[TowerTalk] Fwd: Fwd: Fwd: hardline bending radius

[Hans Hammarquist]

Thank you. Just what the doctor ordered. Yes, that's what the cable look like and I can only assume it is the same.


Minimum bending radius 6". Time to build the bending fixture.


73 de, Hans - N2JFS



-----Original Message-----
From: Grant Saviers <grants2 at pacbell.net>
To: Hans Hammarquist <hanslg at aol.com>
Sent: Wed, Nov 21, 2012 11:51 am
Subject: Re: [TowerTalk] Fwd:  Fwd:  hardline bending radius


              here is a spechttp://www.dfcco.com/images/document/CommScope%20Specs/P3%20500%20JCA.pdf
    
    may be not exactly what you have, but since this is a common use    cable in CATV, the spec should be close to any manufacturer's    product.
    
    Grant KZ1W
    
    
    
On 11/20/2012 8:02 PM, Hans Hammarquist      wrote:
    
    
      
Hi Jim,


No, I don't have a part number. I purchased a roll (of 442 feet) at an antique auction for $1. Nobody know what it was. As it couldn't be used as a water pipe most people found it useless. :-) The jacket is solid black without any marking. I measured the loss of 1.2dB @ 65Mhz for the 442 feet length I have. (I am not sure about this measurement as the cable Z=75 ohms but the analyzer is for Z=50 ohms.)


The outside diameter of the aluminum shield is (pretty much) exactly 1/2 inch. The dielectric is foam. The center conductor fits very nicely inside the center pine of a PL-259. I seen the same cable used by cable TV companies as trunk cable.


I will build a bending fixture myself. That's the reason I want to know the minimum bending radius. I don't want to build something just to find out it was wrong and have to build something else later.


73 de,


Hans - N2JFS



-----Original Message-----
From: Jim Lux <jimlux at earthlink.net>
To: towertalk <towertalk at contesting.com>
Sent: Tue, Nov 20, 2012 8:07 pm
Subject: Re: [TowerTalk] Fwd:  hardline bending radius



      
        
I do want to now what diameter to use for the fixture. I would like not to 

      
      
get/make one with a too small diameter and later have to get something 
different.

      
        

So, what would I expect for a 1/2 inch solid conductor, solid/stiff shield 

      
      
with noting to aid bending.

      
        


      
      
Have you got a part # to look up the mfr data sheet?

Have you got a bending jig or tool to support it so it doesn't kink?


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