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Unread 05-02-2002, 19:00
Jon Lawton Jon Lawton is offline
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H2, eh?

Quote:
Originally posted by ROJO
Why stop at helium? My chemistry tells me that hydrogen is even less dense than air, thusly making your robot that much lighter. Oh and sure the hidenburg esque fire hazard is a slight concern, but you should give it a try . But that was a correct assumption, helium will leak through rubber. It was tried on the U-2 spy plane to make it lighter but the air just leaked out
But ... Helium is for the Noble!

As a side note, H2 might not be the best gas to use, due to it's combustability... BUT if I understand correctly, the Hindenburg was in so much trouble not because of the H2 it carried, but because of the flamable paint it was coated with.

Slight Aside: I'm strongly in favor of the use of H2 as an alternate fuel source. Fuel Cells + Biomass = Bliss. It's a shame that Proton Exchange Membranes, and Platinum have to be so darn expensive!
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