2. CONTENT OF THE SEMINAR
âȘ INTRODUCTION
âȘ DEVELOPMENT
âȘ LCA PROGRAMME
âȘ PROTOTYPES ANDTESTING
âȘ DESIGN
âȘ AIRFRAME
âȘ AVIONICS
âȘ PROPULSION
âȘ CONCLUSION
3. INTRODUCTION
âȘ When there is no fighter crafts in the wing section of the Indian air force the
HALTEJAâ S stood on the side of the combat.
âȘ In this presentation the complete specifications have been evaluated and
described as per the knowledge.
âȘ The HALTejas is an Indian single-seat, single-jet engine, multi-role light
fighter designed by the Aeronautical Development Agency (ADA)
and Hindustan Aeronautics Limited (HAL) for the Indian Air Force and Navy.
âȘ The main objective of this presentation is to replace the
âȘ It came from the Light Combat Aircraft (LCA) programme, which began in
the 1980s to replace India's ageing MiG-21 fighters. LCA was officially named
"Tejas" in 2003, meaning "Radiant" in Sanskrit by the then Prime
Minister Shri Atal BihariVajpayee.
4. SPECIFICATIONS
âȘ ROLE: MULTI ROLE
âȘ WING CONFIGURATION: PURE DELTAWING CONFIGURATION
âȘ SWEEP ANLE: 50 DEGREES FROMWING ROOT
: 62.5 DEGREES FROM OUTER WING LEADING EDGE
: 4 DEGREESTRAILING EDGE FORWORD SWEEP
âȘ CONTROL SYSTEM:DIGITAL FLY BYWIRE SYSTEM
âȘ STABILITY : RELAXED STATIC STABILITY
âȘ RADAR : MULTI RADOR SYSTEM
âȘ AVIONIC SYSTEM: DIGITAL AVIONIC SYSTEM
6. LCA PROGRAMME
âȘ KOTA HARINARAYAN WASTHE ORIGINAL PROGRAMME DIRECTORAND CHIEF
DESIGNER .
âȘ IN 1969,THE INDIANGOVERNMENTACCEPTEDTHE RECOMMMEDATIONS BYTHE HAL
SHOULD DESIGN A FIGHTERAIRCRAFTAROUNDA PROVEN ENGINE.
âȘ THE LCA PROGRAMME ISAIMED FORTWO PURPOSESONE ISTO REPLACETHE INDIAS
AGEING MIG -21 FIGHTERCRAFTS
âȘ SECONDLY FORTHE ACROSSTHE BOARDADVANCEMENTOFTHE AEROSPACE
INDUSTRY IN INDIA .
âȘ THE GOVERNMENT SELF RELIANCEGOALS FORTHE LCA INCLUDETHREE MOST
SOPHISTICATED AND CHALLENGING SYSTEMS
ïFLY BYWIRE CONCEPT
ïAFTERBURNER ENGINE
ïPULSE DOPPLER RADAR.
7. AIRFARME
âȘ LCA IS CONSTRUCTED BY LITHIUM ALLUMINUM ALLOYS, CARBON FIBER
COMPOSITES ANDTITANIUM ALLOY STEELS
âȘ CFC MATERIALâ FOR DOORS AND SKINS,IN WING SECTION(SPARS,RIBS,SKIN). IT
CONTAINS 45% OFWEIGHT OFTHETOTAL AIRCRAFT.
âȘ LANDING GEAR DOORS AND AIR BRAKES AND ELEVONS AND FORTAILFIN
RUDDERS CFC IS USED.
âȘ The wing and fin of the compound-delta aircraft are of carbon-fiber-
reinforced polymer, and were designed to provide a minimum weight
structure and to serve as integral fuel tanks
9. COCKPIT DESIGN
âȘ IT HAS A NIGHTVISION GOGGLE GLASS COCKPIT
âȘ GETYOU HOME PANNEL IN CASE OF ANY EMERGENCY SITUATION
âȘ CISR-CISO DOMESTICALLY DEVELOPED HEAD UP DISPLAY
âȘ MULTIFUNCTIONAL KEY BOARD FOR BASIC FLIGHTANDTACTIC DATA
âȘ THREE 5*5 INCH DISPLAY
âȘ ELBIT FURNISHED DASH HELMET-MOUNTED DISPLAY
âȘ HANDS ONTHROTTLE AND STICK(HOTAS) FORWEAPON AIMING
INFORMATION
âȘ OXYGEN GENERATING SYSTEMS FOR LONGER MISSIONS
11. EQUIPEMENT SYSTEMS IN COCKPIT
âȘ GPS AND RING LASER GYROSCOPE BASED INERTIAL NAVIGATION SYSTEM
âȘ AN INSTRUMENT LANDING SYSTEM FOR POOR FLYING CONDITIONS(ILS).
