Todo sobre el F-22 Raptor (archivo)

[KF86]

Este fue el 1er derribo de F-22A a manos de un Super Hornet.

La cuestion es que un mismo F-16 se llevo puesto a un F-22A hace un par de años.

Por otro lado, no entiendo eso de lo de "mito"...¿de que mito hablan?.

[Bogdan-The-Kozak]

F-22 funding decision pushed back
By Stephen Trimble

The US Department of Defense has delayed a decision on extending production of the Lockheed Martin F-22 beyond a 1 March deadline imposed by Congress. It instead wants to keep all options open as it assembles its fiscal year 2010 defence budget, Pentagon spokesman Geoff Morrell told reporters on 25 February.

Extending F-22 production partly hinges on committing funds this year for long-lead parts. The Pentagon is authorised to spend up to $140 million up to 1 March, but has so far only released $50 million.

DoD officials will notify Congress whether it plans to release the additional $90 million before 1 March, but Morrell said: "I just caution you not to read too much into whatever the communication is that's made. To know the future of the F-22 programme you will have to wait until the FY2010 budget is rolled out." The funding would purchase raw materials that could be diverted to other programmes, such as the Lockheed F-35 Joint Strike Fighter, he added.

The new Obama administration plans to unveil its FY2010 budget request in April.

The US Air Force has invested $62 billion and purchased 183 F-22s. The DoD has authorised it to buy four more F-22s as war-time replacement aircraft in the FY2010 emergency supplemental budget request, Morrell said. The service wants to extend production beyond 187 aircraft, but has not provided a specific number. Gen Norton Schwartz, chief of staff, in February said he would not dispute reports that the USAF wants to buy about 60 more F-22s before closing the line.
http://www.flightglobal.com/articles/20 ... -back.html

Se definirá pronto.

[Luisfer]

No confundir, el Super Hornet es una cosa y el EA-18G otra, este tiene aspecto superiores al primero.

Mito por lo que siempre oigo maravillas del F-22, de eso que llegan hasta lo fantástico, y una ves mas queda demostrado que el mejor avión es y sera un multirol.

Saludos

[Bogdan-The-Kozak]

No confundir, el Super Hornet es una cosa y el EA-18G otra, este tiene aspecto superiores al primero.

Mito por lo que siempre oigo maravillas del F-22, de eso que llegan hasta lo fantástico, y una ves mas queda demostrado que el mejor avión es y sera un multirol.

Saludos

El F-22 es multirol tambien...

In addition to being America’s most prominent air-superiority fighter, the F-22 evolved from its original concept to become a lethal, survivable and flexible multimission fighter.

http://www.lockheedmartin.com/products/f22/

Yo repito, cuando el EA-18G combatirá contra el F-22???

[Luisfer]

EL F-22 multirol, bueno si gustan llamarlo así. Lo real siempre se impone al final y la realidad siempre causa disgusto.

Por otro lado, algunso datos del AN/ALQ-99

The AN/ALQ-99 Tactical Jamming System is the first fully integrated computer controlled support jamming system. The AN/ALQ-99 intercepts and automatically processes radar signals and power manages the system's transmitters to effectively jam large numbers of diverse radar threats with very high effective radiated power (ERP). Since the deployment in the early 1970's aboard US Marine Corps and US Navy carrier-based EA-6B Prowler aircraft, the system has undergone multiple upgrades. The EA-6B/ALQ-99 combination has become an indispensable fleet asset, fully integrated into all air wing combat missions.
The AN/ALQ-99 Tactical Jamming System (TJS) onboard system includes the receiver, processor, and aircrew interfaces. The TJS also includes a selection of mission-configured jammer pods carried as external stores. Each jammer pod contains a ram air turbine generator, two selectable transmitter modules with associated antennas, and a universal exciter which is interfaced with and controlled by the onboard system and aircrew. The modular open architecture of the jammer system, which facilitates optimizing transmitters and antennas for a given frequency range, also facilitates tailored mission configurations.


The AN/ALQ-99(V) Receiver Processor Group (RPG) system was developed for use in the severe interference environment of the EA-6B jamming aircraft. The RPG had completed Operational Assessment and obtained a recommendation for production before program cancellation in 1993. Six RPG EDM systems were delivered. The AN/ALQ-99 RPG provided precision direction finding, passive ranging, identification, and threat warning, and was intended for the Navy EA-6B ADVCAP aircraft in very dense environments and in the presence of onboard jamming. This system included look-through, look-above, and look-around techniques to control the interference, as well as processing algorithms to contend with the resulting fragmented pulse data. The RPG performed surveillance, radar warning, and countermeasures management in support of standoff and escort jamming missions. The system uses four quadrants of AZ/EL interferometer arrays for full azimuth coverage precision monopulse DF measurement. The receiver is a narrowband channelizer cued receiver architecture with a wide instantaneous bandwidth and multiple cued narrowband channels for simultaneous pulse measurement capability. The RPG performed real time lookthrough control of the ALQ-99 jammers to accomplish all required threat emitter detection and measurement functions without degrading jammer effectiveness. To achieve this, data processing algorithms were developed with lookthrough samples providing as little as 1% of an emitter's pulses.

