Sujet: Armes de fabrication Israelienne Sam 25 Juil - 20:31
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In the mid-70s a group of IAI (Israel Air Industries) engineers and IAF (Israeli Air Force) officers began a new project to develop an ultra modern Israeli fighter aircraft – a project that was supposed to take a quantum leap for aeronautics.
Designed to be the most advanced of its kind in the world by any standards, the Arie (Lion), would give the IAF a reliable option to the advanced US F-15 and F-16 types. Although it has never came through, the Arie became the cornerstone of another future and most ambitious project ever, an Israeli breakthrough to develop and produce the Lavi, the Israeli dream aircraft to outmatch the F-16.
Background
In response to the French embargo forced upon Israel after the Six-day warin 1967, a decision was made to strive for independence in the development of major weapons systems. Israel had already acquired the means to build good copies of the French Mirage, but wanted to be much more than just a clone maker. The commander of the IAF (1982-1987), Gen. Amos Lapidot: said, “The essence was to create a technological infrastructure to develop and manufacture weapons systems in the three major weapons systems platforms – tanks, aircraft and ships. Behind that concept, were three basic rationales: First, Israel should not, and could not rely on foreign countries very volatile foreign policies. Secondly, the Israeli air force always strives to develop and use new war tactics and strategies, and was in constant need of new equipment to fulfill those operational objectives. Third, a national strategy to promote Israel 's and IAI's state-of-the-art technological accomplishments". This last point doesn't come over so well in English - by implication, these accomplishments would deter aggression, save money on expensive foreign weapon imports and maybe help Israeli exports.
Development
In 1974, an IAI team was set up to begin the Arie project. As no government approval had yet been received to produce it, the program was simply codenamed “R&D project”. Ovadia Harrari, who would later become head of the Lavi program, was to lead that endeavor. The IAI decided to develop the Arie based on the technological knowhow acquired from the Kfir project, particularly from the Kfir-Canard program – the improved version. In fact, the first proposal which was put on hold by the Air Force, was to develop an aircraft to be named “Super Kfir” – a regular Kfir whose original J79 engine was replaced by an F100 model, the same as in early F-15/F-16s versions. That new engine would substantially increase the Super-Kfir's flying performance. However, due to the Air Force's strict specs requirements, a new draft was called for, in spite of the Kfir/Arie's visual similarities. Over thirty different configurations were evaluated. The IAI tested several engine models, including the British Rolls- Royce RB-199, which powers the European Tornado aircraft. Soon, the options were reduced to just two. The F-100 single engine plane, or a twin-engine version. The later, codenamed Light Weight Fighter-4 (LWF-4), was to be powered by two General-Electric F-404 engines as used in the F-18. “Looking at the different designs of the Arie, one can notice that it is an extensively modified Kfir” explains Harrari ,“ the aircraft is visually different, but its roots lay in the Kfir”. The new future fighter aircraft, which was now codenamed “Hadish” (innovative), could be described as a single seat light fighter, capable of reaching 2.4 Mach speed, a 75,000 ft altitude ceiling, with a 480 km combat radius. Armament: would have been a 30-mm cannon and medium range air-to-air missiles. Avionics would include a radar, a helmet sight and an integral electronic warfare system. In addition, the aircraft would have low optical and radar signatures. Even the US F-15 and F-16 could not match these features at that time. The outstanding question: An air-to-air fighter, or an air-to-ground attack aircraft? During its initial design phases, the 1973Yom-Kippur war broke out, and the Israeli Air Force focused its attention on the battle proven air-to-air configuration concept, as air power and air superiority consist basically of air-to-air combat missions. Therefore, about 90 percent of the “Hadish” capabilities would be directed for air-to-air combat.
