good ideaWould use 2x ball bearing rollers for it. And a guiding tube for the cable over the weightstack.
https://shoppulleypro.com/products/pulleypro%E2%84%A2%EF%B8%8F-home-cable-pulley-system?fbclid=IwAR1oR4nDMe3WriLL2cPC2tbAhdQXLZLbpEXy193QhfSSDVh0D1yLJ7WMP9g
Why build a stupid ass back machine taking up space. Just do a few pushups a day will increase your back
This guys got an easy 10k+ set up with 8 olympic+ bars, tons of bumpers, kettlebells, dumbbells, and is going cheap on a pulley, lol.
This guy gets stuff sent to him by the companies and he reviews them. He's gotten free racks, expensive plates, sets, etc.He cant build muscle for shite, but i've seen him deadlift 500, etc.
Gayer than knowing stuff about a dude on youtube......lol..All kidding aside, it's a great set up, and more power to that dude for being able to do all that.My home depot exercise equipment is a 20/24/30 plyo box, stackable box squat boxes, pull sled, dip belt. All in cost about 70 bucks, for equipment that would cost a bit over 200.
LOLYah, I'm into gyms, home gyms, equipment, etc so I watch this guy on occasion. (He owns a real gym (or training center) as well.His personality fits me better than screaming, juiced up, phony IG drug addicts. But yes, very gay.
Bearings are a must, but I would avoid tube, so you can adapt cable to go over one or 2 rollers and if necessary have one roller attached somewhere on the lower end in front of feet. That also allows for movements like this:You will definitely want something to anchor your feet also in order to have power pulling.
Why not stand up and do cable curls?