[Elecraft] Fw: OT: Ladder Line Spacers

[Tom W8JI]

> Oooh Kay.  The US military GRA-4 antenna [5' Al poles that 
> you could
> push up by adding sections at the bottom, had nylon guy 
> ropes and nylon
> haul ropes for the [usually] fan dipole.  My team and I 
> used these in
> Vietnam and Laos for 4 years.  Nothing ever broke or fell 
> down, and I
> still have about 150 International Feet of that now 45 yr 
> old rope under
> the back seat of my truck ... not sure why, but it seemed 
> like a good
> idea at the time.  Even if you weren't there, you can 
> probably imagine
> the tropical sun, rain, and resultant mold.  This rope 
> survived far
> better than my feet did.
>
> I have two wires suspended between my tower and trees on 
> nylon rope.
> It's been a long winter, however it does look like it's 
> ending and we'll
> be in "forever clear and sunny" weather in triple digits 
> soon [we hope
> :-)  The rope shows no deterioration, been up for at least 
> 4 years now.
>
> What am I missing here?


Nothing Fred.

http://www.us-rope-cable.com/rope.html

http://www.cncphotoalbum.com/rope/

http://www.lehighgroup.com/fiber.htm

http://www.nylonnet.com/

and this is a post from a fellow involved in the textile 
industry that explains why you and I and many others observe 
what we do:

http://www.eham.net/ehamforum/smf/index.php/topic,43983.msg303332.html#msg303332

All of my ropes and strings are nylon, and they last several 
years or longer in the sun.

73 Tom