TAPAS-BH-201

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Not to be confused with DRDO Rustom.

DRDO TAPAS BH-201
Rustom flight 2 (cropped).jpg
TAPAS-BH-201 in flight
Role Unmanned aerial vehicle
National origin India
Manufacturer Bharat Electronics
Hindustan Aeronautics Limited
Designer Aeronautical Development Establishment
First flight 15 November 2016
Status In production
Primary user Indian Armed Forces
Number built 76 On order (initially)

[ 60 for Army, 12 For Airforce, 4 For Navy ]

Developed from DRDO Rustom-H

Tactical Airborne Platform for Aerial Surveillance-Beyond Horizon-201 or TAPAS BH-201 (Sanskrit: तपस्, tápas, "Heat") (formerly referred to as Rustom-II[1]) is a Medium Altitude Long Endurance (MALE) unmanned aerial vehicle (UAV) being developed in India by Aeronautical Development Establishment (ADE) on the lines of General Atomics MQ-1 Predator.[2][3][4] The first flight of the UAV took place in November 2016.[5]

Design[edit]

In October, 2010 a senior DRDO official had stated that the General Atomics MQ-1 Predator is an obvious template for the Rustom program.[6] DRDO built a credible unmanned flying platform. The way the Americans converted a robust surveillance drone into a combat drone is something we are confident we can replicate for the Rustom-H. It will have a great deal of mission flexibility.

In February 2012, ADE Director P S Krishnan stated that designing of Rustom-II has been completed, purchase orders have been placed and we are on schedule to fly for the first time in February 2014.[7] In contrast to Rustom-I, the next generation version is equipped with enhanced aerodynamic configuration, digital flight control, navigation system, communication intelligence, medium and long-range electro-optic payloads and synthetic aperture radar that will enable it to see through the clouds. Rustom-2 is capable of carrying different combinations of payloads depending on the mission objectives including electronic intelligence systems and situational awareness systems. It has a satellite communication link to relay situation in the battle theatre on real time basis.

The project started at the cost of ₹1,540.74 crore but later revised to ₹1,786 crore as of 2022.[8]

Development[edit]

In September 2013, the Rustom-II began full power taxi trials at the Kolar airfield near Bengaluru. It would carry out intelligence, surveillance and reconnaissance (ISR) roles for all the three armed forces in India. Once inducted, this indigenous medium altitude long endurance (MALE) multirole drone is likely to be an asset for Indian armed forces for its surveillance capability as well as for its use as an unmanned armed combat vehicle.[9]

TAPAS-BH-201 had a successful maiden flight on 16 November 2016 at Challakere, 200 km away from Bengaluru in the district of Chitradurga in south Indian state of Karnataka. It was tested for take off, landing and other parameters. Ten pilotless UAV's would be produced in one year. Nine prototypes more advanced than the initial one would follow for testing prior to the beginning of certification process.[10] Initially DRDO Chief S. Christopher denied arming Rustom-II.[11] There was news of Rustom-II using power plant of Austro Engine but no confirmation from DRDO side considering a Chinese company Wanfeng Auto Holding Group acquired it through Diamond Aircraft Industries in 2016.[8][12] Although it was reported that from prototype AF-5, ADE replaced 125 hp Rotax 914 with 180 hp engine from Austro. ADE was also planning to use 200 hp power plant from Lycoming Engines to improve power-to-weight ratio. In the meantime, Vehicle Research and Development Establishment (VRDE) and Tech Mahindra started working on an indigenous engine for Rustom-II.[13][14]

During the test phase, five additional prototypes were manufactured close to production variant powered by twin NPO-Saturn 36MT turboprop engines rated 74.57 kW (100 hp). ADE is also trying to decrease weight of Rustom-II by 260 kg. The platform is now being developed as a long endurance surveillance platform capable of deploying precision weapons. With an overall length of 9.5 m and a wingspan of more than 20.6 m, the UCAV needs a runway to takeoff and land unlike traditional UAVs. Initially 1,800 kg was planned but the prototypes are weighing 2,200 kg.[13] Rustom-II has a cruising speed of 135 kt carrying 350 kg of payload.[14][15]

The drone can loiter autonomously at high altitudes performing real-time, high-resolution intelligence, surveillance and reconnaissance (ISR) with its SAR and EO sensors. When a target is identified, it will either illuminate the target with a laser designator for other strike aircraft, or descend to lower altitude and attack the target with its own air-to-surface missiles.[15]

Combat Vehicles Research and Development Establishment (CVRDE) successfully conducted low speed and high speed taxi trial of Tricycle Nose Wheel Type Retractable Landing Gear System for Rustom-2 at Chitradurga on 2 August 2018.[16] Rustom-2 prototype AF-6 was crashed on 17 September 2019 due to link loss with the ground station that activated 'return home mode' but rough turbulence beyond the capacity of control law made the platform unstable.[17] This problem was later rectified in prototype AF-6A with upgraded features like a solid state relay-based low weight power distribution unit, an indigenous inertial navigation system and lithium ion batteries with satellite communication (SATCOM) link.[14]

