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Mini Furnace

Posted: Wed Jun 08, 2011 1:08 am
by GypsyTinker
I'm building a lil furnace with about a 7" bore, 9" depth.

Basing the entire design on a few basics:
I want it portable.
I want it now.
What I've got laying around.

I've got some fire brick and some Heat Stop 50 mortar, stainless trash can, crock pot, old stove with kao-wool type stuff (slightly bee infested)

Re: Mini Furnace

Posted: Wed Jun 08, 2011 1:14 am
by GypsyTinker
When I first started casting, I balked at small furnaces.

Now, I think this little fella just might get me through some good aluminum melts.

Re: Mini Furnace

Posted: Wed Jun 08, 2011 1:19 am
by Nudge
looks like a good start, should work just fine :)
Was the stove sitting out side ,to be Bee infested?

Re: Mini Furnace

Posted: Wed Jun 08, 2011 1:22 am
by GypsyTinker
yes, has been for some time.

I used a pitch fork to recover some of the insulation from a good distance :D

Re: Mini Furnace

Posted: Wed Jun 08, 2011 2:12 pm
by GypsyTinker
SWEET!

Flame trainer mold deconstruction sans catastrophe:

Re: Mini Furnace

Posted: Wed Jun 08, 2011 3:57 pm
by 4cylndrfury
looks great man, really sharp!

Re: Mini Furnace

Posted: Wed Jun 08, 2011 6:30 pm
by GypsyTinker
Mmmm substantive post.... eat it 4cf!

Re: Mini Furnace

Posted: Thu Jun 09, 2011 3:58 am
by 4cylndrfury
Lol...i like it. It looks great. The only concern i have is with the mortar. Ive never seen it before or used it myself, so i have no knowledge of it regarding its uses or longevity. Hope it holds up. Whats the plan for the rest of the build?

EDIT:im also a fan of the SS trash can shell idea. I always lookmat those at the store and pictur flames shooting out :twisted:

Re: Mini Furnace

Posted: Thu Jun 09, 2011 1:09 pm
by GypsyTinker
The mortar is my concern too. It says it's refractory mortar, good for well of 2000 degrees and is good for fire-brick installation.

Me and a buddy went in on a bag a few months ago and I'm sick of it laying around. So this is the test :)

It looks and feels like it will work out. I'm focusing on Al with this furnace. It won't ever see iron :-P

I think it will look pretty sweet when it's all said and done. We shall see!

Basically that flame trainer will sit in the bottom and then I'll have 6 firebricks mortared together for the main chamber. Then maybe mortar only for the lid with some steel reinforcement or something. Like a 2" vent hole.

Re: Mini Furnace

Posted: Thu Jun 09, 2011 11:11 pm
by Nudge
lookin good, now hurry up and give it heat :twisted: