Re: K3/100 kit
Posted by
Geoffrey Mackenzie-Kennedy on
URL: http://elecraft.85.s1.nabble.com/K3-100-kit-tp2957648p2961355.html
Hello Dave,
I hope that your warning about the effect that a magnet can have on cores
will be noted by those who use magnetized screwdrivers to recover hardware.
To recover parts that have gone AWOL I would srongly recommend the use of an
inexpensive "Grabber" tool, which can also be used to install a screw and
lockwasher together in one shot before the screw is tightened by a
screwdriver (non magnetic). IMHO the use of magnetized tools is asking for
trouble.
73,
Geoff
GM4ESD .
Dave G4AON wrote on Saturday, May 23, 2009 6:59 AM
>I wouldn't be in a hurry to wave a strong magnet anywhere near radio
> equipment that contains ferrite or dust cores. When I worked in the
> mobile radio industry we occasionally came across a mobile that had been
> carried or stored with a magnetic mount antenna on it... The radio had
> below specification performance with no obvious fault except the
> alignment didn't seem right. The fix was to replace the cores. It's over
> 20 years since I worked on a bench repairing those radios, so I can't
> recall the type of core.
>
> Old Weller TCP irons with the magnetic switch near the tip are something
> else to watch...
>
> You might get away with it building an Elecraft kit, but I wouldn't risk
> it.
>
> 73 Dave, G4AON
> K3/100 #80
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