"PGS Concrete Designs, LLC has experience from sizable commercial jobs to residential projects. I have personally installed more than one million square feet of stamped concrete. We offer a full range of functional and decorative concrete services that include stamping, staining, cleaning and repairs...
Through the good graces of Inga Karliner of the University of Illinois physics department I was put in contact with Ivan Petrov of the U of I's materials research department, which just happens to be a national collaborative center for materials testing, which means they have a hallway with ...
The D-tube is designed to increase the torsional rigidity of the wing, and can be added to any of the other spar designs, as well as extended to the trailing edge to create a fully sheeted wing. On this wing the trailing drag spar is simply a vertical support. It also has a simple...
The positives of these cut mold parts were then used to create a single bending jig. They were spaced out using shallower versions of each to allow for airflow for the heat bending process. ¾” Holes were drilled on the drill press, with 3” of spacing between each around the perimeter...
Then they sawed off (using a water jet) the outside rim of the pancake to leave a perfect disk. This piece is a slice of the rim that was cut off. What's most remarkable about it is the strange bumpy ridged surface. I assumed at first it must be formed by some sort of ...
This meant being on the sunlit side of Venus, out of radio line of sight with Earth. To solve these problems, the spacecraft bus "hovered" over the landing site, in a highly eccentric orbit, much like Earth-orbiting television satellites hovered over the Soviet Union. With a 512 bit/sec...
atmosphere. If you're looking for panoramic views of Kobe, make sure to visit the Kobe Port Tower. This iconic landmark offers an observation deck where you can marvel at the stunning cityscape and the picturesque Kobe Harbor. For a taste of history, the Ikuta Shrine, one of Japan's ...
of Vickers-Armstrongs. He continued to refine the design until his death from cancer in 1937, whereupon his colleague Joseph Smith became chief designer. Its elliptical wing had a thin cross-section, allowing a higher top speed than the Hawker Hurricane and many other contemporary designs. ...
Can I take pictures of the Millenium Gate Museum? The Millenium Gate Museum has a policy that forbids photographs with professional equipment, even if they are taken from the outside standing on public grounds. While the legality of it may be contested, the rule is enforced by constant patroll...
Be warned, that this process is time consuming (took me about a month of on and off work)! However if you put the time in, you will most definitely see the reward! Thanks for looking and I hope you find this useful! For further designs please check out my other Instructables and my...