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From: vince@fluke.UUCP (Craig V. Johnson)
Newsgroups: net.physics
Subject: A new improved perpetual motion machine
Message-ID: <489@vax2.fluke.UUCP>
Date: Mon, 1-Apr-85 14:21:12 EST
Article-I.D.: vax2.489
Posted: Mon Apr  1 14:21:12 1985
Date-Received: Tue, 2-Apr-85 08:05:08 EST
Distribution: net
Organization: John Fluke Mfg. Co., Inc., Everett, WA
Lines: 64

Ok perpetual motion machine fans, see if you can explain this one.  This was
presented to me several years ago by a friend, and even though we both "knew"
it couldn't work, no one was ever able to tell us why.

Start with a vessel, like a cup, with a weight resting in the bottom and a
flexible diaphragm stretched across the top.  The bottom and sides are rigid.
It might look something like this-

            H-----------H
            H     _     H
            H    / \    H
            H   |   |   H
            \\   \_/   //
              =========

Now if we invert the vessel and allow the diaphragm to stretch, the volume
increases, while the internal air pressure decreases.

              =========
            //         \\
            H           H
            H           H
            H           H
            H\    _    /H
              \  / \  / 
               \|   |/
                \\_//
                  -
Since buoyancy is related to volume displaced, the inverted vessel should be
more buoyant than the upright vessel.  By making use of that property, we
now construct our perpetual motion machine by linking many of these vessels
together in a chain and submerging them under water (in theory any fluid
should work).

              <-

              o
            /   \
           u     O
          |       |
          u       O
          |       |
      |   u       O   ^
      v   |       |   |
          u       O    
          |       |
          u       O
          |       |
           u     O
            \ o /

              ->

There you have it, free energy!  The inverted vessels on the right provide
greater buoyance than those on the left so the net result is an upward force
on the right greater than that on the left.

Who can tell me what is wrong with this picture?

	Craig Johnson			uw-beaver!	\
	John Fluke Mfg. Co., Inc.	decvax!microsof!  \
	Everett, Washington		ucbvax!lbl-csam!    >  fluke!vince
					allegra!	  /
					ssc-vax!	/