On Wednesday, February 26, 2003, at 03:25 PM, John Pariseau wrote: > If I tilt my PB (fast, not slow) while it is on, and while the fan is > on, the fan can temporarily stop, and may make a few revving noises > before starting back up. This does not always happen, and is not > because of the fact that the fan is further from my ears. To an extent > I suppose this behavior can be caused by the momentum the fan has > built up, and changing the direction may be like trying to turn a > spinning gyroscope around. I think that's exactly what's happening. Now, imagine what the same movement does to your hard drive! I always move my PB slowly and evenly if I have to move it while running. Mark