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Interesting way to shave weight

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Old Feb 13, 2008 | 10:07 PM
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Default Interesting way to shave weight
Ok, bare with me on this, it may sound weird but it might work.

So I'm sitting here watching mythbuster's and they're fill rafts with helium and it cuts some weight. So theoretically, couldn't you fill a cars tires with helium and shave off some weight?

I've never heard of this and if theirs anything wrong with it, I didn't know and please don't bash me for it.
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Old Feb 13, 2008 | 10:08 PM
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didnt think oxygen weighed that much. esp the volume it takes to produce 15 psi
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Old Feb 13, 2008 | 10:09 PM
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Yeah, if you saw the episode they had a **** ton of balloons to equal the weight of one person. Maybe if you had wheels the size of a monster truck it may help.
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Old Feb 13, 2008 | 10:10 PM
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u would be better off with nitrogen to keep a stable tire pressure
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Old Feb 13, 2008 | 10:11 PM
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Well they have decent savings in the raft. Not like a huge margin, but when you're racing, I suppose any weight difference helps.
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Old Feb 13, 2008 | 10:11 PM
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Originally Posted by blacksi
Yeah, if you saw the episode they had a **** ton of balloons to equal the weight of one person. Maybe if you had wheels the size of a monster truck it may help.
Yeah that was it. But the raft wasn't really that big.
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Old Feb 13, 2008 | 10:18 PM
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helium diffuses very rapidly through rubbery materials and some metals


myth busted
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Old Feb 13, 2008 | 10:22 PM
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Originally Posted by Phoenix 5.7
u would be better off with nitrogen to keep a stable tire pressure
it is slightly lighter than o2 as well. about as much as that rock chip in the hood
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Old Feb 13, 2008 | 10:23 PM
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Originally Posted by Vicinity
Yeah that was it. But the raft wasn't really that big.
the raft was the size of a room
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Old Feb 13, 2008 | 10:23 PM
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Well. That sucks.
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Old Feb 13, 2008 | 10:23 PM
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Originally Posted by Phoenix 5.7
the raft was the size of a room
I meant the first real raft. Not that makeshift massive plane hanger raft.
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Old Feb 13, 2008 | 10:25 PM
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i found over on some unicyclist.com forums that they wanted to do the same thing with helium in the tires. then they wanted a carbon fiber frame.
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Old Feb 13, 2008 | 11:00 PM
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I tried that once. it might have worked but when I unstraped it from the trailor it flooted up in the air I had to wait for hours for it to come down.
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Old Feb 14, 2008 | 04:21 AM
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Originally Posted by Ego Killer
I tried that once. it might have worked but when I unstraped it from the trailor it flooted up in the air I had to wait for hours for it to come down.
damn done much weight reduction?
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Old Feb 14, 2008 | 12:29 PM
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Main problem is whats the expansion rate of helium when it gets hot?

I know nitrogen is the ticket to keep tires from changing as much psi, just wondering how helium would react to a 10 second burnout lower the tires to 10psi and when you're done with the burnout they are at 25psi
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Old Feb 14, 2008 | 01:29 PM
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i think we should just go hydrogen. worked great for the hindenburg
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Old Feb 14, 2008 | 01:50 PM
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just in the front tires should help the wheels come up and squat for better traction lol.. i saw that episode today too
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Old Feb 14, 2008 | 08:01 PM
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I was going to suggest that you fill tires with Hydrogen instead, but someone would
probably find some way of lighting themselves up. LOL

Instead of using gas, use a vacuum. That's right .. no mass at all.
What could be better than running with NOTHING in your tires?
(Walmart was all out of anti-matter when I checked tonight)
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