Today's Message Index:
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1. 03:25 AM - Re: CJ6 parts (maggieannya)
2. 10:04 AM - Re: Re: Automotive Plugs and Prop Gov Setup For M14P (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
3. 01:48 PM - Re: Automotive Plugs and Prop Gov Setup For M14P (barryhancock)
4. 02:34 PM - Re: Re: Automotive Plugs and Prop Gov Setup For M14P (Bitterlich, Mark G CIV Det Cherry Point, MALS-14 64E)
5. 03:33 PM - Electronic Ignition? (Cpayne)
6. 08:50 PM - Re: Automotive Plugs and Prop Gov Setup For M14P (Dale)
Message 1
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We have hot offer for CJ -6 aircraft as following:
DZ-5 spark plugs
400*150 Tyres and inner tube
500*150 Tyres and inner tube
QSF-2A air selectors
Any interesting ,pls feel free to contact me(annya_2008@yahoo.com.cn)
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http://forums.matronics.com/viewtopic.php?p=302785#302785
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| Subject: | Re: Automotive Plugs and Prop Gov Setup For M14P |
At a gap of .018 to .021 (with the much cheaper plugs that I use) along
with the 8mm Taylor Wire ignition harness that I am using from Dennis
Savareese ... It has NO problem starting hot or cold, the plugs are so
cheap that you can replace them without a second thought, and even
though I don't need to, I do it anyway every Conditional Inspection. I
have seen and tested this installation on over a dozen M-14's.
Not to say that Dennis's kit is any better than your kit, or vice-versa
(although his was first). There is nothing wrong with using Iridium
plugs on an M-14, and they are without a doubt a very good spark plug.
That said, I have NO experience running them on an M-14 radial, or any
radial for that matter (and yes, I know you do). My own PERSONAL
opinion is that due to the tendency to foul plugs due to accumulated oil
in the cylinders, which seems to be common in these engines, spark plugs
will tend to eventually foul. That said, I would rather use a cheaper
but reliable plug and change them more often, than use a extremely long
lasting plug that is more expensive and do the opposite. It's just a
matter of personal opinion Barry and I am not recommending one over the
other.
That said, what gap a particular spark plug uses to achieve best
performance varies from one plug to the next and one installation to the
next. If we really want to get maximum performance out of ANY of these
plugs, we need to think about replacing one of our mags with a
Capacitive Discharge system. Something I am actually working on if you
are interested!
Mark Bitterlich
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of barryhancock
Sent: Sunday, June 27, 2010 1:25 AM
Subject: Yak-List: Re: Automotive Plugs and Prop Gov Setup For M14P
--> <bhancock@worldwidewarbirds.com>
That's interesting, our ignition harness with the iridium plugs has no
problems with the gap at the factory .032 setting. Easiest starts (hot
or cold) and best running set up I've seen.... One of our planes with
this is planning to be at OSH, if you'd like to see it for yourself.
Happy Flying,
Barry
--------
Barry Hancock
Worldwide Warbirds, Inc.
(909) 606-4444
www.worldwidewarbirds.com
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http://forums.matronics.com/viewtopic.php?p=302648#302648
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| Subject: | Re: Automotive Plugs and Prop Gov Setup For M14P |
Hi Mark,
Thanks for your thoughts. There is a total of over 2000 hrs. running the set up
we use with zero fouling problems. The plugs are $9/ea. Even if you use new
plugs every 100 hours (not at all necessary) that's under $200 to replace all
of 'em.
FWIW,
Barry
--------
Barry Hancock
Worldwide Warbirds, Inc.
(909) 606-4444
www.worldwidewarbirds.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=302879#302879
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| Subject: | Re: Automotive Plugs and Prop Gov Setup For M14P |
Roger that Barry. Thanks for the info.
Question: You have run one engine 2000 hours on one set of plugs?
Really? Or do you mean you have multiple sets in multiple airplanes
that in total have accumulated over 2000 hours? Not sure how to read
what you said there, sorry.
Rog on $9 x $18 = $162 That's still cheap compared to Russian Plugs,
that's a fact!
A set of 18 for the ones I use costs about $35
Just to let you know where I am coming from, let me please repeat what I
have said before on this forum, and that is that I come from a drag
racing mentality set. In that world, we index the plugs and in most
cases pull them out and replace them after EVERY RUN! That's typically
when running nitrous.
However, I want to be clear to anyone and everyone that reads what I am
saying here that I am NOT claiming that the experience gained in that
world translates over to the engines we use in THIS world in every case.
In some cases FAR FROM IT! However, old habits die hard. For a closed
loop electronic fuel injection, computer compensated engine, I would
jump all over iridium plugs. For a (more or less) basic WW-II aircraft
design, (and by that I mean the technology used in it, not the date it
was assembled) I tend to look hard at what is to be gained with plugs
that cost more than 4 times than the ones I am using that already
provide the service I am looking for.
I am not sure how to quantify or qualify the advantage to be gained
(versus the price differential) between iridium element plugs, and those
with standard designs. I'd love to see hard data on how to go about
determining that versus non-scientific collection methods that tend to
result in personal opinions. Mine, yours or anyone else's!
My personal opinion is that money would be much better spent by EVERYONE
in coming up with an electronic ignition system that can be used in one
or both mags so as to avoid the problem in replacing magneto coils, or
at least reducing the number we need. Let me say that in my experience,
fouling of spark plugs is much less an issue of the element type in the
spark plug (be it iridium, platinum, or whatever else). Those exotic
materials usually relate more to the LIFE of the spark plug due to much
slower element erosion, than to overall performance WHEN COMPARED TO HOW
HOT THE SPARK IS TO BEGIN WITH.
My gut feeling is that iridium plugs (or any plug) would be much more at
home with a multiple spark discharge system running at a much higher
voltage with a better ramp than what we get with mags, which is why that
is the direction I am currently headed.
So, summation: I am not knocking iridium plugs. I am sure they work
GREAT! But I feel we need a better ignition system for a really
measurable performance improvement.
Mark Bitterlich
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of barryhancock
Sent: Monday, June 28, 2010 4:48 PM
Subject: Yak-List: Re: Automotive Plugs and Prop Gov Setup For M14P
--> <bhancock@worldwidewarbirds.com>
Hi Mark,
Thanks for your thoughts. There is a total of over 2000 hrs. running
the set up we use with zero fouling problems. The plugs are $9/ea.
Even if you use new plugs every 100 hours (not at all necessary) that's
under $200 to replace all of 'em.
FWIW,
Barry
--------
Barry Hancock
Worldwide Warbirds, Inc.
(909) 606-4444
www.worldwidewarbirds.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=302879#302879
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| Subject: | Electronic Ignition? |
Sooo, when all you guys install either Barry's or Mark's electronic ignition, throw
them old magnetos my way so I can "recycle" them...
Craig Payne
Message 6
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| Subject: | Re: Automotive Plugs and Prop Gov Setup For M14P |
iridium plugs have the smallest cross section area from the core to the electrode
wire giving it the least fowling area of all plugs. Less places to have stuff
get stuck. NGK racing information web site talks about all their plugs.
The more electrodes the more chance for fowling. The smaller the gap the more
chance for fowling if it's going to fowl. I found NGK iridium plugs for $7.oo
on line at several places. They work great.
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