uncleflo
Registered since September 28th, 2017
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Fly a Spitfire Fly a Spitfire - Two Seat Spitfire Flights
Saved by uncleflo on January 29th, 2025.
If you’ve always wished for a flight in a Spitfire, we can make your dream a reality. Enjoy the flight of a lifetime in the worlds most famous aircraft. Operating since 1986, we have a fleet of 2 Seat Spitfires and operate from ex WWII airfields at: RAF Biggin Hill RAF Kemble (Cotswold Airport) RAF Hartford Bridge (Blackbushe Airport) RAF Horsham St Faith (Norwich Airport) Blackpool Airport Swansea Airport “Absolutely brilliant and worth every penny - my father did the Spitfire flight to Beachy head and 4 x family members did the chase plane” “Brilliant is an understatement!
I had the most wonderful time! It was always a dream of mine to fly in the iconic Spitfire and the reality didn't disappoint!”
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Bye Aerospace E-Flyer’s Electric Airplane Flies 525 Miles on a Charge – Robb Report
Saved by uncleflo on February 12th, 2022.
Bye Aerospace’s eFlyer 800 is a clean-sheet design that will carry eight people, including one or two pilots. The 800 will have two motors, powered by a grid of electric cells across the airframe. This is the third model in a lineup of electric planes from the Denver-based aerospace firm, but the first with two motors. The eFlyer 2 is a two-seater for professional flight training that was developed when the company launched in 2014, and the eFlyer 4, a four-seater for air taxi and advanced training, came later. Both models have more than 360 orders each. “The eFlyer 800 is the first all-electric propulsion technology airplane that achieves twin-turboprop performance and safety with no CO2 and extremely low operating costs,” said CEO George E. Bye in a statement. The eight-seat aircraft will be competing against turboprops with much higher operating costs, but will have similar interior space and accommodations. Bye Aerospace The eFlyer 800 is Bye’s response to the growing demand for all-electric aircraft that can deliver local and regional flights, but with greater capacity and capabilities, at a substantially lower operating cost than traditional fossil fuel aircraft.
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15 Tips For Beginner Drone Pilots [May 2018]
Saved by uncleflo on November 27th, 2018.
Congratulations on being a new drone pilot! We all understand the excitement of getting a new drone. But don’t rush into flying just yet! It’s relatively straightforward to take off, but do you know every button’s function or have a good understanding of how your drone reacts to the remote controller? Before you head out and get it in the air, you should know your drone well. As it’s the best way to prevent crashes and flyaways. Furthermore, it’s being responsible for the safety of yourself, others, and your drone. Operating a drone can sometimes be tricky. So to avoid any silly missteps, it’s essential to read the product’s manual and get familiar with DJI’s GO apps and pay close attention to preflight preparations. After you understand your drone’s capabilities and limitations choose a safe test flight zone and practice some basic maneuvers before you take the leash off. Additionally, remember to take advantage of free online resources. You can find all you need to know and do before your maiden flight on the DJI Support and DJI Tutorials YouTube channels. Finally, if any problem occurs, you can always contact DJI Support on Facebook or Twitter for help. Here, we’ve summarized 15 tips to help first-time drone pilots prepare for their air adventures.
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List of Mayday episodes
Saved by uncleflo on October 23rd, 2018.
Mayday, known as Air Crash Investigation(s) outside of the United States and Canada and also known as Air Emergency or Air Disasters (Smithsonian Channel) in the United States, is a Canadian documentary television series produced by Cineflix that recounts air crashes, near-crashes, fires, hijackings, bombings, and other mainly flight-related disasters and crises. It reveals the events that led to each crisis or disaster, their causes as determined by the official investigating body or bodies, and the measures they recommended to prevent a similar incident from happening again. The programs use re-enactments, interviews, eyewitness testimony, computer-generated imagery, cockpit voice recordings, and official reports to reconstruct the sequences of events. As of 10 September 2018, 170 episodes of Mayday have aired. This includes five Science of Disaster specials, each examining multiple crashes with similar causes. For broadcasters that do not use the series name Mayday, three Season 3 episodes were labeled as Crash Scene Investigation spin-offs, examining marine or rail disasters.
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Australia's hypersonic plane for a new space race
Saved by uncleflo on November 17th, 2016.
It’s been a long time since Australia was a player in space exploration. One man wants to change that – with the help of a plane that travels five times the speed of sound. On 28 October 1971, the bullet-shaped Black Arrow rocket blasted into the clear sky over the desert plain at Woomera in southern Australia. This launch of the British Prospero satellite into orbit was the culmination of more than 10 years of rocket development.
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Aviation Safety Network > Statistics
Saved by uncleflo on September 8th, 2016.
Aviation Safety, Statistics by period, Statistics by flight phase, Statistics by flight nature, Statistics - worst accidents, Statistics - geographical breakdown, Industry statistical safety reports
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Same Side Technique, Point in triangle test
Saved by uncleflo on February 22nd, 2015.
