[Shotimes] bosch platinum +4's

[Paul L Fisher]

Isn't this all assuming that all 4 prongs are exactly the same distance from
the center electrode? If one prong was 1 mil closer to the center, wouldn't
it get the majority of the work?


Paul L Fisher

Visit my website: http://www.paul-fisher.com
SHOClub Member: http://www.shoclub.com
Amsoil dealer: http://www.paul-fisher.com/oil


-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Hartberger, Jason M. AT3 (AW)
Sent: Wednesday, April 06, 2005 3:57 PM
To: 'Ian Fisher'; Zach Leahy; Paul L Fisher
Cc: BOB FISHER; SHO
Subject: RE: [Shotimes] bosch platinum +4's

Electricity does take the path of least resistance, yes, but when
electricity has to flow through multiple paths to get to the same point, it
flows through each prong with the same voltage, and current is divided among
the four prongs with resistance determining each prong's share. In a series
circuit, current is the same and voltage varies, in a parallel circuit
voltage remains constant and current varies.

---$----$----$-----
  15V  15V  15V    =45v total (now keep in mind that 45 volts is being put
out and each resistor is sucking up 15 volts)
  1A    1A   1A    =1A total (A=amp)

   |--$--|    15V			1A			(pretend the
vertical lines are connecting to the central line)
------$-----  15V             1A
   |--$--|	  15V             1A
		  =15V total	=3A total

Now, for the final part of the lesson: series resistance in a parallel
circuit is lower than straight series resistance. SO, if you have one
resistor of 15 ohms, your resistance is gonna be 15 ohms. If you have 2
resistors in parallel (like the bottom picture) of 15 ohms each, the total
resistance is 7.5 ohms. the math gets somewhat weird, but for two resistors
of equal resistance in parallel, the series resistance is halved. And, if
you know ohm's law, you'll know that Current is directly proportional to
voltage and inversely proportional to resistance. Which means if your
resistance goes down (the voltage is only seeing the series resistance), the
current goes up, and you get more current from the same voltage.

And that, folks, is why people put 4 prongs on a spark plug. any questions?

and no, it's really not going to make a difference on a car like a SHO. A
ford GT, maybe, but not a SHO.

Jason

God, I hope it all shows up the same way I typed it...


-----Original Message-----
From: Ian Fisher [mailto:dataflash@yahoo.com]
Sent: Wednesday, April 06, 2005 3:47 PM
To: Zach Leahy; Paul L Fisher
Cc: BOB FISHER; SHO
Subject: Re: [Shotimes] bosch platinum +4's


I never understood the concept anyway. Doesn't
electricity follow the path of least resistance? ie,
the current is only going to flow to one prong, not
four?

Ian


--- Zach Leahy <leahyz@gmail.com> wrote:
> On Apr 6, 2005 2:28 PM, Paul L Fisher
> <sho@paul-fisher.com> wrote:
> > BMWCCA says to stay away from them. I've heard
> anecdotal evidence that they
> > suck as well.
> 
> 
> Agreed, the general consnsus around here it they are
> not anything
> special.  Will they work, yeah probably.  Are you
> throwing extra
> dollars away, yeah probably.  They may fit, but
> expect no gain in
> performance.  Save the $, buy the motorcrafts.
> 
> Z
> 


		
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