Subscribed! Mate, if thing turns out like your last project, I will be watching every step of the way
Now a few questions!
Just wondering what you mean when you say higher count encoders will slow it down? Is this due to the 45Khz limit in Mach2? If so, then surely this will increase the likelyhood of a fault, since the geckos will only bear (bare?) a 128 pulse error before faulting, then 128 pulses could end up being a fraction of a degree - please excuse me if I am barking up the wrong tree, I have no idea what encoders you have, or even if you are using geckos
Anyhow, I would love to see this machine run off of balscrews too, don't forget that Reid Tool will export from the USA for an extra $25 admin fee. Again, I have no experience with belts, but I think they are better suited to longer beds than 4 foot since ballscrews should still be affordable.
Anyhow, don't let me put you off, it's gonna be great either way