Tiger
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http://www.keelynet.com/energy/ford.htm
Interesting read about a Ford Model T 1903 concept where they could run an engine magnetically and without fuel.
Ben.
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vibrio
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like in an electric engine 
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Tiger
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No because this is Perpetual Motion.
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gasman dan
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interesting but unsure of how believable it is, quite convincing tho
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Robin
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well, i believe that would work
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ed
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quote:
Originally posted by Tiger
No because this is Perpetual Motion.
But that doesn't and cannot work.
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Robin
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why not? if the flywheel has a constant opposite polarity working against the magnets imbedded in it, surely it would continue to rotate at the same rpm indefinitely ed?
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gasman dan
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the greatest thinkers of all time have tried to achieve perpetual motion, u always need something providing energy, not to mention friction constantly working against it.
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Cybermonkey
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PMSL at the idiots in this thread who think perpetual motion is possible on earth 
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jamied
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oyster perpetual motion is how rolexs work lol
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John
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A rolex would stop if it wasn't on your wrist for a bit.
Thats not quite perpetual motion.
And yes i have to agree with monkey.
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drunkenfool
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Before you completely blank out the idea of perpetual motion, have a read of this...
http://www.shoutwire.com/viewstory/4281/Inexhaustible_Energy_The_N_Machine
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jamied
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intweresting read altho it says its not perpetual
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drunkenfool
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Nope. it's even better 
"DePalma is quick to point out that the N machine is not a perpetual motion machine, that mythical contraption long sought by frustrated inventors. "The perpetual motion machine is only supposed to run itself. It could never put out five times more power than is put into it."
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ed
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quote:
Originally posted by robmarriott
why not? if the flywheel has a constant opposite polarity working against the magnets imbedded in it, surely it would continue to rotate at the same rpm indefinitely ed?
Perpetual motion is impossible on Earth. It breaks Einsteins laws of Physics.
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ed
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If perpetual motion was possible then why are we still burning fossil fuels and building nucleur power stations?
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Graham
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surely it "would" work, however how the hell would you be able to transfer the energy from this into kinectic energy. besides if you started it up how could you manage how fast you were going, unless it depends on the amount of electricity passing through the coils.
who knows.
probably will never work
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Cybermonkey
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quote:
Originally posted by Graham
surely it "would" work, however how the hell would you be able to transfer the energy from this into kinectic energy. besides if you started it up how could you manage how fast you were going, unless it depends on the amount of electricity passing through the coils.
who knows.
probably will never work
energy is exhausted in different ways. either through heat, radiation, friction, sound etc. a machine's efficiency is based on how much energy is input and how much can be turned usefully into an output.
100% is known as perpetual motion, or the ability to transfer all its input energy into an output.
large scale electricity transformers can convert 98% of input into an output, ie, stepping up power voltages. these are the most efficient objects on earth made by man.
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drunkenfool
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quote:
Originally posted by ed
quote:
Originally posted by robmarriott
why not? if the flywheel has a constant opposite polarity working against the magnets imbedded in it, surely it would continue to rotate at the same rpm indefinitely ed?
Perpetual motion is impossible on Earth. It breaks Einsteins laws of Physics.
That doesn't make it impossible at all. Einstein's laws are not "laws" at all, they are observations that, given our current knowledge and understanding of the world around us, seem to give us predictable outcomes. Looking at the world at Planks scale (around 1E-35) things are very different, Newton's laws of motion are all useless and you enter into the world of unpredictability and uncertainty. Modern day physics is still a long way off knowing how the universe works (although getting closer), but I dont see how you can say breaking Einstein's laws is impossible. If you want an interesting (but quite in depth) read about it, check out this book. http://www.amazon.com/gp/product/0521564573/sr=8-1/qid=1140525997/ref=pd_bbs_1/104-3917915-7251959?%5Fencoding=UTF8
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ed
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Well, until you can do away with fritction, air resistance, noise and heat perpetual motion is impossible.
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Tiger
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Imagine though - 20 years before they invented electricity itself - they would have said "how stupid - thats absolutely impossible, scoff scoff scoff" then they did it.
Does that mean that Perpetual motion isnt possible simply because of the limitations of our current technological position? Or what you are saying is that it is totally possible - and could have been done, its just not common knowledge and is as yet, (as far as we're concerned) undiscovered.
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Tiger
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As far as Einsteins Laws are concerned - they were goalposts for our current and acheivable physical laws, not the laws of tomorrow.
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ed
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It might be possible. But then if it is then why are we spending so much money on building a fusion power station?
The essence of perpetual motion is getting energy from nothing... If you think of it that way then you can see where i'm coming from.
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gasman dan
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The essence of perpetual motion is getting energy from nothing... If you think of it that way then you can see where i'm coming from.
well put!
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myke
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i'm sure i read on here a while back that at someone's university there is a large gyroscope that'll spin for over a fortnight given a small kick start.
something about it's size being tuned to the rotation of the earth giving it energy to keep rotating for much longer than was physically possible
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