SR 71 BLACKBIRD NACHFOLGER

CENAPCENAP-Infoline 01BildergalerieStadt,Land,FlußMein Odenwald-2006-2007TiereTechnikAstronomieHimmelsphänomeneNaturPRIVAT
►▼2021(1726)►▼2020(2254)►▼2019(2517)►▼2018(2163)►▼2017(1852)►▼2016(1946)►▼2015(1836)►▼2014(1331)►▼2013(1121)►▼25.11 - 01.12(18)►▼2012(883)►▼2011(172)
*

Mittwoch, 27. November 2013 - 13:00Luftfahrt - Hypersonic SR-72 Nachfolger des legendären SR-71 Blackbird Spionageflugzeug enthüllt

.

Du schaust: Sr 71 blackbird nachfolger

*

Lockheed Martin’s famed Skunk functions has lastly unveiled the long-awaited follower to ns SR-71 Blackbird. Aviation Week und Space Technology’s male Norris pulled the besteht aus off ns project that Lockheed Martin zu sein simply calling die SR-72. The neu airplane wollen be roughly the same size as die record-setting Blackbird, but wollen be maybe to fliegen twice as schon fast as the jet that ausblüten holds die speed records.

The neu spy pläne will be qualified of mach 6 cruise speeds, making it the first hypersonic aircraft to enter dienstleistungen should it be produced. Only ns rocket-powered phibìc American X-15 was able kommen sie regularly paris those speeds, und the 3 examples constructed were used zum research. Die SR-71 Blackbird zu sein legendary an aviation circles weil das its bilden 3 capabilities, and different iterations offered as a spy plane for 35 years until its retirement in 1998. It ausblüten holds numerous records, consisting of a flight from Los angeles to washington D.C. In 64 minutes, 20 seconds.

The neu SR-72 has lang been rumored und debated, und is part von the U.S. Waiting Force’s plan zum hypersonic capability that möchte allow fast reaction for gathering intelligence around ns world. A bilden 6 plane fills the gap betwee current monitoring aircraft that tun können loiter for long periods des time, however don’t oase the ability to transit kommen sie a neu area quickly. Ns SR-72 is deshalb expected to have optional to win capabilities, according to Aviation Week.

The key to the new airplane, together it was with die SR-71, will be ns engines. Lockheed martin told Aviation Week die company has actually been working with Aerojet Rocketdyne kommen sie build an air breathing engine the combines both a timeless turbine und a scramjet zu deliver the mach 6 performance.

Normal wind turbine jet engines have problems operating at speeds beyond bilden 2. The original SR-71 used a complicated system of a movable nose cone on die engine, together with vents that prevented shockwaves indigenous interfering with the flow, und slowed the air down enough deswegen that it can be ingested by the engine. Despite “unstarts” were a regular belästigt for Blackbird pilots, and caused troubles throughout ns life von the airplane.

The new SR-72 will use a turbine-based an unified cycle (TBCC) that will employ die turbine engine weist lower speeds, und use a scramjet hinweisen higher speeds. A scramjet engine ist designed to operate at hypersonic velocities by compressing the air with a very closely designed inlet, yet needs to be traveling supersonic prior to it is practical kommen sie begin with. So far research jobs from NASA, the Air Force und other Pentagon entities oase not been able to solve the belästigt of transitioning from the subsonic trip regime, with hypersonic trip with a einzel aircraft.

Lockheed martin told Aviation Week the has discovered a way kommen sie use existing turbine engines, and by lowering ns operating speed von the scramjet, make a transition kommen sie hypersonic speed possible.

The aerospace company says the may schutz a scaled demonstrator von the SR-72 modern technology flying von 2023. That airplane would be smaller, about ns size des the existing F-22 fighter and would it is in optionally piloted. Die SR-72 might enter service über 2030.

.

*

Skunk works Reveals SR-71 follower Plan

.


“It zu sein time kommen sie acknowledge ns existence des the SR-72 because von the HSSW walking forward,” says Leland. Together with die strategic “pivot to die Pacific,” die concept von high-speed ISR ist “starting kommen sie gain traction,” that notes. “According to ns hypersonic roadway map, die path to ns aircraft is through die missile, deshalb now it zu sein time zu get ns critical demonstration going.” these would prüfung individual elements des the propulsion system, which would then be integrated weil das the full-scale FRV evaluation.

“We schutz been continuing to invest firm funds, and we are kind of at a point where ns next procedures would require large-scale testing, i m sorry would significantly increase ns level des investment we"ve had to make to-date. Between Darpa and the waiting Force, it would certainly be extremely likely they"d oase to fund the following steps,” Leland says. Die FRV will deshalb give die Skunk functions a better idea ~ above overall advance costs, the adds.

As zum rumors of bei existing high-speed ISR aircraft, Leland is dismissive. “It"s to be almost 20 years since ns SR-71 was retired. If there was a replacement, they"ve to be hiding the pretty well,” that says.

.

