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Rusty Skills

I need to cut holes into a 2-inch PCV pipe. Round or square, it doesn’t matter. Holes about the size of a quarter. I need to cover those holes in a low-pressure air-tight way. I need a way to lift or drop the covers via levers, cables or something else based on a key. Preferably […]

Mechanical type people

I know the internet is full of very talented people out there. While I have done a fair amount of wood-working in my youth, when it comes to metalworking and electronics I am a bit at a loss. I have a project that involves actuating valves on 1 inch PVC piping. The piping is only […]

Hey you make-stuff type people and other science folks….

This sound file is supposedly of a pitch that should end up at about 14.5 hertz. That would be the Bb a little under an octave off the bottom of a piano. You know… a whole tone below the common 32′ pipe organ stop. Anyone got an oscillator to confirm? Or a pipe organ to […]