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20 Jan 2021

Vice said Aerion is focused on speeds around Mach 4.3 for the AS3 because of heating, shock waves and other tricky engineering issues that emerge at Mach 5 and above. Hypersonic defensive capabilities require a multi-layered approach across all phases of flight detection, tracking and interception. A test launch of a hypersonic missile at the Pacific Missile Range Facility in Kauai, Hawaii, in March. Commercial airplanes fly at 550 miles per hour, or at subsonic speeds. GE spokesman Nick Hurm confirmed the company’s “unique commercial agreement with Aerion” to build the engine, but declined to disclose financial terms. The first manufactured object to achieve hypersonic flight was the two-stage Bumper rocket, consisting of a WAC Corporal second stage set on top of a V-2 first stage. Supersonic airliners remain unlikely,” said Richard Aboulafia, an aerospace analyst with the Teal Group. Focusing on National Security Even though hypersonic flight is now commonplace in the U.S. military, the age of supersonic passenger transport was put on hold with the last flights … Other vehicles, including ballistic missiles, can reach these speeds, but hypersonic missiles follow less predictable flight paths and are harder to detect by interceptors. by Brian Berletic, New Eastern Outlook: Russian state media reported a successful test flight of its new hypersonic missile, the Zircon. “I’m encouraged by that. The last public attempt at hypersonic atmospheric flight was the Boeing X-51 Waverider in 2013 over the Pacific Ocean near Ventura, California. “It could be even less,” he added. An optionally piloted flight research vehicle (FRV) is also in the works to flight test elements of the SR-72 design. Attaining hypersonic flight – the ability to fly and maneuver at more than five times the speed of sound – is a priority for the U.S. Department of Defense (DOD) as it works to modernize the military and weapons systems. Engineering May 18, 2016 While many companies in this space have been big on pronouncements, the engineering obstacles to bringing a new generation of supersonic planes—let alone hypersonic planes—to market are nothing to sniff at. They see the emerging arms, which can deliver nuclear or conventional munitions, as zipping along at up to five miles a second while zigzagging through the atmosphere to outwit early-warning satellites and some interceptors. In other words, the warheads at best are unimpressive fliers. Property News: 12 edibles to plant this spring - domain.com.au Online Coupons and Best Deals Watch the brand new season of RuPaul's Drag Race now on … In an interview, David Wright, a physicist at the Massachusetts Institute of Technology and an author of the new analysis, called the superweapon a mirage. The research also has potential applications beyond the military, he said, perhaps even for commercial flight, as aerospace giants such as Boeing and space tourism visionaries such as Elon Musk move hypersonic commercial jets and civilian spacecraft closer to reality. The 419th Flight Test Squadron fired a practice round of the AGM-158 Joint Air-to-Surface Standoff Missile from the bomber. To do so—and to avoid the physical rigors and technical complexities of suborbital space flight—Aerion’s next craft would have to cruise within the atmosphere at more than four times the speed of sound, or about 3,000 mph (4,828 kph). The Air Force moved one step closer to a hypersonic weapon last week, with the final captive-carry test of the Lockheed Martin AGM-183A Air-launched Rapid Response Weapon, or ARRW.. A B … In future testing, the pre-cooler will be challenged with temperatures even higher than the 1,800 degrees Fahrenheit typical of flight at Mach 5, the threshold for hypersonic flight. To gain an edge on hypersonic weapons, the Pentagon wants more help from universities October 27, 2020 Virgin Galactic’s Mach 3 aircraft design for high speed travel. Hypersonic flight, the ability to fly at more than five times the speed of sound, is a top priority for the U.S. Military. The time it would take a hypersonic warhead to complete an attack, General Hyten said, “could be half” that of a standard missile. Aerion contends its “boomless cruise” technology will prevent sonic booms from reaching the ground. If anyone can build a hypersonic weapon that functions (other than a rocket), then a few decades later we might see this technology commercialized.”