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Thread: Closest to Perpetual Motion

  1. #1 Closest to Perpetual Motion 
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    Is there a record for a device that has remained in motion (only running off gravity and physics) for a record length of time? Like with the energy output closest to 100% and least net loss. I'd like to know the design for it. I realize this wouldn't qualify as "perpetual" motion.


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  3. #2  
    Forum Professor river_rat's Avatar
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    Running off physics? As opposed to running off geography?


    As is often the case with technical subjects we are presented with an unfortunate choice: an explanation that is accurate but incomprehensible, or comprehensible but wrong.
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    Forum Ph.D. Steve Miller's Avatar
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    lol
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  5. #4  
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    Have a look at the Perpetuum Mobile by Reidar Finsrud.

    There's a video link here.
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    Forum Professor leohopkins's Avatar
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    I think MIR did quite a good job.
    The hand of time rested on the half-hour mark, and all along that old front line of the English there came a whistling and a crying. The men of the first wave climbed up the parapets, in tumult, darkness, and the presence of death, and having done with all pleasant things, advanced across No Man's Land to begin the Battle of the Somme. - Poet John Masefield.

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    Forum Ph.D. Steve Miller's Avatar
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    How does it work? Any ideas? I suppose a power cord being connected somewhere to be honest.
    Otherwise it's astonishing.
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  8. #7  
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    If a machine that uses its own weight to operate, is placed in a vacuum, where the only force it has to oppose is its own weight, so all the kinetic energy produced by the fall is converted to potential energy needed to bring the object back to its original position, and no energy is lost due to air resistance or friction, of course its efficiency will be zero, because there will be no energy output. But assuming that the above conditions could be provided, will perpetual motion be theoritically possible?
    In theory, there is no difference between theory and practice. In practice, however, there is.
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  9. #8  
    Red
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    So if we create a perpetual motion machine which covertes all its potential energy into kinetic then back to potential moving perpetually disregarding the fact that as it moves it must give away its energy into its surroundings or its own mass what use would this me anyway. It couldnt be used to power anything all it does is prove the indestructablility of energy and convert energy from one form totally into another.
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  10. #9  
    Forum Sophomore basim's Avatar
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    energy can neither be created nor destroyed. It can change the state. :wink:
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  11. #10  
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    Quote Originally Posted by Red
    So if we create a perpetual motion machine which covertes all its potential energy into kinetic then back to potential moving perpetually disregarding the fact that as it moves it must give away its energy into its surroundings or its own mass what use would this me anyway. It couldnt be used to power anything all it does is prove the indestructablility of energy and convert energy from one form totally into another.
    Yeah, i know it will not produce any power or anything, but we could use it for decoration :wink: . I'm sure it will look pretty.
    In theory, there is no difference between theory and practice. In practice, however, there is.
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