QUOTE(KingGlamis @ Jul 11 2005, 05:58 PM)
Here is a very simple example. Hold the end of a pencil with one hand and have a friend try and knock the pencil out of your hand. It will probably be pretty easy for that person to knock the pencil out of your hand. That is single shear.
Now hold the pencil with two hands, one on each end. That is double shear. Chances are the other person will not be able to knock the pencil out of your hands.
So imagaine that suspension tabs are your hands and the bolt that the suspension pivots on is the pencil. Double shear will be much stronger.
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I like that
shear: an action or stress resulting from applied forces that causes or tends to cause two contiguous parts of a body to slide relatively to each other in a direction parallel to their plane of contact.
sheer: marked by great and unrelieved steepness (like a sheer cliff), in complete manner, pure or unadulterated (like sheer force)
I think we're talking about "SHEAR"
John