Was having clogging issues so I thought I'd replace and get the mythically good capricorn tubes. This is a good sign that I needed to.
this post was submitted on 05 Sep 2024
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When it comes to pressure advance the difference between a bowden extruder and a direct extruder is more than tenfold. So no, it's not "negligible at best".
If the difference was negligible no one would put the extruder on the toolhead where the weight has a big impact on maximum acceleration
You don't really use pressure advance in bowden systems because the bowden system is flexible enough that it actually negates most of the advantages of pressure advance. As the pressure increases, the bowden tube itself stretches lengthwise. This has little or nothing to do with the interior bore of the PTFE tubing. The reason you are increasing it so much is because you're overshooting due to the length of the tubing, not the internal diameter.
We're not comparing Bowden vs Non-Bowden here, regardless. We're comparing generic PTFE bowden, to "Capricorn" bowden anyhow.
So you've managed to argue the completely wrong thing to begin with, AND you were wrong on the thing you argued. Congrats.