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by KA2AUB
Mon Apr 22, 2024 5:46 pm
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Arborist Weight

I have an air cannon with interchangeable barrels. so far, I have a 1 1/2" barrel and 1" barrel. I am trying to get paracord in a tree for my ham radio antennas. I have seen the suggestion of an arborist's weight bag. Does anyone know any good alternatives?
by clide
Mon May 14, 2007 11:21 pm
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Piston Valves Explained Visually

I had this posted on Spudtech, but I am reposting it here to hopefully help some people out and allow for discussions/updates. Well I made this flash animation in hopes to explain piston valves for the most part. Let me know if this helps anyone figure them out. Those who already know, please point...