Quote:
Originally Posted by BB_TX
Nose high would actually reduce the weight on the truck. Think about slowly tipping the trailer backward. The weight would be slowly shifted to the trailer axles until eventually all weight would be on the axles if you raised it high enough. Obviously you could not raise it that high without the rear hitting the ground, but you can visualize the principle.
However, running slightly nose high on the truck would have no real measurable shift in weight.
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If running nose high then more weight is transferred to the rear axle. This also shifts the pivot point rearward and puts more weight from the rear axle forward.
For example, if you could balance a trailer on the two axles, if you tried to lift the trailer tongue it would not get lighter as you lifted but heavier as the balance/pivot point would shift rearward. Think of a teeter totter.