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Kellym
Joined: 10 Jan 2006
Posts: 1706
Location: Sun Lakes AZ
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 Posted: Thu Dec 31, 2009 9:12 pm Post subject: Automotive Spark Plugs |
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I check resistance every annual. It is best indicator of whether a plug
is still good. Also a lot cheaper than those big Champion blaster/tester
rigs.
I'd use electronic with auto plugs on a non-turbo aircraft engine...for
50% of plugs, and mags with aircraft plugs for the other half. Throw the
auto plugs away every annual, unless evidence pointed towards their
being good for more life.
John Cox wrote:
| Quote: |
For those who frequent OSH seminars, Champion is often conducting Educational Seminars that can be both informative and entertaining. Then you can take what they say with a grain of salt. The Aviation plug is designed and constructed for an entirely more reliable purpose than automotive. If there were only as many aviation plugs in use as Asian manufactured automotive we might see the competitive forces of price make that subject a Non Issue. There is a big increase in consumable cost. As a youth, when I was drag racing, I had three sets of entirely different plugs for atmospheric changes on the track. We called that a Pit Stop.
Mikes post was about cost/benefit.
TBO: The original Rotax TBOs were down around 1,000 hours now they are improving to match Lyco/Continental. Turbo powered engines create additional needs on the plug design and the TBO reflects the Trade Off of additional power output yet I have never seen a plug properly rotated, cleaned, gapped and not dropped that went 2,000 TBO... maybe 1000 hours.
Rick, when you get back from the airport can you tell us which plug to buy? The Champion Go/No Go gage included a measure of when the anode of the plug has sacrificed enough metal to no longer have enough mass to continue reliably in service (between Annuals - I mean Conditionals). Plugs should be matched for reliability and performance for the environment they operate and the source of power they are provided. Last week there was discussion of blast tubes to the Mag without discussion on when pressurized mags provide additional value - that is another subject. The tubes discussed were for cooling the Mag case and reducing the failure rate of the condenser inside.
Till you have seen an auto plug blow out, an anode burn off, an improper heat range plug or the damage from a decaying magneto, or the failure of an electronic ignition system you just have not experienced all the fun that is out there for us all.
The decision of cost/benefit is not in VANS hands, it is in the many choices we make as the Manufacturer and the QC that we put on our product before the name goes on. I have respect for both the workmanship of Rick's and Don's aircraft. To me it's not about the $40,000. A close friend once said "When the engine stops in flight, a fire breaks out or you fly without gas.... The aircraft is instantly the property of the insurance company and your estate." Bob Hoover said " It is the job of every good pilot to fly the aircraft to the landing site, walk away with all the passengers that were onboard and assess your estate value over a stiff drink". Sully was this year's hero for following to a T that exact mantra. I have lost a few friends over the years who tried to do the impossible or cut a corner or two while traveling life's highway. Let's have another year of no lost RV-10s or their pilots.
Here is a question for New Years Eve - "How many of you check the resistance of your plugs at each annual?"
John Cox
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Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
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msausen
Joined: 25 Oct 2007
Posts: 559
Location: Appleton, WI USA
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| Posted: Fri Jan 01, 2010 6:04 am Post subject: Automotive Spark Plugs |
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I recall at least 3 OSH’s now where I have heard “soon”. You can wait for the 6cyl pMag, which may or may not be as buggy as the current and past models, or you can choose one of a couple others that are fairly well proven and have had most of the bugs sprayed with RAID.
Michael
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Carl Froehlich
Sent: Thursday, December 31, 2009 6:45 PM
To: rv10-list(at)matronics.com
Subject: RE: Re: Automotive Spark Plugs
Wait for the 6 cylinder pMag….
Carl Froehlich
Previous dual Lightspeed owner on my 8A (450 total hours with many problems). I now run dual pMags on the 8A (100 trouble free hours so far) and will put them on my RV-10.
