[AT] grounded coil

Mark Greer greerfam at raex.com
Wed Aug 29 18:21:53 PDT 2007


On the diagram from the Howstuffworks website the coil is grounded on the
negative side but downstream of the ignition module.

----- Original Message ----- 
From: "charlie hill" <chill8 at suddenlink.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Wednesday, August 29, 2007 5:46 PM
Subject: Re: [AT] grounded coil


> Thanks Larry,  I figured that was the case.  I just couldn't find his name
> mentioned anywhere......even on the How Stuff Works web site.  Probably if
I
> was confused someone else was too.
>
> The remainder of this is for Larry and anyone else that might be
interested
> in NCSU and or US Military spying.  If you're not then stop reading here.
>
> Larry,  this goes back to the spring of my Freshman year (if I'm
remembering
> correctly).  To set the scene the year would have been 1969.  If you
> remember how things were back then, every freshman engineering student was
> loaded down with big books and on certain days with a portable drawing
board
> and a big old 23 scale slide rule (mine was a Post Versalog and I still
have
> it.  I think most guys had a K&E).  In addition almost everyone had a copy
> of the News & Observer folded up under their arm.
>
> On this particular morning I walked into the engineering building and into
> my 2nd semester graphics and analytical geomertry class and deposited my
> books, drawing board, etc. onto the table and proceeded to read the N&O
> along with most of the rest of the class.   The headline that morning was
> about the N. Koreans capturing the USS Pueblo.  The instructor was
retired
> US Navy Lt. Commander Houck (not sure about the spelling) who was an EE.
He
> walked in and said:  I know that the question in everyone's mind is,  "Is
it
> or isn't it a spy ship?"  He continued,  I can assure you it is a spy
ship.
> I designed (or maybe helped design) the equipment aboard it.
>
> No point to the story.  Just an interesting side note that at the time
made
> me realize the connection between NC State and things that go on in the
> world.  Being from a small tobacco farming community and being in school
in
> what was at the time a small city, I had never before realized the scope
of
> where I was and who was teaching me.
> At the time NC State did not even have University status.
>
> Charlie
> ----- Original Message ----- 
> From: "Larry D Goss" <rlgoss at evansville.net>
> To: "Antique tractor email discussion group"
<at at lists.antique-tractor.com>
> Sent: Wednesday, August 29, 2007 5:04 PM
> Subject: Re: [AT] grounded coil
>
>
> > Marshall Brain invented the Howstuffworks website.  Ron referenced a
page
> > on
> > that website about automotive ignition.  Marshall is a personal friend
of
> > mine.  He and I have both been recognized by North Carolina State
> > University
> > because of contributions we have made that NCSU thinks are significant.
> > That's how he got into this.  But both of us still put on our pants one
> > leg
> > at a time.  :-)
> >
> > Larry
> >
> > ----- Original Message ----- 
> > From: "charlie hill" <chill8 at suddenlink.net>
> > To: "Antique tractor email discussion group"
> > <at at lists.antique-tractor.com>
> > Sent: Wednesday, August 29, 2007 2:45 PM
> > Subject: Re: [AT] grounded coil
> >
> >
> >> Ok now I'm confused.  Who is Marshall Brian and how did he get in this
> >> fight?  LOL.
> >>
> >> Charlie
> >> ----- Original Message ----- 
> >> From: "Larry D Goss" <rlgoss at evansville.net>
> >> To: "Antique tractor email discussion group"
> >> <at at lists.antique-tractor.com>
> >> Sent: Wednesday, August 29, 2007 4:11 PM
> >> Subject: Re: [AT] grounded coil
> >>
> >>
> >>> Well, I don't want to get into a rock throwing contest.  Marshall
Brain
> >>> is
> >>> a
> >>> nice guy and we're both members of the same club sponsored by NCSU
> >>> (literally), but everything that appears in his website is not
> >>> universal.
> >>> I
> >>> still stand by my statement that some ignition coils HAVE to be ground
ed
> >>> to
> >>> operate.  Just because you haven't come across any, doesn't mean they
> >>> don't
> >>> exist or even that they're rare.
> >>>
> >>> Larry
> >>>
> >>> ----- Original Message ----- 
> >>> From: <RonMyers at wildblue.net>
> >>> To: "Antique tractor email discussion group"
> >>> <at at lists.antique-tractor.com>
> >>> Sent: Wednesday, August 29, 2007 1:13 PM
> >>> Subject: Re: [AT] grounded coil
> >>>
> >>>
> >>>> Got to this site and you will see that the coil case is not grounded.
> >>>> this
> >>>> one has a n electronic model to replace the points other than that
its
> >>>> the
> >>>> same all of the cars trucks and tractors that use this type of
system.
> >>>>
> >>>> Ron
> >>>>
> >>>> http://auto.howstuffworks.com/ignition-system.htm
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> AT mailing list
> >>>> http://www.antique-tractor.com/mailman/listinfo/at
> >>>>
> >>>
> >>>
> >>> _______________________________________________
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> >>>
> >>>
> >>> -- 
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> >>> Checked by AVG Free Edition.
> >>> Version: 7.5.484 / Virus Database: 269.12.10/977 - Release Date:
> >>> 8/28/2007
> >>> 4:29 PM
> >>>
> >>>
> >>
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> >
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8/28/2007
> > 4:29 PM
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>
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