GMasterman writes:

At a recent OTC show in Houston, SWACO, a oilfield services
contractor, was showing off a mud centrifuge with a unique drive
system. It consisted of a flywheel with rare earth magnets mounted on
it and a solid copper flywheel opposite it. The closer the rotating
magnetic flywheel gets to the copper flywheel, the more rotational
energy is transfered. With the two flywheels close together, both
would spin at the same speed. As they were seperated the driven
flywheel would slow down, and with enough gap, completely stop. No
energy comsumed to operare as a variable speed tranny and clutch.

Sure sounds like boob bait. No energy consumed, eh? Were they asking for
investors?

If you have any of those neodymium magnets around, try rolling one down a
thick slab of aluminum, or dropping one down the middle of a close-fitting
aluminum or copper tube.