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Thread: India test fires N-capable Dhanush missileIANS Bhubaneswar

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    India test fires N-capable Dhanush missileIANS Bhubaneswar

    India on Tuesday successfully test-fired its nuclear-capable Dhanush ballistic missile with a strike range of 350 km from a naval ship off the Odisha coast, said sources.
    The surface-to-surface Dhanush was test fired from INS Subhadra in the Bay of Bengal, said sources.

    It is a naval variant of India's indigenously-developed Prithvi missile.
    Defence Research and Development Organisation (DRDO) sources said the launch is successful as the missile reached the designated target.

    Sources said Dhanush missile is capable of carrying conventional as well as nuclear payload of 500 kg and can hit both land and sea-based targets under 350 km range.
    It has already been inducted in the armed forces.

    http://www.thestatesman.com/news/lat...JIwi8vtlIRO.99
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    Re: India test fires N-capable Dhanush missileIANS Bhubaneswar

    [MENTION=43]safriz[/MENTION]
    1. Dhanush is single stage liquid engine, modified Prithvi- III.

    2. it is capable of targeting both land and sea-based targets at a range of 350 km

    3. Dhanush is progressive missile to be phased into Anti ship ballistic missile (ASBM)

    4. ASBM with conventional warheads can take out Super Aircraft carriers with a single hit and is considered much more deadly and effective system than firing a salvo of Smaller Anti-ship Cruise missiles which can be intercepted

    5. ASBM technology requires precise and high-performance terminal guidance system to hit a moving warship in the open ocean with multiple level of tracking and mid-air correction is key for a successful hit and also requires pretty advance onboard avionics and sensors for course correction.
    6. ASBM missiles are termed quasi-ballistic missile system since it does not follow the regular flight path of Normal ballistic missiles. China was the first country who has operationalised anti-ship ballistic missile (ASBM) systems and are also working on second generation ASBM technology.
    7.India seems like is planning to develop Ship based ASBM systems and is also currently developing Ship based Tracking systems for ballistic missiles which will also help in tracking its land-based interceptors under countries Ballistic missile defence (BMD).

    8. X band seeker with dhanush will provide it active homing capability at speed of Mach -7/8

    9. Dhanush has four fixed tail fins and uses four control fins near the nose of the missile in order to maneuver within the lower atmosphere.
    Look at the image: Fixed tail fins are smaller & provide aerodynamic stability while Nose control fins provide maneuverability to the missile.



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    Re: India test fires N-capable Dhanush missileIANS Bhubaneswar

    Any idea if second stage has motor? Or just uses kinetic energy?

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    Re: India test fires N-capable Dhanush missileIANS Bhubaneswar

    Are you still making liquid fuel missiles?
    Great spirits have always found violent opposition from mediocre minds. - Albert Einstein

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    Re: India test fires N-capable Dhanush missileIANS Bhubaneswar

    Quote Originally Posted by safriz View Post
    Any idea if second stage has motor? Or just uses kinetic energy?
    You are confusing it with BMD. There is no second stage in Dhanush. It is just a quasi-ballistic missile with precise terminal guidance.
    There is pay-load with capacity of 500 kg.

    Coming back to BMD; PDV currently have an exosphere kill vehicle with single color IIR seeker.A simple IIR seeker can operate in 3-5 micro meter range while two color seeker can sense in rage of 8-12 micro meter which have low attenuation in atmosphere.2 color IIR seeker is to be tested next year which will defeat countermeasures such flares and IR jammer.
    source: http://www.ibnlive.com/blogs/india/s...79-748587.html
    [MENTION=50]Neo[/MENTION]
    India Prithvi missiles were supposed to be SAM which were reverse engineered from SA-2. The gimballing of liquid engine is more easy with Less loss of torque.

    for e.g PAD uses liquid fuel in second stage which provides maneuverability at high altitude.

    DRDO & ISRO uses many types of TVC in solid rocket
    1. Tungsten jet vanes for Barak8
    while C/SiC COMPOSITE FOR JET VANES in AAD-PAD/PDV
    =>Suitable for high maneuverability

    2. SITVC: Liquid secondary injection in sold rocket engine for pitch, yaw control & RCS for roll control
    nozzle is fixed in SITVC (All rocket family from SLV, ASLV, PSLV, GSLV uses it)
    3. Flex nozzles with Pneumatic Actuation System for thrust vectoring
    =>Agni II,III,IV,V & tactical ballistic missiles
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    Last edited by Mohan Tiwari; 26th November 2015 at 20:49.

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    Re: India test fires N-capable Dhanush missileIANS Bhubaneswar

    Israel Carries Out Another Successful Barak-8 Missile Test
    http://jewishbusinessnews.com/2015/1...-missile-test/
    The Israel Navy and Israel Aerospace Industries (IAI) carried out a successful interception test of the next generation Barak 8 missile system on Thursday, which is designed to protect naval ships and offshore gas rigs from hostile aircraft, missiles, and rockets.

    Barak-8, jointly developed by the Israel Ministry of Defense (IMOD) and the DRDO (Defence Research and Development Organization) in India, is an advanced groundbreaking air and missile defense system which provides ultimate protection against a variety of aerial platforms, in both land and naval scenarios.

    The system is considered an essential project by the IMOD and is led by Israel Aerospace Industries (IAI), as prime contractor, in collaboration with the IMOD’s Directorate of Defense Research and Development (DDR&D), ELTA Systems Ltd., IAI’s group and subsidiary, RAFAEL Advanced Defense Systems, and other defense industries.

