Any Ideas on how I can improve my fully automatic smooth stone generator?

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It currently doesn't work. The fuel supply isn't stable enough.

 

apparantly no one here knows redstone sorry

 

I think you just need several hundred more bamboo farms, its a terrible fuel source but also the only easily automateable one in the overworld. i guess you could do carpet duplication if you dont mind being a bit cheaty.
you could probably also blow up a fair bit more stone with each blast if that becomes a bottleneck later

 

I've done some trouble shooting, and it seems that the bamboo farm I built to generate bone meal for the main bamboo farm is too slow, causing the main bamboo farm to be too slow, so there isn't enough bamboo coming out to become a fuel source. This whole thing is about being overcomplicated, so I guess I can build a blaze farm in the Nether, then create a system to push them into the overworld, then create a skeleton farm to get arrows to use to kill the blazes, and then...(I will spare you from the multiple paragraphs that would follow)

 

This is what i use in my survival worlds, it usually always works!!

 

TNT duplicator on a timer at the top
Much more compact cobblestone generator
I don’t know how to make super smelters but it should be closer beneath the blast chamber

 

I only know how to make redstone timers using minecarts, so that's probably the biggest problem here...

 

https://minecraft.fandom.com/wiki/Redstone_circuits/Clock/hopper_clock

 

If you need a lot of bamboo, I can recommend copying Etho's Bamboozler. There's probably a good tutorial for it on YT, and if not, you can download his world and copy it from there.