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Advanced Fabrication and Engineering For when your build is going off the charts. Wildly modified vehicles and straight up buggies welcome.

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Old February 22nd, 2018, 09:26
burntkat burntkat is offline
NAXJA Member #1145
Join Date: Apr 2003
Location: Charleston, SC
Posts: 1,124
Bumper build- skin-on-frame method?

I am in need of a front bumper for my S10 SAS project. I want something reminiscent of an ARB, but don't have the ability to use CAD, a laser table, or a brake.

I thought about maybe doing a skin-on-frame sort of affair, building out the shape of the bumper with 1X1 plate and tubing. Then come back and skin it with 3/16 or 1/8" plate, depending on the section.

Obviously the winch tray will need to be heavy plate. I would prefer it was a seperate construction, personally, again a la ARB.

Has anyone seen a bumper built in this fashion? I think between the angle and the frame it would likely be stronger- by a fair margin- than a mere plate assembly.
-89 S-10: SAS, D44s front/rear. 5.7L V8. 700R4 with 4L60E upgrades. Built in my driveway.
-90 XJ 4.0, AW4, 231J: Clayton's longarms, RE 5.5" coils, hybrid 6" leaf pack, 33/12.50/15" MTs, Rancho 99012s and 99624s, Tera HD SYE, custom sliders, BW flares. Rehabbing with D44s, RE spring packs, RE 4.5" coils, and ACOS.
-94 ZJ: Budget boost, 31s. The wife's DD.
-97 XJ: Son's DD. 4" lift, ACOS, 4" spring pack, Upcountry coils, 31s
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Old March 13th, 2018, 14:28
Rockwood Rockwood is offline
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Join Date: Sep 2011
Location: San Diego
Posts: 10
Re: Bumper build- skin-on-frame method?

Realistically, as long as you enclose the bumper "box" on the back in key spot (4 sides instead of 3), the frame would just be redundant.
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Old March 13th, 2018, 19:55
bridgerx bridgerx is offline
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Join Date: Mar 2017
Location: Montana
Posts: 14
Re: Bumper build- skin-on-frame method?

Build it out of cardboard and duct tape 1st... then use the cardboard pieces for templates to cut the metal however you cut metal.
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