Quote:
Originally Posted by AdamVIP
Im not sure if this has been said in the last 5 pages but this is what I put on kp forum. Please correct me if Im wrong.
"The only time where the brace will be noticable will be when the frame is subjected to a vertical force that is not equal across the car. This is nicely showcased with the DDM jack test. Essentially they are putting a vertical point load on one side of the car. It creates a moment which a thicker plate will handle better.
In most driving conditions you will not encounter this scenario. In 99.9% of driving cases the forces exerted on this piece are going parallel with the brace plane. On paper the thicker plate will handle this force better as well but youll be spinning well before you you max out the stock piece and notice a significant difference in feel.
All that being said I bought a brace from DDM and haveit installed. On the .1% chance I get a road irregularity that wil cause the torsion effect Ill be ready."
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How about a little disagreement. The moment of inertia of the plate is insignificant in the vertical axis, but, it is far greater in the plane that opposes longitudinal forces between the two sides of the car. You can view the car as two symmetrical pieces with a box tying them together. When you make the box higher and/or wider you have increased the moment of inertia or strengthened the box structure. This is what the plate is doing, it is the bottom of the box.
Since the box itself is more rigid, the two halves of the car will have less relative movement. The reason the vertical jack test shows less movement is that the jack's vertical force is putting the the plate into tension (horizontal force) and the heavier plate resists those forces better than the oem plate. These are the same forces that you would get from any action that loads one side of the body more than the opposite side.
