Hey Everybody
I've got a very basic question.
In the Lycoming IO-390 specification it states that the boost pump outlet pressure limit, when connected in series with the motor's fuel pump, is 35 psi maximum (when the motor's fuel pump is not working) and is 14 psi minimum (when the motor's fuel pump is working at maximum conditions).
I completely understand the maximum boost pump outlet pressure limit. I don't however, understand the minimum. What would happen if the boost pump provided less that 14 psi during maximum operation conditions?????
Any answers would be much appreciated.
Grubac
I've got a very basic question.
In the Lycoming IO-390 specification it states that the boost pump outlet pressure limit, when connected in series with the motor's fuel pump, is 35 psi maximum (when the motor's fuel pump is not working) and is 14 psi minimum (when the motor's fuel pump is working at maximum conditions).
I completely understand the maximum boost pump outlet pressure limit. I don't however, understand the minimum. What would happen if the boost pump provided less that 14 psi during maximum operation conditions?????
Any answers would be much appreciated.
Grubac