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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
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