[TowerTalk] [Bulk] Re: Guying a vertical...???

[Radio K0HB]

This post alone is worth every dime that I paid to join TowerTalk!

(Well, OK, I got in for free, but it still is a very valuable post.  Thanks, 
Patrick)

73, de Hans, K0HB
--
"Just a boy and his radio"™
--
Proud Member of:
. ARRL - http://www.arrl.org
. RSGB - http://www.rsgb.org
. A1 Operators - http://www.arrl.org/a-1-op
. Minnesota Wireless contesters - http://www.W0AA.org
. Arizona Outlaws contesters - http://www.arizonaoutlaws.net
. Twin City DX Assn - http://www.tcdxa.org
. Minnesota Amateur Radio Technical Society - http://www.mn-arts.org/
. Lake Vermilion DX Assn - http://www.lvdxa.org
. Royal Naval Amateur Radio Society - http://www.rnars.org.uk/
. SOC - http://www.qsl.net/soc
. CW Operators Club – http://www.cwops.org
. SKCC - http://www.skccgroup.com/
--


On 8/31/2015 13:26 PM, Patrick Greenlee wrote:
> Nylon is used on boats because it stretches like a rubber band and when 
> used for an anchor line does not transmit much shock to the deck hardware. 
> For hoisting sails (halyards) and for sheets (lines used to control sails) 
> Dacron is used for its minimal stretch (desirable characteristic.) Steel 
> cables (wire ropes) are sometimes spliced to rope "tails" for better 
> manual handling characteristics and the rope of choice is Dacron.
>
> Nylon is useful for towing a boat because of it stretchiness not putting 
> shock loads on deck hardware.  Great heat is generated by inter-fiber 
> friction when the nylon is stretched and when wet the nylon shows its heat 
> by copious quantities of steam.  Failure to let the tow rope contact the 
> water for cooling purposes can result in melting the nylon rope leading to 
> catastrophic failure.
>
> I have considerable experience as a rag sailor and 10 years in maritime 
> search and rescue. I advise folks wanting rope for guys to avoid nylon if 
> it will be loaded such that it stretches and recovers as in variable wind. 
> Dacron is a far better choice.
>
> Patrick        NJ5G
>