uncleflo
Registered since September 28th, 2017
Has a total of 4246 bookmarks.
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Tag selected: wing.
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Halcyon Dive Systems
Saved by uncleflo on September 23rd, 2022.
Halcyon began as a group of divers who knew exactly what they wanted but couldn't find it in a dive store. Our passion for diving led us to designing wings and lights to satisfy ourselves. We soon discovered that we were not alone in our pursuit of equipment that could radically improve every diver's comfort; from the newest recreational diver to supporting divers doing the most aggressive technical dives ever completed. Our founders, owners, and senior management have a long history as diving pioneers, with diverse backgrounds, ranging from academia to manufacturing to consulting. They all share one common thread: each of their log books records of an average of 20 years of diving. We offer a design-it-yourself experience to customize your very own, one of a kind wing.
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DIRZONE
Saved by uncleflo on September 23rd, 2022.
Lightweight model of classic wing for doubles. The same double-shell construction but the cover is made of lighter material Cordura 1000. The inflator end-piece is made of high quality techno-polymer.
Circular style wing for diving with doubles. STREAM RING 20 was designed for diving with double tanks from 2x7-2x12 and stage. Due to the small profile, along with sufficient lift, this wing is especially suitable for recreational tec diving. Material: Cover Cordura 2000, high-frequency welded inner tube Cordura 560 with PU seam coating, zip RiRi. Lift capacity: 20liter/ 44lbs Weight: ca. 960g
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Bird Flight
Saved by uncleflo on April 17th, 2021.
Exactly how birds acquired the ability to fly has baffled scientists for years. Archaeopteryx provided a starting point for speculation. Built like a dinosaur, but with wings, scientists guessed at how a hypothetical ancestor might have taken flight. Some scientists support the arboreal hypothesis (e.g., Feduccia 1996) and suggest that the ancestors of Archaeopteryx lived in trees and glided into flapping flight (Figure to the right). But others argue that the claws of Archaeopteryx weren't suited to climbing. So, others support the cursorial hypothesis (e.g., Burgers and Chiappe 1999) and suggest that these ancestors used their long, powerful legs to run fast with their arms outstretched, and were at some point lifted up by air currents and carried into flapping flight.
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Taking Flight: A Beginner’s Guide Into Drawing Wings
Saved by uncleflo on June 16th, 2017.
There are a few things every artists should be able to draw, with wings being certainly one of them. In this tutorial I'll show you how birds' and dragons' wings are built, why they're built this way and how to create believable poses for them.
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Dark Roasted Blend: Ekranoplans Showcase
Saved by uncleflo on June 3rd, 2014.
They hover and skim above the water at speeds of up to 250 miles an hour, while carrying heavier loads of cargo and troops than any airplane could - the Ekranoplans, or "Wing-in-Ground" (WIG) vehicles are possibly the most exciting and strange-looking transportation technology ever invented by men. Developed mostly by the Soviets during the Cold War (by the Rostislav Alexeev design firm), some ekranoplans were over 500 feet in length and had the estimated weight of over 500 tons! And yet they skimmed over the waves with grace, at high speeds, able to negotiate stormy conditions, and unseen by the radar - all thanks to the aerodynamic principle known as the "ground effect".
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FoilSim Download
Saved by uncleflo on June 3rd, 2014.
FoilSim - Student was developed at the NASA Glenn Research Center in an effort to foster hands-on, inquiry-based learning in science and math. FoilSim is interactive simulation software that determines the airflow around various shapes of airfoils. The Airfoil View Panel (shown below) is a simulated view of a wing being tested in a wind tunnel with air moving past it from left to right. Students change the position and shape of the wing by moving slider controls that vary the parameters of airspeed, altitude, angle of attack, thickness and curvature of the airfoil, and size of the wing area. The software displays plots of pressure or airspeed above and below the airfoil surface. A probe monitors air conditions (speed and pressure) at a particular point on or close to the surface of the airfoil. The software calculates the lift of the airfoils, allowing students to learn the factors that influence lift. The software includes a stall model for the airfoil and a model of the Martian atmosphere for lift comparisons. The latest version (FoilSim III - Version 1.4b) performs a table look-up of experimental data to determine the drag of the foil. A technical paper describing the details of the mathematical method used in FoilSim is also available.
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Safe soaring operations depend upon good coordination between the glider pilot, tow pilot, and ground crew
Saved by uncleflo on May 19th, 2013.
Safe soaring operations depend upon good coordination between the glider pilot, tow pilot, and ground crew. The following pages comprise a web-based course on wingrunning--from ground handling through the actual launch of the glider. The final section of this course is a quiz. Successful completion of this quiz will earn the student a certificate which can be presented to soaring operations as evidence of the knowledge training required to be a safe and efficient wing runner. This course is based on the standard signals and operating procedures of the Soaring Society of America, which may be found in the Soaring Flight Manual, available through the SSA and many U.S. soaring operations. Newly certificated wingrunners should receive practical instruction on wingrunning at their particular soaring operation before putting their knowledge into practice, as special circumstances often require unique signals and procedures to be used.
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