By L. Paul Verhage View In Digital Edition
I’m always on the look-out for neat stuff to do. So, when Mike Manes of EOSS posted over the GPSL* email list that Harbor Freight had discounted a vacuum pump that might be suitable for near space testing, I couldn’t resist. My creation takes near space testing to new lows and represents a unique use for an air-tight flour container that the manufacturer surely hadn’t intended.
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200909 Near Space Download