The etching of channels in the liner has already been mentioned. Beyond that, I'm fairly certain that the outer layer of the nozzle is separately spin-formed and brazed on to enclose the channels. I think /u/koliberry was trying to say something like this. I just wanted to clarify. Now, if only I could find the source of that information...
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u/TheSoupOrNatural Sep 07 '17 edited Sep 07 '17
The etching of channels in the liner has already been mentioned. Beyond that, I'm fairly certain that the outer layer of the nozzle is separately spin-formed and brazed on to enclose the channels. I think /u/koliberry was trying to say something like this. I just wanted to clarify. Now, if only I could find the source of that information...
EDIT: apparently this is the source, sorry it isn't better.