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well bhai i dont still get it if LCA is lightests and smallest fighter jet in its class with maximum composites how come its wieght is almost identical to JF 17 and F 16 please do care to explain

Main reason is LCA's wing area~38.8m2 against jf17's wing area~24.8.. That is 50% more area although it is smaller.. Also wing conf- (wing must support itself ,so big wing more wt for additional streangthening [delta wing conf. also helps here]).. Fuselage and wing attachments are also more streangthened.. So high area low wing loading delta wing achieved here with same wt. of jf.. From diff forum posts so no validity..
 
One more silly question: In MK2, the use of GE-414 will increase the weapon load from 4000 kg to 5000 kg (if I am not wrong)..does it mean there will be an increase in hard points...or just change in armaments.
 
One more silly question: In MK2, the use of GE-414 will increase the weapon load from 4000 kg to 5000 kg (if I am not wrong)..does it mean there will be an increase in hard points...or just change in armaments.

Number of hardpoints will remain the same - 8 hardpoints. However increase
in payload capacity could mean we can put multiple-rack ejectors on the hardpoints.
 
By Astra Mk2, you mean the ramjet version same as meteor?


Ramjet doesn't mean very high speed always. LRSAM uses duel pulse motor and 1/3 of the weight of Akash and still have double the range. Astra MK 1 is a very potent missile in itself having a speed of Mach 3 means as fast as Akask.
 
Number of hardpoints will remain the same - 8 hardpoints. However increase
in payload capacity could mean we can put multiple-rack ejectors on the hardpoints.

Consider the fact we already have drag related issues with the platform, multiple ejector racks might be a bit of a challenge, specially for the indigenous weapons for which we have not developed such pylons (and no, fabricating and qualifying said pylons is not so simple a task). Alas the position of the landing gear ensures that the undercarriage hardpoint cannot really accommodate anything too broad otherwise one could have ventured towards a weapons pod.
 
We don't have to make directly something like F414. We need something simple but reliable for our own needs.


Correct.

Concentrate on Performance and forget abuot other parameter such Weight etc. We can reduce it later but we need to have a proper power engine in hand.

Because 9800kg is the clean take-off weight. And clean take off weight includes 2 BVR missiles (300kg-350kg).


Tamil mani said that gross weight 9.0 tons.

Director General Aeronautics and Chief Executive of CEMILAC Dr. K. Tamil Mani told The Hindu that Tejas was the best aircraft in the LCA category. Apart from being the lightest, with a gross weight of just about 9 tons, it was also the most cost effective as its price ranged from between Rs 170 and Rs 180 crore, which was almost a third of similar fourth generation aircraft.

Tejas all set to get certification for IAF induction - The Hindu
 
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Correct.

Concentrate on Performance and forget abuot other parameter such Weight etc. We can reduce it later but we need to have a proper power engine in hand.

The requisite dimensional constraints have to be respected too...No point in constructing a more powerful engine that cannot fit into the engine bay/rear fuselage of the LCA.
 
The requisite dimensional constraints have to be respected too...No point in constructing a more powerful engine that cannot fit into the engine bay/rear fuselage of the LCA.


To some extent, the change in dimensions are acceptable. Such as GE 404 And GE 414. we should take into account while designing the engine.
 
Main reason is LCA's wing area~38.8m2 against jf17's wing area~24.8.. That is 50% more area although it is smaller.. Also wing conf- (wing must support itself ,so big wing more wt for additional streangthening [delta wing conf. also helps here]).. Fuselage and wing attachments are also more streangthened.. So high area low wing loading delta wing achieved here with same wt. of jf.. From diff forum posts so no validity..
but bhai what is the use of such large wings LCAs wing are looks so much disproporshionate to its overall size .... i mean wat can LCA acieve from such a large wing area it produces so much drag aswell please care to explain thanks in advance
 
“Though to integrate Indian weapons is not a planned test point for the final operational clearance (FOC) of Tejas, we have started working on it for some time now. The Astra missile integration with an improvised range of 80-plus km (currently 40-45 km) is the next big challenge. We have also planned some PGMs (precision-guided munitions) for Tejas, including glide bombs and GPS-guided bombs,” Mani said.

