Varunastra (torpedo): Difference between revisions

| name               = Varunastra

| image             =

| caption           = Varunastra

| type               = Heavy [[torpedo]]

<!-- Type selection -->

| is_vehicle         =

| service           =29 June 2016<ref name="varunastraNewsX">{{cite web |title=Weapon of Water: India gets its first indigenous torpedo, Varunastra |url=http://www.newsx.com/national/33794-weapon-of-water-india-gets-its-first-indigenous-torpedo-varunastra |access-date=30 June 2016|publisher=NewsX|date=29 June 2016}}</ref>

| wars               =

<!-- Production history -->

| number             = 150

| spec_label         =

| length             = {{convert|7|to|8|m|ft}}

| diameter           = {{convert|533|mm|in|abbr=on}}

<!-- Explosive specifications -->

| unit_cost = {{INRconvert|10|c}} - {{INRconvert|12|c}}<ref name="varunastraRediff">{{cite web |url=http://www.rediff.com/news/report/varunastra-joins-the-navy-things-you-must-know/20160630.htm |title=Varunastra joins the Navy; 9 things you must know |date=30 June 2016 |access-date=1 July 2016 |work=Rediff News }}</ref>

<!-- General specifications -->

| origin             = [[India]]  

| is_ranged         = yes

| is_bladed         =

| is_explosive       = yes

| is_artillery       =

| is_missile         = yes

| is_UK             =

<!-- Service history -->

| used_by           = [[Indian Navy]]

| manufacturer       = [[Bharat Dynamics Limited]]

|production_date=

| weight             = {{convert|1500|kg|lb|abbr=on}}<ref name="TH">{{cite news|title=Varunastra to undergo evaluation trials soon|url=http://www.thehindu.com/news/varunastra-to-undergo-evaluation-trials-soon/article5737344.ece |author=G. S. Subrahmanyam |date=1 March 2014 |access-date=30 June 2016 |work=The Hindu}}</ref>

| filling           = [[High explosive]]

| filling_weight     = {{convert|250|kg|lb|abbr=on}}<ref name="varunastraFrontLine">{{cite web |url=http://www.frontline.in/static/html/fl2905/stories/20120323290509800.htm |title=Underwater might |author=T. S. Subramanian |work=Frontline |date=23 March 2014 |access-date=30 June 2016}}</ref>

| detonation         =

| yield             =

<!-- Vehicle/missile specifications -->

| engine             = Electric

| engine_power       = Silver Oxide Zinc (AgOZn) batteries

| pw_ratio           =

| transmission       =

| payload_capacity   =

| suspension         =

| clearance         =

| fuel_capacity     =

| vehicle_range     = {{convert|40|km|mi|abbr=on}}<ref name="varunastraFrontLine"/>

| speed             = {{convert|40|kn}}<ref name="varunastraFrontLine"/>

| guidance           = Wire-guided, active-passive [[acoustic homing]]. Augmented by [[GPS]]/[[NavIC]] [[satellite guidance]].<ref>{{cite web |title=Varunastra joins the Navy; 9 things you must know |url=https://www.rediff.com/news/report/varunastra-joins-the-navy-things-you-must-know/20160630.htm |website=Rediff |access-date=8 October 2020}}</ref>  

| steering           =

<!-- Missiles only -->

| depth             = {{convert|400|m|ft}}<ref name="varunastraFrontLine"/>

| launch_platform   = * Ship<ref name="varunastraNewsX"/>

This torpedo is powered by an electric propulsion system with multiple 250 KWs Silver Oxide Zinc (AgOZn) batteries.<ref name="varunastraIndiaStrategic">{{cite web |url=http://www.indiastrategic.in/topstories3130_Indian_navy_ships_rely_on_DRDO_technology.htm |title=Indian Navy's most powerful ships rely on DRDO technology |website=indiastrategic.in |access-date=30 June 2016}}</ref> It can achieve speeds in excess of {{convert|40|kn|abbr=on}}, weighs around 1.5 tonnes and can carry {{convert|250|kg|lb|abbr=on}} of conventional warhead. This torpedo has more than 95 per cent indigenous content. Varunastra has conformal array transducer which enables it look at wider angles than most common torpedoes. It also has an advanced autonomous guidance algorithms with low drift navigational aids, insensitive warhead which can operate in various combat scenarios. It is the only torpedo in the world to have a GPS-based locating aid.<ref name="varunastraRediff" /><ref name="varunastraFinancialExp">{{cite web |url=https://www.financialexpress.com/india-news/varunastra-5-things-to-know-about-the-lethal-drdo-torpedo-for-indian-navy/301924/ |title=Varunastra: 5 things to know about the lethal DRDO torpedo for Indian Navy |date=30 June 2016 |access-date=6 July 2016 |work=The Financial Express |first=Smriti |last=Jain}}</ref> The exercise variant of Varunastra has integrated instrumentation system for recording all the dynamic parameters of the weapon, redundancy in recovery aids in case of emergency shut down or malfunction.<ref name="varunastraRediff" />

[[File:Manohar Parrikar and the Chief of Naval Staff, Admiral Sunil Lanba taking a close look at the ‘Varunastra’ torpedo, during the Handing Over Ceremony of ‘Varunastra’ torpedo to Indian Navy, in New Delhi.jpg|thumb|Admiral [[Sunil Lanba]] and [[Manohar Parrikar]] looking at Varunastra during its handing off ceremony to the Indian Navy]]

** [[Delhi-class destroyer]]

** [[Kolkata-class destroyer]]  

** [[Rajput-class destroyer]]  

** [[Kamorta-class corvette]]

** [[Talwar-class frigate]]