My friend wants to build a wheeled cart using 4x4 pine wood he already has. He also has a few 6 x 4, which he might use for the horizontal pieces.
He has made the design below. The overall dimensions will be 68" x 68" x 36" high.
All the horizontal pieces' will get half-laps at their meeting points, and then probable screwed. The vertical pieces will be simply screwed and then supported by steel L-brackets 3" wide and long, two at each joint, as shown in the diagram.
The purpose is to cart around stuff he works with - car parts, rock sculptures etc. He expects the weight could go upto a few hundred pounds, for a maximum of 700 or 800 lbs. He would move it much, just from garage to back-yard, etc, but it still would be a few hundred yards at a time .
Given the weight and size, would these L-brackets be enough to provide the strength required? Or is there any other way he can join these?
He has made the design below. The overall dimensions will be 68" x 68" x 36" high.
All the horizontal pieces' will get half-laps at their meeting points, and then probable screwed. The vertical pieces will be simply screwed and then supported by steel L-brackets 3" wide and long, two at each joint, as shown in the diagram.
The purpose is to cart around stuff he works with - car parts, rock sculptures etc. He expects the weight could go upto a few hundred pounds, for a maximum of 700 or 800 lbs. He would move it much, just from garage to back-yard, etc, but it still would be a few hundred yards at a time .
Given the weight and size, would these L-brackets be enough to provide the strength required? Or is there any other way he can join these?
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