Starfleet Records: Maneuvers. Time travel. The slingshot effect: This maneuver is performed by traveling at an extremely high warp factor towards a massive body with a high gravitational attraction, such as a star. After allowing the gravitational pull to accelerate the vessel to even faster speeds, the vessel would then break away from the stellar body, creating a whiplash effect which could transport the vessel through time. Performing this maneuver required extremely precise calculations to b

Starfleet Records: Maneuvers. Time travel. The slingshot effect: The slingshot effect, also known as the light-speed breakaway factor, is a method of time travel through the use of an artificially-created time warp. Sources: TOS: "Tomorrow is Yesterday"; Star Trek IV: The Voyage Home. Star Trek Star Trek Online | Starfleet Command