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**Need help on basic fluid volume calculation!!**

Hey guys, I need some help calculating a volume.

Ok, so say we are given a pressure vessel with an

**88ci volume @ 4500psi**which is then regulated down to

**100psi**and we open a valve for

**0.1 second**.

**How many cubic inches of air would be released?**

The reason why I am asking is because I am developing a pneumatic shift system for a formula car. And I need to know how many shifts we can get per tank of compressed air.

Im not sure as to which formula to use but I figure someone here would.

If you need any other information just let me know.

Thanks!!!!!!