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GET /hyperkitty/api/list/[email protected]/email/QGBHR4OFC5HAM7ZYXJT423XGVRE4X5ZU/
{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/QGBHR4OFC5HAM7ZYXJT423XGVRE4X5ZU/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "QGBHR4OFC5HAM7ZYXJT423XGVRE4X5ZU", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/2HKTJPFE6KXJ6AEOO63JM2MGSYO2N2OC/", "sender": { "address": "mat_62 (a) netcommander.com", "mailman_id": null, "emails": null }, "sender_name": "Michael Tondee", "subject": "[amsat-bb] PVC pipe grades and color", "date": "2006-08-16T22:25:24Z", "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/2HKTJPFE6KXJ6AEOO63JM2MGSYO2N2OC/", "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "Sorry, I didn't mean to indicate that all schedule 80 PVC was gray in \ncolor, I was just refering to what I have on hand that I got at the \nlocal home improvement center. I do know that the pipe I have is \ndefinitely intended as plumbing pipe and not electrical conduit. I got \nit because of it's superior rigidity to shcedule 40. Obviously this is \nthe case because it is thicker walled tubing.\n73,\nMichael\n\nRobin Midgett wrote:\n> Schedule 40 & schedule 80 are simply different wall thicknesses for \n> pressure ratings. I believe the gray PVC is intended for electrical \n> conduit purposes, and it is more resistant to UV, but the color has \n> nothing to do with the schedule grade.\n>\n>\n>\n> \n>> The white stuff can tend to get brittle out in the sun. Painting it \n>> will help with this somewhat. My 70cm antenna was modeled after the \n>> cheap yagi design and had a white PVC boom that had been painted \n>> gray. When lowering the mast to do some rotator maintenance the \n>> antenna brushed a nearby dogwood tree that the XYL refuses to let me \n>> cut down. The boom snapped right at one of the elements. This could \n>> have been brittleness or just the fact of where it struck. I can't \n>> comment on the tan (CPVC) pipe as I haven't used it. My\n>> replacement antenna will be using schedule 80 which is gray in color \n>> and much more rigid for the boom.\n>> 73,\n>> Michael, W4HIJ\n>>\n>>\n>> \n\n", "attachments": [] }