Can Breathing Through a Tube Create Powerful Force for Tasks?

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Breathing through a tube can create force, but its effectiveness depends on the application. Devices like a modified felt tip pen can utilize this principle to spray ink by creating suction. However, using human lungs to perform larger tasks, such as emptying a fish pond, would be impractical due to limited air pressure and volume. The discussion highlights the challenges of scaling up the force generated by breathing through a tube. Overall, while there are creative uses for this concept, its limitations are significant for larger tasks.
ericwatts214
How much force(air pressure would the process in this video take?



Could it be produced or magnified to work using breathing through a tube? To create the seal?
 
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http://en.wikipedia.org/wiki/Aspirator_(pump )
 
Last edited by a moderator:
Bystander was first.
aka "venturi pump"
 
Could it be produced or magnified to work using breathing through a tube?

Depends what you want to do. I've seen a device that converts a felt tip pen into a crude spray gun by blowing through a tube at right angles to the pen nib. It draws the ink out of the pen and blows it onto the paper.

You would have a hard time emptying a fish pond using just your lungs to blow down a pipe.
 

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