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more Capacity out of SR 500
Dann-Oh
Does anyone have any tips for getting more beans into a batch per roast? I feel 100g is on the small side of what I want. We seem to be going through the 100g batches in about 3 days. I can only roast on the weekends and Id like to roast larger batches. Any ideas?
oldwasichu
100g is about the limit with making batches on that machine. I typically wait about 3-4 hours for the machine to cool and then make another batch. Typically do 3-4 batches over the weekend and that gets me through the week.
renatoa
Why wait to cool? when on popcorn machine, I was running back to back 3-4 batches...
DIY: TO based IR 750g
Moded commercial: Dieckmann RoestMeister, Nesco, popper(s).
TC4ESP, MS6514, USB/Artisan/Apps, PID controllers
Grinder: MBK Feldgrind, mod'ed Porlex to 47 conical burrs, vintage PeDe Dienes, Kinu M38
Gaggia Mini, Aeropress, drip
oldwasichu
Supposedly you'll shorten the machine life. I have no way to know if it's true or not. Electing not to take the chance.

The other reason to not roast back to back is you'd have to make a slight adjustment to the roast profiles recipe as the unit would start from a warmer point. I routinely dry my beans for 2 minutes at low temp, before starting the roast process in earnest.
Edited by oldwasichu on 03/11/2018 1:05 PM
renatoa
Already preheated my popcorn machine, never started the very first roast from environment temperature.
Sure, started with lower temp, about 175C, but not cold. So all roasts were consistent.
DIY: TO based IR 750g
Moded commercial: Dieckmann RoestMeister, Nesco, popper(s).
TC4ESP, MS6514, USB/Artisan/Apps, PID controllers
Grinder: MBK Feldgrind, mod'ed Porlex to 47 conical burrs, vintage PeDe Dienes, Kinu M38
Gaggia Mini, Aeropress, drip
JitterzZ

Quote

Dann-Oh wrote:

Does anyone have any tips for getting more beans into a batch per roast? I feel 100g is on the small side of what I want. We seem to be going through the 100g batches in about 3 days. I can only roast on the weekends and Id like to roast larger batches. Any ideas?

AlanAdler does 140 grams in his SR500. He also made a nice mod for the roast chamber that effectively turns the sr500 into a spouting bed: http://coffeegeek...010#594010
A nice mod here that I'm getting ready to try: https://forum.hom...ad_id=4760(Update: Broke my SR500 chamber trying this. Time to order a new one).
Edited by JitterzZ on 03/13/2019 3:00 PM
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