The Vortex – Tumbling Wing http://eng.origami-kids.com/paper-airplane/acrobatic/vortex-tumblewing.htm
The Vortex is really an auto-gyro plane also called tumblewing. It is thrown high into the air, and as it falls the air rushing past it’s ‘wings’ in opposite directions causes it to rapidly spin, slowing it’s decent. A tumblewing … Continue reading →
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