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[Johnny4lsu]

Sweet setup Tony!!

[Kodyla]

Very nice Brew! I like the control board!

[brew]

Hey Kody!  For the speed control I determined what I thought should be a min/max range for the fan.  I have divided that range up into 1/8ths and created event buttons for each increment.  I also took a piece of plastic and made a larger dial pointer, gluing it to the bottom of the controller knob.  This gives a little more precision making the radius of settings larger.  Now i just need to learn to roast!

[rodraguirre]

I would suggest that you also try somehow measuring your airflow efficiency for each of those settings, especially because most likely it will not be exactly proportional (50% in your dial will not be 50% airflow).

That will be really good for you when you want to replicate profiles from other people here in the forum. Helps you translate their airflows into your dial positions.

[brew]

Has anyone done that already?  I would need an anemometer I suppose.
Are the settings using the variac that linear?  Does 50% equate to 50% airflow?  I know that if I used one I would at least match what most others settings.

[SusanJoM]

You gave me an idea....

https://www.hukyforum.com/index.php/topic,734.msg7955.html#msg7955

Still, if you do some searching on airflow, you will find that several of us have posted the results of previous testing.

[rodraguirre]

Has anyone done that already?  I would need an anemometer I suppose.
Are the settings using the variac that linear?  Does 50% equate to 50% airflow?  I know that if I used one I would at least match what most others settings.

No, Variacs are not linear either. There's a post from Susan I think where she posted a table with some anemometer readings vs Variac settings. There was also some discussion (I believe in the same thread and I believe also mentioned by Susan) about getting more airflow by taping together the tray and the vent bowl to seal it.

[Daave]

Nice job, Brew. I see that you're just as much of a stickler as I am for great cable management 

[brew]

Thanks Daave!  Old habits are hard to break.  I spent a lot of time routing cable in server rooms years ago.

[Jo]

We have been busy today,
This is our initial setup.
First roast tomorrow hopefully.
The board in the background, with the exhaust hose, will fit in the window opening.

One question, how have you guys setup your cooling tray. It seems to not fit under the drum door.
When I lift up the stove a bit, the exhaust bowl hits the needle valve dial.
When I turn the stove 90 degrees, the gas hose gets in the way of the roast air exhaust.

Input welcome.

[Johnny4lsu]

I keep my cooling tray off to the side away from the roaster. It works well.

[brew]

What Johnny4lsu said ^^^   I just grab the tray, dump beans, and place it on the fan that is out of the way.

[Jo]

Did you mount a handle on the tray for that?

[SusanJoM]

That's what the OVE gloves are for
http://www.amazon.com/Ove-Glove-Hot-Surface-Handler/dp/B000VS63DE

 

[Jo]

Ah, got it! Duh!