This fan sits on the woodstove and when the stove gets warm, it blows the rising warmed air out into the room. No electricity, no batteries! Off the grid!
A thermocouple converts the heat to blade-spin. If the fan slows down, I know the fire needs another log.
Tech pen and w/c on Strathmore recycled drawing paper (called Windpower paper--appropriate!)
1 comment:
Being a kind of a lover of things that are metallic: gears, railroad wheels, etc. This jumps off the page right toward me. Love it!
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