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Go Back JeepForum.com > General Technical Discussions > Fabrication Shop > Rear Bumper w/Swingout Tire Carrier Follow Along

ANOTHER Rockridge4wd Creation!! Spare Tire Carrier Delete Cess Recovery Gear Snatch Tow Strap OffRoad @ ROCKRIDGE4WD15 x 8 Black D-Window Steel Wheels Set of 4

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Unread 03-06-2014, 07:18 AM   #2086
BESRK
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munypit, sent you a PM..

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Unread 03-18-2014, 06:48 PM   #2087
hughiam
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I really like these, have a question/comment. The big tires mounted like that tend to block the windshield mounted rear view mirror. And for a tire bigger than a 35, I think you wouldn't clear the brake lights. My issue is I run a 40" tire, I have a lift gate on my hard top and my kids need to sit in the rear seat. I don't want to try and lift that tire/wheel combo to a roof rack, and cant sacrifice the rear seats.

Have you built one that mounts the tire longways with the body? Im trying to draw a picture by typing so bear with me. If the tire was mounted inboard of the tail light(you pick the side), and 90* different than your traditional mount it would allow for the use of your mirror. It would have to be mounted out far enough to allow the lift gate to open(I have a fiberglass tub so I don't have a rear tail gate.). You could then build a shelf for gas cans etc at bumper height.

It would certainly stick out further than your present mounts and if mounted too low would create departure issues. It could be mounted high enough to account for that.

Anyway, I like your work, was just asking. I didn't have the patience to go through all 140 pages of builds though.

Hugh
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Unread 03-18-2014, 07:52 PM   #2088
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It sounds like you could make that work. You can still make it a swing out so then you wouldn't have to worry about the lift gate. Looking at the rear, if you put the hinge under the right tail light and have it go straight left so the tire is clear of the light but not in the middle so you still have some visibility. You probably wouldn't be able to see much of that side through the rear view mirror but you'd be able to see right behind you. If that made any sense

You might also be able to mount it flat so it comes out but instead of up and down it's more like a table. You could put it at the height of the body so you could see everywhere behind you and might even have enough room under the tire for jerry cans and whatnot. And it could still swing out so you can use the tailgate as a seat and now you'd have a table right next to the seats to use
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Unread 03-19-2014, 06:12 PM   #2089
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While you may be able to turn the tire 90deg, that would put the C/B of the tire back around 20-22 inches from the tub. With 40" rubber, that's a lot of weight (moment) hanging way out there off the back. In all honesty, that would probably be taxing the design limits of a typical swing out carrier. Might be better to go with something like a "swingdown" carrier.. something that spreads the mounting locations out over a larger area. When you start hanging too much weight off the rear crossmember, you run into issues with cracking bolt holes, and flexing crossmember.. even with frame tie in brackets.
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Unread 03-19-2014, 07:21 PM   #2090
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That's what I was thinking, too. Try to hold a stool up with one hand on the bottom of the vertical leg with the stool upright. Now lean that stool at 45 and 90 angles. You need that COG as directly above the swing arm as possible.
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Unread 03-21-2014, 02:59 PM   #2091
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Quote:
Originally Posted by tdkask
That's what I was thinking, too. Try to hold a stool up with one hand on the bottom of the vertical leg with the stool upright. Now lean that stool at 45 and 90 angles. You need that COG as directly above the swing arm as possible.
I guess i should have stated I don't need the swing away. I have a dual receiver hitch that holds the winch when it's not on the front. I was looking for a rigid mount idea.
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Unread 03-27-2014, 04:54 PM   #2092
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Eddie, where do you get your 2x4? I'm trying to find a reasonable price for 8 ft of 2.5x5 or 2x5.
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'80 CJ7__258, TF999, D300__'86 CJ WT D44/D30's(3.54s)__GPF custom front/rear bumpers
4" springs__33x15s on black steelies__Galaxy DX959 CB__Cage (built onto YJ "family" bar)
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Unread 03-27-2014, 05:29 PM   #2093
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Quote:
Originally Posted by tdkask View Post
Eddie, where do you get your 2x4? I'm trying to find a reasonable price for 8 ft of 2.5x5 or 2x5.
I've been getting my 2"x4"x3/16" rectangle tube from BMG Metals in Chesapeake for the past 6-7 years... usually pay between $110-$120 per 24ft stick.

