Okay I just finished a tribal halfsleeve, I figured it was a good chance to try the Rotar at lining. And it kinda sucked for it. Used a medium 5rl. Yes it has a pretty punchy hit and the lines flew in easy on one pass but lord it spit a lot and pulled ink up the tube soaking my machine in black. Had to dip every 3" of line. Luckily I bag and seal my machines so I just let it go til I finished. It also just sounds angry at liner speed with a lot of vibration that made it harder to keep steady lines. I'm definately much happier with it at lower rpms. Just spent 1/2 hour cleaning the thing lol.