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PSA Microgravity Challenge
Preliminary Designs


Bullyard State School
Mr. Brennan's 6/7th Grade
By Ryan

Expert Response


This design of the year 6/7 class of Bullyard state school that they think is workable. There is a fan on the bottom of a curved shape piece of pipe. The pipe is there so the wind does not escape out of the sides. The ball is on top of the pipe so when the when the air reaches the top the ball will use bournellis principal which is floating without physically touching it. The wind will keep going up the pipe to make bournellis principal.

student drawing of design


Response from Expert Dan Andrews:

This looks like a great way to have the ball float in air, but what about when the ball (PSA) tries to move?

If it tried to move down (into the flow of the air), could it?

What about if it tried to move sideways, and therefore leave the flow of the air? Wouldn't it fall on the floor?

Would something like an air-hockey table work better? If so, how could you make a ball move up and down on an air-hockey table?

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