Here is what my X1 can do with 0.6 CHT nozzle and dual heater mod. High flow PLA and temp bump. Started at 20mm³/s and went up by 1mm per 1mm³/s. So nice and smooth up to 46mm³/s, up to 50mm³/s with a few skips and imperfection and finally a line failure at 54mm³/s.
