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75 psi range
Due to scientific research it is 1.5
Fill small 3 liter jug with water. Pour into large 8 liter jug. Repeat. Now 6 liters of water in large jug. Repeat again but stop when large jug full. Leaves 1 liter in small jug. Empty large jug. Pour water from small jug into large jug. Refill small jug and pour into large jug. There are now 4 liters of water in large jug.
liter
you get a two liter then you live one untouched the other you cut the tip off then make a parachute then contact it
Add 5 liters to the 7 liter bottle. Add 5 more to the 7 liter bottle; now you have 3 liters. Dump out the water from the 7 liter bottle. Then add the 3 liters to the 7 liter bottle. Fill the 5 liter bottle again and dump it into the 7 liter bottle. Dump out the water in the 7l bottle and add 1 liter to the 7 liter bottle. Add 5 liters to the 7 liter bottle and there you have it.
The angle of the rocket. The amount of water in the rocket.
one liter is always one liter it doesn't matter if it is in a water bottle or or a bucket
no
If you have leaks in a water bottle rocket, the pressure will quickly escape along with the water and the rocket won't be able to reach as high an altitude as a rocket without leaks.
KFC.
a liter bottle, or two half liter bottles