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Author Topic: Not Perpetual Motion  (Read 1354 times)

Forumsdwarf

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Not Perpetual Motion
« on: February 01, 2008, 03:57:00 am »

Technically if your formerly thermodynamically impossible perpetual motion generator's wheel's tail run opens to an evaporation chamber it doesn't necessarily break the laws of physics anymore.
True the odds of finding an underground room IRL that stays warm enough to continuously evaporate the tail run of a waterwheel are slim, and pumping water from the tail run to the penstock should make the system less efficient, not more, but such a system is theoretically possible.  Physics purists rejoice!
I guess such a power plant IRL would have to be called "geothermal".  The evaporation room would almost certainly have to have some kind of seismic / volcanic reason to stay warm enough to continuously evaporate so much water.
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ilnar

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Re: Not Perpetual Motion
« Reply #1 on: February 01, 2008, 05:03:00 am »

well yes, but if you want to be that much of a purist, just put the damn wheel in the brook:P
im just waiting for the day when i can use magma to boil water and run a wheel from steam power
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 laugh in the face of danger,
then i run away.

Draco18s

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Re: Not Perpetual Motion
« Reply #2 on: February 01, 2008, 05:36:00 pm »

...And I point out that you're using energy from an outside system (volcano!) to power a "nothing machine."
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Xgamer4

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Re: Not Perpetual Motion
« Reply #3 on: February 01, 2008, 05:38:00 pm »

...And Draco beat me to it.
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DJ

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Re: Not Perpetual Motion
« Reply #4 on: February 01, 2008, 05:53:00 pm »

I thought the whole point was to use outside energy.

But anyway, I always place my wheels in brooks. Currently, I'm building an axle ~250 tiles long.

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Urist, President has immigrated to your fortress!
Urist, President mandates the Dwarven Bill of Rights.

Cue magma.
Ah, the Magma Carta...

Skanky

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Re: Not Perpetual Motion
« Reply #5 on: February 01, 2008, 08:42:00 pm »

I like disobeying the laws of physics.
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Draco18s

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Re: Not Perpetual Motion
« Reply #6 on: February 02, 2008, 12:25:00 am »

quote:
Originally posted by DJ:
<STRONG>I thought the whole point was to use outside energy.</STRONG>

No, perpetual motion machines are supposed to be self-contained.

"...perpetual motion usually refers to a device or system that delivers more energy than was put into it. Such a device or system would be in violation of the law of Conservation of Energy."

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numerobis

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Re: Not Perpetual Motion
« Reply #7 on: February 02, 2008, 01:52:00 am »

quote:
Originally posted by Draco18s:
<STRONG>No, perpetual motion machines are supposed to be self-contained.</STRONG>

And this topic is about creating a not perpetual motion.  I like the idea; perpetual motion bothers me, too.

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Inquisitor Saturn

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Re: Not Perpetual Motion
« Reply #8 on: February 03, 2008, 03:45:00 pm »

quote:
Originally posted by ilnar:
<STRONG>im just waiting for the day when i can use magma to boil water and run a wheel from steam power</STRONG>

There's an idea. A boiler furnace, which can be a source of power like the waterwheel and windmill, but can be powered by either lava or by wood burning.

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nerdpride

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Re: Not Perpetual Motion
« Reply #9 on: February 03, 2008, 09:04:00 pm »

quote:
Originally posted by Skanky:
<STRONG>I like disobeying the laws of physics.</STRONG>

Rules were meant to be broken!  XD

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YolkFolk

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Re: Not Perpetual Motion
« Reply #10 on: February 04, 2008, 08:11:00 am »

You should be able to put goblins inside a hamster-wheel analog. Goblins are an infinitely renewable resource.
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