On 11/21/2012 12:32 PM, Spehro Pefhany wrote:

Had a closer look at one of those this morning (feeding a plane liquid
He through a blowhole). They work very nicely- no frost on the
outside.


I gotta ask: What is the liquid helium used for? What does it do?
Was this a regular passenger plane or some military/experimental?



technomaNge
--
I'm familiar with LOX.