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Total friction. You won't need numbers if you try it out - the difference is immediately obvious if you disengage the feeder drive cog and slide the filament into the tubing - much less friction.
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ultiarjan 1,223
My guess would be higher friction in the bowden due to the more extreme curve on that position. It's basically why I made this;
https://www.youmagine.com/designs/ultimaker2-rail-system-u2rs
though this should probably not be necessary with a good feeder....
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eldrick 65
Nevertheless, using a PTFE Bowden tube 8-12" longer than OEM will reduce friction considerably.
Here's the stuff you want: http://www.amazon.com/gp/product/B00KJDE67G Also comes in 10" length.
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Dim3nsioneer 559
Nevertheless, using a PTFE Bowden tube 8-12" longer than OEM will reduce friction considerably.
Here's the stuff you want: http://www.amazon.com/gp/product/B00KJDE67G Also comes in 10" length.
Some measured numbers for this reduced friction would be interesting. Are you referring to total friction or friction per length?
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