DRDO Set to Increase Desi Components on LCA -The New Indian Express
 
Why the Indigenous Light Combat Aircraft Tejas will be a game changer | Firstpost

Major Indian defence exporters including Russia, the United States, Israel and France need to worry as India is on course to acquire a capability it has long been working for but operational success has remained elusive. A few days ago India stepped closer to scripting history in a major defence indigenization effort: building its own fighter aircraft with stealth capabilities. On 20 December, the Defence Research Development Organization (DRDO)-developed Light Combat Aircraft (LCA) Tejas got Initial Operation Clearance (IOC) for induction into the Indian Air Force. The event marked fruition of a long and difficult journey of three decades of efforts to make a fighter aircraft of international standards. If all goes well, the four plus generation aircraft is likely to get the Final Operational Clearance by December 2014 and be formally inducted into the IAF. It will also be inducted into the Indian Navy in due course. The Tejas project has cost India just Rs 7,000 crore – peanuts when compared to costs of similar aircraft in the world. The aircraft delivery is expected to commence from 2014. The DRDO is also working on making an advanced medium aircraft with twin engines. The induction of the Tejas has been delayed for years. PTI The induction of the Tejas has been delayed for years. PTI To put things in perspective, IAF Chief NAK Browne hailed the LCA Tejas project and said the progress of such a challenging experimental project without any accident or major incident was unprecedented in the history of aviation. Incidentally, Tejas got the IOC just days before his retirement at the end of this month. Another important factor to be borne in mind is that Tejas getting IOC has given a major boost to India’s military aviation along with the approval of several new programmes, such as Mk2 variants of Navy and Air Force; Advanced Medium Combat Aircraft; Unmanned Air Systems; Fifth Generation Fighter Aircraft and Medium Transport Aircraft. Tejas is designed to ultimately replace the Mig-21 series of IAF fleet of IAF and the timing of its IOC coincided with the iconic Mig-21 FL fighter flying into IAF’s history just a week ago. While granting the IOC to Tejas, Defence Minister AK Antony pointed out that the capabilities of the aircraft had been improved significantly in the past three years. “In recognition of the enhanced capabilities, IAF has decided to grant the aircraft a higher status, namely, the Initial Operational Clearance for induction into the Service,” he said. Antony candidly admitted that he had his share of anxieties regarding the future of LCA ever since he had taken over as defence minister in 2006 but was happy to put behind the moments of self-doubt, frustrations and setbacks of past 30 years. “The improvements to the aircraft have enhanced the flight envelope of the aircraft and also weapon delivery capability of the aircraft. The performance at Iron Fist, Jaisalmer and the recent missile firing at Goa are examples of such improvements. The reliability of the aircraft and serviceability has also been enhanced. The number of flights nearing 500 within this year provides an indication of this. Operating at IAF bases namely, Jamnagar, Jaisalmer, Uttarlai, Gwaliar, Goa, Leh, Pathankot demonstrate the aircraft capability to operate from Air Force bases. There have also been occasions when the same aircraft has flown thrice on the same day, indicating the operational reliability of this home-bred fighter aircraft,” Antony observed while giving the IOC to Tejas in Bengaluru on 20 December. Tejas is the smallest, light weight, single engine, single seat, and supersonic, multirole, combat aircraft. Defence ministry’s chief spokesperson Sitanshu Kar has described it as “one of the best in its class in the world” and said its four variants, including combat, trainer and naval, are being developed for land and carrier borne operations. Kar gave out some key features of Tejas remarking thus: “The quadruplex digital fly-by-wire flight control system ensures acceptable handling qualities while ensuring adequate safety throughout the flight envelope. The advanced Glass cockpit open architecture system complements piloting.” When Tejas got its first IOC on 10 January 2011, it still suffered from some rough patches as the aircraft had a few limitations in terms of Combat performance, turn- around time and its weaponisation which had to be refined and improved. Till date, more than 2450 sorties have been completed to achieve the flight test goals towards IOC-2 and the design issues were resolved. Tejas has the Multi Mode Weapon multirole capability, can fire Laser Guided Bombs, has passed all the tests for “All Weather Clearance” and has been cleared for fly without any telemetry support. It will enable the IAF to carry out air superiority and offensive air support missions, forward air field operations, all weather multi role operations, electronic counter measures and night flying operations. Moreover, Tejas is capable of flying non-stop to destinations over 1700 km away and its Radius of Action is up to 500 km depending upon the nature and duration of actual combat. Tejas marks an important chapter in the annals of Indian defence industry towards self-reliance. The development also opens up an opportunity for India’s public and private sector to work in tandem to develop and produce world-class military systems of the highest quality.
 
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