[AT] Rationale for firing orders

[charlie hill]

George the 40 I used to drive had the whole distributor cap, complete with 4
holes but 2 of them were stopped up.  I just figured JD ran out of parts.
grins.

Charlie
----- Original Message ----- 
From: "George Willer" <gwill at toast.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Monday, March 22, 2004 5:18 PM
Subject: Re: [AT] Rationale for firing orders


> Dean,
>
> You're correct for a while, but then there are the other two strokes when
> nothing useful happens.  The magneto firing when there's nothing to light
> isn't really helpful.  :-)  Then there's the issue of the goofy non-red
> color... :-(
>
> My John Deere is even firing, but on the other hand, it only has one
> cylinder.  The magneto also fires every revolution, but like the bigger
> ones, half of the impulses are wasted.  The one I no longer have (yellow)
> was also even firing... but it had 3 cylinders!
>
> Just listen when a two cylinder is at slow idle...
> plunk-a-plunk-nothin'-nothin'.  :-)
>
> It's been more than 60 years since I first drove one and thought I was a
> hero.  Many years later I figured out what was going on.  Too bad they
> didn't build the whole engine.
>
> George Willer
>
> ----- Original Message ----- 
> From: "Dean VP" <deanvp at att.net>
> To: "'Antique tractor email discussion group'"
> <at at lists.antique-tractor.com>
> Sent: Monday, March 22, 2004 4:22 PM
> Subject: RE: [AT] Rationale for firing orders
>
>
> > George:
> >
> > Ah, but you conveniently left out the fact that the Magneto fires every
> time
> > the pistons hit top dead center. Put that into your equation. It's
really
> a
> > two cylinder engine that fires on every stroke!  :-) Not bad for a 4
cycle
> > engine. :-)  Too bad the 4 cylinder engineers required twice as many
> pistons
> > to generate the same HP. And then with less lugging torque to boot.
Sorry
> > folks but the JD is just a simpler and more economical design. 4
cylinder
> > engineers just didn't have any ingenuity! :-) No pun intended. :-)
> >
> > Dean A. Van Peursem
> > Snohomish, WA 98290
> >
> > CRS = Having a Photographic Memory but a shortage of unused film.
> >
> > www.deerelegacy.com
> >
> > http://members.cox.net/classicweb/email.htm
> >
> >
> > -----Original Message-----
> > From: at-bounces at lists.antique-tractor.com
> > [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of George Willer
> > Sent: Monday, March 22, 2004 11:52 AM
> > To: Antique tractor email discussion group
> > Subject: Re: [AT] Rationale for firing orders
> >
> > Frobl,
> >
> > Actually, your J.D. is neither.  I'm not sure of the correct firing
order,
> > but it is either 1-2- nothin'-nothin', or 2-1-nothin'- nothin'.  If you
> > listen carefully to the exhaust you can even hear the nothin'-nothin'
> part.
> > I think of it as firing disorder!  I wonder If they would have as
> successful
> > a collector tractor if they had eliminated the twist in the crankshaft
to
> > make them even firing, or built the other half of the engine?  After
all,
> > the Field Marshall and Lantz are hits at shows when they jump around at
> > idle.
> >
> > Most other early tractor makers actually had clever engineers that
> designed
> > their engines with each half as a mirror image of the other, so the
> engines
> > could run as they should.  :-)
> >
> > George Willer
> >
> > ----- Original Message ----- 
> > From: "Robinson" <robinson at svs.net>
> > To: "Antique tractor email discussion group"
> <at at lists.antique-tractor.com>
> > Sent: Monday, March 22, 2004 1:48 PM
> > Subject: Re: [AT] Rationale for firing orders
> >
> >
> > > Roger Welsch wrote:
> > >
> > > > Can someone help me with a brief and simple explanation of why a
> motor's
> > > > firing order wouldn't always be one-two-three-four?  My Allis WCs
are
> > > > one-two-four-three but I have no idea why....  I love to kid my
> in-laws
> > that
> > > > they've always prefered John Deere Bs because they can remember the
> > firing
> > > > order.....
> > > >
> > > > Roger
> > > >
> > >
> > >
> > >
> > > I don't know about that Rog, I am not sure if the firing order on my
> > > 1948 A is 1-2 or 2-1.    ;-)
> > >
> > >
> > > -- 
> > >
> > >
> > >
> > > "farmer"
> > >
> > > Just when I was getting used to yesterday, along came today.
> > >
> > >
> > > Francis Robinson
> > > Central Indiana USA
> > > robinson at svs.net
> > >
> > >
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