Please check out v2.0 here: https://satisfactory-calculator.com/en/blueprints/index/details/id/9266/name/Ultracompact+Iron+Motors+10%2Fmin+v2.0 While the new one has a slightly larger footprint, it is fully load-balanced (no waiting for hours for buffers to fill) and doesn't need silica/quartz!

Input:

• Iron Ore 300/min (accepts 270/min on Mk.3 also)
• 554 MW

Output:

• Motors 10/min (9/min if using 270 iron; see below for extended start times)

Misc:

• Schematic: https://www.satisfactorytools.com/1.0/production?share=EM1Twcza8lS4JJFdVGs7
• Size: 3x4(!), made in vanilla Mk.3 blueprint desinger
• Includes industrial storage container. Room for a dimensional depot, if desired. Tons of space in this factory!

Starting the factory: Add power and iron. If you add the full 300/min, the factory is running at 50% efficiency after 1 hour, 90% efficiency after 2 hours, and 100% efficiency in just under 4 hours. If you load iron at 270/min with a Mk.3 belt (10% less iron, 90% theoretical max efficiency), the factory is running at 50% efficiency after 1 hour, 83% after 4 hours, and 90% after 10 hours.

Commentary: I continued to think about how I could build even smaller than my 3x5 early steel plant (https://satisfactory-calculator.com/en/blueprints/index/details/id/8440/name/Ultracompact+Steel+Beam+%2B+Steel+Pipe+%2B+Encased+Industrial+Beam+AIO+MK3+v2.0). Motors seemed both incredibly useful and well-suited, since it mostly uses a bunch of constructors. I developed a new shuffled constructor tower with vertical offsets just 1m apart to essentially halve the area needed. Looking forward to using this in later builds. There was one moment of panic during construction when I realized that one belt buried in the middle of the mass was the wrong speed. It would have been a total rebuild if not for SCIM editor! I'm happy with the beltwork in this one at the ends and put in some nice big windows so you can watch the factory in motion.

Acknowledgements:

• Inspired by Bolganoth's Pure Iron Motors (https://satisfactory-calculator.com/en/blueprints/index/details/id/7594/name/Pure+Iron+Motor+5pm) which I've used in multiple playthroughs (my factory is less than half the size and makes twice as many motors)
• Katoo, the black belt of black belts (https://satisfactory-calculator.com/en/blueprints/index/index/idU/30791/user/Katoo)

All my blueprints https://satisfactory-calculator.com/en/blueprints/index/index/idU/59662/user/mustard

If you find any bugs or have questions, find me on discord as .mustard. (must use both periods).