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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>
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