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Doug Doty
Joined: 28 Oct 2011
Posts: 33
Location: Madison In
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 Posted: Tue Nov 08, 2011 4:38 pm Post subject: Which plugs for our planes these days |
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I see listed these days a Fine Wire option and a Massive Electrode option, this may be old news but new to me, I went out to fly this evening and had a plug fouled and would not clear so was going to order a set to have available to rotate in when I am in a pinch and need to make a quick swap if this happens again. What it the best choice these days.
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_________________
1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt, stock otherwise. |
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teamgrumman(at)yahoo.com
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| Posted: Tue Nov 08, 2011 7:54 pm Post subject: Which plugs for our planes these days |
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Hi Doug,
Fine wire plugs work great . . . with one exception: Fine wire plugs are expensive.
Generally, the massive electrode plugs work just fine. Clean and gap about every 50 hours. Lean aggressively.
I would recommend that you install the REM-37BY plugs. They are extended electrode plugs similar to automotive plugs. These have less of a tendency to foul. They self-clean by exposing the electrode to the swirling gases in the combustion chamber. Non-extended electrodes bury the electrode deep in the plug. These will foul more easily.
Gary
From: Doug Doty <39marinette(at)gmail.com>
To: teamgrumman-list(at)matronics.com
Sent: Tuesday, November 8, 2011 4:39 PM
Subject: Which plugs for our planes these days
--> TeamGrumman-List message posted by: "Doug Doty" <39marinette(at)gmail.com (39marinette(at)gmail.com)>
I see listed these days a Fine Wire option and a Massive Electrode option, this my be old but new to me, I went out to fly this evening and had a plug fouled and would not clear so was going to order a set to have available to rotate in when I am in a pinch and need to make a quick swap if this happens again. What it the best choice these days.
--------
1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt, stock otherwise.
Read this topic online here:
http://forums.matrnbsp; (And bsp; * AeroElectric www.buildersbnbsp; -Matt Dralle, List ========================http://www.matronics.com/contr================
[quote][b]
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Doug Doty
Joined: 28 Oct 2011
Posts: 33
Location: Madison In
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| Posted: Tue Nov 08, 2011 8:16 pm Post subject: Re: Which plugs for our planes these days |
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Thanks Gary, I ordered a new set per your recommendation.
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_________________
1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt, stock otherwise. |
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Discover
Joined: 26 Feb 2007
Posts: 429
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| Posted: Tue Nov 08, 2011 8:37 pm Post subject: Which plugs for our planes these days |
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I have an extra box of the Champion fine wire iridium plugs. I'd take $50 each for the box
Email me direct at 923te(at)att.net
Ned
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lmassaro
Joined: 28 Sep 2010
Posts: 13
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| Posted: Wed Nov 09, 2011 6:10 am Post subject: Re: Which plugs for our planes these days |
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Ive used fine wire plugs on my Tiger for at least 4 years. Never had a bad runup, or any related plug fouling. I do run lean in the air and the ground.
They cost a (blank) load of money but I like the Ron Popeil way of "set it and forget it" aspect of them.
On a related note. I have a Cessna 172 that is a flight club rental. Students, trainers, and the like NEVER lean. I was having plug fouling issues at least once every two weeks or so. Put fine wires in that and not any issues since. In my estimate, they paid for themselves in a couple of months just in the pain and aggravation factor of having to remove and clean plugs (along with the lost revenue from the non-flights).
Changing back to the massive plugs, I believe the manufacturer matters as the plug shape on one manufacturers plug affects removal. Cant recall it, but Gary correct me if I'm wrong, that you preferred Champion.
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teamgrumman(at)yahoo.com
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| Posted: Wed Nov 09, 2011 11:02 am Post subject: Which plugs for our planes these days |
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Yes, I prefer the Champion plugs
At the 2010 Reno Air Races, I stopped by the Tempest booth; they had some new plugs they were show casing. I picked up the plug and showed Clytie (My wife) that these are the old Autolite plugs. Tempest bought the rights to make them and they still didn't fix the plug length so a shorter long extension can be used. I told her this is one plug I would never buy under any circumstance. One of the tech reps was listening; wanted to know why.
I explained to him that to reach the hex nut on the very bottom of the plug, I needed you use a longer socket. Problem is, the longer socket is difficult to use on plugs #3 & #4. He said, "Can't you can loosen the baffles and reach the plug?" I told him, "I'm sure there are hundred of work arounds to make something work that wasn't designed correctly. But, why not just install a part that fits in the first place and doesn't need to be worked around?"
