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Re: Re: Re: OT- Moving Rocks
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Posted by Wardner on May 19, 2004 at 10:26:11 from (4.138.246.27):
In Reply to: Re: Re: OT- Moving Rocks posted by scotty on May 19, 2004 at 09:43:43:
Let me just say that I have handled thousands of tons of stone. These are mostly granite blocks from old bridge abutments. Average weight is around two tons. Heaviest stone could have been five tons. I never do this work with help. That is the quickest way to injure someone or get injured. I have never squashed a finger or toe. When you bar a stone, you are only lifting half the weight of the stone. By using a lever with a fulcrum spaced to yield a 15 to 1 advantage, you can theoretically lift one end of a 4000 lb stone. Of course you are not lifting anything. You are using your weight to apply force. Once the stone is up several inches, slide a 2x4 under it.
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