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This awesome video shows you how to make a paper helicopter fly endlessly. The principal is the same as in real aviation: thermals. Thermals allow real sailplanes to fly for hours. As real thermals are to strong for our selfmade paper helicopter, we are using a miniature thermal that everyone has in his kitchen: a cup of hot coffee. The cup of coffee produces hot air which rises and let our helicopter fly as for a very long time. The paper helicopter must be centered over the cup when it is released. We used paper with 35 g/m² .It took me about 112 takes to produce this video. Good Luck to recreate the video.

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