SORRY ABOUT THE CAPS-LOCK!
BUT THIS IS REALLY IMPORTANT!
DON’T PRESSURISE BOTTLES THAT AREN’T DESIGNED TO HOLD PRESSURE!
FROM PERSONAL EXPERIENCE*, A FIZZY DRINKS BOTTLE CAN HANDLE ABOUT 150PSI**, BUT A ‘SQUASH’ BOTTLE CAN’T HANDLE VERY MUCH AT ALL.
DON’T PRESSURISE ‘SQUASH’ BOTTLES, THEY CAN AND DO GO BANG.
IN A LOUD AND SCARY WAY.
careful now.
X
(you can get 3litre fizzy drinks bottles if you want/need more volume)
(*water rockets, with a little testing, and some stabilizing fins, and some maths, you can send them about 200m…)
(**please don’t go this high, it’s loads, it probably won’t go bang, but it’ll take your face clean off if it does)