You might look for a scrap yard that deals with both buying/selling. One of the local places here (Dominion) has some pretty good deals on their stuff. A lot of times, you can even find rust-free drops.
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Unread 04-03-2014, 08:58 PM   #2094
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Finally finished my bumpers and swingout (all of the major stuff anyway) and i must say, Eddie, i dint know how you do so many of them...thats a lot of friggin work! Later down the road will come cargo rack and accessories type modifications, but good enough for now! Heavy setups for sure!
cam00348.jpg   cam00349.jpg   cam00351.jpg   cam00350.jpg  
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Unread 04-04-2014, 04:16 PM   #2095
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They look great!

Since I work a full-time dayjob for Uncle Sam, I pretty much only build bumpers on the weekends. I try to schedule a max of 2 rear/tire carriers per weekend... or 1 rear/tire carrier and 2-3 front bumpers.

That leaves the weeknights to work on all the small stuff.. boomerangs, clevis mounts, bumper mounts, gussets, targets..etc.

The things that help me the most are the CNC Plasma Table, my Press Brake, my jigs, and my rotating welding rack. The rack allows me to spin the bumper around and flip it over for easy welding.

If I really hustle (and don't run into any hiccups), I can finish a rear bumper/tire carrier right around 4hrs start to finish. However, I can still knock one out in about 5-6hrs at a comfortable pace.. while also babysitting the plasma table.
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Unread 04-04-2014, 05:17 PM   #2096
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In sure that on a good weekend with a handheld plasma cutter I might be able to accomplish that in a whole weekend, if I could ever get through the holes for shackle mounts.
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'80 CJ7__258, TF999, D300__'86 CJ WT D44/D30's(3.54s)__GPF custom front/rear bumpers
4" springs__33x15s on black steelies__Galaxy DX959 CB__Cage (built onto YJ "family" bar)
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Unread 04-04-2014, 09:20 PM   #2097
cjjon7
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Quote:
Originally Posted by BESRK View Post
They look great!

Since I work a full-time dayjob for Uncle Sam, I pretty much only build bumpers on the weekends. I try to schedule a max of 2 rear/tire carriers per weekend... or 1 rear/tire carrier and 2-3 front bumpers.

That leaves the weeknights to work on all the small stuff.. boomerangs, clevis mounts, bumper mounts, gussets, targets..etc.

The things that help me the most are the CNC Plasma Table, my Press Brake, my jigs, and my rotating welding rack. The rack allows me to spin the bumper around and flip it over for easy welding.

If I really hustle (and don't run into any hiccups), I can finish a rear bumper/tire carrier right around 4hrs start to finish. However, I can still knock one out in about 5-6hrs at a comfortable pace.. while also babysitting the plasma table.

Thats pretty impressive! I played with mine literally for weeks until I was finally happy with it...and there are still things I wish I had done differently.
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Unread 04-13-2014, 10:15 AM   #2098
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Eddie,

I had no idea you actually built bumpers and tire carriers too!! I got your boom shackles for my YJ about a month ago and as simple as they are, was super impressed with them. I wish i had the tools and abilities to built the rear bumper and tire carrier myself, but the cutting of all of the pieces is what I wouldn't be able to do. My buddy has a welder, so at least i got that. You really build these things from scratch and then send them out requiring minimum assembly for us "novice/tool deprived" jeepers??
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Unread 04-13-2014, 03:05 PM   #2099
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Hey Kyle! Yep.. they are basically a bolt-on install on a YJ and 97 TJs.. the 98 and later TJs need a few holes drilled in the crossmember.

I actually started selling bumpers before anything else. The boomerangs came along about 5yrs ago, when I bought my plasma table.
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Unread 04-13-2014, 03:11 PM   #2100
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The CJ bumpers are bolt-on too, FWIW.
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'80 CJ7__258, TF999, D300__'86 CJ WT D44/D30's(3.54s)__GPF custom front/rear bumpers
4" springs__33x15s on black steelies__Galaxy DX959 CB__Cage (built onto YJ "family" bar)
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