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Engine Running Rough
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mlas(at)cox.net
Guest

Posted: Tue Feb 20, 2007 5:30 pm Post subject: Engine Running Rough

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
Guest

Posted: Tue Feb 20, 2007 6:05 pm Post subject: Engine Running Rough

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
Guest

Posted: Wed Feb 21, 2007 6:52 am Post subject: Engine Running Rough

Thanks for the clarification Mike.



Seems our Pmag issues were pretty much identical then.



Frank 



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mlas(at)cox.net
Guest

Posted: Wed Feb 21, 2007 6:58 am Post subject: Engine Running Rough

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

Posted: Wed Feb 21, 2007 9:13 am Post subject: Engine Running Rough

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



Noel



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_________________
Noel Loveys
Kitfox III-A
Aerocet 1100 Floats

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