I've made a fairly important change since the video was made. See this (image) The rod and sliding "hooks" replaced the screw eyes so as to distribute the yarn more evenly on the drum.
1. What determines when a hook needs to slide, and what do they do when the determination is made?2. Are the hooks expected to move independently of each other?3. Are we sliding side to side along the shaft or rotating around the shaft?
rip the drive mechanism and motor out of an inkjet printer and use it as-is, using an Arduino to replace the part of the printer that controlled it.
Quote1. What determines when a hook needs to slide, and what do they do when the determination is made?2. Are the hooks expected to move independently of each other?3. Are we sliding side to side along the shaft or rotating around the shaft?1. Ideally, they would slide very slowly but continually back and forth as the crank is turned. "As the crank is turned" suggests a purely mechanical device might be better suited. I mean, I might need to answer the phone, pour more coffee, take a leak, and forget to turn off that motor. When I move them manually, it's in response to certain visual cues; the yarn is getting deep in a particular slice of the drum, and the "V" shape of the split yarn starts to move towards the place where it's mounding more deeply.2. As it is right now, yes, they move independently. Whether they are moved by purely mechanical means, or with the assistance of electronics, they would slide back and forth in unison. I anticipate a nearly perfect distribution of the yarn around the drum, and zero breakage.3. They slide side to side.
As you change the speed of the drum, you want to also increase the speed of the side to side movement.
I'm sure you understand exactly how this works, but to someone unfamiliar with the process you are going to have to explain it like you are talking to a toddler. lol
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