[TowerTalk] stealth antenna---initial report

J. Hector Garcia XE2K hector at telecom1.net
Fri Jul 29 21:01:19 EDT 2005


Jim:

i check the radioworks catalog and say that the kevlar-dacron 1/8  is for 770 pounds  max   and 150 working load

the 7700 number is nice but not correct



On 29 Jul 2005 14:47 PDT you wrote:

> 
> TT:
> 
> Have taken receipt of the 1/8" kevlar/dacron line from
> radio works.  This is mil-spec olive drab stuff, which is
> rated at 7700 lbs breaking strength, and is about the same
> diameter as the insulated wire in my "stealth" carolina windom.
> 
> Tested the instal. at the MD house (for sale)....with plans to
> deploy early at the NJ house (on contract).
> 
> Gametracker string, rated at 17lbs, easily pulled up the Kevlar
> line, even though it's somewhat stiffer than the pure dacron line
> I'd previously used as a 'pilot' line.
> 
> General comments:  This stuff is invisible, as compared with the
> 1/4" double braided dacron which I'd previously used.  They both are
> rated for the same breaking strength, although the Kevlar doesn't
> flex.
> 
> Initial conclusion:  easy up.  easy on the eyes.  Needs strain relief
> at the ends, for the long haul.  For snaking wires through MULTIPLE
> trees....(who had that 4 square snaking problem??)....this is the gnats
> fuzzy.
> 
> Next report:  When I strike this antenna at end Sept.  Will report abrasion
> after striking.   Will re-deploy in NJ, with multiple trees within which to
> snake, and likely dangling ends.  (oh, boy....suburbia)
> 
> Since the wire is insulated, and the line itself is an insulator, there are
> no end insulators....smooth transitions....and can pull things over and
> through
> trees.  Not intented for long term installation.   We'll see.
> 
> OH...for sale:  2100 sq. ft. house on 24,000 sq. ft. corner lot with 80'
> high
> trees, and deepwater slip in a chesepeake hurricane hole, park and swimming
> pool
> a 60 second walk away.  Easily fits an 80m halfwave @ 80'.  It will be
> listed
> for sale in mid August.  See me for details if you're a ham who loves the
> water.
> Play your cards right, and I'll throw in the matched pair of sailing
> dinghys.
> Completely updated infrastructure.  Good bones.  Nice neighborhood.
> 
> N2EA
> jimjarvis at ieee.org
> 
> 
> _______________________________________________
> 
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
> 
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk



More information about the TowerTalk mailing list