Solar Powered Air Pump From Scrap Materials

A 2.5 litre per second air pump powered directly from a photovoltaic panel, about $10 in materials.
This is going to be part of a cooling system, details on which are at: http://www.solarflower.org/?content=o...

The sound on the video isn't amazing, if there's any questions let me know. I'll be doing a more involved construction tutorial on this at some point.

Solar Powered Air Pump From Scrap Materials lowtech records bandcamp
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