How do inflatable rafts work?
The ones that fill up when you pull a string. There are also inflatable vests and ramps. Like on airplanes. How do they fill up with air?
In all cases, there is a small, factory-manufactured cylinder of highly compressed gas (usually CO2) with a mechanism on it that perforates a given area when actuated — for example, by pulling a ‘string’ or by the action of opening a depressurised aircraft door. A parallel would be tripping the plate on a mousetrap — all that gas is busting to get out, and when its weak point is compromised, that’s exactly what happens. In other words, when the cylinder of gas gets a hole punched into it in the right place, the gas inside floods out — usually into a big plastic bag in the shape of an inflatable raft or vest.
Think of it as, all the air that could fill a big balloon, but wedged into something the size of a medical capsule. Pop the capsule, the balloon fills up. Except it’s not air, and it’s not a balloon.
Hope this answers your question!
Man jumps THROUGH inflatable raft ! Hilarious !!!
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