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Posted
On 10/22/2022 at 8:17 AM, Hank said:

 

Huh. I paid $1600-something to have a failed magneto repaired must before the pandemic. It looked pretty new upon return, and failed again in 3.2 hours . . . . Internal wires were cut by the spinning gear. Quick, right, cheap:  pick any two. The repair took three weeks . . . Sometimes you just can't win.

Yikes - curious what shop.  I think I paid ~900 for an overhaul exchange Bendix right mag from Aircraft Magneto Service in Montana around the same time, shipped within a couple days, stellar customer service.  I think they're a very well regarded shop.

Posted
8 hours ago, DXB said:

Yikes - curious what shop.  I think I paid ~900 for an overhaul exchange Bendix right mag from Aircraft Magneto Service in Montana around the same time, shipped within a couple days, stellar customer service.  I think they're a very well regarded shop.

They are the best 

Posted
20 hours ago, jetdriven said:

They are the best 

Too bad they’re on your side of the border!  Buying with a 38% exchange rate hurts.

Posted

It was discovered during an annual that I had a center electrode missing from my fine wire tempest plug.  It was not that old.  Told tempest about it at Sun N Fun 2019.  The executive there gave me a new plug on the spot and asked me to send him my address and he would give me 8 new replacements. And I had to send the old ones to them  This was a while ago so I forgot the exact exchange we had.

I did get all new plugs from them and they admitted that the plugs I had which were installed around 2015 time frame were made by a third party and the plugs he then gave me were made in-house.  Said they were having quality control issues with the third party and decided to do it themselves.  This was around 2019 ish time frame.....

here is the contact info I had from 2019:

Greg Ehrlich, Aero Accessories 

Technical Support Specialist

1240 Springwood Ave.

Gibsonville, NC. 27249

336 449 5054

Posted
On 10/26/2022 at 1:32 AM, M20Doc said:

Buying with a 38% exchange rate hurts.

Try $1 for 5 PLN and 23% VAT added at the border, not to mention insane shipping ;)

Posted
4 hours ago, tmo said:

Try $1 for 5 PLN and 23% VAT added at the border, not to mention insane shipping ;)

Yes, I’d say that’s a lot worse than here, it makes 13% tax seem like a bargain.

Posted
On 10/17/2022 at 1:22 PM, Shadrach said:

None of that matters to a 75hr plot departing with a DA of ~9000ft and a full rich mixture.   I wish there was ADS-B info available.  With 8500' of runway, one wonders if he just mushed along for 1.6 miles of runway before putting it in a field. 

 

Clearly that flight didn't start with 160 horsepower.   All I know is a C172M at sea level will only climb at 300 or 400 fpm with one mag inop (switch not returned to both) and that's not at max GW.

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Posted

The engine on my M20J ran rough today. I pulled the plugs and two of the bottom fine wired (URHM38S) had the center probe burnt of, if that is the correct phrase. I installed them in January 2019 and flew 183 hours on them. I will contact Tempest to see if they can offer a credit on new ones.

Posted
5 minutes ago, Beard said:

The engine on my M20J ran rough today. I pulled the plugs and two of the bottom fine wired (URHM38S) had the center probe burnt of, if that is the correct phrase. I installed them in January 2019 and flew 183 hours on them. I will contact Tempest to see if they can offer a credit on new ones.

Do you have a picture of what a center probe burned off looks like?

Posted

Two pictures of center probe gone. There are three plugs in the pictures. The two on the right have the damage and the one on left does not and is there for comparison.

Fine wires straight on.jpg

Fine wires top down.jpg

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Posted

I had thought the mode of cylinder destruction from a bad plug was pre-ignition, at least the mode we are warned against as a reason for checking plugs, worrying about protruding helicoils, cracked insulators etc. 

Repeating what I've read, NOT a mechanic... PP thoughts only. 

Posted
7 hours ago, Beard said:

Two pictures of center probe gone. There are three plugs in the pictures. The two on the right have the damage and the one on left does not and is there for comparison.

Fine wires straight on.jpg

Fine wires top down.jpg

Thanks for the pictures now i got to go check mine for burned off center post as well. 

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