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First Post - Building my Turbo Crazy
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boss99er
Senior Member


Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Sat Jan 25, 2014, 8:09pm
Subject: First Post - Building my Turbo Crazy
 

Hey guys, excited to join here and be part of the community!

I just received all of the parts to build my Turbo Crazy. The first thing I wanted to do was replace the plastic shaft to avoid issues down the road. In trying to eliminate the plastic shaft, I decided to try a different approach.

I used a 1/2" deep socket. I then just dropped an all-thread bolt into the socket with a nut toward the top to add stability. Now, I need to make a new agitator because my metal shaft setup screwed up how the old one works. Here are the pics.

The socket: http://i.imgur.com/JR5NKmX.jpg

Sitting on the motor drive: http://i.imgur.com/ium2rsi.jpg

The bolt with stabilizing nut: http://i.imgur.com/ywiKn3k.jpg

Agitator sitting on the assembly: http://i.imgur.com/TFwBOiT.jpg

Now I just need to build my new agitator. Any suggestions?
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boss99er
Senior Member


Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Sat Jan 25, 2014, 8:42pm
Subject: Re: First Post - Building my Turbo Crazy
 

Does anyone think this is just a bad design? I'm open to any and all suggestions.

Thanks guys!
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ilcaffedio
Senior Member


Joined: 31 Jan 2006
Posts: 455
Location: Atlanta, GA
Expertise: I live coffee

Espresso: Astra G.A.
Grinder: Baratza Vario
Vac Pot: Yama
Drip: Chemex
Roaster: Behmor 1600
Posted Sat Jan 25, 2014, 10:03pm
Subject: Re: First Post - Building my Turbo Crazy
 

I don't want to discourage you, but I eventually gave up on my SC/TO build in favor of a commercially made roaster (Behmor 1600).  The SC/TO in my opinion is a kludge.  That said, I highly recommend trying it for a while.  It's very low cost, and you will learn a lot that will transfer over to your next roaster.
The upside to a SC/TO is not the low cost, it is the fact that the SC/TO gives you a fairly direct control of the roast.  You will learn a lot more about roasting with a SC/TO, than with an automated roasting appliance like the Behmor.

Edit: grammar
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ilcaffedio
Senior Member


Joined: 31 Jan 2006
Posts: 455
Location: Atlanta, GA
Expertise: I live coffee

Espresso: Astra G.A.
Grinder: Baratza Vario
Vac Pot: Yama
Drip: Chemex
Roaster: Behmor 1600
Posted Sat Jan 25, 2014, 10:12pm
Subject: Re: First Post - Building my Turbo Crazy
 

By the way, your stirring arm set up looks good.  I ended up putting brass barb plumbing connectors on the rods for stirring.  One note, be mindful of material safety with regards to the parts that you use that come into contact with the beans.
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boss99er
Senior Member


Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Sun Jan 26, 2014, 6:08am
Subject: Re: First Post - Building my Turbo Crazy
 

ilcaffedio Said:

I don't want to discourage you, but I eventually gave up on my SC/TO build in favor of a commercially made roaster (Behmor 1600).  The SC/TO in my opinion is a kludge.  That said, I highly recommend trying it for a while.  It's very low cost, and you will learn a lot that will transfer over to your next roaster.
The upside to a SC/TO is not the low cost, it is the fact that the SC/TO gives you a fairly direct control of the roast.  You will learn a lot more about roasting with a SC/TO, than with an automated roasting appliance like the Behmor.

Edit: grammar

Posted January 25, 2014 link

Nah you're not discouraging me. I knew what I was getting in to. I'm a tinkerer....so I figured I HAD to build my first roaster. If I would have bought a commercial roaster to start, I would have ended up messing with it until I broke it. Ha ha! I mostly just want to see if I can build it, see if I can roast with it, and see if I like roasting. I'm guessing the answer to all three will be yes.....so we'll see where things go from here!

As for the safety of materials, I should be ok..........I think.
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PJK
Senior Member
PJK
Joined: 21 Jan 2002
Posts: 2,317
Location: Shingle Springs CA
Expertise: I love coffee

Espresso: Rancillo Silvia, Tonic...
Grinder: Modified Rocky, Elma side...
Vac Pot: Old Silex
Drip: Melitta BCM 4  +Some old...
Roaster: Hottop, Modified Z&D,...
Posted Mon Jan 27, 2014, 8:18pm
Subject: Re: First Post - Building my Turbo Crazy
 

Looks Good!

