Hi Planetfall, I'm loving this mod. You're latest update with all the optional experimental intermediates is excellent. I did notice that the "powered articulated mechanism" recipe was missing from my game, at least I wasn't able to find a technology that unlocked it in my tech tree. I was able to get the recipe with the console (/c game.player.force.recipes['powered-articulated-mechanism'].enabled=true) but I figured I'd report this just in case it's a bug. I'm running a million other mods so it's likely something else I have that's conflicting. Just FYI, I'm running K2, SE, all BZ mods and your mods (brass tacks and if I had a nickel). I've also got 248k in my game but it's not in the overhaul mode so in theory it shouldn't be impacting any of these other items... but you never know, maybe it is and I just need to remove it.