[TowerTalk] Rotator Control Bulbs

[Mike Wetzel]

I have both Ham-M and T2X plastic rotator boxes, both types started melting
with the original lamps.  What I did was to find a similar lamp that drew
slightly less current (less heat) and also was a slightly higher voltage
(say 28.8 versus 28.0) this stopped the melting and gave me longer lamp life
(with slightly less brightness).  I don't have the numbers with me right now
but can supply them if someone wishes in a week or so.

Mike W9RE



> -----Original Message-----
> From: owner-towertalk@contesting.com
> [mailto:owner-towertalk@contesting.com]On Behalf Of Stan or Patricia
> Griffiths
> Sent: Thursday, May 03, 2001 3:33 PM
> To: alsopb; Towertalk (E-mail)
> Subject: Re: [TowerTalk] Rotator Control Bulbs
>
>
> Hi Brian,
>
> No doubt, you are right about those plastic cases being on Ham-M only.
> Anyway, I had one that melted ! !
>
> Stan
> w7ni@easystreet.com
>
> alsopb wrote:
>
> > Stan,
> >
> > I've never seen the plastic case control boxes for any other use than
> > HAMm's.
> >
> > Have had several 2's, 3's and 4's here and they all had metal cases
> > control boxes.  These units all have meter indication 100% on the
> > time.  Apparently, only the Ham-m control boxes had to be modified for
> > such.  Made such a mod back in 1960 along with brake delay to a Ham-m
> > box.
> >
> > 73 de Brian/K3KO
> >
> > Stan or Patricia Griffiths wrote:
> > >
> > > The Ham-M, Ham II, and Ham III used brown (sometimes black)
> > > plastic boxes for housing the control unit, I believe.  I
> > > any case, I have one of those cases  with a couple of melted
> > > places where the bulbs are.  Now I suspect that some of the
> > > higher powered bulbs were installed and heated the case to
> > > the melting point . . . something to consider when choosing
> > > replacement bulbs.
> > >
> > > I just happened to remember that I had modified those
> > > control units to indicate direction all of the time so those
> > > bulbs were lit 100% of the time.
> > >
> > > Stan
> > > w7ni@easystreet.com
> > >
> > > List Sponsor:  ChampionRadio.com - Trylon self-supporting towers,
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