Same goes for installing anything that blocks access to the plugs, e.g., MAP tubing, EGT probes/wires, CHT wires, or Air/Oil separator hoses.
I've listened to and talked to hundreds of engineers, mechanics and pilots that would never think twice to design or use something that needs to be 'worked around.' A good example is the oil pressure line on an AG5B. Read my "Dumb Design Decisions" on my web site.
From: lmassaro <lmassaro(at)tac-eng.com>
To: teamgrumman-list(at)matronics.com
Sent: Wednesday, November 9, 2011 6:10 AM
Subject: Re: Which plugs for our planes these days
--> TeamGrumman-List message posted by: "lmassaro" <lmassaro(at)tac-eng.com (lmassaro(at)tac-eng.com)>
Ive used fine wire plugs on my Tiger for at least 4 years. Never had a bad runup, or any related plug fouling. I do run lean in the air and the ground.
They cost a (blank) load of money but I like the Ron Popeil way of "set it and forget it" aspect of them.
On a related note. I have a Cessna 172 that is a flight club rental. Students, trainers, and the like NEVER lean. I was having plug fouling issues at least once every two weeks or so. Put fine wires in that and not any issues since. In my estimate, they paid for themselves in a couple of months just in the pain and aggravation factor of having to remove and clean plugs (along with the lost revenue from the non-flights).
Changing back to the massive plugs, I believe the manufacturer matters as the plug shape on one manufacturers plug affects removal. Cant recall it, but Gary correct me if I'm wrong, that you preferred Champion.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=357346#357346
http://www.matronics.com/contribut===============
[quote][b]
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jwellum(at)AOL.COM
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| Posted: Wed Nov 09, 2011 11:54 am Post subject: Which plugs for our planes these days |
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This seems very strange to me. I just installed a set of Tempest plugs in our tiger with no problems accessing them.
In a message dated 11/9/2011 1:03:13 P.M. Central Standard Time, teamgrumman(at)yahoo.com writes:
| Quote: | Yes, I prefer the Champion plugs
At the 2010 Reno Air Races, I stopped by the Tempest booth; they had some new plugs they were show casing. I picked up the plug and showed Clytie (My wife) that these are the old Autolite plugs. Tempest bought the rights to make them and they still didn't fix the plug length so a shorter long extension can be used. I told her this is one plug I would never buy under any circumstance. One of the tech reps was listening; wanted to know why.
I explained to him that to reach the hex nut on the very bottom of the plug, I needed you use a longer socket. Problem is, the longer socket is difficult to use on plugs #3 & #4. He said, "Can't you can loosen the baffles and reach the plug?" I told him, "I'm sure there are hundred of work arounds to make something work that wasn't designed correctly. But, why not just install a part that fits in the first place and doesn't need to be worked around?"
Same goes for installing anything that blocks access to the plugs, e.g., MAP tubing, EGT probes/wires, CHT wires, or Air/Oil separator hoses.
I've listened to and talked to hundreds of engineers, mechanics and pilots that would never think twice to design or use something that needs to be 'worked around.' A good example is the oil pressure line on an AG5B. Read my "Dumb Design Decisions" on my web site.
From: lmassaro <lmassaro(at)tac-eng.com>
To: teamgrumman-list(at)matronics.com
Sent: Wednesday, November 9, 2011 6:10 AM
Subject: TeamGrumman-List: Re: Which plugs for our planes these days
--> TeamGrumman-List message posted by: "lmassaro" <lmassaro(at)tac-eng.com (lmassaro(at)tac-eng.com)>
Ive used fine wire plugs on my Tiger for at least 4 years. Never had a bad runup, or any related plug fouling. I do run lean in the air and the ground.
They cost a (blank) load of money but I like the Ron Popeil way of "set it and forget it" aspect of them.
On a related note. I have a Cessna 172 that is a flight club rental. Students, trainers, and the like NEVER lean. I was having plug fouling issues at least once every two weeks or so. Put fine wires in that and not any issues since. In my estimate, they paid for themselves in a couple of months just in the pain and aggravation factor of having to remove and clean plugs (along with the lost revenue from the non-flights).