    The Barak-8 naval version is intended for use by the IDF and the Indian defense forces and supplies both point and area defense against a variety of airborne threats.
    The system includes an advanced Phased Array digital radar, command and control, vertical launchers and missiles carrying a highly advanced seeker.

    The scenario began with a target launch. After detection by the System’s ship-based radar, the weapon system calculated the optimal interception point, launched the Barak-8 missile into its operational trajectory that acquired, and successfully intercepted the target. All weapon system’s components successfully met the goals of the test.

    Joseph Weiss, IAI’s President and CEO: “The successful test of the Barak-8 naval version reflects the system’s reliability and quality, together with its advanced technological capabilities. This unique project expresses the constructive cooperation between the Indian DRDO, the Israeli DDR&D and both countries’ Defense Forces. Barak-8 is one of IAI’s flagships and a major growth engine for the Company.”

    Boaz Levi, Executive Vice President and General Manager of Systems, Missiles & Space Group said: “Barak-8, with its naval and land versions, is a member of the elite club of the most successful Israeli military developments in the world. The development of the system is reflected in its innovation, creativity and its remarkable personal dedication of all those involved in the matter.”



    [MENTION=43]safriz[/MENTION]
    You can notice India's contribution
    1. Two Pulsed rocket motor
    2. Pneumatic actuator for Flex nozzle
    3. Tungsten jet vanes

    in Barak-8

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    Re: India test fires N-capable Dhanush missileIANS Bhubaneswar

    Dhanush Anti Shipping Ballistic Missile

    Dhanush ballistic missile is the Navy's one and only operational Ballistic missile. China and India is the only nation in the world who uses the Ballistic missile for Anti shipping missions. China uses the long range DF 21 missile to destroy American carriers using Nuclear warhead. The DF 21 D has the Range of some 1600 kilometers, While the Indian Dhanush is some 350 kilometer quasi ballistic missile, Chinese DF too a quasi ballistic missile. Quasi Ballistic means a missile which fly in low trajectory or large ballistic with in flight maneuvers make unexpected changes in his flight.

    Dhanush is a two stage missile, with solid and liquid fueled engines. The first stage always ignited with Solid fuel, The Dhanush can carry 500 kg warhead at the range of some 350 to 600 kilometers. The Dhanush missile is a modified Pritvi ballistic missile a variant also used in ballistic interceptor role too. Dhanush certified to be launched from small offshore patrol vessels to heavy Rajput class destroyers too. Currently most tests are conducted from the OPV's to validate the performance of the Dhanush platform.

    Dhanush actually a test platform, used to evaluate India's AShBM and BMD capabilities from sea based platforms. AShBM is something like a failed theory, While many suggesting It's very hard to hit a moving platform using the ballistic missile. The major reason is Ballistic missiles will not hit the target at bulls eye or pin point. Most ballistic missile hit target close to some 10 meter circular error probability. However some believes the term quasi ballistic missile can outperform the theories. Indian DRDO scientists claims with the fins and stabilizers the Dhanush can destroy the enemy ship with good accuracy.

    DRDO also claims that The fins can be controlled via on board visual camera's. Means the sea always in blue, and sea level always at constant point. While the ship is something different in color and shape too. One more is the Ship always above the sea level. This allows the Dhanush can engage the target in high precision. Navy has plans to deploy some Dhanush missiles in their front line warships.





    Dhanush also used to destroy Port's and Naval bases for quick support. Earlier Naval operation in 1971 shows the Navy's capability of attacking enemy port with barrage of missiles. Navy sticks to keep the same for future warfare too. As per officials Navy also deployed some Sukanya class OPV's with Dhanush missiles. Only disadvantages is if the Ship carries a Missile then it have no room to carry a helicopter vice verse.

    Launching Dhanush and Brahmos missile over enemy targets makes them less time to react and gives less or zero probability of intercept. The tracking radar and the missiles can be easily confused by both cruise and ballistic missile trajectory. most of the ships don't have good interceptor missile to intercept ballistic missiles, except AEGIS equipped warships.

    India also plans to field the Interceptor missiles in the Ships, just like how American added Standard Missiles into their frontline destroyers for ballistic missile interception. India also has plans to add PAD and AAD missiles into the ships for ballistic missile interception. However the long term plan will be executed once the land based system matured.
    Summary
    =>
    1. India & China are only two countries working on ASBM- Quasi ballistic missile
    2. Quasi Ballistic means a missile which fly in low trajectory or large ballistic with in flight maneuvers make unexpected changes in his flight.

    Dhanush's parent Prithvi II(SS-250) was the first Quasi ballistic missile tested by DRDO in 90's.

    The engine control allows the missile to stop climbing when it reaches an altitude of 30 km, travel horizontally at this altitude, and dive on its target at an 80 angle.
    3. AShBM is something like a failed theory.Hard to hit a moving vessel with pin point accuracy.
    SRBM have at max single digit CEP(10 meter)

    4.DRDO claims that the fins can be controlled via on board visual camera's(OBP- On borard processor and camera)

    5. Navy has plans to deploy some Dhanush missiles in their front line warships.

    6. India also has plans to add PAD and AAD missiles into the ships for ballistic missile interception.
    Last edited by Mohan Tiwari; 27th November 2015 at 15:18.

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