Bsquared
Well Known Member
I did my first flight today in my 14A (went great) but I am home this evening reviewing the data download from the first 2 flights. With the engine at idle and no boost pump my fuel pressure is steady around 35 PSI. When I turn on the boost it spikes up to 42-45 PSI. As soon as I go to full power for take-0ff the pressure drops down to the mid 30's and when I shut off the pump it drops to 30. the Lycoming manual says 45 PSI is the high limit for the fuel servo. Are these pressures typical?