Technologies and Avionics
The Arie had several technological breakthroughs. It was designed to be the first Israeli aircraft to deploy digital fly-by-wire flight control system (at that time, cutting edge technology). This fly-by-wire concept, permitted the engineers to design an aerodynamically non-stable platform. Hence, they could achieve a small and highly maneuverable aircraft. In the air-to-air version, to cope with enemy intruder aircraft, and keeping its air-superiority capabilities, the Arie would be equipped with advanced avionics and special ordnance systems: a highly sensitive Israeli radar capable of acquiring low-altitude flying targets. Advanced electro-optical systems would enable the Arie to locate ground targets at night. Another breakthrough, was the pilot's option to use his helmet mounted sight, easing his combat workload. In the mid-70's these systems were nearly unheard of. It would take another ten years for the helmet mounted sight to become operational in any type of combat aircraft. The Arie's cockpit resembles to a great extent that of the F-16's early versions. Besides the Head-up Display (HUD), a Monochromatic Display was mounted in the cockpit to display the radar's viewpoint. The Pilot's view was close to 360º visibility– a life and death factor in air combats. This is now the normal design in both Western and Russian combat aircraft from the F-15 onwards. The Arie's ordnance would include an improved 30-mm DAPA cannon, assorted air-to-air missiles, iron bombs, and precision guided ordnance. Max. military load is: 7 tons. Although that aircraft was not meant to be a stealth aircraft, some basic stealth features were studied to give it the option to strike heavily fortified missile zones. This objective was based on the lessons learned during and after the 1973 Yom-Kippur war, when Israeli fighters had to face a huge number of SAMs. The Arie would also be equipped with an advanced Electronic-Warfare system produced by Israel , giving the pilot an early warning signal to lock on to enemy threats and jam them. Studies were made to drastically reduce its radar signature, making it extremely difficult to be detected by enemy radar. For example, its bomb load was to be stowed inside a conformal ventral capsule, to reduce its radar cross section.
A Paper's Lion
According to the program timetable, the Arie's initial development phase should have been completed by mid 1979. Until then, the IAI would have to complete flight tests, select and define all the contractors. By that year's end, an initial test flight was scheduled for the first of three prototypes. By mid 1980, 10 pre-production aircrafts should be completed, with regular production to begin in the following two years. The Air Force should be receiving the first production Arie by the end of 1983. Delivery of 100 aircraft would be completed by the end of 1985. Meanwhile, the IAF was leaning towards the US aircraft option. Rumors indicated that the USA would finally agree to sell Israel F-15s and F-16s. Finally, a decision was made to order the US aircraft. and scrap the Arie. In August 1975, the IAF's chief, the (late) Gen. Benny Peled released a document defining the IAF's policy in relation to the Arie project. The document recommended the US F-15s and F-16s. Based on his assessment, the IAF began a procurement program of F-15s to be delivered by 1976. Moreover, it had been determined that the F-16 in principle answered Israel 's operational needs for an air superiority aircraft for the 80s. As a result of intense pressure on the IAF, Gen. Benny Peled decided to respond with a letter on May 10, 1976 , stating the reasons not to progress with the Arie: The US would agree to sell Israel F-16s. It had also been agreed that the US would sell Israel the F-100 engine, and there were not sufficient funds to keep the project moving. “The fundamental knowledge that led to the development of the Lavi relied on the experience acquired from the “Hadish” and Arie”, says Gen. Lapidot, who created the Lavi project board, and commanded the Israeli Air Force by the time the project was canceled. “It can be definitely stated that the Arie, the Nesher and Kfir programs, added significantly to the development of the Israel Aircraft Industry (IAI), so that when we gave the “go ahead” for the Lavi, we already had a complete infrastructure in place and ready to work. In 1980, we decided to build a smaller version of the Arie. It is not by coincidence that it was named the Lavi. Lavi is a Lion (Arie), although a very much younger and smaller one”
En matiere de technolgie et de créativité , sont vraiment au TOP. EST cela devrait inspirer ET si on battait le rappel de notre matiere grise eparpillée , a travers le monde ,comme l ont fait les cousins hébreux FAUT surtout pas éssayer de fabriquer des kalaches ou des jeeps blindées ou autres brouettes... CES TRUCS ,meme le soudan peut les fabriquer,ou les monter je ne sais pas,NON,il faut prendre de la graine de ces gars la . PS.Excuse cette petite intrusion sur ton topic Glaive. shalom,salam
GlaivedeSion General de Brigade
messages : 3887 Inscrit le : 15/07/2009 Localisation : ici et la Nationalité : Médailles de mérite :
En matiere de technolgie et de créativité , sont vraiment au TOP. EST cela devrait inspirer ET si on battait le rappel de notre matiere grise eparpillée , a travers le monde ,comme l ont fait les cousins hébreux FAUT surtout pas éssayer de fabriquer des kalaches ou des jeeps blindées ou autres brouettes... CES TRUCS ,meme le soudan peut les fabriquer,ou les monter je ne sais pas,NON,il faut prendre de la graine de ces gars la . PS.Excuse cette petite intrusion sur ton topic Glaive. shalom,salam
Le secret?
