RG-213 can easily carry 10KV
Carl
----- Original Message -----
From: "Larry K4AB" <larry.k4ab@gmail.com>
To: <amps@contesting.com>
Sent: Saturday, February 06, 2010 8:21 PM
Subject: Re: [Amps] QRO Questions
> This thread on high power coax has me interested.
>
> I gamma match the boom of my HF Yagi's for 40M using small lengths
> of coax as fixed capacitors.
> In the past, I've used RG-17 because of it's high breaking voltage, but my
> supply of RG-17 is now gone.
>
> What type of modern coax is available with high voltage ratings?
>
> 73,
> Larry K4AB
>
>
>
> On Sat, Feb 6, 2010 at 7:01 PM, Carl <km1h@jeremy.mv.com> wrote:
>
>>
>> ----- Original Message -----
>> From: "Roger" <sub1@rogerhalstead.com>
>> To: <ka4inm@tampabay.rr.com>
>> Cc: "amps" <amps@contesting.com>
>> Sent: Saturday, February 06, 2010 2:02 PM
>> Subject: Re: [Amps] QRO Questions
>>
>>
>> >
>> >
>> > Ron Youvan wrote:
>> >>> There was a PTFE coax about the size of RG213 that I saw in Germany
>> >>> (at
>> >>> Friedrichshafen maybe?) some time ago, but I can't remember what it's
>> >>> called and have never seen it since. Anyone know of this stuff?
>> >>>
>> >>
>> >> There is a PTFE coax about the size of RG-58 with less loss and
>> >> more
>> >> power handling
>> >> capacity than RG214 so what you mention is a lot more than probable.
>> (as
>> >> is 1/4"
>> >> superflex) I like the Times LMR products, while not as efficient as
>> >> above, many are "direct
>> >> burnable." (polyethylene jacket)
>> >>
>> > Of course PTFE gives off toxic fumes if there an arc, or if it is over
>> > heated.
>> >
>> >
>> > 73
>> >
>> > Roger (K8RI)
>>
>>
>> I guess it may hurt a few birdies on the tower.
>>
>> Carl
>>
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