âȘ GROUND PROXIMITY WARNING SYSTEM BASED ONTERRIAN REFERENCED
NAVIGATION SYSYTEM (TNS) IS EQUIPED
âȘ IFFTRANSPONDE/VHF AND UHF RADIOS FOR JAM âRESISTENT COMMUNICATION
SYSTEM.
âȘ AIRTO AIR AND AIRTO GROUND DATALINKS
âȘ MOVINGTARGET INDIACATION (MTI)
âȘ INTEGRATED DIGITAL AVIONIC SUITE FOR FLIGHT CONTROLS ,ENVIRONMENTAL
CONTROLS AND STORAGE MANAGEMENT SYSTEM AND AIRCRAFT UTILITIES
MANAGEMENT SYSTEM.
14. Avionics
âȘ THE ELECTRONIC WELFARE SIUTE FOR ENHANCE COMBACT
SURVIVABILITY IN DEEP PENENTRATION
âȘ THE EW SUITE IS DEVELOPED BY DARE WITH SUPPORT FORM
DLRL
âȘ THIS IS KNOWN AS MAYAVI
âȘ IT INCLUDES RADARWARNING RECEIVER AND MISSILE
APPROACH WARNING AND LASERWARNING RECEIVER
âȘ IT INCLUDES SELF PROTECTION JAMMER
âȘ IT IS ALSO EQUPED WITH INFRA RED SEARCH ANDTRACK
SENSORTO DETECT ANDTRACKTHERMAL EMMISIONS
18. FLIGHT CONTROL
âȘ RELAXED SATIC STABILITY DESIGN
âȘ QUARDPLUX DIGITAL FLY BY SYSTEM
âȘ PURE DELTA WING CONFIGURAION WITH SHOULDER -MOUNTED WINGS
âȘ CONTROL SURFACES ARE HYDRAULICALLY ACTUATED
âȘ WING OUTER LEADING EDGE INCORPORATES THREE SLATS
âȘ OVERTHE INNER WINGTHERE IS A SLATTO GENERATEVORTEX LIFT
âȘ HIGH AOA STABILITY ABOUT 28 DEGREES
âȘ DIGITAL FLIGHT CONTROL COMPUTER MADE BY ADE
âȘ DFCC USES 32 BIT PROCESSOR AND ADAPROGRAMMING LANGUAGE
20. PROPULSION SYSTEM DEVELOPMENT
âȘ Early on, it was decided to equip prototype aircraft with the General Electric F404-GE-
F2J3 afterburning turbofan engine
âȘ In 1998, after Indian nuclear tests, US sanctions blocked sales of the F404
âȘ Later it was given to the kaveri development.
âȘ It fails to supply a engine which can fly at higher altitudes .
âȘ Later for technical assistance it contacted the French engine company scecma
âȘ Using Snecma's new core, an uprated derivative of the Dassault Rafale's M88-2 engine,
providing 83â85 kilonewtons (kN) of maximum thrust was being considered by DRDO.
âȘ In November 2014, the DRDO was submitting documents to cancel development of
Kaveri.
21. DEVELOPMENT OF ENGINE
âȘ In 2008, it was announced that an in-production power plant
would have to be selected; this was required to be in the 95 to
100 kilo newton (kN) (21,000â23,000 lbf) range to execute
combat maneuvers with optimal weapons load.
âȘ After evaluation and acceptance of technical offers for both
the Eurojet EJ200 and the General Electric F414, the commercial
quotes were compared in detail and GE's F414 was declared as
the lowest bidder.
âȘ The deal covered the purchase of 99 GE F414 engines, an initial
batch will be supplied directly by GE and the remainder to be
manufactured in India under a technology transfer arrangement
22. VARIENTS OF TEJAS LCA
âȘ TEJASTRAINEEVARIENT
âȘ TECHNOLOGY DEMONISTRATED TD -1 ANDTD -2
âȘ TEJAS NAVALVARIENT
âȘ NAVAL PROTOTYPES
âȘ NP -1TWO SEAT NAVAL AIRCRAFT FOR CARRIER OPERATIONS
âȘ NP-2 SKY JUMPTAKE OFF AND ARESTED HOOK LANDING
âȘ PLANNED PRODUCTIONVARIENTS
âȘ TEJAS MARK 1A
âȘ TEJAS MK 1 NAVY AND MK 2 NAVYWITH IMPROVED CONDITIONS
27. COCNLUSION
âȘ AFTER ALLTHE DIFFFICULTIES NOWTHETEJAS LIFT OFF IN
TOTHE SKY WITH ITS LATESTTECHNICAL SKILLS FORTHE
COMBACT
âȘ ASTHE DESIGN IS DESIGNED IN 1980THE LATEST
MODIFICATIONS MADE LCATEJASTO ACQUIRETHETOP
POSITION AS GOOD AERODYNAMICS PERFOMANCE
AIRCRAFT
âȘ NOW ITSTIME FORTHE LCATEJASTO FILLTHE GAPSTHAT
ARE PRESENT INTHE INDAIN AIR FORCE AND NAVY