Changing back to the massive plugs, I believe the manufacturer matters as the plug shape on one manufacturers plug affects removal. Cant recall it, but Gary correct me if I'm wrong, that you preferred Champion.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=357346#357346
sp; -nics.com/contribution" target="_blank">http://www.matronics.com/contribut===============
|
[quote][b]
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tscott165(at)cableone.net
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| Posted: Wed Nov 09, 2011 2:56 pm Post subject: Which plugs for our planes these days |
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I have them in my plane also without any access problems.
From: owner-teamgrumman-list-server(at)matronics.com [mailto:owner-teamgrumman-list-server(at)matronics.com] On Behalf Of jwellum(at)AOL.COM
Sent: Wednesday, November 09, 2011 12:51 PM
To: teamgrumman-list(at)matronics.com
Subject: Re: Re: Which plugs for our planes these days
This seems very strange to me. I just installed a set of Tempest plugs in our tiger with no problems accessing them.
In a message dated 11/9/2011 1:03:13 P.M. Central Standard Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: |
Yes, I prefer the Champion plugs
At the 2010 Reno Air Races, I stopped by the Tempest booth; they had some new plugs they were show casing. I picked up the plug and showed Clytie (My wife) that these are the old Autolite plugs. Tempest bought the rights to make them and they still didn't fix the plug length so a shorter long extension can be used. I told her this is one plug I would never buy under any circumstance. One of the tech reps was listening; wanted to know why.
I explained to him that to reach the hex nut on the very bottom of the plug, I needed you use a longer socket. Problem is, the longer socket is difficult to use on plugs #3 & #4. He said, "Can't you can loosen the baffles and reach the plug?" I told him, "I'm sure there are hundred of work arounds to make something work that wasn't designed correctly. But, why not just install a part that fits in the first place and doesn't need to be worked around?"
Same goes for installing anything that blocks access to the plugs, e.g., MAP tubing, EGT probes/wires, CHT wires, or Air/Oil separator hoses.
I've listened to and talked to hundreds of engineers, mechanics and pilots that would never think twice to design or use something that needs to be 'worked around.' A good example is the oil pressure line on an AG5B. Read my "Dumb Design Decisions" on my web site.
From: lmassaro <lmassaro(at)tac-eng.com>
To: teamgrumman-list(at)matronics.com
Sent: Wednesday, November 9, 2011 6:10 AM
Subject: Re: Which plugs for our planes these days
--> TeamGrumman-List message posted by: "lmassaro" <lmassaro(at)tac-eng.com (lmassaro(at)tac-eng.com)>
Ive used fine wire plugs on my Tiger for at least 4 years. Never had a bad runup, or any related plug fouling. I do run lean in the air and the ground.
They cost a (blank) load of money but I like the Ron Popeil way of "set it and forget it" aspect of them.
On a related note. I have a Cessna 172 that is a flight club rental. Students, trainers, and the like NEVER lean. I was having plug fouling issues at least once every two weeks or so. Put fine wires in that and not any issues since. In my estimate, they paid for themselves in a couple of months just in the pain and aggravation factor of having to remove and clean plugs (along with the lost revenue from the non-flights).
Changing back to the massive plugs, I believe the manufacturer matters as the plug shape on one manufacturers plug affects removal. Cant recall it, but Gary correct me if I'm wrong, that you preferred Champion.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=357346#357346
http://www.matronics.com/contribut===============
[url=http://www.homebusp;%20 %20 %20 %20 %20 %20 %20-Matt%20Dralle,%20List%20Admin.%3cbr%3e;%20%20--%3e%0d%0asp;%20 %20 %20 %20 %20 %20 %20 %20 %20 %20 %20-nics.com/contribution] [/url] |
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90123456789012
[quote][b]
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Doug Doty
Joined: 28 Oct 2011
Posts: 33
Location: Madison In
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| Posted: Wed Nov 09, 2011 3:15 pm Post subject: Re: Which plugs for our planes these days |
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After cleaning up my REM40E's I found 4 fairly nice condition and 4 older so I actually ordered 4 of the 38BY's and will put them in the bottom for now to see how things go and then change the tops at annual if going well. According to logs all were new 430 hours ago and have been cleaned and regapped 4 times, but some definatly showed more wear than others.
I had some lead showing in 3-4 of the set of 8 but the real culprit was some oil on the bottom plug in #2 when it was stumbling yesterday and did not run up as expected.
