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Message: Re: Liquid Nitrogen for cooling electrodes NASA 1966

Donice I need to clarify.. These articles speak of the actual MACHINING of the electrodes.. My question is geared more to using liquid nitrogen in place of water DURING operation.. The 27% efficiency in spoken of in the articles is due to the machining using LN. I am curious if LN could replace water thus increasing in a measured way the life of the torch components. It may not be practical but I'm curious if the Pyro team had ever experimented with this methodology.

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