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@rogerhalstead.com>
To: "Peter Voelpel" <df3kv@t-online.de>
Cc: <amps@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@contesting.com [mailto:amps-bounces@contesting.com] On
>> Behalf Of Roger (K8RI)
>> Sent: Dienstag, 16. September 2008 20:10
>> To: Kevin LaHaie
>> Cc: amps@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@cox.net wrote:
>>>
>>>
>>>> Team,
>>>>
>>>> How about a resistor in series with fuse.
>>>>
>>>> -S
>>>>
>>>>
>>>>
>>>>
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>>>
>>>
>>>
>>
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>
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