Gary, can you confirm from experience which plugs are driven by which magneto on our tigers. I'll be trying to find it else where but feeling completely beat after work tonight. Maybe a little maint. Manual reading will revive me.
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_________________
1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt, stock otherwise.
Last edited by Doug Doty on Wed Nov 09, 2011 4:55 pm; edited 1 time in total |
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Doug Doty
Joined: 28 Oct 2011
Posts: 33
Location: Madison In
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| Posted: Wed Nov 09, 2011 4:23 pm Post subject: Re: Which plugs for our planes these days |
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Found it, left mag. fires the lower left spark plugs of cylinders 2 and 4 and the top spark plugs of the right side cylinders of 1 and 3 The right mag. .....I guess that is obvious now.
I use association to remember so that would go for me anyway,
left-lower-left
I know they are two top and two bottom per mag. Just helps to know where to look if a particular mag left or right acts up and plugs are suspect.
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_________________
1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt, stock otherwise. |
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teamgrumman(at)yahoo.com
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| Posted: Wed Nov 09, 2011 6:27 pm Post subject: Which plugs for our planes these days |
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if they are the 37BY then they short.
the other plugs, 38s/40s, have a longer reach to the nut. If you need to bend the baffles out of the way, AT ALL, then the socket is too long.
I can get a socket AND my torque wrench onto the plug without moving the baffle.
If you like the long plugs, I have a whole bunch of new ones I'll make you a great deal on.
From: "jwellum(at)AOL.COM" <jwellum(at)AOL.COM>
To: teamgrumman-list(at)matronics.com
Sent: Wednesday, November 9, 2011 11:51 AM
Subject: Re: Re: Which plugs for our planes these days
This seems very strange to me. I just installed a set of Tempest plugs in our tiger with no problems accessing them.
In a message dated 11/9/2011 1:03:13 P.M. Central Standard Time, teamgrumman(at)yahoo.com writes:
| Quote: | Yes, I prefer the Champion plugs
At the 2010 Reno Air Races, I stopped by the Tempest booth; they had some new plugs they were show casing. I picked up the plug and showed Clytie (My wife) that these are the old Autolite plugs. Tempest bought the rights to make them and they still didn't fix the plug length so a shorter long extension can be used. I told her this is one plug I would never buy under any circumstance. One of the tech reps was listening; wanted to know why.
I explained to him that to reach the hex nut on the very bottom of the plug, I needed you use a longer socket. Problem is, the longer socket is difficult to use on plugs #3 & #4. He said, "Can't you can loosen the baffles and reach the plug?" I told him, "I'm sure there are hundred of work arounds to make something work that wasn't designed correctly. But, why not just install a part that fits in the first place and doesn't need to be worked around?"
Same goes for installing anything that blocks access to the plugs, e.g., MAP tubing, EGT probes/wires, CHT wires, or Air/Oil separator hoses.
I've listened to and talked to hundreds of engineers, mechanics and pilots that would never think twice to design or use something that needs to be 'worked around.' A good example is the oil pressure line on an AG5B. Read my "Dumb Design Decisions" on my web site.
From: lmassaro <lmassaro(at)tac-eng.com>
To: teamgrumman-list(at)matronics.com
Sent: Wednesday, November 9, 2011 6:10 AM
Subject: TeamGrumman-List: Re: Which plugs for our planes these days
--> TeamGrumman-List message posted by: "lmassaro" <lmassaro(at)tac-eng.com (lmassaro(at)tac-eng.com)>
Ive used fine wire plugs on my Tiger for at least 4 years. Never had a bad runup, or any related plug fouling. I do run lean in the air and the ground.
They cost a (blank) load of money but I like the Ron Popeil way of "set it and forget it" aspect of them.
On a related note. I have a Cessna 172 that is a flight club rental. Students, trainers, and the like NEVER lean. I was having plug fouling issues at least once every two weeks or so. Put fine wires in that and not any issues since. In my estimate, they paid for themselves in a couple of months just in the pain and aggravation factor of having to remove and clean plugs (along with the lost revenue from the non-flights).
Changing back to the massive plugs, I believe the manufacturer matters as the plug shape on one manufacturers plug affects removal. Cant recall it, but Gary correct me if I'm wrong, that you preferred Champion.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=357346#357346
http://www.matronics.com/contribut===============
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teamgrumman(at)yahoo.com
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| Posted: Wed Nov 09, 2011 6:31 pm Post subject: Which plugs for our planes these days |
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Mags cover their asses.
