Need help calculating flow and fire box size for BBQ Bomb

[SoloQue]

I should probably adhere a bit closer to the teachings of cricketology but I usually have an opinion. Anyways, I'm pondering putting out a craigslist want ad for one of these spheres. Heck it can sit in the back corner of the yard until I'm ready for it but I'm guessing it aint gonna be an easy find. Any thoughts on an accurate description which I can post? Gallons or original purpose? I read where it was 40 ish in diameter but that wont suffice by itself.

[Gizmo]

I'd call the local propane route driver and ask him ...

[maccas66]

I`d try, " Drunken sailor seeks old steel bouy, for good smoking times!"..............

[Gizmo]

... Sheeesh Mac!

[SoloQue]

Drunken sailor seeks old steel bouy

Hey Mac you were dead on, that is a metal bouy not a propane cylinder. That fact might have already been shared earlier in the thread but now I can start digging for a bargain. Those beasts come in 54, 40 and 28 diameters. Talk about a magnum pizza oven. You could put 3 sets of doors on the 54 model with partial sub walls to prevent total heat loss from the other chambers when you opened one of the sets. OK, that came out of left field but that's how my brain jumps time every now and then.

[Frank_Cox]

I`d try, " Drunken sailor seeks old steel bouy, for good smoking times!"..............

I would have never thought of that Mac! hahahaha
anyway, I bet TQ know's where one is. If you were comin to the gatherin I would hook ya up, I have 4

[Gizmo]

I always thought one of those spheres would be cool as a patio model on 3 legs about 2 foot off the ground and 3 doors so you work a single grate from 3 directions with a center short stack out the top and a center trap door in the bottom for a clean out.

You would think the "Mother Ship" just landed ...

Barbequed "Aliens" ...

You could even post a pic of it on our new "Area 51" ...

I crack myself up ...

ok I'll shut up now ...

[Frank_Cox]

hahahaha

[Smokeone]

[jpstodwftexas]

Would love to see some finished photos...

Star Wars Fans could Do a DeathStar version

[pitbull8151]

well....Not quite finished...Still dragging my a$$. It is still in the works and will post pics as we build.

[Gizmo]

can't wait ...

[Frank_Cox]

Awesome! Thanks for the update!

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[pitbull8151]

Well. I done some work on the fire box baffle. Here we go...

[maccas66]

that looks great!

[The Czar]

....I like it....

[Frank_Cox]

[pitbull8151]

Finally making a little progress!!

[pitbull8151]

Baffle from inside firebox.

[Tom_Heath]

NICE,,,,, I love it,

Hard to tell in the pics, but how close are ya on tolerance. It looks perty tight in the pics but it may just be the pic angle.

I am learning the hard was about the expand and contract deal while I am cooking.

[pitbull8151]

Done some adjustments on baffle. Was pretty tight. I cut it on a Esab cutting table so it was perfect fit. Got probable .020-.025 around. Maybe wont be too tight.

[Gizmo]

There's an expansion formula to calculate that ... but I'm too stupid to help you with that ... a machinist could though ...

...and LOOKS GREAT! ... can't wait to see this one come together!

[The Czar]

.....Frank is going to be so jealous.....

[Frank_Cox]

Awesome! I have 4 of these tanks I need to get to one of these days

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[pitbull8151]

Put on door handle, stack cap with rod and plate inside for the "reverse flow" effect.