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A perpetuum mobile for cello and piano by, consisting of continuous spiccato. Hans Goldstein ( cello) and Mellicia Straaf (piano).Problems playing this file? See.As a distinct composition, perpetuum mobile can be defined as one in which part or most of the piece is intended to be repeated an often unspecified number of times, without the 'motion' of the melody being halted when a repeat begins.are often intended to be performed in a moto perpetuo fashion, and can thus be called canon perpetuus.In some cases the repeats of a 'perpetuum mobile' piece are at a different pitch, while a or a occurs during the repeatable part. Some of the riddle canons of 's are examples of this particular kind of perpetuum mobile/ canon perpetuus. Perpetuum mobile as a of separate musical compositions was at the height of its popularity by the end of the 19th century. Such pieces would often be performed as virtuoso, in some cases increasing the tempo along the repeats.Examples Perpetuum mobile pieces of both kinds include:Baroque period.

The Preludio from 's consists almost entirely of sixteenth notes.Classical period. The finale of 's, Op. 5. The finale of 's, and large segments of the finales of his and sonatas (although these are not very fast; the Tempest and the 22nd sonata are only marked Allegretto, and the Appassionata is marked Allegro ma non troppo).

Perpetuum Mobile - Concepts I. The Beginning. In ancient Greece we see no evidence of interest in perpetual motion. Greek knowledge of.

The second of 's. The fourth of Franz Schubert's (likewise not very fast, marked Moderato)Romantic period.

History: Take a careful look at the machine and why it's located in a huge safe. Finsrud's Perpetuum Mobile gets it's energy from ultra low frequency seismic vibrations from earth. The earth is never perfectly silent even if we cant feel it.

Just look at a geological seismograph readings, there are always small background vibrations present. There is nothing fancy here and it is possible to create a setup without a moving ball to generate a minute amount of electricity directly. His huge safe removes local higher frequencies coming from local sources like local car traffic, and leaves the ultra low frequency from deep in the earth to sync with the mechanical ball's speed.

This is why it doesn't always work. Those springs which the ball occasionally hits off the pendulums actually act as very efficient 1 way diodes, like in a boost converter. Or, the machine is like a huge AM crystal radio, except, not electromagnetic, but, mechanical vibration powered.

Perpetuum Mobile Machine

Probably, a huge mass held on a horizontal beam in the air, where part of that support beam is one of those efficient mechanical crystals like in the BBQ spark ignitor, with the other side secured to the earth on a huge slab of heavy concrete will probably generate a tiny measurable AC voltage/current due to it's change in bending from earth's vibrations. This can also be done with good old fashion magnet/coil like in some older seismograph measuring instruments. I don't see why would you involve anything more complex than just a large mass swinging about. Also, we can't see the inside of the main support pillar which can easily contain an energy storage device - another large mass, gradually being lowered and transferring energy to the main device via a clockwork type mechanism to make up for the losses. Even the guy himself doesn't claim overunity or even 100%, but is happy about 80-90% efficiency, which we can all agree is not even close to perpetual motion, let alone 'everyone receiving free energy'. I have a paperweight on my desk that is more much efficient at doing nothing useful than this device.

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Why would you think so? My assumption would be that the device gets the energy from the user who starts it off, and then runs until it has converted that energy into heat (via friction losses and acoustic noise). There are quite a few moving masses visible, and there is 'a much heavier pendulum hidden in the base'.

So this machine can store quite a bit of kinetic energy, which should keep it going for a while. I have no idea what the interviewed 'expert' is talking about when he mentions '90% efficiency'. Since no usable power is tapped from the machine, its efficiency is zero: All of the energy you put in when starting the device will be wasted. It just gets wasted slowly.

Outside the safe, there are a lot of high frequencies, say between 3hz an 0.3hz, say local city traffic rumble, which is too high and too weak for the slow moving mass ball. That safe smooths/ filters this out. Think of it as a tuned inductor/capacitor. This only allows through the earth.s really low 0.3hz and below swaying the vertical structure of the machine adding energy to the pendulums. The rolling ball with those pendulum touching gates on the track and the wave of the machine keeps the track tilting forward. Select a frequency which is in sync with the balls speed and pendulum length, and his machine would probably work even better. I said that if this is the case, it is nothing more than a fluke of size and design.

My frequency estimations are only guesses. As for there being enough mass in the machine to just sway perfectly for an entire day on some days, the not work on others, to keep the ball moving, yes I agree, this is also a potential possibility. When it comes to energy harvesting, yes, we are so tied to the oil/fossil fuel market and solar/wind/wave will take over as temporary storage gets cheaper and new infrastructure is built.

The problem is that even when our power sources are 100% from these, our electrical bill wont drop at all. This is the allure of free energy, besides the false thought that it will be enough to save the world, and be small enough for everyone to have a device in their own house. If you want to save the world, sun, wind and hydro alone properly deployed can cover quite a bit, focus your efforts there. For our future energy need, energy from the sun will play a large role for a good chunk of earth and fusion is coming, and will eventually cover most of the rest of our needs, including the possible eventual man space missions beyond the orbit of Mars. Outside the safe, there are a lot of high frequencies, say between 3hz an 0.3hz, say local city traffic rumble, which is too high and too weak for the slow moving mass ball. That safe smooths/ filters this out. Think of it as a tuned inductor/capacitor.

This only allows through the earth.s really low 0.3hz and below swaying the vertical structure of the machine adding energy to the pendulums. The rolling ball with those pendulum touching gates on the track and the wave of the machine keeps the track tilting forward. Select a frequency which is in sync with the balls speed and pendulum length, and his machine would probably work even better. I said that if this is the case, it is nothing more than a fluke of size and design. Outside the safe, there are a lot of high frequencies, say between 3hz an 0.3hz, say local city traffic rumble, which is too high and too weak for the slow moving mass ball. That safe smooths/ filters this out. Think of it as a tuned inductor/capacitor.

This only allows through the earth.s really low 0.3hz and below swaying the vertical structure of the machine adding energy to the pendulums. The rolling ball with those pendulum touching gates on the track and the wave of the machine keeps the track tilting forward. Select a frequency which is in sync with the balls speed and pendulum length, and his machine would probably work even better.

I said that if this is the case, it is nothing more than a fluke of size and design. Yes, his entire machine is one gigantic pendulum on a spring with 3 smaller ones around it. As for the safe, it has everything to do with physical size and mass. Think of your basic pendulum, the larger and heavier it is, the lower it's resonant frequency. That huge steel safe mounted on concrete will dampen out a lot of the higher frequencies compared to the vibrations it would amplify through because of it's resonant frequency due to shape and mass. This is basic mechanical motion, nothing electromagnetic. Just like when I was a kid, with a cheap small telephone pole on the street, pushing it ever so slightly just at the right frequency could make it sway a little back and forth.

That huge safe on a concrete foundation slab in the basement of his house depending on seismic events of the day, will sway ever so slightly with the earth. Mount this guys machine on a huge lump of anti-vibration foam and I bet that ball wouldn't run for more than a few minutes.

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