- 1. [TowerTalk] beam antenna truss (score: 1)
- Author: steve jobes <w1dxh@aol.com>
- Date: Sun, 23 Dec 2012 19:50:22 -0500 (EST)
- Looking for info on best way to truss a long boom yagi. What is the best material to use? How to secure to boom etc. Thanks for help. 73, Steve W1DXH _______________________________________________ _
- /archives//html/Towertalk/2012-12/msg00116.html (6,501 bytes)
- 2. Re: [TowerTalk] beam antenna truss (score: 1)
- Author: Cqtestk4xs@aol.com
- Date: Sun, 23 Dec 2012 20:10:37 -0500 (EST)
- The cheapest is to use is wire. However, this can cause interaction accord ing to some, with the Yagi. Many use rope. On my M2 antennas Dacron is used, fastened to the boom by mean of an eyebolt thro
- /archives//html/Towertalk/2012-12/msg00117.html (8,009 bytes)
- 3. Re: [TowerTalk] beam antenna truss (score: 1)
- Author: "Dan Cisson" <n4gnr@windstream.net>
- Date: Sun, 23 Dec 2012 20:24:10 -0500
- Steve,, boy thats a loaded question....The last antenna I built was 72 ft 6 el yagi for 20 meters...It was made of 12" aluminum tower-all that I had,,there was about 40 ft of al. tower and I ran 2" a
- /archives//html/Towertalk/2012-12/msg00118.html (9,252 bytes)
- 4. Re: [TowerTalk] beam antenna truss (score: 1)
- Author: "Patrick Greenlee" <patrick_g@windstream.net>
- Date: Sun, 23 Dec 2012 19:30:06 -0600
- Don't use nylon as it is too stretchy. Don't use polypropylene as it lacks UV resistance (Good water ski rope though) Dacron is a good very low stretch rope, preferably treated for UV resistance but
- /archives//html/Towertalk/2012-12/msg00119.html (9,547 bytes)
- 5. Re: [TowerTalk] beam antenna truss (score: 1)
- Author: "Dan Cisson" <n4gnr@windstream.net>
- Date: Sun, 23 Dec 2012 20:38:48 -0500
- Steve,, I misunderstood what you asked...I thought you meant boom material... But for boom truss...--Phillystrand-Period!! Dan...GNR -- Original Message -- From: "steve jobes" <w1dxh@aol.com> To: <to
- /archives//html/Towertalk/2012-12/msg00120.html (8,331 bytes)
- 6. Re: [TowerTalk] beam antenna truss (score: 1)
- Author: K8RI <K8RI-on-TowerTalk@tm.net>
- Date: Sun, 23 Dec 2012 21:22:19 -0500
- On 12/23/2012 8:30 PM, Patrick Greenlee wrote: Don't use nylon as it is too stretchy. Don't use polypropylene as it lacks UV resistance (Good water ski rope though) Dacron is a good very low stretch
- /archives//html/Towertalk/2012-12/msg00121.html (10,502 bytes)
- 7. Re: [TowerTalk] beam antenna truss (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Sun, 23 Dec 2012 21:06:25 -0800
- Dave Leeson W6NL, in "Physical Design of Yagi Antennas" (check Amazon) advises that trusses should resist sway in two planes - horizontal and vertical. Wind up/down drafts can cause as many problems
- /archives//html/Towertalk/2012-12/msg00122.html (12,599 bytes)
- 8. Re: [TowerTalk] beam antenna truss (score: 1)
- Author: Bryan Swadener <bswadener@yahoo.com>
- Date: Mon, 24 Dec 2012 16:20:22 -0800 (PST)
- Steve, My F12 C-4XL specified steel wire rope. The yagi came to me used, and the wire rope was thoroughly rusted. Rather than second-guess the manufacturer, I replaced it with 19 strand stainless ste
- /archives//html/Towertalk/2012-12/msg00129.html (9,293 bytes)
- 9. Re: [TowerTalk] beam antenna truss (score: 1)
- Author: Bryan Swadener <bswadener@yahoo.com>
- Date: Mon, 24 Dec 2012 19:28:47 -0800 (PST)
- IMO, it goes w/o saying that thimbles should ALWAYS be used. I used SS thimbles with SS wire rope. All hardware was ordered from DX Engineering and McMaster-Carr. ;) vy 73, Bryan WA7PRC _____________
- /archives//html/Towertalk/2012-12/msg00131.html (9,012 bytes)
- 10. Re: [TowerTalk] beam antenna truss (score: 1)
- Author: Bryan Swadener <bswadener@yahoo.com>
- Date: Mon, 24 Dec 2012 19:28:53 -0800 (PST)
- EG steel rots. Hot-Dipped steel rots slower. SS rots slowest. I want it to outlast me. ;) vy 73, Bryan WA7PRC _______________________________________________ _________________________________________
- /archives//html/Towertalk/2012-12/msg00132.html (8,511 bytes)
This search system is powered by
Namazu