I'm building a engine hoist in my garage using 2x4x1/4" steel tubing. How long of a span can i go that will support 500lbs center load?
My advice is install an air over hydraulic 8 ton ram. Not over a 6 foot reach , adjustable boom length, adjustable front and back legs . Never have the boom extended past the length of the legs. Solid steel wheels swivel front and rear.
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