<html><div>I hope you all had a great Thanksgiving and have plenty to be thankful for!</div>
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<div>I am adding diesel storage capacity to my shop.</div>
<div>I got a good deal on an aluminum semitruck fuel tank ( 26" diameter 68" long) and need to construct a stand for it.</div>
<div>These are normally secured on the truck with metal straps or bands.</div>
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<div>For my stand I am considering constructing large "X" from pressure treated 4x4 and resting the tank in the upper V.</div>
<div>I would tie them together with 2x4 s to keep them from cocking. I figure I would be safe with 3 Xs if any doubt, 4 to make sure.</div>
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<div>Question: If I went with only 2 supports and kept them out on the ends, would the bending moment (bowing) threaten the integrity of the tank?</div>
<div>150 gallons is about 1000#. Similarly, would the reduced "contact patch" of X mounts vice continuous straps threaten the tank walls?</div>
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<div>I am sure I could dig out my old <em>Statics</em> book and find the equation, but don't have a design bending limit for the tank.</div>
<div>I am anticipating that just 2 supports, especially out at the ends would be too risky.</div>
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<div>Thanks for your thoughts,</div>
<div>Matt in GA</div>
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