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The question might be at what power setting.
1. For a full throttle decent, I leave the mixture alone. Once the MP gets to 23 or 24 in, I pull it back as necessary. Every once in a while the engine will start to run rough. That means it is time to wind in some fuel.
2. For an idle decent. Who knows what happens because, who would do it?
Posted for "George Braly" <gwbraly@gami.com>:
Scott,
Could you gather a little data for me?
I know that the big bore TCM engines - - if set up properly LOP at high power at altitude, will always operate nicely with no mixture adjustment after a long descent.
But I don't have any recent experience (I owned a Mooney for 1500 hours
- - years ago <g>) with the fuel system on the Lycoming engines. What happens to your engine if you have it well LOP at altitude and then descend without adjusting the mixture and power up after a 10 or 15K foot descent ???
Regards, George
--
Lorn H. 'Feathers' Olsen, MAA, DynaComm, Corp.
248-345-0500, mailto:lorn@dynacomm.ws
LNC2, O-320-D1F, 1,100 hrs, N31161, Y47, SE Michigan
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