Le sens du travail, des gens bien formé avec des tête bien remplis et surtout 12% du PIB d'investissement publique
Israël ne récolte que les fruits dont elle a semé les graines
_________________ Sois généreux avec nous, Ô toi Dieu et donne nous la Victoire
reese Colonel
messages : 1646 Inscrit le : 10/05/2009 Localisation : alger Nationalité : Médailles de mérite :
les israeliens ont aussi un acces quasi-illimités aux credits de RD et a la technologie US la plus sensible sans aucune restriction
la technologie us la plus sensible? faut pas pousser quand méme les F-22 par exemple dont les usa ne veulent pas les vendres a israel,le radar x band etc etc......
la puissance technologique d'israel viens de ses programmes de recherches,et de ces investissements massifs, quand un gars viens postuler chez vous avec un diplome de l'univeriste de tel aviv,le technion de haifa ou l'université hebraique de jerusalem vous etes sur de la valeur de ce candidat
reese Colonel
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de memoire je citerais le programme Arrow ou le LAVI qui ont beneficiés d importants financements et de TT de la part des USA , sans meme mentionner l expertise missiliere ou aeronautique Francaise ( Jericho , BARAK , Kfir... ) .... et je ne sous-estime pas Aman
GlaivedeSion General de Brigade
messages : 3887 Inscrit le : 15/07/2009 Localisation : ici et la Nationalité : Médailles de mérite :
je voulais aussi ajouter qu israel avait aussi recupere beaucoup de savants et d ingenieurs tres competants dans la recente Aliyah venue de l'ex Union Sovietique , qui ont boosté la RD militaire
GlaivedeSion General de Brigade
messages : 3887 Inscrit le : 15/07/2009 Localisation : ici et la Nationalité : Médailles de mérite :
de memoire je citerais le programme Arrow ou le LAVI qui ont beneficiés d importants financements et de TT de la part des USA , sans meme mentionner l expertise missiliere ou aeronautique Francaise ( Jericho , BARAK , Kfir... ) .... et je ne sous-estime pas Aman
ta memoire est selective,vu que le maitre d'oeuvre est israelien pour le programme arrow et que les usa s'approprie toutes les technologie israelienne ,financé par les usa ou co developpé. le missile Jericho MD 620 n'a rien a voir avec le Jericho 3 teste il y'a environ deux ans le KFIR est issu de technologie francaise mais lourdement amélioré par israel et apres? le missile barak n'a en aucun cas beneficié de technologie francaise le LAVI avez un financement americain et aussi un réacteur americain cela ne les a pas empechez de torpillez le programme c'est dire que le Lavi etais un redoutable avion. Ce n'est pas AMAN qui ce charge de volé des secrets industriels mais le Mossad et anciennement le LEKEM
Peut étre que les Algériens font mieu qu'Israel je te suggére d'ouvrir un topic armes algeriennes tu pourra nous demontré ce que les algeriens sont capables de faire avec leurs financements et leurs scientifiques
GlaivedeSion General de Brigade
messages : 3887 Inscrit le : 15/07/2009 Localisation : ici et la Nationalité : Médailles de mérite :
de memoire je citerais le programme Arrow ou le LAVI qui ont beneficiés d importants financements et de TT de la part des USA , sans meme mentionner l expertise missiliere ou aeronautique Francaise ( Jericho , BARAK , Kfir... ) .... et je ne sous-estime pas Aman
ta memoire est selective,vu que le maitre d'oeuvre est israelien pour le programme arrow et que les usa s'approprie toutes les technologie israelienne ,financé par les usa ou co developpé. le missile Jericho MD 620 n'a rien a voir avec le Jericho 3 teste il y'a environ deux ans le KFIR est issu de technologie francaise mais lourdement amélioré par israel et apres? le missile barak n'a en aucun cas beneficié de technologie francaise le LAVI avez un financement americain et aussi un réacteur americain cela ne les a pas empechez de torpillez le programme c'est dire que le Lavi etais un redoutable avion. Ce n'est pas AMAN qui ce charge de volé des secrets industriels mais le Mossad et anciennement le LEKEM
