[Amps] Amps Digest, Vol 95, Issue 47

[Carl]

You still have to tightly secure before soldering and solder alone isnt 
strong enough when using large tubing or strap. Its even worse when the 
items are undersized and the heat Henry uses just SS hardware even in the 8K 
and it works fine.

Carl
KM1H




----- Original Message ----- 
From: <n8de at thepoint.net>
To: <fsiyfr at earthlink.net>
Cc: <amps at contesting.com>
Sent: Friday, November 19, 2010 9:25 AM
Subject: Re: [Amps] Amps Digest, Vol 95, Issue 47


> I'm not sure I would use any screws in the RF circuitry, just in
> chassis assembly, etc.
>
> Screws to 'hold together' RF components seems like a lossy connection
> in the making.  Why not just silver-solder those component 'joints' as
> needed and forget the 'flux' problems?
>
> 73
> Don
> N8DE
>
>
> Quoting fsiyfr <fsiyfr at earthlink.net>:
>
>>
>>
>> If you're running significant power, magnetic components in a strong RF
>> field will change the distribution of flux; the magnetic component may
>> overheat, it may encourage corona effects at certain points (that a
>> non-magnetic component wouldn't).  Possibly not an issue at lower powers,
>> but an important issue at high power.
>>
>> 73,
>>
>> Dan
>> K8YKO
>>
>>
>>
>> Date: Fri, 19 Nov 2010 00:14:30 -0500
>> From: n8de at thepoint.net
>> Subject: Re: [Amps] Plated screws
>> To: Stirling Schmidt <kc0nxm at sbcglobal.net>
>> Cc: AMPS submit <amps at contesting.com>
>> Message-ID: <20101119001430.kpeggb410kggkoks at webmail.win.net>
>> Content-Type: text/plain; charset=ISO-8859-1; DelSp="Yes";
>> format="flowed"
>>
>> Please explain WHY magnetic screws are 'inappropriate' for amp building?
>>
>> 73
>> Don
>> N8DE
>>
>>
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>
>
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