Head-Fi.org › Forums › Misc.-Category Forums › DIY (Do-It-Yourself) Discussions › Using Helium as an Insulator...
New Posts  All Forums:Forum Nav:

Using Helium as an Insulator...

post #1 of 26
Thread Starter 
Hi, I have a crazy idea....I want to use helium as an insulator for some DIY cables. The only problem I see is the fact that the helium could leak through. Therefore, anyone know of any helium proof tubing?
post #2 of 26
Hydrogen, and Helium to a lesser degree, leak out of pretty much everything not composed of thick welded shut metal. I doubt what you are talking about is possible.
post #3 of 26
The rate of effusion(rate at which a gas leaks from its container) increases as the gas atoms become smaller. A better option would be Argon since it's atoms are much heavier and larger than that of He. Argon can be obtained almost as easily as He, just go to a welding supply shop and they should be able to help you out. Teflon tubing should be able to contain Ar but I am not certain.

Whit
post #4 of 26
Thread Starter 
Whit - you read my mind!


I was linking of using argon, but if I can I would like to use helium. I think it would sound better (less "wind resistance" to electrons because of its lightness....alright....maybe I am a tad paranoid )
post #5 of 26
How about Neon? It weighs half as much as argon but is still 5 times heavier than Helium. Plus if you send enough voltage through the cables you might get a neat light show.
post #6 of 26
I use liquid helium or a living. Let me say this as simply
as possible.

NOT A CHANCE.

Besides which helium is expensive, leaks out of everything
including heavy metal containers and since it is lighter than
air it will not push out nitrogen or oxygen.

Hydrogen. One word. NO! flammable. Corosive.

What you really want is nitrogen gas.
post #7 of 26
I truely am speachless...

Just about any pure, non-reactive gas would fit the bill. I really doubt, however, you will be able to keep the gas pure enough to notice any hypothetical difference between gases.

I would say N, CO2, Ne, or Ar gas would suit your needs. O, F, Cl, ect are too active for use. H and He are too light.

I still think this is insane, but go for it.
post #8 of 26
Thread Starter 
The only difference between insanity and genius is who succeeds .


There are two other noble gases I could use - Krypton and Xenon - but I assume those are too expensive.


Whit - if I used Neon, and the cable glowed, wouldn't that defeat the purpose of it being an insulator?


Anyway - Argon seems my best bet. I could call the cable the "Argon-naut" .
post #9 of 26
Thread Starter 
Progress Report:


I found my Argon Cable tube:


http://www.synflexhose.com/frames.cf...=specialty.cfm


post #10 of 26
Go for it Czilla! I love your ambition.
post #11 of 26
Quote:
Whit - if I used Neon, and the cable glowed, wouldn't that defeat the purpose of it being an insulator?
If the cable glowed in your application you'd have bigger things to worry about than the insulative properties of Ne.
Argon is an excellent choice. Two of the key reasons it is used in welding is because it is cheap and has low leakage. This is an interesting project. Please keep us updated.

Whit
post #12 of 26
Thread Starter 
Thanks guys....one problem....I cannot find anyplace one the net that sells Argon.


Anyone know one of an Argon distributor?


BTW, if something can contain Nitrogen....it should beable to contain argon right (because Ar is heavier than N)?


Also, if a seal is not air tight will argon flow out ? Will I need to worry much about the seal?
post #13 of 26
Quote:
Originally posted by Czilla9000
Thanks guys....one problem....I cannot find anyplace one the net that sells Argon.

Anyone know one of an Argon distributor?
Umm... Probably because you can't ship tanks of gas under pressure via mail.

Try the phone book for your town and try "welding suppliers".

Good luck with this bizzare project.
post #14 of 26
If something can contain Nitrogen then it should be able to contain Argon. If the container is not sealed properly then the Argon will simply leak out and be replaced by air. Check the yellow pages for Argon suppliers. Specifically welding supplies. Argon and other pressurized gases cannot be shipped via air due to risk of explosion. I believe this is what was found to be the cause of the crash of TWA flight 800.

Whit
post #15 of 26
Thread Starter 
Thanks for all of the exthusiasm surrounding this thread...



Ok...but can Argon be shipped through ground?
New Posts  All Forums:Forum Nav:
  Return Home
Head-Fi.org › Forums › Misc.-Category Forums › DIY (Do-It-Yourself) Discussions › Using Helium as an Insulator...