Thanks so much Ed, it was great seeing you! Cheers, Aaron

Do stop by Broadsheet and say hi if you make it over to Cambridge - I'm the owner & roaster and a long-time HB-er. Back from NY Coffee Fest and in the shop on Monday. Cheers, Aaron

So sorry, he was too young and with so much ahead of him. I learned a lot from his posts here. Condolences to his family, friends and everyone close to him

Tandem Coffee in Portland is great. They have both a roastery with a small coffee bar, and an amazing cafe with fantastic baked goods as well. If you can only go to one, I'd visit the cafe/bakery (in a converted service station)

Wow! What a great hybrid design and at a great price too. Do you know if this is fitted for propane or natural gas? Great find!

The point I was trying to make was that the mod worked on a machine with a build date somewhere around Dec 2014...so perhaps it will work on others ordered on or before this time and not just the pre-Mill City roasters. Anyway and FWIW, just wanted to add a +1 to Joel's mod for my specific machine as

Not sure if this helps anyone, but to put a date on my roaster, I ordered it from Mill City in Dec 2014 and I believe it shipped in April 2015

40%: {image} 50%: {image} 60%: {image} Overkill...but seeing the photos in series is fun

There is only very slight negative pressure at 0% fan. At 10%: {image} 20%: {image} 30%: {image}

Here's the requested video: {video} If it isn't clear from the video, the mod allows for fan speed control over pretty much the entire 0-100 range. Hopefully you can both see and hear the difference in fan RPMs at the different fan settings. And here is a snapshot of my rather inelegant wiring: {ima...