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Engine Running Rough
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mlas(at)cox.net
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PostPosted: Tue Feb 20, 2007 5:30 pm    Post subject: Engine Running Rough Reply with quote

Frank.

The airplane engine didn't quit. The CHT's and EGT's went off the chart
and the engine couldn't make enough power to maintain altitude. At the
time the plane was in the high mountains in east AZ.

Mike

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neal.george(at)mchsi.com
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PostPosted: Tue Feb 20, 2007 6:05 pm    Post subject: Engine Running Rough Reply with quote

Steve -

I must disagree. I called EMagAir last week to ask some unrelated questions
about the EMag and PMag that are hanging on my engine. After answering my
questions (harness related) and discussing the background, I asked Brad to
tell me what he knew about this incident. He explained that they had
examined and tested the suspect units and could not duplicate the failure on
the test stand. If I understood him correctly, rather than send the suspect
units back to the owner, he kept them for further testing and returned new
PMags.

I find that refreshing and distinctly responsible, rather than typical and
disturbing.
And I'm keeping my EMag/PMag setup (unless I find a wad of $20s in the
laundry that will allow me to upgrade to twin PMags).

Neal
RV-7 N8ZG
_still_ wiring
Neal E. George
2023 Everglades Drive
Navarre, FL 32566
Home - 850-515-0640
Cell - 850-218-4838


--> <s_korney(at)hotmail.com>

To the best of my knowledge you are correct. One of the P-mags came off
time for some unknown reason.....

That's not good to hear.....If they knew the reason, they could fix it....If
they don't know the reason .... Well, then what?

Best... Steve


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frank.hinde(at)hp.com
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PostPosted: Wed Feb 21, 2007 6:52 am    Post subject: Engine Running Rough Reply with quote

Thanks for the clarification Mike.

Seems our Pmag issues were pretty much identical then.

Frank

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mlas(at)cox.net
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PostPosted: Wed Feb 21, 2007 6:58 am    Post subject: Engine Running Rough Reply with quote

Well, when we ran the airplane on the side of the road for 30 minutes we
couldn't duplicate the problem, everything was working great. So we
flew it out thinking it was fuel ice, the airplane pressed on to
Phoenix. It wasn't until the third flight that it happened again (as
explained to me). Just because you can't duplicate a failure on the
bench doesn't mean it didn't happen. One thing to always remember with
certified stuff, if it fails there is an AD in your future. We are the
AD process in the experimental world. Turn key operators need not apply.

Mike Larkin

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Float Flyr



Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland

PostPosted: Wed Feb 21, 2007 9:13 am    Post subject: Engine Running Rough Reply with quote

Electronics techs call then Intermittent problems....very hard to diagnose.

Noel

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