250 gal RF Build ??? Are my calculations correct????

  • Some of the links on this forum allow SMF, at no cost to you, to earn a small commission when you click through and make a purchase. Let me know if you have any questions about this.
SMF is reader-supported. When you buy through links on our site, we may earn an affiliate commission.

mitroll2

Newbie
Original poster
Apr 22, 2016
6
10
29"X29"x.7854 x87" = 57465 cu in

57465/231=248.76 gal

57465x.004=230 sq in FB/CC opening

230 sq in under RF plate      What does this mean? This would by 10"w x 23" l?

230 sq in opening at end of RF plate

57465 x.33 FB Volume 18963 sq in

57465 x.001 = FB Air inlet. 57.465 sq in

volume of stack =  57465x.022 =1264/.7854x4"x4" (12.56)=99.84" L 4" diam stack. 

The stack length does not seem right.  What am I missing?  Thanks for your input.
 
If you go with an 8" stack it would be 24" long  a 6" stack would be 42"     I would NOT go with 4"  too small for this size smoker

Gary
 
  • Like
Reactions: mitroll2
 
29"X29"x.7854 x87" = 57465 cu in

57465/231=248.76 gal

57465x.004=230 sq in FB/CC opening

230 sq in under RF plate      What does this mean? This would by 10"w x 23" l?

230 sq in opening at end of RF plate

57465 x.33 FB Volume 18963 sq in

57465 x.001 = FB Air inlet. 57.465 sq in

volume of stack =  57465x.022 =1264/.7854x4"x4" (12.56)=99.84" L 4" diam stack. 

The stack length does not seem right.  What am I missing?  Thanks for your input.
1264 / .7854 x 6 x 6 = 45''

                        7 x 7 = 33"

ESV in cubic inches_____________________________ ... = Stack Length in inches (36" +/-)
0.7854 X Stack Diameter X Stack Diameter

Adjust the diameter of the stack, until the proper length is achieved... be sure to measure the actual internal diameter of the pipe used..
this is for round stacks only..
 
Dave, How did you decide that the stack length should be 36"  I see that on most of your replies

Gary
 
Thanks guys. Have a few more questions. Do you make one big door or 2 small ones? Also if I wanted to build a warming box on top of the firebox do I need to put any holes in the firebox to feed heat or smoke? 
 
SmokingMeatForums.com is reader supported and as an Amazon Associate, we may earn commissions from qualifying purchases.

Latest posts

Hot Threads

Clicky