Right mag: Bottom plugs right side, top plugs left side
Left mag: Bottom plugs left side, top plugs right side.
From: Doug Doty <39marinette(at)gmail.com>
To: teamgrumman-list(at)matronics.com
Sent: Wednesday, November 9, 2011 3:15 PM
Subject: Re: Which plugs for our planes these days
--> TeamGrumman-List message posted by: "Doug Doty" <39marinette(at)gmail.com (39marinette(at)gmail.com)>
After cleaning up my REM40E's I found 4 fairly new and 4 older so I actually ordered 4 of the 38BY's and will put them in the bottom for now to see how things go and then change the tops at annual if going well.
I had some lead showing in 3-4 of the set of 8 but the real culprit was some oil on the bottom plug in #2 when it was stumbling yesterday and did not run up as expected.
Gary, can you confirm from experience which plugs are driven by which magneto on our tigers. I'll be trying to find it else where but feeling completely beat after work tonight. Maybe a little maint. Manual reading will revive me.
--------
1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt, stock otherwise.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=357366#357366www.aeroelectric.com[b]http
[quote][b]
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teamgrumman(at)yahoo.com
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| Posted: Wed Nov 09, 2011 6:33 pm Post subject: Which plugs for our planes these days |
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How do you get a torque wrench onto the #3 and #4 top plugs?
From: Scott Boyce <tscott165(at)cableone.net>
To: teamgrumman-list(at)matronics.com
Sent: Wednesday, November 9, 2011 2:52 PM
Subject: RE: Re: Which plugs for our planes these days
I have them in my plane also without any access problems.
From: owner-teamgrumman-list-server(at)matronics.com [mailto:owner-teamgrumman-list-server(at)matronics.com] On Behalf Of jwellum(at)AOL.COM
Sent: Wednesday, November 09, 2011 12:51 PM
To: teamgrumman-list(at)matronics.com
Subject: Re: Re: Which plugs for our planes these days
This seems very strange to me. I just installed a set of Tempest plugs in our tiger with no problems accessing them.
In a message dated 11/9/2011 1:03:13 P.M. Central Standard Time, teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com) writes:
| Quote: | Yes, I prefer the Champion plugs
At the 2010 Reno Air Races, I stopped by the Tempest booth; they had some new plugs they were show casing. I picked up the plug and showed Clytie (My wife) that these are the old Autolite plugs. Tempest bought the rights to make them and they still didn't fix the plug length so a shorter long extension can be used. I told her this is one plug I would never buy under any circumstance. One of the tech reps was listening; wanted to know why.
I explained to him that to reach the hex nut on the very bottom of the plug, I needed you use a longer socket. Problem is, the longer socket is difficult to use on plugs #3 & #4. He said, "Can't you can loosen the baffles and reach the plug?" I told him, "I'm sure there are hundred of work arounds to make something work that wasn't designed correctly. But, why not just install a part that fits in the first place and doesn't need to be worked around?"
Same goes for installing anything that blocks access to the plugs, e.g., MAP tubing, EGT probes/wires, CHT wires, or Air/Oil separator hoses.
I've listened to and talked to hundreds of engineers, mechanics and pilots that would never think twice to design or use something that needs to be 'worked around.' A good example is the oil pressure line on an AG5B. Read my "Dumb Design Decisions" on my web site.
From: lmassaro <lmassaro(at)tac-eng.com>
To: teamgrumman-list(at)matronics.com
Sent: Wednesday, November 9, 2011 6:10 AM
Subject: Re: Which plugs for our planes these days
--> TeamGrumman-List message posted by: "lmassaro" <lmassaro(at)tac-eng.com (lmassaro(at)tac-eng.com)>
Ive used fine wire plugs on my Tiger for at least 4 years. Never had a bad runup, or any related plug fouling. I do run lean in the air and the ground.
They cost a (blank) load of money but I like the Ron Popeil way of "set it and forget it" aspect of them.
On a related note. I have a Cessna 172 that is a flight club rental. Students, trainers, and the like NEVER lean. I was having plug fouling issues at least once every two weeks or so. Put fine wires in that and not any issues since. In my estimate, they paid for themselves in a couple of months just in the pain and aggravation factor of having to remove and clean plugs (along with the lost revenue from the non-flights).
