[R-390] R-390 Digest, Vol 121, Issue 21

[Pete Williams]

REF KNOBS....looks  good Dave  but I would like​ a bit more 'meat' on the
bushing that the clamp fits  around.. The  adhesive  to hold the  metal
bush in the  knob I mentioned in my first submission is LOCKTITE and  comes
in several types and Google  will tell you all. Apparently the  blue is
the  most tenacious and its holding  ability is increased with the
closeness of the fit of the  two parts  being bonded. This is  apparently
a function of  how  cyanoacrylates  work so effectively.
Cheers
Pete VK3IZ


On Sun, May 25, 2014 at 2:00 AM, <r-390-request at mailman.qth.net> wrote:

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>    1. Re: How are your knobs ? (quartz55)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Fri, 23 May 2014 18:20:34 -0400
> From: quartz55 <quartz55 at hughes.net>
> To: "R-390 at mailman.qth.net" <R-390 at mailman.qth.net>
> Subject: Re: [R-390] How are your knobs ?
> Message-ID: <537FC9B2.3070205 at hughes.net>
> Content-Type: text/plain; charset=UTF-8; format=flowed
>
> Got the bit today. Just hand drilled it with the Milwaukee.  Had to cut
> off some of the bushing, expected, but of course I cut off .1" too much,
> but I'm going to try it anyhow.  Cut it off by chucking the bushing in
> the drill and using a hacksaw while drilling, pretty easy. Then I used
> the good end to cut the slots with the same hacksaw.  Pretty quick.  I
> cleaned everything with brake cleaner (so there won't be a long thread
> about acetone), dried it with the heat gun and made up the glue, so I'll
> give it 2 days to cure.  I put the clamp on so it wouldn't fall down in
> too much.
>
>
> http://i251.photobucket.com/albums/gg287/DogTi/R390A/bushing_zps532eb123.jpg
>
>
> http://i251.photobucket.com/albums/gg287/DogTi/R390A/knobglued_zps35c9bfdb.jpg
>
> Dave
>
>
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> End of R-390 Digest, Vol 121, Issue 21
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