h a l f b a k e r yI think this would be a great thing to not do.
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Aeroelectric Calculator
Pioneering in renewable energy, I present the latest advancement that will save the planet. | |
Oil prices are rocketing, and in desperate times we need to source our energy from renewable, "green" ideas. Solar powered calculators are available, but where's the dignity in that? I present to you: the aeroelectric calculator.
To fuel it, blow air into the balloon at the top via the one-way valve.
In the central mechanism, a miniature Francis turbine (the most efficient turbine in the world!) takes advantage of the air flow, and generates a tiny current - giving the calculator enough life to perform even the most intense calculations. For about 3 seconds. Then you need to blow more air in.
Hydroelectric Calculator
Hydroelectric_20Calculator
The inspiration. [phoenix, Oct 04 2008]
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A Francis turbine would be virtually useless for air. |
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/Francis turbine (the most efficient turbine in the world!)/ |
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Whoa there, big fella. Show me a Francis turbine that outperforms a Kaplan in low head, high flow situations. For that matter, show me a Francis turbine that out performs a well-designed Pelton at very high heads. Horses for courses, my exclamatory friend. |
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"A Francis turbine would be virtually useless for air."
As long as you enjoy the premise of an air-powered calculator. |
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Man, this new calculator I bought really blows... |
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I'm well aware of different turbines for different situations, my original choice of it was almost sarcastic. With so little power needed, efficiency is barely noticeable. |
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The point of the hydroelectric calculator is to demonstrate, on a miniature scale, a green fuel source. If you wanted this to be anything more than a silly way of powering a calculator, it should be designed like a tiny but realistically shaped wind turbine. Having that on your desk would be entertaining, or at least aesthetically pleasing compared to a balloon. |
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