dimension drive
a spaceship with components that are 4th dimensional, 5th, 6th or Nth dimensional could use those components to shift their weights into the Nth dimension so that the components could get a grip on the Nth dimension while they are still partly in the 3rd dimension and/or as they are connected to the spaceship in the 3rd dimension then the space ship could use those components to climb upwards through the atmosphere into space and then the spaceship could use those compinents to pull itself forward through space that space ship would not need reaction mass to travel which could revolutionize spaceflight for humans