Weight Damage
Up to BL/8 Thrust, -2 per die
Up to BL/4 Thrust, -1 per die
Up to BL/2 Thrust
Up to BL Thrust, +1 per die
Up to 2xBL Thrust
Up to 4xBL Thrust, -1/2 per die (round down)
Up to 8xBL Thrust, -1 per die