[Elecraft] Loose Handle on K3

[Mike Fatchett]

  Nylock nuts are a possible solution as well.  Maybe not in the K3 but 
I use them more and more especially on antennas where there are 
vibrations etc.

Mike W0MU

On 8/23/2010 9:55 AM, Ron D'Eau Claire wrote:
> Sometimes a locking compound is simply the most practical solution. Most of
> the electronics equipment used in WWII had either locking compound on the
> screws, safety wires in the nuts, or both. Any OT who has pulled apart a
> WWII ARC-5 was greeted with a sea of little red spots on every fastener
> inside!
>
> There are times when the extra margin of safety is worth the effort. A dab
> of nail polish is a benign and effective way to add that extra protection
> that easily crumbles and falls off when the screw is removed. OTOH, I avoid
> locking compounds such as Loc-Tite. That stuff slowly dissolves many
> plastics, entirely destroying whatever it touches over a period of weeks and
> months.
>
> I've not had a K3 handle screw come loose, but the design is such that you
> do *not* want to over-tighten the hardware. That will compress the handle
> covers so they squeeze against the handle strap and prevent it from moving
> to lie flat against the side of the K3 when it's not in use.
>
> Ron AC7AC
>
> -----Original Message-----
> I hope not. The world would fall apart as we know it.
>
> Locking compounds are never necessary to lock with the correct hardware and
> materials. That's why wheel lug nuts stay tight even when threads are
> greased, and why oil soaked engine and transmission bolts stay tight even
> when spun, stressed, and vibrated.
>
> When a small screw comes loose it is because of a material problem (like
> selection of the wrong locking hardware) or tightening error. Locking
> compounds make up for other mistakes or shortfalls like too tight or too
> loose or bad hardware. If we can't fix the real problem, then we should use
> them.
>
> 73 Tom
>
>
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