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I'll qualify what I'm about to say by stating that the Space Shuttle was made of over a million parts, all of them made by the lowest bidder.

My plenum is in the hands of a machine shop that made parts for the Space Shuttles. They said it would be no problem to make durable, non-binding and fairly tight bushings for the unit. We'll see...

My brother knows the owner from them both being parents of kids on a soccer team. My bro is an aeronautical/astronautical engineer by education, so it took me a while to explain it to him. Kidding.

John B.
does he have a slide ruler in a pocket protector ???? and a heath kit catalog ???

it dosent have to be surrounded by water to be an island