[rotorwrench]

The John Regan design has two Shottky type diodes inside to act as a one way current device (cut out). Two of them allows for enough flow and as a back up in case one fails. It would be a shame if any of the sources of these regulator devices dries up.

With the current health situation and problematic relations with the Peoples Republic of China, there may be some difficulties in sourcing supplies of electronic components that may be manufactured by them. Not as much electronic stuff is available as there used to be.