And just to put those numbers further in perspective: the current design goal of the SpaceX Raptor engine is 3MN (3000kN). Currently they have achieved 2.64MN during ground testing. It is speculated that each of the 33 engines of the superheavy booster during testflight 4 were configured for a thrust of approx 2MN.
Obviously the Raptors are much, much larger than the 3D printed engine from the article.
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And just to put those numbers further in perspective: the current design goal of the SpaceX Raptor engine is 3MN (3000kN). Currently they have achieved 2.64MN during ground testing. It is speculated that each of the 33 engines of the superheavy booster during testflight 4 were configured for a thrust of approx 2MN.
Obviously the Raptors are much, much larger than the 3D printed engine from the article.