How strong, what thicknesses and design does a bumper have to be?
How strong would a bumper have to be to be able to smash through 5 inch concrete filled steel bollards, guardrails, light poles, medium size trees, brick walls etc. I bought a 1991 Ford F-550 for only $600 strictly to crash test it, I already reinforced the frontal area of the frame using 1/2 thick C channel beams and welded and riveted 3/8 plate over the frame itself. The frame is very sturdy now.
The question is, how thick would the bumper have to be to be able to do what I list above and have only minimal damage? I was thinking 5/16 steel with a 1/4 subframe held onto the frame via 8 5/8 bolts.
This is the truck:
Here is a plywood mockup I made before I make the real thing, is the design good? Remember, its gonna be 5/16 steel with a 1/4 subframe. Thicker if needed. The mounts will be 5/8 thick along with 5/8 Grade 10.9 bolts.
Remember, this is strictly for testing purposes only. I'm only seeing how I could design a truck to be able to withstand heavy abuse and still be drivable.
Since this is a real-world test, you need real-world data. Perhaps some pictures and analysis of F-550 crashes would help?
Why? You planning on doing something really stupid?
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