Members BillESC Posted August 21, 2013 Members Share Posted August 21, 2013 I have an event coming up where I'll have to fly speakers in a large tent. I've just built dual rigging point clamps for the job. Link to comment Share on other sites More sharing options...
Members RoadRanger Posted August 21, 2013 Members Share Posted August 21, 2013 Those look awesome but I'm sure someone will be along shortly to point out that they aren't "certified" . Link to comment Share on other sites More sharing options...
Members BillESC Posted August 21, 2013 Author Members Share Posted August 21, 2013 Not to worry, I'm taking them to an engineer. Link to comment Share on other sites More sharing options...
CMS Author Craig Vecchione Posted August 22, 2013 CMS Author Share Posted August 22, 2013 That's nice work, Bill, using readily available components. I recognize strut and of course forged rings, but are those 4" exhaust clamps? Link to comment Share on other sites More sharing options...
Members BillESC Posted August 22, 2013 Author Members Share Posted August 22, 2013 I'll be hanging KV2's EX-10's which are 48.4 pounds. The U bolts are extended length 1/2" steel which have a 2020 pound load rating each. Single strut channel is rated at 3500 pounds per foot, I'm still looking for the load baring tables for the dual strut.I'll be able to sleep well with my speakers in the air, but then again, I've been putting stuff over peoples heads since I started in community theatre in 1965. I learned from some very smart people. Link to comment Share on other sites More sharing options...
Members MainEventSound Posted August 22, 2013 Members Share Posted August 22, 2013 Does the assembly attache to the upright pole in center? If so, how are the eyehooks on top of each other going to work? Looks great, im just confused Link to comment Share on other sites More sharing options...
Members agedhorse Posted August 22, 2013 Members Share Posted August 22, 2013 If it's on a vertical column, the forged eye bolts must be derated for the 90 degree direction. It's a significant derating IIRC. Link to comment Share on other sites More sharing options...
Members Pro Sound Guy Posted August 22, 2013 Members Share Posted August 22, 2013 http://www.struttech.com/pipe_clamp_guide.html Link to comment Share on other sites More sharing options...
Members agedhorse Posted August 23, 2013 Members Share Posted August 23, 2013 Pro Sound Guy wrote: http://www.struttech.com/pipe_clamp_guide.html The fiberglass system has much lower working loads IIRC. Link to comment Share on other sites More sharing options...
Members Tomm Williams Posted August 25, 2013 Members Share Posted August 25, 2013 BillMay I ask, was there not a production item available for what you wanted to do or was this a more economical way of doing it? Or perhaps you simply like building your own equipment ? Not being any sort of a machinist, it looks great to me. All of the conversations concerning load limits has been enlightening. Link to comment Share on other sites More sharing options...
Members BillESC Posted August 26, 2013 Author Members Share Posted August 26, 2013 Tomm Williams wrote: Bill May I ask, was there not a production item available for what you wanted to do or was this a more economical way of doing it? Or perhaps you simply like building your own equipment ? Not being any sort of a machinist, it looks great to me. All of the conversations concerning load limits has been enlightening. I enjoy building and creating. Any commercial products I found were crazy expensive and not ideal. The pictured clamp had around $ 40 in parts.Building this prototype and the discussion here about it has been very helpful in designing the final product. Link to comment Share on other sites More sharing options...
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