SR500 owners - get in here!

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SR500 owners - get in here!

Postby tehfoo » Mon Jul 11, 2011 10:11 pm

Lurk mode: OFF

I'm an SR500 owner since January 2011. We're a 2 drinker household, that decided home roasting might reign in our $300 am month Blue Bottle / SightGlass / Four Barrel habit. I roast pretty offen, every 7-10 days or so, putting about 2 green pounds through the machine each session. I take a lot of notes. I am mostly following the instructions. I cover the kitchen with bags, bowls, and colanders, plus a stopwatch, a flashlight, and a scale. I dream about thermocouples and profile graphs. Some days, I feel I have a good handle on this roasting thing. Other days, I feel lost, like maybe all along I've been a complete hack.

My lurking makes me wonder if there's many other SR500 users out there, and if so, where's the best place to compare notes? Since I 'mostly' follow the instructions, I'd like to learn where others have or have not done the same, to help sanity check my progress in the good fight.

Anyone else out there on an SR500, or and SR300? Not sure how much the older FR models are similar. I know a lot of the knowledge from the DIY Poppery crowd will carry over, as will learnings from others in the air camp. That said, if you're using a FR product, you're a lot closer to feeling the exact pain (and joy) that I go through every week or so. I''m hoping for idle chatter and commiseration at the least, and perhaps a nugget or two of insight as well.

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Re: SR500 owners - get in here!

Postby Thiol » Tue Jul 26, 2011 8:10 pm

What?! I am surprised not seeing any reply. Really no other SR500 users out there?
Well I am one. :) Have been roasting and having tons of fun for ~2 months. I roast 2-3 times a week, with one batch each time. I follow SM's shake and bake method but modify it a bit. Instead of shaking the chamber with no cover, I keep the chaff collector on and shake the 2 pieces together. For the 1st 2 mins, i do ~30sec low heat/high fan and ~15sec shaking. Start of the 1st crack is 3-4 min. City+ is usually my goal and it takes ~6min to get there.
I am happy about the result so far. Still have tons of room to improve and learn for sure but this is truly very rewarding. I would also love to hear and learn from other user out there. Let's compare notes!
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Re: SR500 owners - get in here!

Postby GenericMale » Thu Jul 28, 2011 10:54 pm

I have one too... works quite well for me but I'm eventually ripping all the electronics out and replacing them leaving just the fan and heater (and NTC) in there. I'm going to eventually try to fabricate a new control panel with a 7 inch touch screen with on screen controls and real time graphing, SD memory, thermocouple, environmental sensors, and ethernet because I'm insane.
My "Gear":
FreshRoast SR500 - Being RoastGeek'd out with a 32bit controller with 7 inch touch screen.
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Pour Over, AeroPress, Keurig, and Auto Drip brewing
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Re: SR500 owners - get in here!

Postby Thiol » Fri Jul 29, 2011 8:15 am

GenericMale wrote: I'm going to eventually try to fabricate a new control panel with a 7 inch touch screen with on screen controls and real time graphing, SD memory, thermocouple, environmental sensors, and ethernet because I'm insane.


Holy! Wow!! I need to send mine your way and have you "fix" it! :)
Just curious, what are SD memory and ethernet for?
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Re: SR500 owners - get in here!

Postby GenericMale » Fri Jul 29, 2011 12:41 pm

Sd memory is for logging and ethernet is so I can alternately download logs or setup new roasts and watch status on a full pc instead of touch screen.
My "Gear":
FreshRoast SR500 - Being RoastGeek'd out with a 32bit controller with 7 inch touch screen.
Gaggia Model MDF Grinder
Pour Over, AeroPress, Keurig, and Auto Drip brewing
ZPMEspresso Nocturn - Dec 2012
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Re: SR500 owners - get in here!

