[Amps] Zener Screen Regulators

[Carl]

Ford ran a positive ground until 1956 and some GM's to 55 plus some other 
brands long gone. No corrosion build up on the battery terminals either.

Carl
KM1H



----- Original Message ----- 
From: "Al Kozakiewicz" <akozak at hourglass.com>
To: "'Bill, W6WRT'" <dezrat1242 at yahoo.com>; "AMPS" <amps at contesting.com>
Sent: Tuesday, September 04, 2012 9:00 PM
Subject: Re: [Amps] Zener Screen Regulators


> If a negative charge flows left, then a positive charge appears to flow 
> right.  Yes, only the electron "physically" moves.
>
> As I said, it's an arbitrary engineering convention, most likely born from 
> the fact that electronic equipment from the earliest days (except 1950's 
> British sports cars!) ground the negative of the power supply.
>
> Al
> AB2ZY
>
> -----Original Message-----
> From: Amps [mailto:amps-bounces at contesting.com] On Behalf Of Bill, W6WRT
> Sent: Tuesday, September 04, 2012 8:44 PM
> To: AMPS
> Subject: Re: [Amps] Zener Screen Regulators
>
> ORIGINAL MESSAGE:
> On Tue, 4 Sep 2012 20:30:43 -0400, Al wrote:
>
>>By definition, current flow is the flow of charges.
>
> REPLY:
> I agree, but there are no positive charges which flow. Only negatively 
> charged electrons flow.
>
> Ben Franklin made the original mistake long before anyone knew about 
> electrons.
> By pure 50-50 chance, he got it wrong.
>
> Why is this so hard to understand? Even more curious, why not fix it?
>
> 73, Bill W6WRT
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