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From: "rijakits" <rijakits@cwpanama.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-624516@logan.com>
Subject: Re: [FlyRotary] Re: FW: Re: Plugs and Mags
Date: Sun, 20 Feb 2005 15:14:57 -0500
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Lynn, Jesse,

you metioned the Jacobs ignition.

Jacobs sold all his stuff (supposedly to go back to research...) and as far
as I know, the folks that bought the company let go of the computer and went
the MSD-spark shower route.
Do you have any knowledge of any other "Old Jacobs-style"
computer-controlled-spark ignition system on the market?

The Jacobs-Ultra-System was the only thing that kept my Suzuki Samurai
running (was using nearly more oil than fuel at that stage, imagine the
carbon situation on the plugs!:(). I tried to change to the factory setup a
couple of times just to find out if there is a difference - went from 4
cylinders to 3 to 2 and out in less than 15 seconds everytime. But the
Jacobs back on and it would run again!! (I also used Jacobs ignition wires
which stayed on for the trials...)
I guess the MSD sparkshower system is a lot cheaper to make....

Thomas Jakits


----- Original Message ----- 
From: "jesse farr" <jesse@jessfarr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Thursday, January 27, 2005 9:12 AM
Subject: [FlyRotary] Re: FW: Re: Plugs and Mags


> Now that sounds more like it.  I used to run real high compression in
> several street car drag engines back in the days when you could buy or
make
> decent fuel.  I used a spalding flame thrower (actually two four cylinder
> ignitions in one pretty red housing) with jacobs new computer stuff and
four
> mallory 6 volt marine coils. (that ought to tell you how long ago that
was)
> We could break the side electrode off the darn plug and still have fire to
> anything metal around, or yourself included if dumb enough to get too
close
> to double shielded wire the second time around. (yep, youdon't hove to ask
> how I know) I would suggest such a hot shower of spark as your double msd,
> good wiring and suggested plug setup might would cure these folks sag,
> slowdown, whatever problem. Now, all we need is for a couple fellows who
> have experienced, know what it is and when/how to recognize it to make the
> changes, try it and tell us where we can all stay in, stay warm and learn
by
> their experience. See what aging does to you. <g>
> jofarr, soddy tn
>
> ----- Original Message ----- From: <Lehanover@aol.com>
>
> > I have not seen a rotary without an MSD or some brand of high energy
> > system
> > at least on the leading in years. NASCAR requires MSD and they have a
spec
> > cannon plug required.
> >
> > TransAm and GT-1 cars use them. Nearly all rotary racers use them. You
> > must
> > use the inductive plug wires, with the MSD.
> >
> > Do you see a pattern here?
>
>
> >>  Homepage:  http://www.flyrotary.com/
> >>  Archive:   http://lancaironline.net/lists/flyrotary/List.html