Monthly Archives: April 2013

Collet Chuck

Some of my upcoming projects need some small parts machined on my lathe. The standard 3 and 4 jaw chucks that I have just don’t hold small parts well. The other day I broke down and ordered an inexpensive Chinese … Continue reading

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Infrasonic Microphone Part I

Another sensor planed for my atmospheric observatory is an infrasonic microphone. I have a design sketched out and have started on fabricating the mechanical bits needed. So what is an infrasonic microphone  good for? The recent Chelyabinsk meteor was detected … Continue reading


Posted in Amateur Science, DIY, environmental monotoring, Machine Shop, Uncategorized | Tagged , , , , , , , | Leave a comment