Postby tehfoo » Mon Aug 01, 2011 12:03 am

This is great, I'm glad a few people are able to share some knowledge on this roaster. Of course, at least one of you is much more crazy than I am... 7 inch screen? Ethernet? You might as well add 4 wheel drive, nitrous injection, and a roll cage ;) All I'm thinking about adding is the thermocouple that SM sells, to try and validate temperature against what my ears, eyes, and nose are telling me. :geek:

I have a ton of notes, but I just stayed up way too late roasting for the week, plus gifts for two other people. I roast a lot of decaf, so my notes aren't going to as useful to full strength roasters, but we can still compare technique. Of course, I break rule #1 and roast back to back all the time. Not sure if this will damage the machine, or how much danger of that I'm risking. It might be just the excuse I need to get a bigger machine!

Glad we're sharing data. More from me once I have some time.

Best - Aaron
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Re: SR500 owners - get in here!

Postby artworksmetal » Sun Sep 04, 2011 5:50 pm

Sorry, I don't visit here very often.
I have a SR500. I got it during the bad winter when I couldn't get out and use my homemade 1lb fluid bed without trudging through the snow. Now, it's all I use, although I'm working on a new drum roaster.
I made an extender for the chamber (about 4 ") out of 20 gauge SS. I fill the beans up to the top of the band (about 4 scoops? Been a while since I measured). Stir for the first minute, then put the bottom half of the chalf collector on.
I never use the 'up' time button, that's just stupidly designed. At about the 5 minute mark, I turn it off and back on.
Depending on ambient temperature, I start usually on M, then go to high about high at about 6 minutes. I get a nice FC roast at about 8 - 9 minutes. Right now I'm addicted to SMs El Salvador Finca Siberia Bourbon. I do about 4 or 5 roasts, and I've got 2+ quart mason jars. I'm good for 2 weeks, unless my daughter is around.
I do have a Digital thermometer - the one SM sells, but with a much better probe.
Also, I use the cooling cycle to cool the roaster, not the beans.
The SR500 is great, but it's still a glorified popcorn popper. Forget all that angst. Roast some coffee. Drink it fresh. Enjoy it. You don't have to treat it like its your doctoral dissertation.
I swear, coffee roasters get like golfers: No matter how good a round is, or a hole is, they shoulda done this different, or coulda done that. It's never good enough.
Good coffee fresh roasted is wonderful. And that should be good enough.

Aaron - as far as back to back roasts, heat can damage any electronics. I don't trust the FR to be super protected from that. That's why as soon as I dump the roast I turn it back on for a cool cycle. If the fan is running, temperatures will tend to reduce and stabilize. If you just leave it off after a roast, that heat has to dissipate by conduction in all directions, including back into the roaster. Just like your steak continues to cook for a few minutes after you take it off the grill.
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Re: SR500 owners - get in here!

Postby 3Jake » Mon Oct 17, 2011 2:25 pm

Awesome, I'm so jazzed to find a forum for these devices! A great chance to compare apples to apples!

My SR500 is un-modded, and considering some of the variance in coffees' behavior (one will go to first crack at a certain point but others will take longer or just seem to bake and never quite get there, etc) I'm thinking I need a temperature probe -- I saw a mention that SM sells one, anyone got a link and / or some instructions on installing?

Also, any other suggestions for good mods?

~ 3Jake
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Re: SR500 owners - get in here!

Postby artworksmetal » Mon Oct 17, 2011 4:51 pm

My only mod is a 4" SS extension on the chamber.

https://picasaweb.google.com/106836080865670640935/Roaster#5664609830378759970


As if predicting my own demise, I roasted my roaster. I've been meaning to clean out the chaff, but just never got around to it.
I took off the bottom, and it was totally clogged and piled with chaff. I'm sure the board overheated, since no air could flow.

Edit: for some reason, had to post picasa image as a [url] instead of an [img]
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Re: SR500 owners - get in here!

Postby martin » Tue Oct 18, 2011 8:00 am

I would guess that's because that picasa URL isn't an image URL. Digging down to the URL of the image it works fine:
Image
Of course, that's probably not intended to be directly accessed, and may very well change due to any of a variety of internal system changes, so I wouldn't suggest using a URL like this if you want to be sure it's accessible long term: https://lh6.googleusercontent.com/-GJ9L ... 640/FR.jpg
Perhaps picasa provides naked image URLs that are intended for direct access?
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