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Revision to Pressure advance

Jason Znack

== How much pressure advance to use? ==
-The amount of pressure advance required will vary based on numerous factors that affect the elasticity of the extrusion system such as the distance between hotend and extruder gears, the type of material, the print speed and temperature, jerk and acceleration values. The predominant factor being the length of bowden tube between the extruder and hotend. A very long bowden tube (1m) may require S values approaching 1.0. Whereas a direct drive extruder like a Titan Aero has good results with a value of 0.05.
+The amount of pressure advance required will vary based on numerous factors that affect the elasticity of the extrusion system such as the distance between hotend and extruder gears, the type of material, the print speed and temperature, jerk and acceleration values. The predominant factor being the length of bowden tube between the extruder and hotend. A very long bowden tube (1m) may require S values approaching 1.0 or even 2.0 in some cases. Whereas a direct drive extruder like a Titan Aero has good results with a value of ~0.05.
A good starting point for tuning for PLA is as follows:

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