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You are watching: How much psi can a 2 liter bottle hold

Tue Oct 12 22:25:05 2021 GMT
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Home Safety First What"s A "Water Rocket"?Water-Rocket Simulation Frequently Asked QuestionsContact Us

Q: What"s the maximum safe pressure I should try toput in a 2-liter bottle?

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A: A 2-liter plastic bottle will easily hold 100 psi without rupturing.Bottles of this size, that are in good condition, start rupturing at about 130 psi.Some go as high as 170 psi before they rupture.

It is impossible to know when the bottle on your rocket will rupture without bursting it.Of course this would render the bottle unusable.It is also impossible to tell if the bottle has been damaged in a way that will lower it"s burst pressure.Just repeatedly presurizing your rocket may also reduce its ability to hold pressure.For these reasons, you should always operate as if the rocket will burst during pressurization. This is why the safety code says youshould presurize the rocket from a distance that is related to the operating pressure.From the safety code:"4. Compressed Gas Safety. A safe distance shall bemaintained at all times between persons and pressurized water rocketsor launchers.

See more: 2006 Kia Sportage Transmission Drain Plug, 2006 Kia Sportage Oil Drain Plug

The recommended safe distance is as follows:" Launch Pressure

With Eye Protection Without Eye Protection
Up to 60 psi 10’ 20’
Above 60 psi 20’ 40’
The same energy that can propel your rocket to amazing heights can also be released in an explosion. Being too close when this happens,especially without eye protection, could ruin your whole day.(back)

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