[TowerTalk] Can 1/4" or 3/8" Andrew SUPERFLEX be used for a Rotor loop?

[Grant Saviers]

Mac,

Prior posts said don't use FSJ4 outside side the Cu shield is spiral 
rather than solid and water can migrate.  So is it correct that has not 
been a problem for you?

Ecoflex has also been mentioned in the thread. Loss seems to fall 
halfway between AVA5 and FSJ4 @50Mhz.  Is there an Ecoflex distributor 
in the US?  Although UK price looks super high.


Grant KZ1W


On 7/16/2020 09:04, Mac wrote:
> Indeed I have done this and continue to do it, ONLY with using 1/2" 
> superflex and not ONE issue or regret, absolutely not a single issue. 
> Now that said, i do use a cable grip or woven sock, or at the political 
> risk of calling it a Chinese finger grip to hold all the weight below 
> the grip thereby the "loop and such is essentially weight free and only 
> has to make the 400 degree or so circle.. I let my tower beam "over 
> travel" about 20 degrees in each extrema direction.
> 
> While likely not determinable, i like the idea of my feedline being 
> unbroken as well not dealing with water proofing the connection points 
> of the cables..
> 
> Best:  mac/mc  w5mc
> 
> On 7/15/2020 11:05 PM, RVZ via TowerTalk wrote:
>> Hi Guys,
>>
>> I'm wondering if anyone has successfully used 1/4" or 3/8" Andrew 
>> SUPERFLEX all the way from your shack to the antenna, including 
>> forming the rotor loop?  I'd like to use a one piece Superflex cable 
>> from the shack to the my VHF antenna including having it form the 
>> rotor loop.  I'd locate a large rotor loop in the middle of the rotor 
>> rotation range so the most the Superflex would ever have to move is 
>> 180 degrees.
>> Please advise if this can be done with SuperFlex?
>> Thanks & 73,
>> Dick- K9OM
>>
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