Bsquared
Well Known Member
I have about 140 hrs on my 14A with the 210 hp 390. I tried a number of power and mixture settings and have settled in with what is shown on this pic from a recent x-country flight. 2400 rpm, WOT and 60 LOP at 9800 ft density altitude results in 165 kts TAS and 8.8 GPH. I can get the FF down to 8.2 GPH by reducing the power down to the 52% range but the drop in TAS doesn’t seem to make it worthwhile. For other operators of the 210 hp engine is this what you see from your airplane?
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