A common way to check if a point is in a triangle is to find the vectors connecting the point to each of the triangle's three vertices and sum the angles between those vectors. If the sum of the angles is 2*pi then the point is inside the triangle, otherwise it is not. It works, but it is very slow. This text explains a faster and much easier method.
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Ray(/segment)-triangle intersection tests for dummies :P
Saved by uncleflo on February 22nd, 2015.
There are various ray-tri tests around. I'll describe a few of the most interesting ones because I think that there's no "definitive" ray-tri intersection. Much depends on the type of application you're going to develop. Some methods are faster if most of the tests are positive (hit), some if they are not (early rejection). Some use lots of memory to precalculate as much as possible so they are very fast for scenes with no cache-hit problems (for examples in scenes with not so many, big triangles and spatial subdivision), while others use less memory and no precalc. etc... The precalculation option is often important so I'll talk about it more here. There are two kinds of precalculations that could be useful: per-frame precalculation (something that can be precalculated for the entire scene, for every triangle, and that just needs to be updated if the triangles are animated, if it changes their position in the next frame). The other type is per-ray-bundle precalculation.
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graphics.stanford.edu/courses/cs148-10-summer/docs/2006--degreve--reflection_refraction.pdf
Saved by uncleflo on February 22nd, 2015.
When writing a ray tracer, sooner or later you’ll stumble on the problem of reflection and transmission. To visualize mirror-like objects, you need to reflect your viewing rays. To simulate a lens, you need refraction. While most people have heard of the law of reflection and Snell’s law, they often have difficulties with actually calculating the direction vectors of the reflected and refracted rays. In the following pages, exactly this problem will be addressed. As a bonus, some Fresnel equations will be added to the mix, so you can actually calculate how much light is reflected or transmitted (yes, it’s possible). At the end, you’ll have some usable formulas to use in your latest ray tracer.
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Intersections of Rays, Planes and Triangles (3D)
Saved by uncleflo on February 22nd, 2015.
The intersection of the most basic geometric primitives was presented in the Algorithm 5 about Intersections of Lines and Planes. We will now extend those algorithms to include 3D triangles which are common elements of 3D surface and polyhedron models. We only consider transversal intersections where the two intersecting objects do not lie in the same plane. Ray and triangle intersection computation is perhaps the most frequent nontrivial operation in computer graphics rendering using ray tracing. Because of its importance, there are several published algorithms for this problem (see: [Badouel, 1990], [Moller & Trumbore, 1997], [O'Rourke, 1998], [Moller & Haines, 1999]). We present an improvement of these algorithms for ray (or segment) and triangle intersection. We also give algorithms for triangle-plane and triangle-triangle intersection.
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Plane Finder – Live Flight Status Tracker
Saved by uncleflo on September 9th, 2014.
Use Plane Finder to see what planes are overhead right now. Plane positions are plotted from real-time data and NOT estimated in advance! Simply search by flight number, airport, location name or pan around the globe. We give friendly, timely customer support and welcome questions and suggestions via email. Plane Finder has been top rated and ranking worldwide since 2009. We regularly update Plane Finder and always listen to feedback.
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Flightradar24.com - Live flight tracker!
Saved by uncleflo on September 9th, 2014.
Flightradar24 is a flight tracking service that provides you with real-time info about thousands of aircraft around the world. Our service is currently available online and for your iOS (iPhone, iPad, iPod Touch) or Android device plus for Windows 8 and your Mac OS computer. Read more about our flight tracking apps.
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Welcome to the Aircraft Spruce Web Site!
Saved by uncleflo on July 17th, 2014.
Aircraft Spruce & Specialty Company carries everything a pilot could need, including pilot supplies and aircraft parts, always at the lowest prices. Aircraft Spruce supplies components for a wide variety of homebuilt aircraft including the Lancair, Vans Aircraft, Cozy, Starduster and Europa, as well as factory built parts for Cessna, Piper, Beech, and Mooney. Products include Garmin avionics, tools, charts, propellers, spruce, software, instruments, aircraft engines, aviation headsets, landing gear components, and composite materials. We also carry a full line of aviation grade hardware, covering supplies and materials, electrical components, and steel and aluminum.For airplane parts and pilot supplies, Aircraft Spruce is the leading aviation supply house in the world. Call Spruce for all your aviation needs.
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ETH - ASL Student Projects
Saved by uncleflo on July 16th, 2014.
The following student projects and theses are currently available. The Autonomous Systems Lab is pleased to offer Studies on Mechatronics in its large field of research in mobile robotics and intelligent systems. Ideally student should select their Studies on Mechatronics as preparation for their Bachelor project. More details on the dedicated page.
