[Amps] Re. SB-220 HV

[Nils P. Pedersen]

Ooops !
A little overkill then ? :-)
I did not know that it was a short piece of wire in mid air..
I am not very familiar with QRP equipment  :-)
But for long runs in crowded places the wire is a good choice,
even for a 3Kv supply.  I once tried RG213 for 3Kv DC and got
a flashover. The cable was of unknown quality from the far east,- but
after that i have been a regular customer in the racing shop.
I agree with Jim: for your project you may use almost anything,
Peter
LA7SL

----- Original Message ----- 
From: "W7RY" <w7ry at arrl.net>
To: <amps at contesting.com>
Sent: Saturday, December 22, 2007 11:48 PM
Subject: Re: [Amps] Re. SB-220 HV


> My goodness. The wire is 2 inches long or less and not close to metal. 
> Just
> use a piece of wire. Teflon if you have some.
>
> 73 and Merry Christmas
> Jim W7RY
>
> ----- Original Message ----- 
> From: Nils P. Pedersen
> To: Roy ; amps at contesting.com
> Sent: Saturday, December 22, 2007 11:59 AM
> Subject: Re: [Amps] Re. SB-220
>
>
> For HV wire I always use special ignition cable bought
> from a local racing shop. It has a good diameter multistrand copper
> conductor (good for 10A or more without
> heating) the insulation ( foam/teflon) is resistant to oil ,
> most chemicals and high temperatures. Mechanically and electrically
> excellent quality. Insulation guaranteed to withstand 45 Kvolts at least.
> The cable is flexible and has an OD slightly less than RG213.
> You can buy any length. Short or long. Expensive but superb.
> Ask at a well equipped car tuning and racing shop. They use this cable
> for dragsters and really hot engines.
> Peter
> LA7SL
>
> ----- Original Message ----- 
> From: "Roy" <royanjoy at ncn.net>
> To: <amps at contesting.com>
> Sent: Saturday, December 22, 2007 7:01 PM
> Subject: [Amps] Re. SB-220
>
>
>>
>> "I'm redoing my SB-221, I put in a Harbach capacitor kit and want to
>> replace
>> the high voltage wire
>> and am wondering a source for this wirer? Its say its blue in the manual
>> but
>> mines red I really
>> don't care about color, just the insulation...(etc.)"
>>
>>
>> Larry,
>>
>> RF Parts sells HV wire, including in very small, pre-cut lengths. Just
>> right
>> for hams' use. I recently puchased some, and it's of high quality.
>>
>> 73,   Roy   K6XK/0
>>
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>>
>>
>>
>>
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>
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