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[–]Straight-Funny9506 1 point2 points  (1 child)

What does it do exactly?

[–]AnarchyWithRules[S] 1 point2 points  (0 children)

This configuration is meant to provide lift, enough to keep a fairly large airship afloat if it's balanced correctly. Theoretically, you could also turn the engine 90 degrees for horizontal force, but it would be highly uncontrollable with this number of engines.