How much pressure to lower ramp?

[Alan Anderson]

Originally Posted by JakeD

900 inch pounds of torque is a reasonably close number and easy to remember.

2 * 15 lbs (batteries * 30 inches* off center = 900 inch lbs.

If you want a more accurate number, start with a better estimate of the batteries' weight and location of their center of mass, and remember that the pivot point of the bridge is about 3.5 inches closer to its downward than the actual center.