I purchased my RV7a recently. It has a low pressure fuel system in a Lycombing 0-360. It was unused for nearly four years.
I had about 8 hours of use after purchase when the main fuel pump started reading low around 2 Psi. This was noted in flight after turning off the boost pump. Switching the boost pump back on brought it back to 4-5 PSI.
I replaced the main fuel pump it now makes a 5 psi without boost.
The boost pump makes about 2 PSI at cold start up.
This below the green arc. Is the boost pump working ok at 2 PSI or does it need to be higher at start up?
Thanks
Max
I had about 8 hours of use after purchase when the main fuel pump started reading low around 2 Psi. This was noted in flight after turning off the boost pump. Switching the boost pump back on brought it back to 4-5 PSI.
I replaced the main fuel pump it now makes a 5 psi without boost.
The boost pump makes about 2 PSI at cold start up.
This below the green arc. Is the boost pump working ok at 2 PSI or does it need to be higher at start up?
Thanks
Max