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by kunkmiester
Tue Jul 21, 2020 7:53 am
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Re: Calculations related to pneumatic cannon.

I was a little off. I was looking more at the combined law, as here:
https://en.wikipedia.org/wiki/Ideal_gas_law

My vague memories of chemistry had them the same.
by kunkmiester
Tue Jul 14, 2020 12:59 pm
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Re: Calculations related to pneumatic cannon.

The ideal gas law is probably more relevant to this, as it considers changes in pressure, volume, and temperature, all of which happen. You'll probably have to do it the same way I'm looking at when I someday get to more complicated projects--you measure your velocity, calculate your pressures and v...