The current EA-6B upgrade program includes the Universal Exciter Upgrade (UEU), the Band 9/10 Transmitter (transferred to the Navy from the canceled EF-111 SIP), and the Low Band Transmitter (LBT), all of which are modular upgrades for use with the AN/ALQ-99 jamming pods. Marconi Aerospace Electrical Systems of Rockville MD delivered the first ALQ-99 Band 9/10 radar jamming transmitter for the EA-6B Prowler on 08 April 1999. This initial delivery was the first of 120 planned units, which will provide new jamming capabilities to counter advanced surface-to-air missile systems.
The Band 9/10 Transmitter [XMTR] is intended to be capable of replacing existing Band 9 transmitter modules in the TJS configurable architecture, while extending the transmit frequency coverage through all of the system defined Band 9 and Band 10. This design provides the extended frequency coverage with the added operational flexibility of not requiring separate Band 9 and Band 10 modules for a missionized configuration which requires transmitter coverage in both bands. The Band 9/10 transmitter completed DT in June 1997 and the OPEVAL was conducted from July through August 1997 in accordance with the DOT&E approved Test Plan. MS-III is planned in 1QFY98. OPEVAL test flights were conducted by VX-9 at the Electronic Combat Range at Naval Air Warfare Center, Weapons Division, China Lake, CA, at the Air Force Material Command Nellis AFB Range complex, and during other VX-9 test flights. Fleet Navy and Marine Corps Prowlers carrying the comparison baseline Band 9 XMTR configuration also supported the OPEVAL. The VX-9 operational EA-6B aircraft was configured with both of the tested Band 9/10 XMTRs.


The FY97 OPEVAL of the ACAT-III Band 9/10 XMTR was adequate to find it effective. The Band 9/10 XMTR was assessed to be only potentially suitable due to an incompatibility under some conditions between the existing extended high band radome and transmissions in the Band 10 region. The Band 9/10 XMTR met its basic requirement for equivalent effectiveness to the current Band 9 transmitter in the frequency band covered by the current Band 9 transmitter. It also demonstrated effectiveness in the Band 9 /10 extended frequency range. Some scenarios tested demonstrated a definite requirement for follow-on tactics development to ensure effective employment. The two Band 9/10 transmitters tested were the newest of five EMD systems built, and were considered to be production representative after correction of hardware deficiencies discovered during DT, and after progressive overhaul with new components during the course of the extended DT. The systems under test performed without mission affecting failures throughout the OPEVAL.

The one major compatibility problem with the existing radome must be resolved via FOT&E prior to fleet deployment. This condition was well documented prior to entering IOT&E. Band 10 spot dwell on some azimuths are currently limited in order to guard against possible charring or delamination of the radome material. An ongoing radome material upgrade is planned to be completed in parallel with production of the Band 9/10 transmitter modules. Due to the azimuths of concern and predominant tactics, this restriction has virtually no adverse operational impact. It is imposed to prevent inadvertent damage of the radome. The radome upgrade is apparently fully funded and assessed as a low technical risk. The Navy's stated plan is to conduct FOT&E to demonstrate resolution of the radome incompatibility prior to any fleet deployment of the Band 9/10 XMTR, in order to field the system without operator controlled azimuth restrictions. The Low Band Transmitter (LBT) is designed for 1-3 Band Coverage, with several types of azimuth coverages (omni, bi-directional, or sector). The LBT is designed to support communications jamming, and to be controlled via direct 1553 Bus Control. Operationally, the LBT is missionized by one of four Antenna assemblies (3 Horizontal & 1 Vertical): Horiz Low (coverage Freq Low (FL) to FL+80), Horiz Mid (FL+70 to FL+230), Horiz High (FL+205 to Freq High (FH)). The one vertical antenna can be operated in two sub-bands: Vertical Low (FL to FL+20), and Vert High (FL+15 TO FH). The frequency breaks between antennae are still to be firmly set by Tracor.

