Structural Pipe strength
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: Structural Pipe strength
: Structural Pipe strength -- Rick Zytaruk	Post Reply	Top of thread	Engineering Forum

Posted by: RWOLFEJR ® 04/01/2010, 10:13:43 Author Profile eMail author Edit

There are calculators on this site you can plug your information into to see what will work for you. Without any calculations... If you have figured this out this far with your weight of this kite and wind effects at ??? KiloNewtons... Why not go 6"? For 9 foot plus whatever you're going to poke into your rock... say 12 foot total... you'll be looking at about $80.oo Max. additional cost over the 4" to go stouter.

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: : Structural Pipe strength
: : Structural Pipe strength -- RWOLFEJR	Post Reply	Top of thread	Engineering Forum

Posted by: Pinkerton ® 04/01/2010, 11:56:43 Author Profile eMail author Edit

Rick, Is that the gust load or load for the prevailing winds? Out here in the boonies we get gusts up to 55 mph. Your local County will have "Code" for max wind loading for structures and I would go with that if that is not what you are already using. We have a lot of solar out here and it is not uncommon to see them facing in funny directions after a particularly blustery day. I have made many repairs for neighbors. A 9-foot pole is a lot of unsupported pipe and I would strongly suggest you re-think just a single pipe. I would be building a structure to reduce that 9'. Gust loading and harmonics can provide some surprising, but unhappy results. How many axis are you tracking? If only one axis then maybe consider an A-frame approach. Or something called a "Hinge" mount. Dave

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