I did some experiments with the pulling force of the extruder at different currents. For some reason the extruder initially got stronger as I increased the current but soon after it got weaker. I believe 1250ma is the default. 1300 is stronger. 1350 is getting weaker again. Don't know why. Also the higher stress on the pcb driver means the extruder driver may shut of power briefly and it can spin backwards from pressure. Also the motor itself can get hotter and melt/soften the PLA such that it grinds up the filament.
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yes. I did some research. The slowness has to do with keystrokes so if you paste in the text it's fine. Chrome is allocating about 1mb memory per keystroke - when you get to 1gb (a typical post) chrome will crash.
I will be pasting my messages from now on until the forum is fixed.
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