New answers tagged materials
8
The in-development Prime launcher from Orbex has an uncommon arrangement:
One key aspect of propane is that it remains liquid at cryogenic temperatures. That enabled a “coaxial tank” design for Prime where a central tube of propane is surrounded by an outer tank of liquid oxygen, creating structural mass savings in the rocket.
(From Space News )
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3
Absent specific details about the printing filament, it's impossible to say anything in particular about this application.
Some general points of knowledge though:
The primary sources of polymer degradation in orbit are UV radiation, atomic oxygen (AO) erosion, outgassing, and thermal degradation. These all present challenges regarding material selection, ...
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