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Impulse is not a speed in the same way that warp is a speed. Impulse is the term used to describe slower than light speeds, and so impulse speeds can vary from ship to ship.The preceding unsigned comment was added by (talk).

Never any more than 1/4 of the speed of light due the fact that you gain mass when you get close to the speed of light with linear movement.The preceding unsigned comment was added by (talk).

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