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Tuckeradams2012
11-06-2020, 01:04 PM
Afternoon All,

Figured I would finally get my mind off of the election and back to maple. I have a couple quick questions as I will be building my oil evaporator over the next few weekends. I will be putting a 2x4 pan on top, AOF using square tubing, AUF piped from the same blower and plan on exiting with a smoke stack out of the top and not the side.

Question 1: When it comes to ceramic blankets should it wrap the entire bottom of the fire box which will have grates and AUF on top of it? AUF most likely will be using black iron pipe like others I have seen on here. Also should the firebox be 24" with firebrick or without firebrick installed?

Question 2: What do folks use for the nozzles for square tubing for AUF, and how do they bend them down? Theoretically can I use the Square tubing as my lip for the pan or should I still utilize angle iron? or should it sit lower in the fire? I am very new to welding, so should be interesting.

Question 3: Is the ramp necessary or can we just call it 2" flat under the pan and insulate with sand or leftover firebrick, maybe more blanket??

Question 4: Stack size. After doing research on here I haven't come to a conclusion about stack size as it pertains to AOF/AUF. Currently have a barrel stove door/stack set that is 6", just need to know if I need to go to 8" or not.

Thanks for all your help. Almost ready for the action!