A Walkalong Glider is basically a super light paper plane that you keep aloft by following it with a piece of cardboard or such. I’m finding plenty of videos like [this one](https://www.youtube.com/watch?v=VrgY_HHANfQ) that demonstrate how to make and fly one, but nothing really that clearly and concisely explains the aerodynamic principle at work
In: Physics
The air that the cardboard is pushing up and forward as the person walks along with it is enough to keep the very light glider in the air and moving forward, it’s along the lines of a bird soaring in a mountain updraft but instead of the air moving over a mountain slope and being pushed up the cardboard slope is moved through the air pushing it up.
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