Mach 5 Plane - Photo: Hermeus Hermeus envisions commercial aircraft in about 10 years and plans to build a demonstration vehicle within the next five years, co-founder and COO Skyler Shuford said in 2019.
Space company Hermeus on Thursday signed a contract with the U.S. The Air Force and the Office of the President of the Air Force create the most powerful aircraft for the president's fleet.
Mach 5 Plane
Boeing is scheduled to take delivery of another Air Force One, a modified 747-8, next year, but the Hermeus deal is expected to replace its successor.
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After designing, building and successfully testing a prototype engine that could propel an airplane to Mach 5, Hermeus claimed to have achieved five times the speed of sound, or 3300 miles per hour. Mach 5 represents the division between supersonic and supersonic speeds.
Hermeus plans to build a demonstration vehicle within the next five years, with a commercial aircraft within 10 years, its co-founder and chief operating officer Skyler Shuford said in 2019. A press release announcing the Air Force contract said it will be part of the project. Focus on integrating Air Force requirements into aircraft design.
Last year, it was revealed that Hermeus had plans to develop a Mach 5 plane that could fly from New York to Paris in 90 minutes. Ars Technica reported that the company raised the first round of funding led by Khosla Ventures in May 2019, which was used to develop a prototype. The turbine-based combined cycle engine will be used for the propulsion system, Hermeus said.
Photo: Hermeus built an engine prototype in nine months; It can be designed and tested. Source: Hermeus
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At the time, Hermeus said it plans to use existing technology and resources to achieve higher performance.
"With today's technology, you can fly a fast car," co-founder and chief technology officer Glenn Case said in a video released this spring.
"We're not involved in anything extraordinary," Shuford told Ars Technica last year. "We want to do engineering, not science." A new Boeing supersonic aircraft concept could serve as a spiritual successor to the Mach 3 SR-71 Blackbird, says Popular Mechanics.
Boeing unveiled a design and prototype of a hypothetical delta-wing jet at the AIAA SciTech Aerospace Forum this week.
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Theoretically, attack and reconnaissance aircraft can fly at five times the speed of sound. This is thanks to the "waverider" configuration, which will see the aircraft use its waveguides during flight to reduce lift and drag.
According to Aviation Week, Boeing has named this aircraft as "Valkyrie II" internally, and Boeing has not yet released any major official information, and the aircraft is in the conceptual stage.
Four years after @Boeing unveiled its hypersonic aircraft concept at #AIAASciTech 2018, the @aiaa San Diego event unveiled a refined and functional Mach 5 air-breathing design aimed at military and space launch units pic.twitter.com/CtpxA5OJGn - Guy Norris (@ AvWeekGuy) January 4, 2022
Valkyrie II is a modification of Boeing's 2018 concept called Valkyrie for a supersonic cargo plane that can fly between London and New York within two hours. The supersonic concept has drawn comparisons with Lockheed Martin's SR-72 program and is the de facto successor to its SR-71 Blackbird.
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Both Lockheed Martin's and Boeing's designs use a hybrid rotary engine up to Mach 3 supersonic speeds. Lockheed Martin is partnering with Aerojet Rocketdyne to develop the engine, while Boeing is partnering with Orbital ATK.
Lockheed Martin's SR-72, or "Son of the Blackbird," will make its first test in 2025 and is expected to reach a speed of Mach 6 or 4, 603 mph (7,400 kph). The SR-71 Blackbird was retired by the US Air Force in 1998, but it was the fastest aircraft in history. The SR-72 and Boeing's new supersonic concept vehicle are the most likely unmanned aircraft.
Chinese hypersonic capabilities recently made headlines when the country unveiled a hypersonic weapon with "advanced space capabilities" that surprised US officials. In July last year, the U.S. The Air Force has awarded $60 million to start building a Mach 5 single-engine prototype plane called the Hermeusa over the next three years.
Researchers have analyzed nearly 100 tattoo inks and reported that the content was incorrect. They also found small molecules that damage cells. Almost two decades after Concorde's retirement; Interest in high-speed travel is increasing and more high-speed aircraft are being developed. Airlines seem to be interested: United has already committed to offering premium routes as early as 2029.
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But what about hypersonic travel, which occurs at speeds of Mach 5 - five times the speed of sound - and above? This would allow a flight from New York to London in 90 minutes, compared to about three hours for Concorde and between six and seven hours on a passenger plane.
That's what Atlanta-based startup Hermeus, which aims to create high-speed airplanes, believes so. It is already testing a new type of engine that it says could eventually reach Mach 5 (3,000 mph). The engine is designed for small, unmanned, hypersonic aircraft, while the Hermeus is currently built for the US Air Force, but can be upgraded to a larger size to power passenger aircraft.
The passenger plane is a long way off - Hermeus hopes to get it into the air for the first test flight before the end of the decade, but the company has built its technology almost entirely from the ground up. It's already planned.
First, It will be smaller than the current plane and Concorde, which holds about 100 people.
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"To help with the growth of the airline, we have created a business model for another airline," said AJ Piplica, CEO of Hermeus. "We looked at business class and first class passengers and played with other parameters like speed and operating costs. What came out of that was a 20-passenger plane," he added.
Not far from the performance of large business jets; This means that there will be only one class.
"We hope to make a profit at today's business rates," Piplica said, warning that it is difficult to estimate how much people would pay to fly five times as much. There is a product out there; You have the right data."
The flight range will be about 4,000 nautical miles. It's good enough for transatlantic routes like New York to Paris, but not for express routes like LA to Tokyo, which require a layover.
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In subways like New York to LA, there is no question of noise regulations: breaking the sound barrier often comes with noise over water.
To understand the daring idea of a Mach 5 passenger plane; It helps to see the speed of flight logs.
The fastest single-engine airplane ever flown was Mach 9.6 (6,800 mph); The record of Mach 9.6 (6,800 mph) was set in 2004 by the NASA X-43A, an unmanned aircraft about 12 feet tall.
This flight lasted a few seconds, so the longest flight above Mach 5 is handled by the Boeing X-51. In 2013, one test drone flew at Mach 5.1 (3,400 mph) for more than three minutes. . The two planes had to be launched from above by a B-52 bomber, and then boosted by rockets, demonstrating the difficulty of this type of high-altitude flight.
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Of an aircraft with passengers on board; The current absolute speed record is Mach 6.7 (4,520 mph), set by the X-15 in 1967. It was a rocket with a seat, designed to achieve the record and had to be launched from above by a B-52.
The speed record for an air-breathing aircraft powered by a jet engine rather than a rocket is Mach 3.3 (about 2,200 mph). The SR-71 Blackbird was a military spy plane in 1976
One of only two commercial airliners, Concorde's top speed was Mach 2.04 (1,350 mph).
Therefore, the planned Hermeus passenger plane will beat the current record of the fastest air-breathing air with a large wind, and by flying at Mach 5 for a long time, it will surpass the current achievements in the field of unmanned test vehicles. yes, (Perhaps other planes hit these records before Hermeus did.)
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So it is not surprising that the company's first focus is on the engine. Tests began in February 2020 of an engine design based on the current model used in fighter jets manufactured by General Electric.
The combination of two common technologies, turbojet,
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