The EIA and TIA both have a spec that virtually all cable manufacturers hold
to.  The static minimum bend radius of any cable that meets their spec is
10XD or ten times the diameter of the outer jacket.  Under pulling load that
radius doubles to 20XD.  The individual manufacturer will state the maximum
pulling force.  I've never had any problems if I adhere to that spec.  And I
deal with all sorts of cabling from heliax to precision HD video coax.      

Rod Lane, N1FNE
Senior Systems Engineer
ESPN Systems Engineering

-----Original Message-----
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Dave VanHorn
Sent: Monday, January 30, 2006 8:02 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Re: Loss through adaptors:


> In sharp bends, the softer center foam conductors 
> will migrate from the center over time and with 
> modest heat.  Feedline/coax with soft foam centers 
> outside in the summer sun is a serious potential 
> trouble maker. 

Define "sharp".  the min bend radius is 1" and none of my outside stuff 
is less than 12".  Indoors I go down to 3"








 
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