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PA28-161 WOT LOP

PT20J

By PT20J
in General Mooney Talk

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PT20J Grand Master

PT20J

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Posted

For all you LOP fans, I dug this out of the archives. It's from the POH for a Piper Warrior powered by a Lycoming carburetored O-320 with a fixed-pitch prop. Turns out the mixture distribution was so even that it would run LOP and they put the procedure in the manual.  And you thought all this stuff was new.

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carusoam Grand Master

carusoam

Posted
Posted

15 seconds allowed to get through the red box...

That is a pretty interesting read for a 1982 carbed engine...

No EGT being mentioned, the rpm of the fixed pitch prop gets used in its place...  rpm rise similar to a Mooney’s shutdown procedure...

Thanks for sharing that doc, Skip.

Best regards,

-a-

PT20J Grand Master

PT20J

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21 minutes ago, carusoam said:

 rpm rise similar to a Mooney’s shutdown procedure

RPM rise will be as the mixture passes best power

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