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Homeroasters - Home Roasting Coffee Community » BUILDING A ROASTER » Drum Roasters

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Cooling tray motor suggestions
kwrcst	#1 Posted on 12/30/2019 12:09 AM
1/4 Pounder Posts: 75 Joined: November 26, 2018	Hi all. I?m getting to the point of building my cooling tray and wondered what any of you have used for a motor to stir the beans? I figure 30rpm should be fast enough but I?m open to thoughts. I?m looking at this maybe https://www.amazo...&psc=1


renatoa	#2 Posted on 12/30/2019 2:56 AM
Administrator Posts: 2430 Joined: September 30, 2016	30 is too much, imo, commercials are turning in the 10 RPM ballpark. For up to 1 kg I am using this motor so far: https://www.ebay....3472053967 There are also 68/70 series, similar look, but bigger, with 28/40W rating. 15-20-30 RPM are available, but definitely 30 would turn too fast. I don't see the reason of DC for this job, you don't need variable speed, and AC save the cost of a power source.


kwrcst	#3 Posted on 12/30/2019 9:36 AM
1/4 Pounder Posts: 75 Joined: November 26, 2018	I guess I forgot to mention I already have a 24v set up for the electronics. I went that route because the DC motors were way more affordable than AC. I can get the same motor in 10 rpm if needed


renatoa	#4 Posted on 12/30/2019 10:51 AM
Administrator Posts: 2430 Joined: September 30, 2016	More affordable ? $42 yours vs $17 ...


kwrcst	#5 Posted on 12/30/2019 10:53 AM
1/4 Pounder Posts: 75 Joined: November 26, 2018	I meant the drum motor was DC because the AC version was like $200 and the one I got was $60. I wasn?t aware I needed one that slow so yes, I can go cheaper. Just figured I have a 24v power supply onboard and the less cords I have to run the better. I really just wondered what others were using and the speed. I?ll look for something slower now Thanks

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