Northrop B-21 Raider

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Northrop B-21 Raider

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USAF Global Strike chief seeks beefed-up bomber force

Citat:“I believe we need to throw out the word ‘80 to 100’ (new bombers),” Rand said during a panel at the Air Warfare Symposium in Orlando, Florida on 26 February. “I prefer to use the term ‘minimum of 100’, and we’ll continue to refine that. I’m going to bring to you and the major command commanders some proposals later next month, but we will need a combination of bombers that will be somewhere in the 175-200 range.”

Citat:“It will be somewhere inside 175 to 200,” he confirms. “How much of that will be LRS-B? I said we’ve got to stop using ‘80 to 100’ and I want to go with a minimum of 100 LRS-Bs.”

The air force would need 16 to 41 extra bombers, depending on the final requirement, to meet that new force size, or about three to four additional squadrons.


https://www.flightglobal.com/news/articles/usaf-gl.....rc-422469/



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Napisano: 27 Feb 2016 18:42

Citat:I can just picture things at the Northrop-Grumman boardroom.

-"The USAF wants a new bomber. What do we do?"

-"It's Friday! Can't we just take the plans for the B-2 and gussy it up a bit?"

-"Good idea, Johnson!"

(The night before the deadline)

-"JOHNSON! This is clearly a photocopy of the original B-2 blueprints!"

*Johnson takes out his Sharpie and adds a "1"*

-"No sir! It's the all new Bee... Twenty-one! We got 'er done on time and only $2 million over budget."

-"Great work Johnson!"


Mr. Green Mr. Green Mr. Green

Dopuna: 27 Feb 2016 18:47

Toni ::https://twitter.com/SecAF23/status/703220450088751104



Lici na prve NG predloge za ATB:



Samo sto su mlaznice motora ispod.



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A jbg nemas puno opcija kada je dizajn u pitanju, letece krilo = stelt, dolet i nosivost kakvu drugi nemaju i nemas tu sta da izmisljas toplu vodu, posebno jer je u pitanju bombarder, tako da nema manevarbilnosti u jednacini. A i preteruju sa poredjenjem sa B-2 jer ce B-21 biti verovatno bar duplo manji.

Sta mislis za motore ? F-135 i F-119 ? Spominjali su zapravo PW-9000 i derivat F-136 koji nije prosao na tenderu za F-35. Zahtev nije da B-21 bude nadzvucan.

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Da sam im nadređeni, šutao bi ih u glave da nije modifikovani, umanjeni i modernizovani B-2. Ali iskreno, to je ono što im treba. Ekonomična verzija B-2.

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Njima treba glogov kolac a ne avion.

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Toni ::https://twitter.com/SecAF23/status/703220450088751104

Mozda je i to,to....

Citat:In particular, the aircraft seems to be designed around a standard flying wing: neither a “cranked kite” nor a kite like those seemingly spotted over the Wichita and Amarillo back in 2014.
As you probably remember, on Mar. 10, 2014 Steve Douglass and Dean Muskett took the photographs of three mysterious planes flying at very high altitude over Amarillo, Texas.
The three unknown planes looked like boomerang-shaped plane.
About one month later (on Apr. 15), Jeff Templin shot a triangular plane over Wichita Kansas.


Arrow http://theaviationist.com/?p=37212

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mean_machine ::Napisano: 27 Feb 2016 18:42


Samo sto su mlaznice motora ispod.


Tesko da ce mlaznice biti ispod. Umjetnicki prikaz pod direktivom usafa nikako ne moze i nece biti 100% vjeran. U nekom generalnom dizajnu je vjerojatno tocan, ali detalji mogu namjerno biti izostavljeni. Uzmimo primjer slicno umjetnickog prikaza pod direktivom usafa za B-2 iz 1989.


I na njoj ispuh motora izgleda kao da je nepostojeci na gornjoj strani aviona.

Zbog radarskog odraza mlaznice gotovo sigurno ne idu ispod. Idu ili iznad (vjerojatnije) ili ce biti dio izlazne ivice (manje vjerojatno) krila/trupa.

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Toni ::
Sta mislis za motore ? F-135 i F-119 ? Spominjali su zapravo PW-9000 i derivat F-136 koji nije prosao na tenderu za F-35. Zahtev nije da B-21 bude nadzvucan.


Bilo bi cudno da idu na nesto drugo osim F-135/PW9000. Videh da se pominje ostavljanje vise prostora da bi kasnije mogli da idu na GE ADVENT motor.

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USAF Defends B-21 Bomber Contract Arrangements

Arrow http://www.defense-aerospace.com/articles-view/rel.....ments.html

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Objavljeni komponentasi https://www.flightglobal.com/news/articles/usaf-na.....rs-422840/

Citat:P&W might have offered a derivative of the 43,000lb-thrust F135, perhaps a high-thrust version of its PW9000 military engine series that was revealed in 2010.

Vec misle o buducem motoru

Citat:GE Aviation's three-stream “adaptive cycle engine” is its hope for the future, and is being readied to power sixth-generation fighter jets. The variable-cycle engine has been matured under the US Air Force Research Laboratory’s adaptive versatile engine technology (ADVENT) and adaptive engine technology development (AETD) programmes.

It completed a preliminary design review in March 2015 and is competing against the Pratt’s alternative under an adaptive engine transition programme (AETP) with an award expected in 2016.

The air force will not say how many engines power the B-21, or provide any details about P&W’s involvement.


https://www.flightglobal.com/news/articles/usaf-na.....rs-422840/

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