| Digging an Enormous Tunnel Under Downtown Seattle |
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When you're about to carve a 57.4-foot-diameter tunnel under the Pacific Northwest's largest city, you do your homework. That's why the engineers at the Washington State Department of Transportation and its contractor, Seattle Tunnel Partners, rattle off the top of their heads facts about the monumental engineering project they're about to undertake.
Next spring crews will begin churning earth as they undertake a 1.7-mile-deep bore tunnel to replace a viaduct under downtown Seattle that is aging and vulnerable to earthquakes. The teams have drilled 600 test holes that show... |
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| Why NASA Is Flying Drones Into Hurricanes? |
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As Gulf Coast residents patch up windows and shovel dead rats off beaches following last week's Hurricane Isaac, NASA is preparing to launch its most ambitious mission yet to study hurricane formation. The Hurricane and Severe Storm Sentinel, or HS3, is a five-year, $30 million project to fly unmanned aircraft laden with scientific instruments into and around developing hurricanes. Beginning this month, the planes will gather data for three September-to-October hurricane seasons and should help scientists better understand how the storms are whipped up — and why they sometimes turn deadly fast. |
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| Bishop-Wisecarver Introduces New Radial Wheel |
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Bishop-Wisecarver Corporation® announced today the launch of its latest addition to the MadeWell product line: The Radial Wheel, a single-row deep-groove ball bearing designed for applications with specified radial loading conditions.
The highly anticipated launch stems from a need for this type of bearing in a variety of industrial markets, said Pamela Kan, President of Bishop-Wisecarver, manufacturer of the original DualVee® Guide Wheel and industry leader in guided linear and rotary motion technologies. |
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| Working on a Boeing 787 Dreamliner |
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One of most popular post this month of on the EngNet FaceBook page was a assembly location of a Boenig 787 Dreamliner. Pretty awesome office space if you ask me!
The Boeing 787 Dreamliner is a long-range, mid-size wide-body, twin-engine jet airliner developed by Boeing Commercial Airplanes. It seats 210 to 290 passengers, depending on the variant. Boeing states that it is the company's most fuel-efficient airliner and the world's first major airliner to use composite materials for most of its construction. According to Boeing, the 787 consumes 20% less fuel than the similarly-sized 767. Its distinguishing features include a four-panel windshield, noise-reducing chevrons on its engine nacelles, and a smoother nose contour. |
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