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Jim
Sent: Thursday, December 31, 2009 6:17 PM
To: rv10-list(at)matronics.com
Subject: RE: Re: Automotive Spark Plugs
Robin,
We have used IO540-C4B5. We are running a Lightspeed Plasma III on the left side and the original mag on the right side. I have the automotive plugs in the top of the cylinders and the aircraft mag plugs on the bottom. We start on the electronic ignition. RPM drop on the mags only is much higher than the electronics only mode.
Waiting with plans to upgrade the right mag to a P-Mag or E-Mag if they ever get them done for the 540 series. But may also end up just installing a second Lightspeed when the mag finally give up.
Working well for us.
Jim C (N312F - Doing the first condition inspection now in a COLD hanger!)
Do Not Archive
--------------------------------------------------------------------------------------------------------------------
--> RV10-List message posted by: "Robin Marks" <robin1(at)mrmoisture.com>
As I have only had Dual Mags on now 9 different planes what do people use
with one electronic and one Mag? Automotive plugs on the electronic and
Aviation plugs on the Mag?
Robin
| Quote: | | www.aeroelectric.comwww.buildersbooks.comwww.homebuilthelp.comwww.howtocrimp.comhttp://www.matronics.com/contributionhttp://www.matronics.com/Navigator?RV10-Listhttp://forums.matronics.com |
01http://www.matronics.================[/b] [/quote]2href="http://forums.matronics.com">http://forums.matronics.com</=====[/b] [/quote]3
[quote][b]
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dmaib(at)mac.com
Guest
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| Posted: Fri Jan 01, 2010 9:10 am Post subject: Automotive Spark Plugs |
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I talked to them at Sun n' Fun last April. What they told me was that they were working on certification for the six cylinder P-Mag and elected not to release an uncertified version until the certified version is approved. They do plan on offering the uncertified version as well as the certified one. I am happy with my Lightspeed/Mag setup, but will definitely take a look at the 6 cyl. P-Mag when it is released.
David Maib
40559
Flying
On Jan 1, 2010, at 9:00 AM, RV Builder (Michael Sausen) wrote:
I recall at least 3 OSH’s now where I have heard “soon”. You can wait for the 6cyl pMag, which may or may not be as buggy as the current and past models, or you can choose one of a couple others that are fairly well proven and have had most of the bugs sprayed with RAID.
Michael
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Carl Froehlich
Sent: Thursday, December 31, 2009 6:45 PM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: RE: Re: Automotive Spark Plugs
Wait for the 6 cylinder pMag….
Carl Froehlich
Previous dual Lightspeed owner on my 8A (450 total hours with many problems). I now run dual pMags on the 8A (100 trouble free hours so far) and will put them on my RV-10.
From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com (owner-rv10-list-server(at)matronics.com)] On Behalf Of Jim
Sent: Thursday, December 31, 2009 6:17 PM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: RE: Re: Automotive Spark Plugs
Robin,
We have used IO540-C4B5. We are running a Lightspeed Plasma III on the left side and the original mag on the right side. I have the automotive plugs in the top of the cylinders and the aircraft mag plugs on the bottom. We start on the electronic ignition. RPM drop on the mags only is much higher than the electronics only mode.
Waiting with plans to upgrade the right mag to a P-Mag or E-Mag if they ever get them done for the 540 series. But may also end up just installing a second Lightspeed when the mag finally give up.
Working well for us.
Jim C (N312F - Doing the first condition inspection now in a COLD hanger!)
Do Not Archive
--------------------------------------------------------------------------------------------------------------------
--> RV10-List message posted by: "Robin Marks" <robin1(at)mrmoisture.com (robin1(at)mrmoisture.com)>
As I have only had Dual Mags on now 9 different planes what do people use
with one electronic and one Mag? Automotive plugs on the electronic and
Aviation plugs on the Mag?
Robin
01http://www.matronics.================2href="http://forums.matronics.com">http://forums.matronics.com3
4
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