Posts tagged ‘battery’

Made a quick rocket stove with bricks.  Put a Peltier cooler on the back and got a fire going.  Measured the current, volts, and watts produced from a single Peltier cooler.  A cooling fan and aluminum heatsink with a 12V portable battery helped.

Peltier_Cooler_Rocket_Stove

Peltier Cooler (also called TEC or Thermo Electric Cooler) - resting against a hot brick

Video of experiment…

Continue reading ‘Peltier Cooler Generates Electricity’ »

Posted by Earl on January 25, 2010 at 1:24 am under energy, thermoelectric.
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A 12V battery is getting low and needs some wind to charge up.  The wind turbine outside faithfully stands watch high above the ground, waiting for a chance to spin in the wind.

wind-turbine-waiting

Continue reading ‘Hoping for Wind’ »

Posted by Earl on January 22, 2010 at 4:10 pm under energy, wind.
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Make Your Own Air Battery


The video below shows three different electrolytes for a cell.  Which electrolyte will be the best, producing the most voltage and current?

Continue reading ‘Make Your Own Air Battery’ »

Posted by Earl on December 19, 2009 at 12:14 pm under chemical, energy, fun experiments.
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Acid can release electricity from metal.  What is an easy-to-find source of acid?   Tomatoes!

What kind of tomato is best?

Continue reading ‘Tomato Battery’ »

Posted by Earl on November 27, 2009 at 6:57 pm under chemical, energy, fun experiments.
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Charging a Cub Cadet lawnmower 12V battery with a solar panel and Sunsei charge controller.

Continue reading ‘Solar Panel Charging a Lawnmower Battery’ »

Posted by Earl on February 1, 2009 at 1:19 pm under energy, solar.
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