For LBT antennae which can be in either an omni mode or a bi-directional mode, the current design calls for the Central Mission Computer (CMC) to automatically switch antenna modes to ensure that all threats are covered. Scenarios could be imagined (terrain masking, etc), where the operator might wish to select the antenna mode either in mission planning or manually. The operator should be able to specify by phase during mission planning whether he/she wants: 1) CMC auto control, 2) Bi-directional only, or 3) Omni only. Additionally, the operator should be able to interogate an assignment and change the antenna mode; mode will remain in effect until the altered assignment is cleared (either by phase if a phase PA, or by the operator if a DA, AA, or operator made PA).
The LBT Jammer Footprint GEO Display for sector and bi-directional assignments has been prototyped. Due to the fact that the Display Computer (DC) is out of memory, the bi-directional jammer footprints are drawn by connecting the four 3db/Rdr Horizon points (two on either side of the aircraft). Because of this, the aircraft symbol is often located slightly off center of the resulting "butterfly like" jammer footprint on the display.


The newly repackaged system can be configured as a Single-Seat Basic System or as a Dual-Seat Enhanced System. Contained within a pod, the electronics within the ALQ-99 utilizes a pre-mission planning system. This allows the user to achieve high-jamming capability at a low cost.
Single Seat Basic System The basic system would be contained in standard ALQ-99 jammer pods that provide a preemptive jamming capability against all threats in all directions. Ground-based mission planning would determine the jamming requirements and would be preloaded prior to aircraft takeoff. The system would be installed with minimal impact to the host aircraft and could be quickly converted between a support jamming platform and its primary role (fighter or strike aircraft).
Dual-Seat Enhanced System The enhanced system would add a receiving suite and additional processing which would provide an increased jamming capability and improved jammer management and mission effectiveness. The receiver suite maybe pod mounted or carried internally. The enhanced option also requires the expansion of the operator's displays and controls capability. An additional operator in the loop takes advantage of the added capabilities, control of the receivers, and jammers.
The Dual-Seat configuration has previously been approved for export. The Single-Seat configuration is in the final stages of export review for release to the first customer. The pod components, Hardback, Ram Air Turbine (RAT), Transmitters, Transmit Antennas, and Radome are currently in U.S. Navy/USAF inventory.

Via el forista Lucaz.

Un saludo

[maximo]

Es que el Growler, a diferencia del Prowler, retiene sus capacidades como caza.

la cuestion es si el f-22 descarga todo su arsenal casi simultaneamente al f-18 que sucederia.

Pues que aumenta la posibilidad de que alguno le pegue al F-18 (recordemos que estamos de ejercicio). Pero tampoco nos llevemos las manos a la cabeza, que esto se lleva haciendo hace muchisimo tiempo. Recuerdo cuando los Mirage 2000 franceses se pasaron todo un ejercicio (cuando decidieron quitar el secreto, supongo) anulando el enganche de los AMRAAM de los F-15. Por eso son tan importantes los equipos de guerra electronica.

Por otra parte tampoco me llevo las manos a la cabeza porque hayan "derribado" a un Raptor. Yo sigo insistiendo en que son aviones "terrenales". Ni estan pilotados por angeles, ni estan fabricados con tecnologia alienigena.

[Bogdan-The-Kozak]

Laughing Laughing EL F-22 multirol, bueno si gustan llamarlo así. Lo real siempre se impone al final y la realidad siempre causa disgusto.

Ah... porsupuesto tu sabes más que la Lockheed, que estupido que soy, lo siento mucho... [cínico]

Te lo pongo de nuevo por si no lo leiste:

In addition to being America’s most prominent air-superiority fighter, the F-22 evolved from its original concept to become a lethal, survivable and flexible multimission fighter.

http://www.lockheedmartin.com/products/f22/

[Bogdan-The-Kozak]

Igual que quede claro que aunque el F-22 es bueno, no es invencible, como cualquier avion que se construya. Aunque sigo preguntando, cuando el EA-18G combatirá contra el F-22?

[Maya]

Yo sigo insistiendo en que son aviones "terrenales". Ni estan pilotados por angeles, ni estan fabricados con tecnologia alienigena.

Pues no sera de construccion alienigena..... pero se le acerca......







Hangares como los de la "Estrella de la Muerte" o Area 51.....





Diseño vanguardista.........





Aeronave de 5ta. generación.....





Bahia interna de armas......









Fabricado en Materiales Compuestos........





Toberas vectoriales...............







Supercrucero................





Capacidad BVR (Beyond Visial Range) ..Mas alla del Alcance Visual......





Radar de ultima generación...............





Primer conjunto Integrado de Avionica en un jet de combate........







Cabina de 5ta. Generación.............





Motor F119, un avance revolucionario en propulsion para aeronaves de combate.........







...y por supuesto, como dijo Jeff Goldblum en "Dia de la Independencia": ventanas electricas!!.....................






Salud.

[ASCUA]

Algunas malas lenguas dicen que lo que realmente se sale de lo terrenal en el raptor es el precio...

En esto como en todo no hay o blancos o negros...

Es con seguridad el "mejor" en supercrucero, pero no el único...

