[ARC5] 10 meter BC-454 - instability possibly found.

[WA5CAB at cs.com]

Pull a slug out of a junker.

In a message dated 02/12/2013 17:59:26 PM Central Standard Time, 
kgordon2006 at frontier.com writes: 
> First of all, I must commend Mike's coil dope formula: it is very 
> excellent stuff. I painted a 
> layer of it on the HFO coil and it hardened to a very clear, thik coating 
> that looks and feels 
> very solid.
> 
> However, that wasn't the most important discovery I made today: the slug 
> in the oscillator coil 
> is loose as a goose. It literally wobbles around on its threaded shaft. 
> Clearly, the least 
> movement of the receiver would cause the slug to move, thereby changing 
> the frequency to 
> which it is tuned.
> 
> I haven't yet decided how I am going to tighten it without simply gluing 
> it in place.
> 
> It took 14 complete turns to remove it, BTW.
> 
> I am thinking about attempting to embed a bit of rubber-band in the 
> threads, or 
> beeswax...maybe I can let a drop of Super Glue, or a very thin layer of 
> it, harden on the 
> threads, after which I can re-install the slug by putting a drop of 
> Acetone inside the slug and 
> screwing it on quickly.
> 
> Suggestions cheerfully accepted.
> 
> Ken W7EKB

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480