This is the truth. It has been published for decades and has been verified by other third party entities who thought it was bogus data, but it is true.
The gerotor pump also has output that is more like big gulps and not a smooth flow.
Again, anything you can do to increase area on the suction side of the pump is time and money well spent. Especially when the RPM's go up past 6000. This is true of almost any constant flow hydraulic system.
Most of what is done after the filter is gilding the lily.
