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Engine slightly Rough/Stumble when LOP?


Flymac

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2 hours ago, Flymac said:

Yep, see 2nd graph i had posted above right after the ground mag check graph

Ok, got it. Can you post a link to this flight on Savvy? You don't have to post a link to all the flights, just copy the link in the browser address line when viewing the specific flight in SavvyAnalysis. Like this.

247962469_ScreenShot2019-03-25at8_56_30AM.thumb.png.6021f5cf6c3f549720c77c7dec4d4de6.png

 

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Posted to Savvy: https://www.savvyanalysis.com/flight/3059779/d58d1342-106c-4897-9a76-4896a17e41ac

I put all the labels on the posted picture just to help see what happened when, but I know its harder not to be able to freely zoom/scroll, so for the savvy graph:

29min: LOP #1, 33min: LOP #2, 38min LOP #3 with the LOP mag test right after from 40-42min.

Per the other questions: all are fine wire plugs, pretty new with only ~130hrs on all of them.

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7 hours ago, gsxrpilot said:

Lycoming's recommendation really isn't very good. Savvy, APS, Deakin, et.al. are all much better and more accurate.

It's actually quite good and will put you easily at a happy place LOP that even the manufacturer endorses.   It also helps make the point that if it's leaned to rough and richening it up a little bit helps, that's probably a better operating point for the current conditions.

 

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