Four....One to hold the lamp and three to rotate the amplifier. Boatanchors
are heavy you know.
73s de Jim
W5IFP
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]On
> Behalf Of Carl
> Sent: Tuesday, June 19, 2012 8:05 AM
> To: Gudguyham@aol.com
> Cc: amps@contesting.com
> Subject: Re: [Amps] filament instant heating query / simple remedy
>
>
> Some of these rather silly ideas makes me wonder how many hams
> does it take
> to replace a pilot light?
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: <Gudguyham@aol.com>
> To: <wlfuqu00@uky.edu>; <jerry@tr2.com>; <jimw7ry@gmail.com>
> Cc: <gm3sek@ifwtech.co.uk>; <amps@contesting.com>
> Sent: Sunday, June 17, 2012 11:26 AM
> Subject: Re: [Amps] filament instant heating query / simple remedy
>
>
> > Hey Bill I got an idea, it's simple and probably the best way to go.
> > Using a small 5A variac connected to a 1RPM mini motor with a stop
> > connected to
> > the rotation angle where the filament voltage is exactly 5v
> for a 3-500z.
> > When you turn the switch on the motor slowly ramps up the
> line voltage in
> > one minute to the perfect 5v mark and shuts off. This does
> 2 things, it
> > slowly ramps up the filament voltage to avoid transients and
> also sets
> > the
> > perfect voltage as well.
> >
> >
> > In a message dated 6/17/2012 11:19:09 A.M. Eastern Daylight Time,
> > wlfuqu00@uky.edu writes:
> >
> > KISS. Keep It Simple S*****.
> > 73
> > Bill wa4lav
> >
> >
> > At 09:39 AM 6/17/2012 -0700, Jerry Kaidor wrote:
> >
> >> >
> >> > Just put a resistor in line switched with a relay! This
> is not rocket
> >> > science!
> >> >
> >>*** Nowadays, a PIC and associated circuitry might be cheaper than a
> >>resistor and a relay. Amazing times we live in. And yeah,
> it does get
> >>to
> >>the point where you're just playing with technology. But
> isn't fun the
> >>name of the game?
> >>
> >> - Jerry Kaidor
> >>
> >>
> >>
> >>
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> >
> > -----
> > No virus found in this message.
> > Checked by AVG - www.avg.com
> > Version: 10.0.1424 / Virus Database: 2433/5078 - Release
> Date: 06/18/12
> >
>
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