[citation needed], Its Soviet counterpart, the Tupolev Tu-144, was less successful, operating for only 55 passenger flights before being permanently grounded for various reasons. This might have been delayed, but in May, Pan Am announced they had placed options on the Concorde. If the package has more, you will need to download it to view them. From the start, the airline industry had noted that the economics of the design were questionable, concerns that were only partially addressed during development. Both companies were now asked for considerably more detailed proposals, to be presented for final selection in 1966. During development the required weight and size of this mechanism continued to grow, forcing the team to start over using a conventional delta wing. In November, another design review was held, and by this time Boeing had scaled up the original design into a 250-seat model, the Model 733-290. Gerald Ford, then Republican Leader, shouted Meany's claims that "If you vote for the SST, you are ensuring 13,000 jobs today plus 50,000 jobs in the second tier and 150,000 jobs each year over the next ten years." In November 1962, still to the surprise of many, the Concorde project was announced. The Boeing 2707 was intended to be the first American supersonic airliner, but increasing outcry over the environmental effects, notably the sonic boom, led to its cancelation in 1971 before the two prototypes had been completed. At the time, more advanced generally meant higher speed. The new design was also smaller, seating 234, and known as the Model 2707-300. McNamara was highly skeptical of the SST project and savaged Halaby's predictions; he was also afraid the project might be turned over to the DoD and was careful to press for further studies. [20] As the opposition widened, the claimed negative effects became ever odder, including upsetting people who do delicate work (e.g., brain surgeons), harming persons with nervous ailments,[19] and even inducing miscarriages. Labor unions also supported the SST project, worried that the winding down of both the Vietnam War and Apollo program would lead to mass unemployment in the aerospace sector. [30], When Concorde was launched, sales were predicted to be 150 aircraft, but only 14 aircraft were actually built for commercial service. A major change in the design came when Boeing added canards behind the nose—which added weight. Would love to see one in the future. [8], Three days after the Concorde announcement, Halaby wrote a letter to Kennedy suggesting that if they did not immediately start their own SST effort, the US would lose 50,000 jobs, $4 billion in income, and $3 billion in capital as local carriers turned to foreign suppliers. Through the second half of the 1970s, NASA provided funding for the Advanced Supersonic Transport (AST) project at several companies, including McDonnell Douglas, Boeing, and Lockheed. The latter name became the best known in public, while Boeing continued to use 733 model numbers internally.
The CL-823 lacked any form of high-lift devices on the wings, relying on engine power and long runways for liftoff, ensuring a huge noise footprint. [28], At the time, there were 115 unfilled orders by 25 airlines, while Concorde had 74 orders from 16 customers.
Aircraft of comparable role, configuration, and era, American proposed supersonic airliner design, National Oceanic and Atmospheric Administration, "The Supersonic Transport as an Instrument of National Power", "Nation: The Congress: Score One for Persistence", https://www.nytimes.com/1970/12/05/archives/house-foes-of-sst-seek-voiding-of-endorsement.html, "The Online Encyclopedia of Washington State History", "New aerodynamic design, new engines, spawn a revival of the SST", "787 owes a debt to unsuccessful sibling, the Sonic Cruiser", Boeing SST mockup on display at the Hiller Aviation Museum, 1964 Concept Film at British Movietone Digital Archive, Boeing 2707-300 Description at emotionreports.com, Initial 733 proposal images on Russian site sergib.agava.ru, https://en.wikipedia.org/w/index.php?title=Boeing_2707&oldid=979177506, Abandoned civil aircraft projects of the United States, Articles with dead external links from July 2011, Short description is different from Wikidata, Articles with unsourced statements from October 2019, Articles with unsourced statements from December 2016, Articles containing potentially dated statements from 2018, All articles containing potentially dated statements, Articles with disputed statements from November 2017, Articles with unsourced statements from December 2017, Creative Commons Attribution-ShareAlike License, This page was last edited on 19 September 2020, at 07:44.
Lockheed's L-2000 was judged simpler to produce and less risky, but its performance was slightly lower and its noise levels slightly higher. Will there ever be a working 3d virtual cockpit for this? Rising costs and the lack of a clear market led to its cancellation in 1971 before two prototypes had been completed. Boeing’s 2707 design was supposed to be able to fly at Mach 2.7 or 2000mph and carry more than 270 passengers for more than 4,200 miles. During the 1970s the alleged potential for serious ozone damage and the sonic boom worries were picked up by the Sierra Club, the National Wildlife Federation and the Wilderness Society. The Boeing 2707 was intended to be the first American supersonic airliner, but increasing outcry over the environmental effects, notably the sonic boom, led to its cancellation in 1971 before the two prototypes had been completed. Only one month later the FAA's new director, Najeeb Halaby, produced the Commission on National Aviation Goals, better known as Project Horizon. [19], Halaby attempted to dismiss these concerns, stating "The supersonics are coming−as surely as tomorrow. The Boeing 2707 was intended to be the first American supersonic airliner, but increasing outcry over the environmental effects, notably the sonic boom, led to its cancellation in 1971 before the two prototypes had been completed. [35], The Museum of Flight in Seattle parks a British Airways Concorde a few blocks from the building where the original 2707 mockup was housed in Seattle. Production aircraft could start being built in early 1969, with the flight testing in late 1972 and certification by mid-1974.[14]. Featuring new add-ons, products and industry news. Juan Trippe leaked the information earlier that month, stating that the airline would not ignore the SST market, and would buy from Europe if need be. The design emerged as a large aircraft with seating for 250 to 300 passengers and cruise speeds of approximately Mach 3. [citation needed], Kennedy introduced the National Supersonic Transport program on June 5, 1963 in a speech at the US Air Force Academy. Windows were only 6 inches due to the high altitudes the aircraft flew at maximizing the pressure on them, but the internal pane was 12" to give an illusion of size. The wing featured extensive high-lift devices on both the leading and trailing edges, minimizing the thrust required, and thus noise created, during climb out. The package features FSX compatible gauges for the 2D panel, a new basic VC and new smoke effects.
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