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Q-talk *ON TOPIC ONLY* QUALITY ON TOPIC discussion of Backyard BBQ, grilling, equipment and outdoor cookin' . ** Other cooking techniques are welcomed for when your cookin' in the kitchen. Post your hints, tips, tricks & techniques, success, failures, but stay on topic and watch for that hijacking.

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Old 02-09-2014, 08:15 AM   #1
Full Fledged Farker

Join Date: 01-21-14
Location: Tolland, CT
Default Min.Ground Clearance Trailer/firebox

I'm building my own rig and was wondering how low I should have my firebox to the road before I start getting nervous. A foot? 6 inches? I need to get it as low as possible for ease of use of the smoker
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Old 02-09-2014, 08:29 AM   #2
Full Fledged Farker
Join Date: 07-19-13
Location: Chesapeake, VA

I'm sure there are some A+ builders here like TuscaloosaQ that might chip in if he sees it among others but also check out smoker builder forum, you'll def find answers to every question you have.
US Navy. WSM 18.5", Stumps Smoker Baby, SF 24x48 RF, Weber OTG.
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Old 02-09-2014, 08:32 AM   #3
Babbling Farker
Join Date: 06-29-11
Location: Greeneville TN

The height of a railroad track plus a couple inches.
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Old 02-09-2014, 10:14 AM   #4
is one Smokin' Farker
Join Date: 01-15-12
Location: Kalama Wa.

Just make sure the bottom of the firebox is ABOVE the lowest point of your rims(in case you get two flat tires). We went 2" above when we built ours. You still need to be careful going over speed-bumps though.

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Old 02-09-2014, 10:45 AM   #5
Babbling Farker

Join Date: 07-11-11
Location: Tuscaloosa Alabama

I try and never have les than 7 can put a drop down hitch that comes out of your receiver... On the tow vehicle. That will lower the front of the unit a bit and raise the back up. At the firebox

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Old 02-09-2014, 10:50 AM   #6
Babbling Farker

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Join Date: 08-01-12
Location: Fairfield, Florida

In addition to the risk of hitting things (like RR tracks) you need to consider approach and departure angles compared to the placement of your axle. Take a look at places you are likely to drive (driveways, parking lots, etc) and estimate slope angle vs to adjoining level roadway. For example it should be pretty rare in urban or paved reasdential areas to have more than a 12*-15* angle. Put a straight edge at the center line where your tire hits the ground and with one end sitting on te ground, elevate the other end to that same 12*-15* angle; the height above ground level where that intersects the back of your trailer or firebox gives you your minimum hright for the 12*-15* departure angle.

Maybe a more practical answer: my trailer is about 10 feet total length with the axle offset slightly to the rear and the back trailer & firebox is about 8 inches above the ground; I don't have any trouble.
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