[Spaceships] Real Life Non-Super Science Reactionless Engines

[Anthony]

Originally Posted by Ulzgoroth

It's possible they messed up the whole thing, and not doing vacuum tests for something intended as a vacuum drive is a serious omission, but I don't see any reason to call this a failure.

"We had a theory, we tested it, and the theory failed to predict the results" is failure. Separately, the test is worthless junk.