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Total 9 documents matching your query.

1. [TowerTalk] Element vibration (score: 1): Author: ron@gw3ydx.demon.co.uk (Ron Stone, Vine Antennas); Date: Wed, 30 Dec 1998 20:40:32 +0000; Hi chaps. I recently built two five eles for 28 MHz from the ARRL antenna book design. This is 24 foot boom. Element center pieces are 1/2" for the first three feet on each side. Then we taper to 5/8; /archives//html/Towertalk/1998-12/msg00482.html (9,900 bytes)
2. [TowerTalk] Element vibration (score: 1): Author: K3BU@aol.com (K3BU@aol.com); Date: Wed, 30 Dec 1998 18:22:54 EST; << I have put rope in the tubing at the tips. As much nylon rope as I can stuff in. The rope fills about 5/8 of the inner diameter of the tubing, and is pushed back to the 1/2" dia section where pop; /archives//html/Towertalk/1998-12/msg00483.html (8,636 bytes)
3. [TowerTalk] Element vibration (score: 1): Author: kd4wiw@ipass.net (Stephen Vinson); Date: Wed, 30 Dec 1998 22:38:01 -0500; Ron Stone's post reminded me of something that I remember from flying. Never use a lead pencil to draw lines or reference marks on aluminum. The pencil lead will cause the aluminum to corrode and wea; /archives//html/Towertalk/1998-12/msg00487.html (8,920 bytes)
4. [TowerTalk] Element vibration (score: 1): Author: coopersg@odl.co.uk (S Cooper); Date: Thu, 31 Dec 1998 09:41:09 -0000; Hi Ron, String, nylon cord, or anything non-conductive, wound helically around the element or boom at a very low pitch - 1 turn per 5-6ft perhaps, and just taped at intervals. This works on VHF yagi; /archives//html/Towertalk/1998-12/msg00491.html (11,229 bytes)
5. [TowerTalk] Element vibration (score: 1): Author: TexasRF@aol.com (TexasRF@aol.com); Date: Thu, 31 Dec 1998 07:11:01 EST; Element vibration can also be dampened by insertion of a weight into the element tip. I had problems in my TH7 stack with the 10 and 15 meter element tips breaking off until 6 inch pieces of steel ro; /archives//html/Towertalk/1998-12/msg00492.html (8,533 bytes)
6. [TowerTalk] Element vibration (score: 1): Author: NI6W@contesting.com (Kurt Andress); Date: Thu, 31 Dec 1998 01:29:06 -0800; Comments interspersed. Unless I've made a mistake reading the above, the element has a reverse taper with the small diameter tube connected to the boom and the large one out near the tip. If this is; /archives//html/Towertalk/1998-12/msg00494.html (15,736 bytes)
7. [TowerTalk] Element vibration (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Thu, 31 Dec 1998 09:04:35 EST; Any typical yagi elements will vibrate in light winds. And they do - constantly. This is due to traditional element design where the total element is similar in size. Tom Schiller, N6BT, of Force 12; /archives//html/Towertalk/1998-12/msg00496.html (8,588 bytes)
8. [TowerTalk] Element vibration (score: 1): Author: K3BU@aol.com (K3BU@aol.com); Date: Thu, 31 Dec 1998 09:35:41 EST; << Element vibration can also be dampened by insertion of a weight into the element tip. >> Forget weights, tapers, wraparound things, theories! The least problematic way of eliminating the vibration; /archives//html/Towertalk/1998-12/msg00497.html (8,751 bytes)
9. [TowerTalk] Element vibration (score: 1): Author: TexasRF@aol.com (TexasRF@aol.com); Date: Thu, 31 Dec 1998 10:48:44 EST; In my previous post on the subject I failed to mention that the element tip failures did have the ropes inside. When the first failures occurred the repair included adding ropes to the elements. The; /archives//html/Towertalk/1998-12/msg00499.html (9,452 bytes)

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