[Amps] 3-500Z glitch resistor

David Cutter d.cutter at ntlworld.com
Wed Sep 17 02:18:16 EDT 2008


Something I missed, thanks for the tip.  I'm not a smoker and I would have 
to search for a Wal-Mart over here.  Shame to waste a product, though, just 
for the packaging.

David
G3UNA

----- Original Message ----- 
From: "Bob Maser" <bmaser at tampabay.rr.com>
To: "David Cutter" <d.cutter at ntlworld.com>; "Roger (K8RI)" 
<sub1 at rogerhalstead.com>; "Peter Voelpel" <df3kv at t-online.de>
Cc: <amps at contesting.com>
Sent: Wednesday, September 17, 2008 1:50 AM
Subject: Re: [Amps] 3-500Z glitch resistor


> That is not true.  Just go to any convenience store, liquor store, 
> Wal-Mart and buy a Crystal cigar.  It comes in a nice, 7" long glass tube. 
> Cost, about a buck or less.  The cigar ain't bad either.
>
> Bob W6TR
>
> ----- Original Message ----- 
> From: "David Cutter" <d.cutter at ntlworld.com>
> To: "Roger (K8RI)" <sub1 at rogerhalstead.com>; "Peter Voelpel" 
> <df3kv at t-online.de>
> Cc: <amps at contesting.com>
> Sent: Tuesday, September 16, 2008 6:10 PM
> Subject: Re: [Amps] 3-500Z glitch resistor
>
>
>> Glass tubes are not so easy to find: some plastics might do just as well
>> filled with sand.
>>
>> David
>> G3UNA
>>
>> ----- Original Message ----- 
>> From: "Roger (K8RI)" <sub1 at rogerhalstead.com>
>> To: "Peter Voelpel" <df3kv at t-online.de>
>> Cc: <amps at contesting.com>
>> Sent: Tuesday, September 16, 2008 10:27 PM
>> Subject: Re: [Amps] 3-500Z glitch resistor
>>
>>
>>> Peter Voelpel wrote:
>>>> Put the wire into a glass tube and fill that with sand
>>>>
>>>
>>> Now that makes sense. Basically a HV fuse is just a tube with a wire
>>> filled with sand.
>>> If glass just make the diameter large enough to handle the pressure.
>>>
>>> 73
>>>
>>> Roger (K8RI)
>>>> 73
>>>> Peter
>>>>
>>>> -----Original Message-----
>>>> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] 
>>>> On
>>>> Behalf Of Roger (K8RI)
>>>> Sent: Dienstag, 16. September 2008 20:10
>>>> To: Kevin LaHaie
>>>> Cc: amps at contesting.com
>>>> Subject: Re: [Amps] 3-500Z glitch resistor
>>>>
>>>> Kevin LaHaie wrote:
>>>>
>>>>> Harbach recommends a single strand of #32 or 36 wire create a fusible
>>>>>
>>>>>
>>>>
>>>> I really don't like the thought of a piece of wire in there long enough
>>>> to extinguish the arc, or to coat things with vaporized copper. OTOH
>>>> using regular fuses is inviting disaster. Most are rated no more than
>>>> 250 v.  HV fuses are difficult to find but about the only safe way to 
>>>> go.
>>>>
>>>> 73
>>>>
>>>> Roger (K8RI)
>>>>
>>>>> link, in series with the current limiting resistor.  Makes sense -
>>>>> inexpensive with big potential returns!  A recommended source of this
>>>>> wire being a single strand from a computer disk drive ribbon cable - 
>>>>> we
>>>>> all have those lying around!
>>>>>
>>>>> 73 Kevin K7ZS
>>>>>
>>>>> sccook1 at cox.net wrote:
>>>>>
>>>>>
>>>>>> Team,
>>>>>>
>>>>>> How about a resistor in series with fuse.
>>>>>>
>>>>>> -S
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>>
>>>>>
>>>>
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