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“Economical Welds” published in MSC
In January 2013, Ethan and I published an article in MSC related to reducing the amount of expensive CJP welds and substituting fillets welds instead. We provided a simple table to assist the...
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Platonic Solids from Perfect Triangles
Here are Plato’s two perfect triangles from his seminal work “Timaeus” that can create the 5 platonic solids (which are according to him form the elements of earth, air, water, fire …) They are worth...
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Cable Y-Hangs and Pulleys
You can imagine a person hanging from a cable that forms a Y in shape between to cliffs. What are the forces in the cables? Well we can build this by adding a wight in the middle of a system, and...
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Archimedes and Balance Beams
You can introduce concepts of moment and equilibrium by building a simple balance beam… The weights times the distances on each side of the fulcrum have to equal. I added nails at 1″ spacings and use...
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Build the Golden Ratio
Here is how you can build the most excellent rectangle ever conceived… You start with a square, and you use one edge center point as a centroid of the quarter circle as shown above. Then you can...
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The Perfect Arch
For a arch to be prefect, it must be shaped such that it is in uniform compression. Basically the inverse of a hanging chain. So we can build what Robert Hooke describes in 1675 “as hangs the...
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Build a Lamella Dome
Lamella structures are created using many pieces of the exact same member shape and connection. So 1000 pieces of something and stacked in a certain manner… You can imagine it can get pretty big...
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The Secret to Trusses
Trusses are simply built out of triangles. The trick is to determine which members are in tension and which members are in compression. There are only two types of triangles, one that has two...
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Arcade transformed to Micro-Apartments
We were involved in helping reshape the future of this iconic building…the nations oldest shopping mall into tiny lofts. Here is a great recent article… http://www.architizer.com/en_us/ We worked...
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