Coffee Roasting 20k Mill City Minimum Batch
@BrianW
Posted in Coffee Roasting
20k Mill City Minimum Batch
Hey y’all!
Was curious if anyone with a Mill City 20k had any experience with minimum batch sizes?
We’re looking to implement two batch sizes (minimum and our largest at 28lbs). Looking for advice like:
- Better to do the smallest batches first in the day or last?
- What is the smallest suggested batch?
- Good starting charge temperature for minimum batch size on 20k?
- Best way to approach the difference in probe temperature from smallest batch to largest batch?
- Any other advice?
Our first coffees at smallest batch with be some decafs, a Natural Las Lajas, and an Anaerobic Mexico Natural.
Thanks y’all!
I have 15kg my production batches are at 11kg most of the time. The smallest batch I try was 1kg for fun and holy crap the RoR was crazy high and the roast was done in 3 minutes lol 75% of full load seem to be the way to go with my roaster so far. I had Las Lajas Black Diamond soooooo good.
We have a 20kg, the sweet spot for me has been in the 16-18kg range. The lowest batch size that I have been able to replicate multiple roasts with has been at 10kg, but I had to mess around with drum speed and wouldn't recommend doing that for the first batch of the day depending on your warmup process.
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