Changing back to the massive plugs, I believe the manufacturer matters as the plug shape on one manufacturers plug affects removal. Cant recall it, but Gary correct me if I'm wrong, that you preferred Champion.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=357346#357346
http://www.matronics.com/contribut===============
|
0123456789 | Quote: | | [url=http://www.homebusp;%20 %20 %20 %20 %20 %20 %20-Matt%20Dralle,%20List%20Admin.%3cbr%3e;%20%20--%3e%0d%0asp;%20 %20 %20 %20 %20 %20 %20 %20 %20 %20 %20-nics.com/contribution]tp://www.aeroelectric.com/">www.aeroelectric.com[/url] |
0 | Quote: | | [url=http://www.homebusp;%20 %20 %20 %20 %20 %20 %20-Matt%20Dralle,%20List%20Admin.%3cbr%3e;%20%20--%3e%0d%0asp;%20 %20 %20 %20 %20 %20 %20 %20 %20 %20 %20-nics.com/contribution]tp://www.aeroelectric.com/">www.aeroelectric.com[/url] |
1 | Quote: | | [url=http://www.homebusp;%20 %20 %20 %20 %20 %20 %20-Matt%20Dralle,%20List%20Admin.%3cbr%3e;%20%20--%3e%0d%0asp;%20 %20 %20 %20 %20 %20 %20 %20 %20 %20 %20-nics.com/contribution]tp://www.aeroelectric.com/">www.aeroelectric.com[/url] |
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3 | Quote: | | [url=http://www.homebusp;%20 %20 %20 %20 %20 %20 %20-Matt%20Dralle,%20List%20Admin.%3cbr%3e;%20%20--%3e%0d%0asp;%20 %20 %20 %20 %20 %20 %20 %20 %20 %20 %20-nics.com/contribution]tp://www.aeroelectric.com/">www.aeroelectric.com[/url] |
4 | Quote: | | [url=http://www.homebusp;%20 %20 %20 %20 %20 %20 %20-Matt%20Dralle,%20List%20Admin.%3cbr%3e;%20%20--%3e%0d%0asp;%20 %20 %20 %20 %20 %20 %20 %20 %20 %20 %20-nics.com/contribution]tp://www.aeroelectric.com/">www.aeroelectric.com[/url] |
5 | Quote: | | [url=http://www.homebusp;%20 %20 %20 %20 %20 %20 %20-Matt%20Dralle,%20List%20Admin.%3cbr%3e;%20%20--%3e%0d%0asp;%20 %20 %20 %20 %20 %20 %20 %20 %20 %20 %20-nics.com/contribution]tp://www.aeroelectric.com/">www.aeroelectric.com[/url] |
6 | Quote: | | [url=http://www.homebusp;%20 %20 %20 %20 %20 %20 %20-Matt%20Dralle,%20List%20Admin.%3cbr%3e;%20%20--%3e%0d%0asp;%20 %20 %20 %20 %20 %20 %20 %20 %20 %20 %20-nics.com/contribution]tp://www.aeroelectric.com/">www.aeroelectric.com[/url] |
7 | Quote: | | [url=http://www.homebusp;%20 %20 %20 %20 %20 %20 %20-Matt%20Dralle,%20List%20Admin.%3cbr%3e;%20%20--%3e%0d%0asp;%20 %20 %20 %20 %20 %20 %20 %20 %20 %20 %20-nics.com/contribution]tp://www.aeroelectric.com/">www.aeroelectric.com[/url] |
8 | Quote: | | [url=http://www.homebusp;%20 %20 %20 %20 %20 %20 %20-Matt%20Dralle,%20List%20Admin.%3cbr%3e;%20%20--%3e%0d%0asp;%20 %20 %20 %20 %20 %20 %20 %20 %20 %20 %20-nics.com/contribution]tp://www.aeroelectric.com/">www.aeroelectric.com[/url] |
90123456789012
3
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Doug Doty
Joined: 28 Oct 2011
Posts: 33
Location: Madison In
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| Posted: Wed Nov 09, 2011 6:41 pm Post subject: Re: Which plugs for our planes these days |
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Wow !!! That is great... "mags cover their asses" I'll change to that for remembering.
...
I found the below text in a FAQ section on another site and believe it was originally published by Champion, I found it interesting and worth the read.
...
