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Electronic Engineer
 · MelbourneAustralia
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I don’t like to be discouraging, but what I see is another in a long line of attempts at a perpetual motion machine. Ask yourself this: where is the energy coming from? In your first sketch, the energy is stored in the gravitational potential of the mass. Once you have let the mass go and recovered the energy from it in the form of electricity, you will have to winch it back up in order to let it fall again. The energy comes from the muscles of the person doing the winching.

In your second sketch, the energy is stored in the gravitational potential of the pendulum at the top of its arc. Let’s say you can extract 50% of the gravitational potential energy each time it swings. At the end of the first swing, the pendulum will have 50% of its energy left and will therefore have risen half as high on the other side. Then at the end of the second swing it will have 50% of that remaining energy left and will rise half as high again - 1/4 of the original height. In other words, it will very quickly run down unless you keep putting more energy in by pushing the pendulum or lifting it back up again. As before, the energy comes from whatever mechanism you use to push the pendulum. There ain’t no such thing as a free lunch (and no free energy either - except for Solar,and even that will run out in a few billion years)

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Faiz Ur Rehman
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Lets make this world a better place (Project Leader)
 · MontrealCanada
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No steven have not studied quantum physics

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Mechatronics Engineer
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farther more of what Tony said and keep it in your mind:
every convert of energy from one form to anther will be loss and efficiency will decrees to eventually decay unless you have continues input of energy that will proved the mechanism, and you don’t care if the input have loss after feeding your mechanism.
In my opinion if the input on the shaft that link the flyweal and pendulum the oscillation of the pendulum will decrease the efficiency unless the pendulum is feeding back the input by it mass. but it the input on the pendulum and it’s continuous you will only store the inertia in the flyweal at the begging of the system and resort back after loss in the input with less efficiency from wear it came
i hope you continue your project with success and you have great brine to think out of the box.

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Steven Reubenstone
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Mechanical Engineer & Tinkerer of Things.
 · New YorkU.S.
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agreed

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John Rodrigues
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Mechanical Design Engineer |Founder of designwithjohn.com
 · HonnavarIndia
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How about a hybrid to produce efficient energy
Have you guys thought in this direction ?

I’m sure a complete perpetual is practically impossible to make
Yet research is going in this field

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Faiz Ur Rehman
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 · MontrealCanada
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Yes @John i fact that is the concept i am currently try to implement. In this method Loss of energy in one mechanism can be fullfiled by other means e.g. to support gravity harvester we use wind or solar etc

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Engineering Student
 · DelhiIndia
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yes gravity harvester can use wind or solar energy nice idea

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