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Elektronik-Projekte mit dem AT90S2313, ATMega8 und anderen AVR-Prozessoren
Saved by uncleflo on July 16th, 2014.
Verschiedene Mikroprozessorschaltungen, die mit Atmels AVR-Controllern realisiert wurden - vom ATMEGA8 bis hin zum ATMEGA128. AVR ist eine 8-Bit-Mikrocontroller-Familie des Herstellers Atmel. Diese kleinen Prozessoren basieren auf der Harvard-Architektur und verfügen über eine einige KByte internen SRAM- und Flash-Speicher. Die Software der folgenden Projekte wurde größtenteils in C geschrieben und lässt sich mit dem AVR-GCC kompilieren.
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The heart of the SR-71 : the J-58 engine. Development
Saved by uncleflo on June 20th, 2014.
The Blackbird was the only aircraft ever to be designed around the J-58 (JT-11). This turbojet engine had been developed for a USN project, by Pratt & Whitney, at their West Palm Beach R & D center in Florida. Eventhough its existence remained a secret until revealed on 28th February 1964 by US President Lyndon B. Johnson, that of the JT-11 engine was already known to specialists.
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SR-71 J-58 Powerplant
Saved by uncleflo on June 20th, 2014.
The SR-71 Blackbird is powered by two Pratt & Whitney J-58 turbo-ramjets, each developing 32,500 pounds of thrust with afterburning. The critical problems concerning supersonic flight with air breathing engines are concentrated in the air inlet area. The circular air intakes of the SR-71 contain a center body tipped with a conical spike. The spike is movable, forward for takeoff and climb to 30,000 feet after which, as speed builds up, it moves rearward, controlling the amount of air entering the engine. As it does so, Air Inlet Bypass Doors in the side of the nacelle close to establish the correct flow of air through the engine, holding the supersonic shock wave in it's critical position within the inlet. The engine itself operates at subsonic speed.
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The SR-71 Pratt & Whitney JT11D-20B J58 Engine
Saved by uncleflo on June 20th, 2014.
The SR-71 Blackbird is powered by two Pratt & Whitney J-58 turbo-ramjets, each developing 32,500 pounds of thrust with afterburning. The critical problems concerning supersonic flight with air breathing engines are concentrated in the air inlet area. The circular air intakes of the SR-71 contain a center body tipped with a conical spike. The spike is movable, forward for takeoff and climb to 30,000 feet after which, as speed builds up, it moves rearward, controlling the amount of air entering the engine. As it does so, Air Inlet Bypass Doors in the side of the nacelle close to establish the correct flow of air through the engine, holding the supersonic shock wave in it's critical position within the inlet. The engine itself operates at subsonic speed.
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The Harrier - YouTube
Saved by uncleflo on June 3rd, 2014.
A British plane, that can take-off and land vertically, that got great success internationally. An interesting documentary, that also showed how the building principles actually work.
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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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SR-71 Blackbird follow-up: A new TERRIFYING Mach 6 spy-drone bomber • The Register
Saved by uncleflo on June 3rd, 2014.
Pics The famous SR-71 Blackbird was put out to pasture over a decade ago – but the legendary Skunk Works aviation wizards that built it have been showing off a replacement that can travel twice as fast and it could be in the skies within a decade. The SR-72 will be unmanned, saving a lot of the weight needed to keep the two fleshy pilots of its predecessor alive and functional, and will be able to cruise at high speeds for aerial reconnaissance. It is also being designed to have offensive capabilities that would make it the ultimate in fast bombers.
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DARPA: You didn't think we could make a Mach 6 spaceplane, so let us have this MACH TEN job • The Register
Saved by uncleflo on June 3rd, 2014.
A Mach 10 plane capable of rapid turnaround between missions will need to be pretty tough to resist the heat generated as it bores through the atmosphere at hypersonic speed. In DARPA's view this will be pretty much as bad as the frying the space shuttle used to suffer and the X-37B still does. The XS-1 will need "low-maintenance thermal protection systems that provide protection from temperatures and heating rates ranging from orbital vacuum to atmospheric re-entry".
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Reaction Engines Ltd : Space Propulsion Systems
Saved by uncleflo on May 30th, 2014.
Driven by an extensive and pioneering technology programme, Reaction Engines Ltd has made a breakthrough in aerospace technology that is now allowing the development of engines that will propel aircraft at speeds of up to five times the speed of sound or directly into Earth orbit.
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List of X-planes - Wikipedia, the free encyclopedia
Saved by uncleflo on April 2nd, 2014.
The X-planes are a series of experimental United States airplanes and helicopters (and some rockets) used to test and evaluate new technologies and aerodynamic concepts. Most of the X-planes have been operated by the National Advisory Committee for Aeronautics (NACA) or, later, the National Aeronautics and Space Administration (NASA), often in conjunction with the United States Air Force. The majority of X-Plane testing has occurred at Edwards Air Force Base.[
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