| http://www.w3.org/ns/prov#value | - It is also a great summer time project.Yes, this is sending up a 2 liter plastic bottle (or whatever is handy) by filling it up with water and pressurizing it with compressed air to see how high it can go.There are all kinds of things that you can measure and document, including thrust (including ISP if you want to get that technical), altitude, learning about trigonometry (to measure altitude), p
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