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Unread 18-01-2012, 14:55
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Re: How much pressure to lower ramp?

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.

Some more quick math revels that 900/44 inches from center of bridge is about 20.5 lbs straight down on the bridge. Just remember to round up to be safe.
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