. The firm wants to reach hypersonic velocity, beyond five times the speed of sound, around 4,000mph (6,400km/h) or Mach 5. They’re basically stubby gliders. A two-hour flight from Sydney to London is a step closer to reality after the latest successful test Wednesday of hypersonic technology in the Australian desert. Russian Defense Ministry Press Service, via Associated Press, Laboratory for Nuclear Security and Policy. Aerion said it scoured the world for an engine, including Russian designs that would meet noise restrictions, fuel-burn requirements and reliability over thousands of hours of high-speed flying. (Orbital space vehicles routinely re-enter the earth’s atmosphere at Mach 25, or 19,000 mph; meanwhile, several military fighter jets can top Mach 2, or 1,500 mph.) While hypersonic flight would most likely be too expensive for positively everything that flies, the potential applications are intriguing. The SABRE (Synergetic Air-Breathing Rocket Engine) now enables us to eye hypersonic flights for commercial passenger air travel perhaps in as little as 15 years! The U.S. Department of Defense on Oct. 26 announced that the Texas A&M Engineering Experiment Station will lead a $100 million national research consortium for modernizing hypersonic flight capabilities. Boom plans to use three GE J85 engines to power the XB-1 and is evaluating engine designs with Rolls-Royce for the production aircraft, which Boom calls Overture. Vice argues that Aerion has an advantage over supersonic competitors when it comes to engine development, pointing to its partnership with GE and its plan to build the first commercial supersonic power plant in more than five decades. Dr. Wright and Dr. Tracy based their analysis on the Hypersonic Technology Vehicle 2 — an experimental warhead developed by the Air Force and Darpa. An illustration of a prototype warhead known as the Hypersonic Technology Vehicle 2 emerging from its protective cover and preparing to re-enter Earth’s atmosphere. Recently, hypersonic flight has been in the news as Russia, China and the U.S. invest enormous research and funds into new, nuclear-capable missiles and … Sandia National Laboratories will provide computer simulations of the flow around the hypersonic vehicles. Boeing Co. holds an equity stake in Aerion, while General Electric Co. is designing and building a new Affinity supersonic engine for the company. Virgin Galactic Holdings Inc. surprised some investors in August with plans for a Mach 3 aircraft seating as many as 19 people, an interim step on the company’s path toward eventual hypersonic point-to-point travel. President Trump has bragged about his “super-dupers,” even referring to the planned weapon as “hydrosonic,” a brand of electric toothbrush. Photo by U.S. Navy. In their paper, they see the weapon as essentially failing to outwit early-warning satellites and interceptors. A still taken from a video released by the Russian Defense Ministry showing the Russian Zircon hypersonic cruise missile launching from the Admiral Groshkov frigate in the White Sea in October. Lift pushes a speeding aerodynamic body up and atmospheric drag tries to counteract the forward motion, at worst prompting a stall. By definition, hypersonic vehicles fly at more than five times the speed of sound — or up to dozens of times faster than jetliners. Flying at Mach 8 (8 times the speed of sound or around 10,000 kph), the missile poses a new and credible threat to the air defense systems of potential aggressors. There are a lot of really great folks who are trying to find different paths. Elon Musk’s Space Exploration Technologies Corp. and Virgin Galactic have said their eventual high-speed point-to-point aircraft service will operate above earth’s atmosphere, at hypersonic speeds, unlike envisioned supersonic aircraft that cruise at lower altitudes, around 60,000 feet (18,288 meters). According to Aerion, its AS2 supersonic aircraft will cruise at Mach 1.4, allowing for a New York-to-London flight in four hours. The company has orders for 30 jets from Japan Airlines Co. Ltd and Virgin Group. The two experts say their computer modeling fills in public gaps on the weapon’s overall performance as well as its potential interactions with existing military systems for detecting and defeating weapons launched from distant sites. As the second era of faster-than-sound air travel nears, one of the niche industry’s pioneering players is looking further into the future—toward flights that are even faster. New hypersonic flight engine is called SABRE The UK-based Reaction Engines is developing a hypersonic engine called SABRE, a Revolutionary New Hypersonic Engine Invention. While some commercial plane makers are … James M. Acton, a nuclear analyst at the Carnegie Endowment for International Peace, called the paper “a serious, credible and important piece of work.”. Hypersonic flight and technology does, however, present some unique challenges, said Mark Lewis, the Defense Deparment’s director of defense research and engineering for modernization. The esoteric term is a measure of lifting power versus drag. Hypersonic flight is hot — in more ways than one.It’s a big area for research in defense applications and potentially in commercial aircraft to compress travel times in a globalized world. But you’ve got to solve the engine issue.”