Good to see someone building stuff again! Like the old days.

My Hottop is just out of warrantee so the hacking may start soon.  My stereo equipment needs love too, but at least that infernal beeper has to go.  It is about to put me in the looney bin.  A bean temp. probe hopefully will come soon as well.  More power would be nice. I was pushing the roast heater in my little Z&D to about the 700 Watts this Hottop has, but that rendered them consumable and Nesco would not sell them.  If / When I start pushing this one to ~1KW at least I can buy replacements.

Phil

boss99er Said:

Hey guys, excited to join here and be part of the community!

I just received all of the parts to build my Turbo Crazy. The first thing I wanted to do was replace the plastic shaft to avoid issues down the road. In trying to eliminate the plastic shaft, I decided to try a different approach.

I used a 1/2" deep socket. I then just dropped an all-thread bolt into the socket with a nut toward the top to add stability. Now, I need to make a new agitator because my metal shaft setup screwed up how the old one works. Here are the pics.

The socket: http://i.imgur.com/JR5NKmX.jpg

Sitting on the motor drive: http://i.imgur.com/ium2rsi.jpg

The bolt with stabilizing nut: http://i.imgur.com/ywiKn3k.jpg

Agitator sitting on the assembly: http://i.imgur.com/TFwBOiT.jpg

Now I just need to build my new agitator. Any suggestions?

Posted January 25, 2014 link


 
Philip J. Keleshian
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boss99er
Senior Member


Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Tue Jan 28, 2014, 8:47am
Subject: Re: First Post - Building my Turbo Crazy
 

PJK Said:

Looks Good!

Good to see someone building stuff again! Like the old days.

Phil

Posted January 27, 2014 link

You'll likely see a fair amount of this out of me. I cant leave things alone. I haven't even finished the TurboCrazy yet and I'm already working on plans for a bottom half to replace the StirCrazy portion. I think eventually I'll be building a stainless pan with motor base type of setup...
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boss99er
Senior Member


Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Sun Feb 2, 2014, 10:29am
Subject: Re: First Post - Building my Turbo Crazy
 

Chaff Ejector 2.0

Hey guys, I had my chaff ejector built, but the big gap under the ring leading up to the chute bothered me. You can see it here:

http://i.imgur.com/KwB2ipH.jpg

And here:

http://i.imgur.com/fplxsRz.jpg

It looked to me like chaff would fly out under the ring, negating the benefit of the ring...which is having all chaff exit in a orderly manner, and probably losing lots of heat.

My fix was to make another ring with a chute like this:

http://i.imgur.com/56tF30L.jpg

http://i.imgur.com/58VZ1SY.jpg

MUCH better with little or no gap under the ring leading up to the chute. I'm probably not the first to think of this, but I was pretty proud of my mod. Just figured I'd share it on here to prevent someone else from making my initial mistake.
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boss99er
Senior Member


Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Sat Feb 15, 2014, 5:30pm
Subject: Re: First Post - Building my Turbo Crazy
 

First roast complete!!!

If it tastes as good as it smells, I'm really going to enjoy roasting my own beans!!!

Roast Stats:


50 degrees outside
6oz green
9:00 start FC
11:30 start SC
Stopped :20 into second crack

Completely cooled by 13:15

Since this was my first roast ever, and first roast with my new setup....I was kinda all thumbs getting into the cooling setup.

Here are some pics:

http://i.imgur.com/5zTe9XN.jpg

http://i.imgur.com/O2OSNUI.jpg
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Vsquare
Senior Member


Joined: 25 Jan 2014
Posts: 10
Location: NJ
Expertise: Just starting

Posted Wed Mar 5, 2014, 10:22am
Subject: Re: First Post - Building my Turbo Crazy
 

Looks nice. I'm also thinking of doing the same. Could you please tell me what did you use? Did you use the Stir Crazy 6 qt popper and where did you get the metal ring that went around the popper that acted as a chute for the chaffings? Thanks.
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