Peut étre que les Algériens font mieu qu'Israel je te suggére d'ouvrir un topic armes algeriennes tu pourra nous demontré ce que les algeriens sont capables de faire avec leurs financements et leurs scientifiques
selective et pourquoi donc ? un peu rouillée peut etre . Je n'ai nullement l intention de sous-estimer la maitrise technologique les israeliens loin de la , et il n y a pas de honte a prouver que l'expertise des USA ou de l'Europe a aussi contribué a cet etat de fait . Aujourd hui israel est autonome ou leader mondial dans bien des domaines mais ca ne s est pas fait tout seul . Pour en revenir au Jericho premier du nom j'avait lu que MD avait entierment contribué au programme . Le Neshar / Kfir a beneficié des plans du Mirage III acquit en douce en Suisse et les techniciens d IAI avaient visité longuement et en secret l usine de MBDA qui fabriquait les EXOCET . Enfin LM avait fourni des elements de structures en composite et les ailes du LAVI il me semble , en cherchant bien je pourrais trouver d autre apports US dans ce programme , sans meme faire allusion au financement ( 200 ou 300 millions de $ de l epoque il me semble ) consentis par l 'administration Reagan . Quand a Aman tu excuseras ma meconnaissance des arcanes des services locaux , je pensais par analogie que les services de l'armée etaient responsable de l espionnage industriel un peu comme le GRU en URSS Et je ne comparerais pas la modeste industrie militaire d un petit pays du Tiers-Monde avec celle d israel , soyons serieux . Je voulais juste apporter quelques precisions historiques , desolé que tu le prenne aussi mal
PGM Administrateur
messages : 11677 Inscrit le : 12/12/2008 Localisation : paris Nationalité : Médailles de mérite :
Martin Van Creveld, dans Tsahal détaille l'evolution des système d'armes israeliens, et il est evident que l'excellence de cette industrie relève à la fois de la très longue experience de guerre (hélas), des ressources humaines du meilleur niveau, d'une aide financière et technologique US sans équivalent, mais aussi comme le rappelle reese, de transfert techno sans equivalent (MD a livré 60 missiles et les plans qui vont avec : ça aide), de pillage (on peut pompeusement parler de "renseignement") industriels à grande echelle. Lekem a du reste été fondé par S.Peres pour mener a bien les acquisitions dont avait besoin l'industrie nucléaire, et aussi pour contourner l'embargo du général. Mais il y a eu aussi la mise à profit des prise de guerre (mig 21, 23; T55,62, orgue de slatine, SAM6,7...) qui a aussi beaucoup joué. Ceci dit, ça n'est pas une critique, l'histoire oblige parfois à la débrouillardise...mais aussi à la roublardise
PGM
reese Colonel
messages : 1646 Inscrit le : 10/05/2009 Localisation : alger Nationalité : Médailles de mérite :
c 'est plus que de la roublardise , c'est une necessité absolue et imperieuse pour assurer la survie d israel au coeur d'un monde arabe hostile . israel se doit de rester en tete au niveau technologique pour compenser sa plus grande faiblesse , l insignifiance de sa population par rapport a celle des ses voisins . Son arsenal nucleaire a d ailleurs été concu dans ce sens , celui d un equilibrateur de force dissuasif . Et il est tout a fait normal que Tel Aviv s inquiete de la montée en puissance technologique de Teheran
Sam 25 Juil - 20:31
