martes, 19 de julio de 2016

Paper Helicopter

Paper Helicopter http://eng.origami-kids.com/paper-airplane/acrobatic/paper-helicopter.htm
paper-helicopters

Is it a bird or a helicopter? Did you ever wonder what would happen to a helicopter if the engine stopped while it was flying? No, it wouldn’t fall out of the sky. The air flowing through the blades would … Continue reading

The post Paper Helicopter appeared first on Origami Kids.

The post Paper Helicopter appeared first on Origami-Kids

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