For side or front thrusters, use 2 to 4 thrusters per side ( not set in stone ), remember to place them more or less symmetrically compared to the center of mass of the ship.

• 对于侧推进器或前推进器，每边使用2-4个推进器（可以改变），记住：放置位置尽量与飞船质心相对称。