[Spaceships] Actually GMing a world with Pseudovelocity drives?

[David Johnston2]

Originally Posted by Molokh

Well, just how much does it invalidate the use of shells and missiles?

"Our weapons fire at the speed of light and our engines move us at faster than the speed of light."

"So?"

"We just shot our own ship down."

Unless the projectiles have their own pseudovelocity propulsion, the ship will collide with them if it is firing forward at any speed worth mentioning. It could I suppose launch them rearward or to the sides.