[TowerTalk] Antenna Supports
Joe Subich, W4TV
lists at subich.com
Fri Jun 17 16:54:12 PDT 2011
> The outer part of the sleeve will split given enough bending on the
> way up. Try something else.
,,, or put them up with a hinged base and "falling derrick." A good
derrick with appropriate guys from the derrick to the mast will keep
the mast from doing the "wet noodle" on the way up.
... Joe, W4TV
On 6/17/2011 7:40 PM, Gene Smar wrote:
> I have a set of the fiberglass swaged tubes from E-pay. I can get a
> set of five tubes up in the air, provided I don't have too much weight at
> the top and I guy it immediately. They aren't strong enough to support
> their own weight at 68+ feet. The outer part of the sleeve will split given
> enough bending on the way up. Try something else.
> 73 de
> Gene Smar AD3F
> ----- Original Message -----
> From: "Kshaddrick"<kshaddrick at jetup.net>
> To:<towertalk at contesting.com>
> Sent: Friday, June 17, 2011 4:43 PM
> Subject: [TowerTalk] Antenna Supports
>> One of my summer antenna projects is to put up two 40m dipoles in an
>> inverted V arrangement perpendicular to each other. I'd like the apex of
>> the V to be a half wave length above the ground, so a little over 68 feet.
>> What can be used for a support for something like this? Can the 4 foot
>> aluminum/fiberglass mast sections available on eBay be used at that height
>> (guyed of course)? That would be about 17 or 18 of those sections, not
>> sure how stable that would be. Other suggestions?
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