On Thu, 2003-07-17 at 01:07, James Sparenberg wrote: > > > This is not the same thing. This is new bearingless technology. It > > > utilizes something called a magnetic tip. My understanding is that the > > > fan blade is suspended by a magnetic field. > > > > > Really. Interesting. Must be one heck of a magnet to handle the torque and > > thrust of the fan eh? > > Just a thought here. But if you think about it torque and thrust for > the spinning fan (assuming a constant speed) will be almost 0. If of > course it is properly balanced. In such a case it will operate just > like a gyro. (All the weight of the blades on the ends etc.) As long as > it is constantly in a single plane of operation torque and thrust are > negligible. Also like a gyro it would heavily resist any attempt to > move it off of it's plane of operation. > > James > I've got one now in my hand. The magnets that actually turn the fan are on the outside edge that joins all the blade tips together in a circle. They don't ever actually touch anything. The center point seems to be the "magnetic tip." But I can't confirm that without unscrewing stuff. I'm sorry, I really don't want to do that. :)
Anyway, the bearing type is specifically listed as being "Magnetic Tip Driven". If it were anything else it would be listed as "sealed", "ball", (both), or "sleeve". There's absolutely none of that. Plus the fan is advertised as "bearingless." LX -- 같같같같같같같같같같같같같같같같같같같같같같같� Linux Mandrake 9.1 Kernel 2.4.21-0.13mdk *Catch Star Trek Enterprise, Wednesdays on UPN* 같같같같같같같같같같같같같같같같같같같같같같같같
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