Eric Sorry, I should have mentioned that the chimney is brick. Years ago I had a satellite dish strapped to the chimney. That dish has been replaced years ago, but the strapping is still attached and I planned to use that strapping to hold up a pulley for the antenna.
David David Mehl Houston TX USA From: BVARC <[email protected]> On Behalf Of Eric Weder via BVARC Sent: 7 May, 2021 3:23 PM To: BRAZOS VALLEY AMATEUR RADIO CLUB <[email protected]> Cc: Eric Weder <[email protected]> Subject: Re: [BVARC] HF Antenna Advice You didn’t mention what your chimney is constructed from ... brick, stone, galvanized steel??? Sent from my iPhone On May 7, 2021, at 16:16, Jeffrey Carson via BVARC <[email protected]<mailto:[email protected]>> wrote: What "warnings" did you read about using a chimney for a mount. Never actually heard of any myself. Is it about it not being sturdy or something else? On Friday, May 7, 2021, 03:12:02 PM CDT, MIKE BRANNAN via BVARC <[email protected]<mailto:[email protected]>> wrote: Years ago I used steel strapping around my chimney to hold a heavy dipole with large traps. Worked fine. Even went though several high wind events. One removed a large portion of the roof. Sent from my iPhone On May 7, 2021, at 1:14 PM, Karl Bernard via BVARC <[email protected]<mailto:[email protected]>> wrote: David, I wouldn't think that a dipole of any kind would put too much of a strain on your chimney. Even with the balun, that one only weighs 1.2lb (per DX Engineering - https://www.dxengineering.com/parts/mfj-2010<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.dxengineering.com%2Fparts%2Fmfj-2010&data=04%7C01%7C%7C2337abaf29f44fec21b008d9119a7294%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637560177319159414%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=jSBiBl79g92zndGzScp0wa6oYES0b1OFSrzGhaTyPMc%3D&reserved=0>). Since whatever you use as a mount will weigh more than the antenna, just be sure to use a lightweight mount. Disclaimer - this only my opinion. I've never mounted an antenna on a chimney before. Thanks, Karl W5KMB On Fri, May 7, 2021 at 12:43 PM David Mehl via BVARC <[email protected]<mailto:[email protected]>> wrote: BVARC Club I am a new ham and a club member since I passed my Tech last August at the BVAC testing. I have also passed both my General and Extra exam about a month ago. I am working on setting up a HF radio for home. I have a ‘backordered’ IC-7300 which may show up one day. In the mean time, I am trying to plan for my HF antenna that will fit on my small lot. I think I can run an 40-20-10-6 OCFD (*MFJ-2010) in a slope from a tree in my front yard, with the feed point hung off a mounted on chimney, and then on to a post above my fence in my backyard. I don’t have any trees in my backyard. Instead I have power lines across the back of the lot that I have to avoid. I keep reading various comments and warnings about using a chimney for a mount. My chimney is in good repair, having been inspected and repaired during my home rebuilt after being flooded during Harvey. Is the center of the OCFD a light enough load to consider using my chimney as a center mount? Is there a right way to do that? Or should I ‘bite the bullet’ and setup a pole beside the chimney? Any other antenna advice for a novice? 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