|Project by haskins||posted 01-23-2016 09:25 PM||1767 views||7 times favorited||4 comments|
credit to David Winigrad for the concept (see his link above for example sound and motion)
The beads fall on one side and ascend on the other (each bead making a noise against the plates)
ran across this on you tube and had to make one. The sound and motion from it are cool. The bead noise is proportional to wind speed.
Construction: the blades are old blind slats the rest of the wood was scrap. The metal rod/shaft is a knitting needle from walmart. The string is spiderwire (fishing line). A little tricky getting everything glued up right. We had to make a tablesaw jig to cut the angles for the blades in the center hub. Its been spinning in the front yard for a few months now and seems to have survived some good storms. Used plastic tubes for spacers. Balanced fan blades by moving them around before glue was applied.
-- father son woodworks