either 1000 and 20-25% dampening or not more than 150/200.
Else you won\'t be able to hit pirates.
The dampening actually decreases the pirate speed, because they have so much hull. (1 Thrust is 10m/s accelleration for 1 mass.
1:1 Thrust will give you 100 speed with default settings. Fighters with 4:1 thrust on 20/25% dampening have a max speed of 50/40 - twice as much with 2:1 thrust.