[Elecraft] GREAT alignment tool

[David Cutter]

Whatever happened to plastic knitting needles that we would shape?

David
G3UNA

----- Original Message ----- 
From: "Geoffrey Mackenzie-Kennedy" <gmk at gm4esd.fsworld.co.uk>
To: "Ron D'Eau Claire" <rondec at easystreet.com>
Cc: "Elecraft Discussion List" <elecraft at mailman.qth.net>
Sent: Sunday, March 25, 2007 5:13 PM
Subject: Re: [Elecraft] GREAT alignment tool


> The plastic versions which have a small blade poking out at one end and 
> recessed at the other are also useful for tweaking circuits working at HF 
> and low - mid VHF, ceramic better for higher frequencies such as 900 MHz 
> that you mention. The recessed blade makes getting proper alignment dead 
> easy and prevents the blade slipping off while tweaking.
>
> 73,
> Geoff
> GM4ESD
>
>
> Ron D'Eau Claire wrote:
>
>
> That's a FB find RC. Thanks. I have a set of ceramic screwdriver alignment
> tools I got from E.F. Johnson back in the 1980's for aligning their 900 
> MHz
> repeater transmitters used in land mobile service. They tools are great 
> but
> brittle, as you might expect from ceramic. Almost all of my blades are now
> missing a corner from failing to get them aligned exactly with a screw 
> that
> was required a bit too much torque.
>
> It is true that when the trimmer caps are properly installed in most
> circuits in Elecraft rigs, a metal screwdriver will not alter the tuning.
> The orientation is such that the screw is at d-c and signal ground.
>
> However, even when the use of a metal screwdriver doesn't change the
> adjustment, it's nice to poke at a live circuit with a non-metallic tool
> that can't short or cause other issues! And the ceramic tools are 
> invaluable
> when even the screw adjustment isn't at ground potential.
>
> Ron AC7AC
>
>
>
> -----Original Message-----
> Gang
>  I found this alignment tool and it does a super job
> of adjusting those caps in the KX1. with a 2mm flat tip
> and being ceramic it does not detune the circuits. Just
> a satisfied customer <http://www.mtechnologies.com/tools/#align>
>
> de RC KC5WA/AE
>
> _______________________________________________
> Elecraft mailing list
> Post to: Elecraft at mailman.qth.net
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>
>
> _______________________________________________
> Elecraft mailing list
> Post to: Elecraft at mailman.qth.net
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
> http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com