No es con seguridad el "mejor" en el uso de materiales compuestos, Rafale y sobretodo Tifón están varios puntos (bastantes) por encima...
Y desde luego para cabina futurista la del F-35...

Ah, y en Lockeed Martin, como en todos lados, hablan bien del burro, porque quieren venderlo. Y como hay que venderlo, pues será multirol, será hasta barato y será lo que se tercie...

Pero son impresiones mias. Menos lo del precio, ojo.

[Maya]

Si "bastante" adquiribles..... pero lo bueno es que tu o yo no tenemos porque preocuparnos por esas minucias.

Los norteamericanos son los que se beberian preocupar, mas hoy con una recesion galopante como la que se les viene encima....

Multirol o no multirol, eso se lo dejo a los expertos... lo que si es indiscutible, es la posicion de Aeronave de Combate de Superioridad que ostenta el Raptor. En eso creo que todos concuerdan: es el No. 1 mundial!

Sip, otros como el Typhoon llegaron primero con la capacidad de supercrucero, o las toberas vectoriales como el Su-35 Terminator, o cabina de vanguardia como la que presenta el F-35...

...igual el Typhoon no es Stealth, el Terminator no tiene bahia interna y el F-35 no posee ni el techo ni la potencia del Raptor.... por tanto, siendo los anteriores proponentes pioneros de varias de esas mismas tecnologias, ninguno de ellos amalgama el conjuto de todas ellas en un paquete tecnologico que siquiera alcance, mucho menos sobrepase, al raptor.

El F-22 es el caza de superioridad mas poderoso del mundo hoy dia (tambien por su precio.. que no nos deberia importar mucho, o si?)



Salud.

[Meteorswarm]

El f-22 es el mejor sin duda,cuando dicen que es impertunbable en las ecm no lo dicen por decir,el stealth impide el jamming en muy buena medida y posibles virus que puedas enviar via radar y eso es muy importante,ten seguro que en las comunicaciones como centro network esta blindado con todo lo que te puedas imaginar y mucho mas contra hackeo externo.

Quiza el punto debil es en el lanzamiento de misiles en la apertura de compuertas, en la comunicacion de datos del caza al misil.

Apertura porque en ese instante abre todo su interior,lanzamiento de misiles por 3 motivos,el misil al ir interno no tiene capacidad visual y entonces tiene que recibir una precargade datos que debe ser realizada o dentro de la bodega o despues de lanzado,supongo que dependera del tipo de objetivo.

Si lleva la precarga interna no deberia llevar ningun problema pero si es externa por comunicaciones en un ambiente denso de ecm el misil podria no cargarse con la informacion,o el misil simplemente puede quedar cegado su sistema de deteccion o simplemente frita la electronica interna.

La solucion en parte es misiles con la mayor electronica interna cubierta de stealth que absorveria una buena cantidad de ecm sin dañar los circuitos,la solucion de ceguera del misil si es por radar en la banda que sea lo tiene crudo,es mejor uno con guia Ir,ultravioleta o combinacion de ambos.

Quiza el futuro proximo seran los misiles de 5 generacion stealth externos con sistema de guia doble de modo que aunque perturben uno quede el secundario,todo es ponerse si se logra un storm shadow/black sheen que son stealth tambien se puede hacer lo demas,los misiles del primer dia externos .

Desarrollando este tipo de tecnologia tened presente que algunos furtivos que no llegan a stealth tendran muchisimo que decir en un campo de batalla.


Por cierto al aparatito del gworler solo le falta el periscopio y sumergirse en el agua, ,pero no me importaria disponer de alguno de ellos para los efa ser posible a pares,

[Orel .]

Bogdan, el actual F-22 no es polivalente (como no fuera una versión futura muy modificada del mismo...). Puede hacer algunas misiones AS pero eso no hace a un avión conceptualmente polivalente. Eso implica mucho más. Otra filosofía de diseño, otros requisitos, otro uso operativo, otra optimización de perfiles de vuelo, otros sensores, otro armamento, otro software, otro interfaz hombre-máquina...

[KF86]

El Growler no es mejor que el SH, son 2 aviones similares pero para funciones distintas, puesto que el primero es especializado en guerra electronica.

Por otro lado, el F-22A es y seguira siendo superior a cualquier otro caza, todabia no se tienen la data para saber como fue el enfrentamiento real.

Por otro lado, me olvide de comentar que no hubo ningun lanzamiento real de un AIM-120, sino simplemente simulaciones mediante los POD.

Ah...otra cosa más, Boeing yá esta ofertando una nueva variante del Growler (24 hs despues).

¿Marketing?:cool:

[JoeLewis]

¿Un SuperHornet puede convertirse en Growlwer (a un precio razonable) o es mejor hacerlo nuevo?

saludos

PD, y siguiendo con el offtopic... ¿Es mucho mejor el Growler que el Tornado ECR?