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First Build Patio RF 50 gallon "Lefty" version - Page 2

post #21 of 36
Thread Starter 
Head Scratch'n Tonight

Changed my mind about location of smokestack. Going with mount on tank center line. I think it'll look better than rear corner. How far above cooking grate should stack exit be???

Comments Opinions always welcome!

RAS & Gary Thanks for your input ;-)

RG




post #22 of 36
Build a plenum to mount the stack on.... they look good....

post #23 of 36

I like that idea, Dave always comes thru.

 

 

Gary

post #24 of 36
Thread Starter 
Dave....plenum it is. Have to read up and see what is in the snow covered scrap pile.

Thanks again

RG
post #25 of 36
I'm following this thread closely because I soon hope to start construction on one very similar to this. Tank is a little bigger, but the concept is the same. Do u think u will have any issues with the back wheels located so close to the fire box? I wonder if they will melt..
post #26 of 36
Thread Starter 
Quote:
Originally Posted by UGA Fan View Post

I'm following this thread closely because I soon hope to start construction on one very similar to this. Tank is a little bigger, but the concept is the same. Do u think u will have any issues with the back wheels located so close to the fire box? I wonder if they will melt..


UGA,

 

I have about 2" clearance (both V&H)  from the FB to the inside of each wheel.  I made the base wider so it would be stable and not  so tipsy.  Tank is only 18" wide.  The bottom of the FB should not get too hot as I have a fire grate so the fire base is 3" or so inches off the bottom.  The wheels are all cast iron with a hard rubber coating, so it would not be a big deal if I lost the rubber portion.   I purposely avoided inflated tires being mindful of the heat factor.  I found these, high quality roller bearings and liked the look.    

 

Follow along and learn from my mistakes.  I making it up as I go along. 

 

RG

post #27 of 36
Thread Starter 

How far down?

 

Any suggestions for height on the smoke stack above cooking grate?  I've looked around the forum and can't find a definite answer.  I have seen / read stacks exiting at the grate height to a few inches above it.

 

I will be building a plenum for my stack to keep it on the center line.  I am thinking to put it 3-4 inches above the grate, my reason is that if it is located too high then too much heat will be allowed to escape. 

 

Any thoughts on making an adjustable slide (up /down) to allow fine tuning for heat?  I would keep the stack pipe opening the same just be able to move it up / down by a few inches? 

 

Or am I over-thinking this one?  Just want to make sure it drafts well. 

 

Thanks,

 

RG

post #28 of 36
RG, morning..... What ever the volume of the stack calculated to be, have that amount above the CC.... the stack volume to the plenum and including the plenum doesn't figure in.... that's how I interpret the numbers......

Dave
post #29 of 36
Thread Starter 
Dave thanks for your reply. I've got the volume thing above the CC understood. Any thoughts on where the exit opening should be?? At grate level? Above it? My thinking is that smoke and heat would exit faster the higher the opening is. So I am tending to want to locate it 3-4 inches above cook grate. H ope this makes sense...
post #30 of 36
Bottom of the plenum 3-4" above the cook grate sounds good to me..... That should pull the heat and smoke across the food without sucking all the heat out of the CC.....
post #31 of 36
Thread Starter 
Got a little done on the smoke stack plenum tonight.




post #32 of 36
Thread Starter 
Old beat up mailbox




New plenum

post #33 of 36

So.... would it still be a reverse flow and if so how would that work?

post #34 of 36

Well forget that question. For some reason I only saw where you had the pipe sitting on top of the FB. It's obvious I'm getting old.

post #35 of 36
Thread Starter 

Alaska,  I got it....old guy here too.  I just did a quick post from my phone.  It was cold last night!! 

 

I am getting so stoked as the end is near.  All I need to get cooking is RF plate and cooking grates.  I do have some other finishing touches but I really want to see how

this thing cooks and flows.

 

RG

post #36 of 36

Its looking great....

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