Now I've got a 'proper' extruder for the UM2, I might try some flexible filaments, the Bondtech Extruder grips the filament all around and is a closed chamber, so should work 'ok' with a Bowden..
Here is the Bondtech QR Fitted:
You can see one of the gear drives
And printing the usual Extrusion test easily hits 10mm3/s which I could never get with the old extruder, I might see how much more it can flow, I do have the Olson Block and I upgraded the heater to a 35W last year, so should do a bit more..
Here is the Bondtech QR Fitted:
You can see one of the gear drives
And printing the usual Extrusion test easily hits 10mm3/s which I could never get with the old extruder, I might see how much more it can flow, I do have the Olson Block and I upgraded the heater to a 35W last year, so should do a bit more..