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Originally Posted by 68protouring454
i have scene plenty of engineers screw things up.... just because its drawn on paper doesn't mean it always works, and you dont have to be an engineer to modify a simple roof truss, just have some common sense,
think a fabricator designed the new fords so that when it needed a head gasket you had to remove the cab? doubt it
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Engineers do make mistakes, but atleast they are not from ignorance.
If you have a sealed drawing from an Engineer, and it falls down and ruins your car or kills your child, he is responsible and pays the price or goes to jail, Not You.
Do you drill your own teeth? Do you do your own heart surgery? Those only involve a grinder or a knife.
You DO have to know how to do a statics analysis to modify a truss.