it even more possible, he's provided the code for the microcontroller to bring the lights to life.Excellent build!

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  • goroberts56. commented on mikeasaurus's instructable No-wrinkle Button Seam4 months ago
    No-wrinkle Button Seam

    You just saved several shirts in my closet that developed this problem. Thanks!

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