8 Fully beaconed rows (12 Beacons with 24 Speed Mod3 for each assembler); each row includes:
- 2 Pipe assemblers
- 28 Engine unit assemblers
- 48 Chemical science assemblers
- Fun Fact: It takes 11 seconds for a single nuclear fuel powered locomotive with no cargo wagons to traverse the length
Each row produces approximately 2,500 Chemical science packs a minute. With all 8 rows this setup produces just over 20k/min Chemical science packs.
Reddit Post: https://www.reddit.com/r/factorio/comments/ciryt1/rip_my_20kmin_chemical_science_pack_factory