Sr 71 Successor - At the beginning of the year, Boeing showed a prototype at an airport for a space and space plane that can fly five times the speed of sound - a spiritual successor of the famous Mash 3 SR-71 Blackbird aircraft. A painting and rendering by an artist showing a twin tail, preferably swept delta-can boat together with a so-called "waverider", this means that the hypersonic aircraft will use shock waves generated during flight to increase speed irritation and reduced drag.
, although Boeing did not explain the development of the plane. If the aerospace company moves forward with a hypersonic jet and spacecraft, it will likely build a prototype, single-engine, proof-of-concept aircraft about the size of the F-16 before moving on to a full-scale, twin Motor aircraft the size of the SR-71 107-feet-long.
Sr 71 Successor
Boeing's hypersonic project, if it gets off the ground, will compete directly with Lockheed Martin, which developed the SR-71 and plans a successor named SR-72. Boeing and Lockheed have similar plans, both planning to use a single-cycle engine that uses a conventional turbojet to accelerate to Mach 3, and two ramjet/scramjet to jump to hypersonic speed. Boeing is working with Orbital ATK to develop an engine, while Lockheed has partnered with Aerojet Rocketdyne.
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Reported that Boeing is still improving its hypersonic design, and the forward curve in photos and models is likely to change. Pilot planes to replace the SR-71 are not off the table, but the "son of Blackbird," whether built by Boeing or Lockheed, will likely be designed for non-operational aircraft.
Information about the two hypersonic programs continues to emerge, and the work behind closed doors may be a step ahead of what Boeing and Lockheed have revealed. Read more about Boeing's hypersonic ambitions at
Jay Bennett is the associate editor of. He has also written for Smithsonian, Popular Science, and Outside Magazine.
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Air Force Announces B-21 Raider Bomber Search Finds 5 US Bombers in the Adriatic Sea by Famous United States Space Force Mechanics Some Faces Behind the Space Force by Famous United States Space Force Mechanics 5 Urgent Space Force Questions Answered The Lockheed A-12 A high-altitude, Mach 3+ reconnaissance aircraft built for The United States Ctral Intelligce Agcy (CIA) by Lockheed's Skunk Works, based on designs by Clarce "Kelly" Johnson. The plane was selected A-12, the 12th in a series of trials in the design for "Archangel", the name of the plane. In 1959, it was selected over Convair's FISH and Kingfish designs as the winner of Project GUSTO, and was developed and operated under Project Oxcart.
CIA Agents were initially interested in Convair's design for its smaller radar cross-section, but the A-12's specifications were better and the estimated cost was much lower. Each company's data is verified for accuracy. Convair's work on the B-58 was plagued by delays and costs, but Lockheed produced the U-2 on time and under budget. In addition, Lockheed received the implementation of a "black" project.
The A-12 was produced from 1962 to 1964 and flew from 1963 to 1968. It was the first twin-seat US aircraft. , a slightly longer variant that can carry heavy fuel and unit loads. The A-12 began flying missions in 1967 and its last mission in May 1968; The program and flights were suspended in June. The program was officially introduced in the mid-1990s.
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A CIA Officials later wrote, "Oxcart was selected from a random list of codenames to approve the R&D and all subsequent work on the A-12. The aircraft itself was named that way."
With the failure of the CIA's Project Rainbow to reduce the radar cross section (RCS) of the U-2, the first work began at Lockheed in late 1957 to develop a final fighter jet, the Soviet Union. Author Kelly Johnson said, “In April 1958 I remember having a long conversation with [CIA Deputy Director for Planning] Richard Bissell on the subject of whether there should be a follow-up to the U-2 flight. We agree ... there should be one more cycle before the satellites render the surveillance of aircraft no longer useful for covert use."
Under Project Gusto the design was named "Angel", after the U-2 program, which was known as "Angel". As the aircraft design improved and the configuration changed, the Lockheed internal name changed from Angel-1 to Angel-2, etc. The names for the design change soon became known as "A-1", "A-2" , etc.
The designs have reached the A-11 level where the program is reviewed. The A-11 competes against a Convair offering called the Kingfish, which has similar performance. However, the Kingfish included several features that reduced its RCS, which was the best on the board. Lockheed responded with a simple redesign of the A-11, adding twin fuselages instead of a single right-angle one, and adding some non-metal components. This became the A-12 plan. On January 26, 1960, the CIA ordered 12 A-12 planes.
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Since the A-12 was far ahead of its time, many of the new technologies had to be installed specifically for the Oxcart project and some were used in the early days. One of the biggest problems faced by entrepreneurs at the time was working with titanium.
In his book Skunk Works: A Personal Memoir of My Years at Lockheed, B Rich says, "Our supplier, Titanium Metals Corporation, has limited reserves of the precious metal, so they the CIA a worldwide investigation and the use of third parties and companies ... an idea of the Russian people how they really contributed to the construction of the plane that is rushing to be built to spy on their country."
Before the A-12, titanium was used only in heat sinks and other small parts directly related to support, cooling or use of high temperature parts on aircraft as heat treated. The front. The A-12, however, was constructed largely of titanium. Titanium is relatively hard and difficult to clean, which made it difficult to make curves to obtain techniques. So it was difficult to make the leading edges of the wings and things like that. The solution was found by using small "fillets" of the desired material and shape and attaching them to the lower frame that was more linear. A good example is on the wing; The lower frame of spars and strings formed a line, leaving a triangular neck on the fluted front.
With the move to the A-12, another improvement was made to the RCS by replacing the belts with new composite materials made of ferrite iron and silicon laminate, both with asbestos repellent, eat the radar return and make the plane disappear.
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After development and production at the Skunk Works, in Burbank, California, the first A-12 was transferred to the Groom Lake test site (Area 51).
On April 25, 1962, he took his first flight (unofficially and anonymously) with Lockheed test pilot Louis Schalk in command.
The first official flight was on April 30 and the next high flight was on May 4, 1962, reaching a speed of Mach 1.1 at 40,000 ft (12,000 m).
The first five A-12s, in 1962, first flew with Pratt & Whitney J75 engines capable of 17,000 lbf (76 kN)
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Each thrust, moving the A-12's J75 thrusters to a speed of about Mach 2.0. On October 5, 1962, with the new J58 engine, the A-12 flew with the J75 engine and the J58 engine. By early 1963, the A-12 was flying with J58 engines, and in 1963 the A-12s achieved a top speed of Mach 3.2.
Collins got out safely and was wearing a normal flight suit, avoiding unnecessary questions from the truck driver who picked him up. He called area 51 of a traffic police station.
The response to the incident revealed the secrecy and importance of the project. The CIA has cited the Republic F-105 Thundership aircraft in news reports and official documents.
Two nearby farmers said the plane was carrying atomic weapons to prevent them from reaching the crash site;
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And the local attorney's office and a previous family were strongly warned to keep quiet about the incident. Each person is paid 25,000 dollars in cash to do so; The project often uses these payments to avoid outsourcing its work. The project received a lot of money; Contract
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