Don't worry about it. The anti-oxidant will do its job with or without
metallic particles added, particularly on new, bright aluminum. The
function of the grease is to exclude oxygen; the mechanical force of the
clamp or whatever presses the metal parts into intimate electrical contact,
forcing the grease out of the way where the high spots of the metal meet.
The grease then keeps air away from the contact that has been formed. The
metal particles in the grease don't provide much in the way of electrical
contact by themselves, rather they help to break through any oxide layer
that might exist on the parent metal.
73,
geo - n4ua
On Tue, Aug 20, 2013 at 5:24 PM, <john@kk9a.com> wrote:
> One product is an anti-oxidant for electrical connections and one is to
> prevent hardware galling. Personally I would redo this before you install
> the antenna.
>
>
>
> To:TowerTalk@contesting.com
> Subject:[TowerTalk] Penetrox/Noalox vs. Anti-seize compound
> From:"Gavin J. Roberts" <robertsmg@aol.com>
> Date:Mon, 19 Aug 2013 19:49:07 -0400 (EDT)
>
> Hello, all:
>
>
> I spent a good part of this last weekend assembling a Mosley 4 element beam
> from new. Mosley supplies a small quantity of Penetrox with the antenna
> and
> encourages its liberal application during assembly. I exhausted the
> limited
> amount supplied and wanted to finish putting things together, so I headed
> for
> the local hardware store which carried an anti-seize compound called
> Permatex.
> As far as I know, this compound does not contain any particles to promote
> conductivity between the joints, but rather is more of a petroleum jelly
> based
> lubricant. Realizing this fact after finishing assembly, I ordered some
> additional Penetrox this morning from DX Engineering (they carry both
> Penetrox
> as well as Permatex). When I asked their technical support staff whether
> it
> would be wise to re-do the" Permatex-ed" joints with Penetrox before
> raising
> the beam, he seemed to feel that it would not be worth the trouble to
> substitute a more conductive material for the less conductive one. His r
> easoning was that enough bare aluminum-to-aluminum surface area would
> remain
> that the use of the Permatex was very unlikely to negatively effect antenna
> performance. Anyone have an opinion on this? Should I re-do the joints in
> question while the antenna is still on the ground? Or would this be a
> needless
> exercise at this point?
>
>
> Thanks and 73 de
>
>
> Gavin W9YE
>
> _______________________________________________
>
>
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
>
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|