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Questions relating to fluids at rest (fluid statics) or the forces and effects of fluids in motion (fluid dynamics).

1 vote
2 answers
160 views

Will an empty spray can maintain a vacuum?

If I were to remove all the air from a canister of WD40 so that it was a vacuum inside, and reinforced the walls so that it won't collapse in from atmospheric pressure, what would happen when I pull t …
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  • 113
0 votes
0 answers
36 views

Simplifying the soda gun mechanism

I'm looking to design a push button mechanism similar to the soda gun where water is forced to pass through a single passage based on which button has been pressed. What are the different approaches I …
S s's user avatar
  • 113