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Home Built Electric with Pictures

post #1 of 26
Thread Starter 
I just thought I would post a few details and pictures of a recent build I did.

I picked up this Proofer from a guy who was no longer using it. It had been sitting outside for a while so it had lots of oxidization on it, but it cleaned up fine using steel wool and a mixture of vinegar and water, then a little light sanding.

I removed all the heating elements out of the bottom of it and removed the blower which was seized. The unit was too tall for where I want to locate it so I removed the top portion (about 5 or 6 inches) which housed the controls. It was a simple case of drilling out the rivets. I shortened this section and reinstalled it for the top. I have also removed the casters that were under it because I permanently installed this in my garage as well. When I removed the top controls I wasn't very impressed with the insulation in it. It was insulated with fibreglass insulation and very little of it. So, I removed the back, sides, bottom and door and re-insulated with mineral wool insulation which has a much higher temperature rating.

The outside measurements are 25" W x 31" D x 66" H
The inside measurements are 21.5" W x 28" D x 61" H
The insulation in the sides, back, top and bottom are 1 1/2 inches of Roxul Mineral Wool and the door is the same insulation but it is 1 1/4 inches thick.

Heating & Air Circulation
I thought I would tackle these together. I used a high temp blower. It draws the air off the bottom of the smoker and returns the air blowing it across two 1100 watt finned strip heaters. The blower runs full time and the elements are controlled by a PID. The CFM of the blower is 130 and the maximum air intake temperature is 450 degrees. By using the blower and finned strip heaters I am able to consolidate it and limit the exposure to the heating elements from any grease and in turn reduce the risk of fire as this unit is installed in my heated garage.

Smoke Generator
I have a Bradley OBS smoke generator & Adapter that I used which works very well.

I made a 4 inch vent in the top of the unit, similar to the style of the one in the top of the DBS Bradley sitting next to it.

Click on the Photos to enlarge them

This is a picture of the starting point.

This photo shows the unit laid down waiting for insulation and to be riveted back together.

Here's a picture of the wiring diagram.

This shows the wiring in the main control box. I used heat sinks under the SSRs and a 30 CFM blower for cooling.

This shows the 130 CFM blower I used to circulate air over the 1100 watt finned strip heaters.

This shows how I mounted the strip heaters and the air intake for the blower. I may add a deflector between the intake and the heaters. So far it works good as is so I will just monitor it.

Close up of the control panel. I added indicator lights for each circuit so you can easily see if you have a power problem with either circuit.

This picture shows how I connected both smokers to my rangehood vent which is vented out the wall of the garage. My Bradley is also controlled with a PID. I have also added a circulation fan to it and off set the smoke generator for cold smoking.

Sausage waiting for smoke... I have since changed how I hang the sausage. In this picture they were a little too long, a couple of them pulled apart. I just wanted to see if I could do it that way. I had some linked and some just really long. In the future I will hang an upper row and a lower row to avoid them self destructing. They turned out great though!

post #2 of 26
WOW! eek.gif
post #3 of 26
nice REAL nice...........i was thinking to myself, WTF is a proffer, till i saw the pic...........we used one when i werked at pizza hut MANY MANY moons ago..........its where our pan pizza's rise at.............thats a very nice job dude.........POINTS! ! ! ! ! !
post #4 of 26
Very nice job Mike!! You definitely know what you are doing.
post #5 of 26
Nice job and good idea....work with what ya got...welcome to SMF.looking good mike
post #6 of 26
Great workmanship. Very impressive.
post #7 of 26
very nice and sanitary.
post #8 of 26
very nice some days i will own one of these
post #9 of 26
Thread Starter 
Thanks guys

My main purpose for this smoker was for smoking large batches of sausage. So far it works real well.

post #10 of 26
my goodness mike... well done! you've been busy huh...
post #11 of 26
Very impressive, you have added more thoughts/items to my wish list !!!
post #12 of 26
Wow, what a great job on that electric smoker. You are an experienced man enjoying his project, Congrats.
post #13 of 26
Excellant job. That is high quality workmanship. Where did you get your controls, fan, and heaters?
post #14 of 26
Thread Starter 
The controls (PID, SSRs, Thermocoupler, Heat Sinks) came from Auber Instruments. Here is a link:

The hight temp blower came from Acklands Grainger here in Canada (Grainger in the USA). The finned strip heaters are also available from Grainger in the USA but unfortunately not in Canada. I had to order the heaters from Omega in Canada.

post #15 of 26
Great job!!! I want a big smoker like this so bad. I haven't been lucky enough to come across something to make one out of yet.
post #16 of 26
Excellent job Mike!PDT_Armataz_01_37.gif
post #17 of 26
WOW!!! That can be used for large batches of ANYTHING!
post #18 of 26
That is the most impressive job I've ever seen for a homemade smoker. I'm thinking you might be an electrician. Certainly very skilled in many areas.
post #19 of 26
Dang Dude, Gulf Power would love for you to be one of their customers. Nice Build!
post #20 of 26
Thread Starter 
Thanks guys!

Not an electrician though... Just like to play! icon_smile.gif

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