Lockheed F-117 Nighthawk Aircraft Model | DIY Paper F-117 Nighthawk | How Make Paper Airplane Model

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Hoorma

Hoorma

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Template - drive.google.c...
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The existence of a new technology called “stealth” was announced by Secretary of Defense Harold Brown at a Pentagon news conference Aug. 22, 1980.
The special contribution of stealth was that it could reduce the radar cross section of an aircraft to approximately that of a bird, enabling a bomber to penetrate deep into enemy airspace without being detected or intercepted.
“It is not too soon to say that by making existing air defense systems essentially ineffective, this alters the military balance significantly,” Brown said.
What he did not say was that a stealth fighter prototype-which would lead eventually to the F-117 Nighthawk-had been test flown in 1977, or that a forerunner of a stealth bomber-the future B-2 Spirit-was already on contract.
Stealth was developed and fielded under tight secrecy. Despite occasional leaks and glimpses, the stealthy aircraft would not appear in the open for almost 10 years. The public rollout of the B-2 was in November 1988. The F-117 was publicly revealed in April 1990, four months after its combat debut in the Panama invasion of 1989.
The immediate reaction to Brown’s announcement in 1980 centered on politics. Critics said the reason for the disclosure-coming three months before the elections in November-was to take the heat off President Jimmy Carter for having canceled the nonstealthy B-1 bomber in 1977. Carter and Brown were also accused of recklessly releasing a critical defense secret for political purposes.
Republican presidential candidate Ronald Reagan, who would defeat Carter in the election, joined in the criticism. Upon taking office, though, Reagan decided on a two-bomber approach, reinstating the B-1 but proceeding concurrently with what would become the B-2. Development of the stealth fighter, concealed by even greater classification than the B-2, continued apace.
Stealth came under severe attack in the 1990s by those who wanted to cut defense spending. The harsh judgments were not lessened appreciably by the outstanding performance of the F-117 in the Gulf War in 1991 and that of the B-2 and the F-117 in regional conflicts later in the decade. Production was sharply curtailed for both aircraft.
The Lockheed fighter was at least five years, sometimes more, ahead of the Northrop bomber in the stealth timeline. The next step after the XST pole tests was “Have Blue,” Lockheed’s manned technology demonstrator that entered flight testing in April 1977.
Have Blue was a sharp-nosed single-engine aircraft with swept wings and stark planar surfaces. It was 60 percent the size of the F-117 fighter, which would come afterward. The facets, set at unusual angles, scattered the incoming radar beams.
The F-117 made its first flight in June 1981. Strictly speaking, the F-117 was an attack aircraft rather than a fighter. It was intended to drop bombs, not engage in aerial combat. However, Gen. Robert J. Dixon at Tactical Air Command believed that an “F” (for fighter) designation would be more attractive to the best pilots better than would an “A” (for attack).
Northrop’s BSAX demonstrator, “Tacit Blue,” made its first flight in February 1982. It was one of the strangest-looking aircraft ever built. For reasons needful to testing of the surveillance radar it carried, Tacit Blue was essentially a box with low-observable features wrapped around it. As Northrop acknowledged, “Tacit Blue’s shape looked like a butter dish with wings.” Between 1982 and 1985, Tacit Blue made 135 test flights.
Northrop had been announced in 1981 as winner of the contract for the Advanced Technology Bomber, which would be designated the B-2 in 1984. The Tacit Blue test results built confidence in Northrop’s approach to stealth.
In the interval since Lockheed’s Have Blue, computing power had increased exponentially, and it was no longer necessary to estimate radar cross section by figuring the results for individual panels one by one. The faceting route to stealth was largely abandoned.
The B-2 would not make its first flight until July 1989, only six months before the F-117 Nighthawk flew its first combat mission.
THE STEALTH REGIME
Stealth imposed penalties and trade-offs-chiefly in speed and aerodynamics-on the F-117 and the B-2. They had no afterburners and were limited to subsonic speeds. Supersonic flight would have undercut the benefits of stealth by announcing the presence of the aircraft, with both a sonic boom and a big thermal signature from the hot-burning engines.

Пікірлер: 19
@solarneptune7342
@solarneptune7342 2 жыл бұрын
Love the nighthawk! I have another recommendation, b-24 liberator please 🙂
@hoormahoorma
@hoormahoorma 2 жыл бұрын
very beautiful plane, I will do it if possible👌👍
@solarneptune7342
@solarneptune7342 2 жыл бұрын
@@hoormahoorma thank you 🙏🏻
@nhanvo8553
@nhanvo8553 Жыл бұрын
Is there a landing gears to add on if you want to?
@skierly8867
@skierly8867 Жыл бұрын
It turned out great and I made it remote control and able to fly with propellers and Programming😊
@hoormahoorma
@hoormahoorma Жыл бұрын
great, you are a great guy🤗💪
@skierly8867
@skierly8867 Жыл бұрын
@@hoormahoorma thank you 🙏 you are to
@militaryekspert464
@militaryekspert464 2 жыл бұрын
Можешь сделать рубрику в которой ты рисуешь то что какую модель ты будешь делать следующей танк, самолет и т.д.
@hoormahoorma
@hoormahoorma 2 жыл бұрын
Так, по можливості зроблю, але на даний момент поки що так)
@atabzanislam4278
@atabzanislam4278 4 ай бұрын
Kotha theke aniso ai paper
@jonparsons3121
@jonparsons3121 2 жыл бұрын
Where/how can I get a copy of this cool model kit? Thanks.
@hoormahoorma
@hoormahoorma 2 жыл бұрын
Hello! in the near future I will make a google drive with all the templates and add a snare to the description
@jonparsons3121
@jonparsons3121 2 жыл бұрын
Sounds awesome. Can't wait. Thanks!! 🙂
@nhanvo8553
@nhanvo8553 Жыл бұрын
Did you make the Google Drive yet?
@skierly8867
@skierly8867 Жыл бұрын
Please share the template with us
@hoormahoorma
@hoormahoorma Жыл бұрын
yes of course, there is a link to the template under the video in the description🤗 Template - drive.google.com/drive/u/0/folders/1rdUK3AmGSRAFt3YAFhYBd5Xp7CgRQ9XJ
@skierly8867
@skierly8867 Жыл бұрын
@@hoormahoorma OH my goodnes thanks so much
@hoormahoorma
@hoormahoorma Жыл бұрын
@@skierly8867 thank you for your comment, you are always welcome😁🤗
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