. And a fourth player, Boston-based Spike Aerospace, plans a 12-18-passenger supersonic jet that cruises at Mach 1.6 and has range to cover nonstop flights from London to Hong Kong and Dubai to New York. Commercial flying at the speed of sound is closer to a comeback as rivals position themselves for the next era. At that speed, hypersonic flights between London and Australia could be over in just four-and-a-half hours. A common hypersonic glide body launched for a Department of Defense flight experiment. The Texas A&M Engineering Experiment Station (TEES) will manage a five-year, $20 million per-year DOD initiative involving many of the nation’s top research universities. The limited power of the curved, blistering hot surfaces to generate a substantial lifting force without also producing lots of drag undermined claims that the weapon can fly long distances on complex trajectories, he said. Still, with rivals like Boom Technologies and others advancing their own supersonic plans, Aerion Chief Executive Officer Tom Vice is already anticipating the arrival of hypersonic travel. In February 1949, at White Sands, the rocket reached a speed of 8,288.12 km/h (5,150 mph), or approximately Mach 6.7. The unmanned vehicle set the record for the longest duration of hypersonic flight at 210 seconds, even as university funding for hypersonic research had dropped to a trickle. Hypersonic flight is defined as air travel at least five times the speed of sound. Nevertheless, pledges to reach such speeds for commercial travel have already been made. “Unless they’ve found some magical way to keep these systems up,” Dr. Wright said, “they’re going to have problems.”. GE’s Affinity engine will also be the first designed to run on traditional kerosene and synthetic fuel made in part by capturing carbon dioxide from the air. Cruising at Mach 1.4, the AS2 would allow for a New York-London flight in four hours or London-Chicago in five hours, each two hours faster than conventional jet flights. “But it will take time and creativity to be successful.”, Hypersonic Superweapons Are a Mirage, New Analysis Says. And surprisingly, given the weapon’s speedy reputation, they say their analysis shows it will fly intercontinental distances more slowly than ballistic missiles and warheads fired on low flight paths known as depressed trajectories. Now, independent experts have studied the technical performance of the planned weapon and concluded that its advertised features are more illusory than real. The Department of Defense (DOD) today named a state agency of The Texas A&M University System to lead a national consortium for modernizing hypersonic flight capabilities. And as President-elect Joseph R. Biden Jr. takes command of the nation’s military, he will have to consider whether to sustain the defense work undertaken in the Trump years. The idea is to build a high-speed passenger transport by the 2030s. The other, awkwardly named the Hypersonic Strike Weapon – Air Breathing (HSW-ab), is a hypersonic cruise missile that has engine power throughout its flight path. Today it announced that it’s going in with Rolls-Royce and BAE Systems on a $37.3 million Series… Read More The American military is currently researching a half dozen hypersonic arms. Aerion Corp., the supersonic jet builder founded by Texas billionaire Robert Bass, plans to deliver its first AS2 business jet in 2027, with top speeds of 1.4 times the speed of sound, or about 1,074 mph (1,728 kph)—roughly double that of traditional commercial aircraft. Two scientists find revolutionary claims about the evasion of detection and defenses to be “nonsense.”. Richard L. Garwin, a physicist and longtime adviser to the federal government, called the paper “very good and important.” He added that he had provided his own similar criticisms of hypersonic warheads to defense officials. Testing the vehicles using the new sensing paradigm is still … For instance, current generations of space-based sensors, they report, will be able to track the weapon’s fiery twists and turns during most of its flight through the atmosphere. Aerion and Boom also plan to use new synthetic fuels to reduce carbon output. “We’ll get there years ahead of anybody else.”. Ned Price, a spokesman for the Biden transition team, declined to comment on the issue of hypersonic warheads. Dr. Wright said the limited amount of public information on their workings and flight data made the better-known Hypersonic Technology Vehicle the best available window into the current status and future potential of the prototype arms. It’s what aeronautical engineers call the lift-to-drag ratio. Colorado-based Boom plans to introduce a one-third demonstration model on Wednesday, the XB-1, which will allow the company to begin flight testing in 2021 to glean data on the jet’s wings and fuselage. The company hasn’t offered a timeline for its development, however. Have a confidential tip for our reporters? For instance, they quote the 2019 Senate testimony of Gen. John E. Hyten, the Air Force officer then in charge of U.S. Strategic Command, which controls the nation’s nuclear missiles. Aerion “for sure” will be the first new supersonic commercial aircraft to market, he predicted. Dr. Wright and Dr. Tracy conclude that the envisioned new weapon is, at best, “evolutionary — not revolutionary.”. Lockheed Martin Corp. will provide technical guidance on hypersonic flight systems. The computer simulations drew on the physics of moving bodies and public disclosures about the Hypersonic Technology Vehicle 2 in order to model its most plausible flight paths. 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