Edwards and Feed Pump VIdeoz

Here’s a better video (with iffy commentary) showing the feed and air pumps (and alternator) drive in action.

The Edwards pump is working, but I’m not sure that the flap valves are holding pressure (as it seems to have to start from atmospheric on each stroke…) but clearly the ball valves on the feed pumps are very sound (they actually hold 50psi for hours)…..

enjoy…

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