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In 2020, I will celebrate my 33rd birthday with my best friends. Of course it will be a sunny day… it has to be! This birthday-party will stand under the motto “Sustainably Energized Party”. To implement this motto, I will try to use only sustainable energy resources for preparing food, powering music equipment, lightning and chilling drinks.
We will have a solar barbecue for sausages and steaks. Additionally, we will bake baguettes and breads in a solar oven. Parabolic dishes will focus the light from the sun and heat the grill and the oven. We could also use charcoal, because wood is a renewable natural resource. But we are happy to try out new things. Moreover this way is healthier related to the substances growing out of burning fat in the fervor.
On every party you need music, if only in the background. At my party we do not use 1000 W hi-fi equipment. This would be oversized. We have equipment with much less performance. But this is also an advantage to supply it with voltage independent of power outlet. We had different ways to power it. First option is using solar energy with photovoltaic cells on the roof of my house. Second is an acc**ulator solution with a small generator. Each of the guests has the honor of pedaling when sun sets. We will play little games to draw by lot. Powering the light in the evening will be similar. Of course we will use LED-lamps. Otherwise it will end in muscle ache.
Chilling the drinks will take place in a simple physical effect. We will use the enthalpy of vaporization. The bottles will stand in a tub with some water. Over the bottles hangs a towel with its ends in the water. The wind will evaporate the water and dissipate the heat. So we will have chilled drinks without using electricity.
I hope, that sun will really shine… otherwise I will have to improvise or we will have cold buffet.
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