In a message dated 8/16/00 10:15:47 AM Eastern Daylight Time, protek@shreve.net writes: << A metal "Cup" could be placed around an acrylic tube. >> Yes, this is exactly what I would envision also... NOT to face-to-face magnets (envision one fan blowing, causing a facing fan blade to spin), but rather having them arranged like a brake shoes and drum (so to speak... if I'm making any sense here???0 Stan