Mehr sehen: Taylor Swift Ex Freund - Rache Ist Süßer Pop: Mit Diesen Promi

*

*

*

*

*

*

.

*

Quellen: WIRED, USAF, AVIATIONWEEK,

.

Update: 27.11.2013

.

Opinion: High Speed can Be die Next Stealth

.

*


Lockheed martin has labeled the hypersonic technology kommen sie be used bei the propose SR-72 mach 6 plane as the “new stealth.” It ist really the alt stealth, and it points to a classic example von how nearly every military and political leader bei Western defense fell an line behind a technological miscalculation.
The story von the SR-72"s predecessor, die A-12 Oxcart, ist endlessly fascinating. One of its many important und long-concealed aspects was the critical role von stealth. The Skunk Works" texas rival, bob Widmer"s team at basic Dynamics, came close kommen sie beating Lockheed for the CIA"s business with their hinterhältig Kingfish, which looked weirdly like ns much letztere F-117. Skunk works head kelly Johnson, who had been a staunch skeptic wie it came to “radar camouflage,” hurriedly reshaped die Lockheed competitor with chines, canted tails and radar-absorbing structures.
Behind both designs was a theory that reduced radar cross-section (RCS) and high rate would combine to defeat surface-to-air missile (SAM) systems. Phibìc American was even looking at ways von reducing die head-on RCS von the B-70 Valkyrie heavy bomber.
None of this reduced any eis with robert McNamara, Kennedy"s defense secretary. His “whiz-kid” operations experts believed ns Soviet unionist would quickly develop bigger SAMs and radars that would wipe out die advantages von height and speed. Die B-70 was canceled, und a nuclear-strike version of the A-12 was tolerated only when it was turned into ns experimental YF-12 und unarmed SR-71. McNamara"s favourite combat aircraft, die F-111, was designed around ns ability to fliegen at bilden 1.2 at low altitude, and that was die only Pentagon-approved formula zum a follow-on bomber study that would certainly lead to the B-1.
The problem with McNamara"s orthodoxy was that it was wrong. Ns S-200 SAM and MiG-25 interceptor that die Soviets designed to shoot down die A-12 can not alter the laws von physics. At high altitude, it takes wing area to intercept even a not-very-agile target, und it takes a gewächs of propellant zu loft the big, draggy kill auto before the bilden 3 intruder turns die intercept into a tail-chase that die rocket loses.
Johnson"s successor, Ben Rich, estimated die S-200 can down in SR-71 only if ns warhead was von the instant-sunshine variety. Bei practice, nobody ever hit a Blackbird, when McNamara"s low-fast penetrators confirmed vulnerable kommen sie guns, pelicans und attempts kommen sie tie ns record weil das minimum altitude.
The U.S. Air pressure dusted off the “high-fast sanctuary” an 1982 an defining die Advanced Tactical Fighter, the program that led to die Lockheed martin F-22. ATF was intended kommen sie cruise at bilden 1.6 und pull 6g hinweisen supersonic speed in burner, all punkt 60-65,000 ft.
The original ATF requirements well balanced stealth versus speed, height und agility. All-aspect stealth was added to die menu ~ Lockheed und Northrop promised the Pentagon that die price in weight, money or risk would be small. Die USAF would be an better shape heute if they had been right. If sie want to seen the initial requirements an action, look at the Chengdu J-20 and Sukhoi T-50.
High-fast do another brief return to die limelight in the at an early stage 2000s. Northrop Grumman"s bomber forschung focused top top sortie generation over lang distances. A supersonic plane cost an ext than a subsonic design, but could fly more sorties an the very same period und deliver the zuerst strike much more rapidly. If ns goal was zu threaten fleeting targets end a wide area, every supersonic aircraft might hold a greater area weist risk. One technician argued, “You require fewer systems, because die question is "Where tun können I be in 10 minutes?"”
Is high-fast worth reconsideration now? There are challenges. Speed makes it harder to search for und hit targets on die ground. It"s costly, however whether it require be viel more costly 보다 a high degree von stealth is in open question. It means reviving investment in forgotten technologies.
The SR-72"s mach 6 goal wollen be hard zu reach. Yet do us really need kommen sie go that fast? bilden 3-4, high altitude, situational awareness, reduced front-sector RCS und good electronic attack might be enough, und we might get over there without resorting kommen sie ramjets.

Mehr sehen: Ndr Aktuell Moderatorin Schwanger, Macht Tv Schwanger, Frau Petersen


But today"s bomber studies are focused on stealth, und even the value von the F-22"s speed und agility an dodging SAMs ist not stressed heute because aer questions could follow concerning ns survivability von slower, less maneuverable aircraft v a comparable or slightly bigger RCS. That zu sein today"s orthodoxy, more deeply entrenched 보다 McNamara"s faith in hedge-hopping.
As die 19th century humorist josh Billings put it: “It ain"t what a einer don"t recognize that makes ihm a fool. It"s all die things that does recognize that just ain"t so.”