Just a little piggy back advice here, Jim and Ger seem to be the masterminds behind everything here lol.
If they have advice to give, it's worth more than their time typing it.
Oh, and thank god that measurement was a typo 😂
50' machine sounds incredibly insane for 99% of anyone in the world lol.
I myself have decided to build a steel frame, 4' x 4' router, using a rack and pinion system and N34 steppers, based off of a multicam that I have access to.
Goodluck with your build. And be sure to keep us updated!
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