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Ground Leaning of aircraft
I performed a search on leaning and didn't find a good answer, so I'll ask here.
When I was learning to fly, I was thought during run up to lean the aircraft until maximum RPM was reached and as soon as the RPM started to drop off, you enriched the mixture about 1 inch. When I finally started to use an EGT, it was lean to max temperature, then enriched about 50-100 degree. I still use similar method before my mag check, which works out pretty well.
I have tested this method and during take off, fuel flow end up being about 11 gph. However, from the plaque in my aircraft, it list take off at 6000 feet should be about 14 gph. I normally push the mixture levers to equal the 14 during take off roll, just incase.
Has anyone else run into this discrepancy, do you leave the mixture at the setting determined by ground leaning?
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