Application of a little logic would indicate that they are not going to advocate resting their tank on 4 points.įolks, you can't cheat the physics, even if some yoyo shows photos of his tank resting only on 4 corners. Furthermore, they will refuse honor the warranty if they can show that the tank was not fully supported by the customer built stand. The manufacturer will not offer an extended warranty on the tank unless it rests on their stand. Put simply, if it does not break when filled, the entire safety margin in the design is compromised and it will take very little to cause catastrophic failure. In reality, this means an off-the-shelf aquarium is in grave danger of failure if supported in such a manner. The end result, regardless of how you do the math, a tank (designed for it or not) will be in much greater stress if supported only by the corners. Furthermore, those added forces create significantly more force acting on the silicone joints. This "bowing" could be In the same direction as the forces pushing them apart (the water pressure) or counter to the water pressure. Because of the geometry those forces will tend to warp the panels instead of bowing them in their strong direction. Loading ONLY the corners changes much of the way the panels behave, not only do they have forces trying to push them apart, but also forces trying to bow them downward. if it is built to do so, along with the stand being built accordingly. As you remove support, the stress at the remaining contact points increases, as does the point load at those areas on the stand.Ĭan a fish tank be supported by all 4 corners? Sure. With the entire perimeter supported, the load is distributed evenly along that perimeter and transferred to the stand. "physics wise" any point of contact carries the load.
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