[Fot] Accusump

[Randall]

>  without the check valve, some of the charge is going to want to back
> up
> through the pump, so it is reducing the effectiveness of the thing...

But the pump is positive displacement, right?  So oil can only go backwards
through it by leaking through the clearances, which hopefully are fairly
small?

Plus, it's going to be running at the time, so any oil that leaks back into
the intake will likely get sucked through the pump and stuffed back into the
galleries?

This is outside my experience, so I'm just asking questions.  But I still
don't understand the need for the check valve, and since it was brought up
...

-- Randall