[Source for the Art](The source for the art: https://twitter.com/konwashi_2/status/1849000087248376017?s=46)

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[–] 10 points 2 years ago

to replace the air cooling of the barrel.

radiators work in space, just not as efficiently. fill 'em with ammonia, put more fins on for larger surface area, I'm sure the M2 could be adapted.

https://en.wikipedia.org/wiki/External_Active_Thermal_Control_System

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