Originally Posted by Dennis Harm
Hi everyone, just did my fuel flow test today as was wondering what the maximum fuel flow is at full rated power? Thanks Dennis Engine is lycoming io-390 EXP
For the IO-390A I used the following:
Lycoming YIO-390 manual states a minimum flow rate of 17.3 USG/hr is required at full power. Using max fuel rate by HP calculation results in a 18.5 USG/hr.
I used the higher rate of 18.5 gal/hr.
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