Originally Posted by
banerjek
Air pressure is 14.7 psi at sea level. I'm not sure the walls are that weak
Sealed at 3,300ft above sea level (FAR from vacuum pressure), brought to sea level. The greater the delta temperature, the greater the effect on the capsule.
Originally Posted by
bent eagle
But wouldn't you have to cram more helium into the tube to even get to 120 psi., and therefore end up with the same weight as if you used air? Not disagreeing, just wondering.
I'm such a geek, this topic is actually interesting to me.
It is still less dense than air, and therefor gives you the vertical lifting force.
Originally Posted by
Fastflyingasian
its been mentioned but i am surprised no one actually said put it in. you could always go down to town fair tire and fill up with nitrogen. they say it makes your car faster and have better gas mileage. with that logic you should also be faster and use less energy. kinda like putting a big wing, body kit, NOS stickers and a fart can on your jap rocket type fast right? thats sooooo much faster than actually making the engine more powerful. geez what was i thinking
anyways air is mostly nitrogen to begin with.
Nitrogen is used solely for it's stability in temperature changes. "better gas mileage" comes with the fact that your tires don't lose pressure when it gets colder, because most people don't check their tires frequently.