[TowerTalk] need advice on 9/16 or 5/8 Rope, not for dipoles

[Grant Saviers]

The usual "rated" safe hoisting or personnel working load on new ropes 
is 10% to 15% of specified breaking strength.  For hoisting, dacron or 
other low stretch ropes are better than nylon which because it stretches 
so much may cause the load to bounce around a lot.

The other consideration is what will fit through any blocks or gin 
poles.  3/4" requires some heavy tackle and is too big for most gin 
poles.  I find 7/16" is the minimum size for gloved hands and strong 
enough for anything a ground crew will do by hand.  For "something 
better" check ship chandlers or arborist suppliers for dacron double 
braid.  Your ebay bargain "dacron" may be a "polyester-polypropylene 
blend" and likely 3 strand, which depending on the construction can 
impart a nice spin when lifting.  Tag lines are a must.

See the interesting tutorial at             http://kickinteractive  dot  
com/dc/units/1_1/index.html

Grant  KZ1W


Hector Garcia XE2K wrote:
> Just to make it a little clear ,  the 200lb load is  maybe a  5k dlls antenna,  or maybe a  200lb piece of steel that can cause  100k dlls in damages or KILL people
>   9/16   5/8 or  3/4  is more comfortable to use in your hand  with globes 
> I want something  I can trust and  handle with no  problems,  is maybe too much but   will be plenty of room to have no worries 
>
> Just found at Ebay  Dacron 3/4  600ft spool,   as an option at good price, but will  be looking for something  better , but at least this will solve  my immediate needs
>
> Will continue to  accept more possible options, thanks for the advices  and experiences 
>
> Tks in Advance
>
>
>  J. Hector Garcia XE2K / AD6D
> Mexicali B.C  DM22fp
> P.O.Box 73 
> El Centro CA 92244-0073
> USA
> http://www.xe2k.net
> http://www.dxxe.org
>
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