On Tue, 6 Apr 2010 20:34:49 +0000 (UTC), Elmo wrote:

Anyone know at what PSI a typical plastic soda bottle explodes?

Thank God for young boys. Empirical data is only a video away!

"A typical two-liter soda bottle can generally reach the pressure of 100
psi (690 kPa) safely"
http://en.wikipedia.org/wiki/Water_rocket

How to make a soda bottle explode (slow motion):
http://www.metacafe.com/watch/991622...eps_on_how_to/

Blowing up 2 liter soda bottle (skip to 5:00 min for the explosion):
http://www.youtube.com/watch?v=uuXhze-xyiw

Coke Bottle PSI Bombs
http://www.youtube.com/watch?v=w5rugiELG5Q

Soda bottle bomb
http://www.youtube.com/watch?v=KyGsO5S_DhU

Launching Pressurized Bottle Rockets @100 psi
http://www.youtube.com/watch?v=TUadbuuFktM

Exploding bottles with Dry Ice:
http://www.youtube.com/watch?v=TlqZUyXjKZo

How to Make a LOUD Water Bottle Bomb
http://www.youtube.com/watch?v=E3j9EFhKvAw