" Operating temperature of the spark plug insulator core nose is one factor that governs formation of troublesome combustion deposits. To help overcome this problem, selection of spark plugs with the proper heat range should be made. Spark plugs are susceptible to carbon deposits when the operating temperature of the core nose insulator is at or below 800o F, but an increase of just 100o F is sufficient to eliminate formation of these deposits. Also, lead deposits form because the bromide scavenger contained in tetraethyl lead is nonactive at low temperatures. At 900o F temperature, the bromide scavenger is fully activated, disposing of lead deposits with combustion gases during exhaust cycle. In this case, an increase of just 100o F was sufficient to make the difference between a smooth and rough running engine. To eliminate or keep this problem at a minimum, avoid prolonged idling at low RPM, avoid power-off let downs, and after flooded starts run engine at medium RPM before taxiing. "
Doug...
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1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt, stock otherwise. |
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flyv35b(at)minetfiber.com
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| Posted: Thu Nov 10, 2011 6:25 am Post subject: Which plugs for our planes these days |
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On 11/9/2011 6:30 PM, Gary Vogt wrote:
| Quote: | How do you get a torque wrench onto the #3 and #4 top plugs?
|
I don't have a problem with Unison (now Tempest) plugs. I typically use
a universal joint at the plug socket and then an extension that extends
past the baffle. You can install the socket on the plug and then put
the wrench on the socket.
Gary said:
"I explained to him that to reach the hex nut on the very bottom of the
plug, I needed you use a longer socket. Problem is, the longer socket
is difficult to use on plugs #3 & #4."
Depends on what socket you are using. I don't know about a Champion
plug socket but here is a photo of both plug types side by side and a
Craftsman and a Wright socket. The plugs are the same length but the
hex is closer to the thread end on the Tempest plug. But the short
Wright socket will engage either plug to the same level as shown in the
other photo. It actually goes on the Tempest plug about 1/16" further.
If you had an even shorter socket it would work better with the Champion
plug or you could chuck the Wright socket in a lath and shorten it about
3/8" and have more clearance with the Champion plug. But I don't know
of a socket that is any shorter than the Wright and hence they both work
the same. Any longer socket will be problematic on BOTH plugs.
Cliff
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BARRY CHECK 6
Joined: 15 Mar 2011
Posts: 738
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| Posted: Thu Nov 10, 2011 9:30 am Post subject: Which plugs for our planes these days |
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Cliff:
I took the problem one step further. I took the Plug with the LOW mounted hex and a deep socket. I then used a CUT-OFF wheel to shorten the SOCKET to the minimum height to fit the plug.
Then as OWNER ASSISTED Annuals would have it - - - This fellow who was handing me tools ALL THE TIME, got tired of searching for 1/2' Drive and 3/8" Drive and 1/4" Drive Ratchet Handles - So he gave me a gift of ONE RATCHET with ALL three drives. It is the size of a standard 3/8" Drive and works on 97.98% of the engine & baffling configurations I work on.
Sorry - No pictures with me... Will try to remember to take them this weekend.
Barry
On Thu, Nov 10, 2011 at 9:21 AM, flyv35b <flyv35b(at)minetfiber.com (flyv35b(at)minetfiber.com)> wrote:
[quote]On 11/9/2011 6:30 PM, Gary Vogt wrote:
| Quote: | How do you get a torque wrench onto the #3 and #4 top plugs?
|
I don't have a problem with Unison (now Tempest) plugs. I typically use a universal joint at the plug socket and then an extension that extends past the baffle. You can install the socket on the plug and then put the wrench on the socket.
Gary said:
"I explained to him that to reach the hex nut on the very bottom of the plug, I needed you use a longer socket. Problem is, the longer socket is difficult to use on plugs #3 & #4."
Depends on what socket you are using. I don't know about a Champion plug socket but here is a photo of both plug types side by side and a Craftsman and a Wright socket. The plugs are the same length but the hex is closer to the thread end on the Tempest plug. But the short Wright socket will engage either plug to the same level as shown in the other photo. It actually goes on the Tempest plug about 1/16" further.
If you had an even shorter socket it would work better with the Champion plug or you could chuck the Wright socket in a lath and shorten it about 3/8" and have more clearance with the Champion plug. But I don't know of a socket that is any shorter than the Wright and hence they both work the same. Any longer socket will be problematic on BOTH plugs.
Cliff
[b]
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