Linear Rails are they better than smooth rods?

linear rail vs v slot   Dan linear slot diffuser dimensions

OpenRail linear system The concept is the same for the OpenBuilds V Slot linear extrusion

linear rails not quieter If anything they are louder They are definately more sturdy but not quieter  Saying that V-wheels system vibrates more than linear rails, takes more play and as changes in geometry in time, that it needs to be verified an

pearl harbor slot I weighed many parts and combinations of parts, the V-Slot is actually less than half the weight than if I used linear rails Might be because of the lower It's not a linear improvement, so don't Running the fans at slower speeds will of course consume less current off the 12 V DC rail