[Elecraft] K3 mobile

[Greg - AB7R]

Or if you have a hot glue gun you can use that too.

-------------------------
73,
Greg - AB7R
Whidbey Island WA
NA-065


On Thu Oct 23  6:17 , Tom Hammond  sent:

>
>
>RTV is very often available as gasket maker/filler from your friendly
>
>
>neighborhood auto parts store. 
>
>
>Permatex #16B, Black, Silicone Adhesive Sealer IS NOT SUITABLE, 
>
>Â Â Â Â Â Â Â Â Â Â Â Â Â Â 
>CONTAINS ACETIC ACID
>
>
>PERMATEX #598B, Black, Hi-Temp RTV Silicone Gasket Maker IS SUITABLE and
>
>
>Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 
>DOES _NOT_ CONTAIN ACETIC ACID
>
>
>73,
>
>
>Tom Hammond   N0SS
>
>
>
>
>At 00:30 10/23/2008, David Cutter wrote:
>
> 
>
>Cheap RTVs such as used in bathroom sealant
>has a vinegar smell and will attack copper.  In a small confined
>space inside a radio that's not good.  In an open outdoor
>environment where the gas can escape it's not such a problem.  Dow
>Corning and others make RTVs with benign contents, but at a considerable
>increase in cost.  
>
>Â 
>
>Surface mount components have practically
>no exposed copper and pcb tracks are not exposed, so, I wonder whether
>the acetic acid attacks the tin coated contacts.
>
>Â 
>
>David
>
>G3UNA
>
>
>
>----- Original Message ----- 
>
>
>From: Bob 
>
>
>To: mzilmer at verizon.net
>
>
>
>Cc:
>elecraft at mailman.qth.net
>
>
>
>Sent: Wednesday, October 22, 2008 7:35 PM
>
>
>Subject: Re: [Elecraft] K3 mobile
>
>
>
>OK...  May I ask why?
>
>
>
>I have seen it done in commercial products and I recently did it when
>I was assembling
>
>
>my SoftRock receivers because of my concerns with the #30 wire
>breaking.
>
>
>
>The two reasons I might think of would be any detuning effect or fear
>of the material used
>
>
>attacking the wire insulation.  
>
>
>
>Any wisdom on this subject out there?    I did not see
>or am not aware of the Elecraft
>
>
>advisory.
>
>
>
>73,
>
>
>Bob
>
>
>K2TK
>
>
>
>
>
>mzilmer at verizon.net
>wrote:
>
>
>I have seen the use of dope, sealers and so on strongly discouraged
>by Elecraft.
>
>
>matt, W6NIA
>
>
>
>
>
>Oct 22, 2008 10:30:51 AM,
>km5q at mac.com wrote:
>
>
>
>There are at least two ferrite core transformers in the K3 that are
>
>
>
>supported only by their thin wires. I'm concerned that they may not
>
>
>
>survive a mobile environment. It would take only a dab of RTV 
>
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>(silicone adhesive sealant) to secure them, but I don't know if this
>
>
>
>has been discusses or approved.
>
>
>
>Windy KM5Q
>
>
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