Messages

Subject:
Re: the myth of over tightening panel clamps

Mark Hennebury
"Franklin recommends 200 psi clamping pressure for maple, for example. That translates to about 500 pounds of clamp force on a 3 foot long panel joint in 4/4 lumber. "

A 3 foot long panel joint of 1" stock is 36 square inches x 200 psi is 7200LBs of clamp force.

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