DRDO flight tested the Rustom-2 and achieved eight hours of flying at an altitude of 16,000 ft at Chitradurga, Karnataka in October 2020. The prototype expected to achieve an altitude of 26,000 ft and endurance of 18 hours by the end of 2020.[18] Till now Rustom-2 completed 77 developmental test flights.[14]

On 13 November 2021, Rustom-2 demonstrated autonomous take-off and landing capability using GPS-aided GEO augmented navigation (GAGAN). It has T-shaped tail assembly and shoulder-mounted wings to improve perceptibility of payloads.[19] The platform uses Tricycle Nose Wheel Type Retractable Landing Gear System which is designed for high touchdown speeds and sink velocity during landing.[20] On 16 December 2021, TAPAS-BH-201 successfully crossed 25,000 ft and 10 hours endurance milestone. In March 2022, TAPAS-BH-201 successfully demonstrated 28,000 ft and 18 hours of endurance. The Indian Armed Forces are impressed by the advance ground control and image exploitation system of Rustom-2.[8] In May 2022, TAPAS-BH-201 system will be handed over to Hindustan Aeronautics Limited (HAL) and Bharat Electronics Limited (BEL) for limited production.[21][22]

Manufacturing[edit]

As per chairman and managing director of HAL, R Madhavan, six air-frames will be made in 2022 for user evaluation trials in which platform must reach 30,000 ft with an endurance greater than 16 hours. By 2023, DRDO will complete all development work related to Rustom-2 and HAL will start mass production after the completion of user trials. ADE will train HAL technicians for the integration of first two units and later monitor the production process for quality control. The final product will have combat range of 250 km. A total of 76 TAPAS drones will be inducted initially into the armed forces in which 60 is for Army, 12 for Air Force and 4 for Navy.[8][20]

Specifications[edit]

Data from Defstrat.com,[23] stargazer2006.online.fr[24] Janes.com[25]

General characteristics

  • Capacity: 350 kg (772 lb) payload
  • Length: 9.5[23] m (31 ft 2 in)
  • Wingspan: 20.6 m (67 ft 7 in)
  • Empty weight: 1,800 kg (3,968 lb)
  • Powerplant: 2 × NPO-Saturn 36T engines wing-mounted turboprop, 74.57[25] kW (100.00 hp) each (Prototype)
  • Powerplant: 2 × VRDE indigenous , 130 kW (180 hp) each (Production)
  • Propellers: 3-bladed constant-speed propeller

Performance

  • Maximum speed: 224 km/h (139 mph, 121 kn)
  • Ferry range: 1,000 km (620 mi, 540 nmi)
  • Endurance: 24 hours[26][27][28][29]
  • Service ceiling: 10,668[26] m (35,000 ft)

See also[edit]

Aircraft of comparable role, configuration, and era

Related lists

References[edit]

  1. ↑ "TAPAS only for surveillance, may be morphed for combat duty: DRDO chief". Deccan Herald. Retrieved 21 November 2016.
  2. ↑ "First flight of UAV Rustom-2 scheduled in Feb, 2014". The Economic Times. 22 February 2012. Retrieved 9 March 2022.
  3. ↑ "Unmanned: The Future of Air Wars". SP's Aviation. Archived from the original on 5 June 2022. Retrieved 10 February 2013. {{cite web}}: |archive-date= / |archive-url= timestamp mismatch (help)
  4. ↑ "India may soon have its own 'Predator drones'". Rediff News. 15 November 2011. Retrieved 9 March 2022.
  5. ↑ "DRDO's combat drone Rustom-2 flies for the first time - Times of India". The Times of India. Retrieved 18 November 2016.
  6. ↑ Nair, Raaj (30 November 202). "Eye in the sky for Indian Navy-Sea Guardians". Financial Express. Retrieved 28 July 2022.
  7. ↑ "ADE Finalizes Rustom-2 UAV Flight, Reveals Future Drone Projects for Defence". Defence Now. 25 February 2012. Archived from the original on 20 June 2022. Retrieved 9 March 2012. {{cite news}}: |archive-date= / |archive-url= timestamp mismatch (help)
  8. ↑ 8.0 8.1 8.2 8.3 Sagar, Pradip R (24 April 2022). "India will soon get a combat drone". The Week. Retrieved 28 July 2022.
  9. ↑ "India's Rustom MALE UAS Lifts Off This Month - Livefist". Livefist Defence. 17 July 2016. Retrieved 28 July 2022.
  10. ↑ "DRDO's combat drone Rustom-2 flies for the first time - Times of India". The Times of India. Retrieved 16 November 2016.
  11. ↑ Vasuki, Kestur (21 November 2016). "Tapas has no combat capabilities: DRDO". The Pioneer. Retrieved 28 July 2022.
  12. ↑ Mark, Rob (20 December 2016). "Chinese Company Buys Majority Stake of Diamond Aircraft Canada". FLYING Magazine. Retrieved 28 July 2022.
  13. ↑ 13.0 13.1 Jha, Saurav (10 February 2014). "Desi UAV efforts taking flight for India". News18. Retrieved 29 July 2022.
  14. ↑ 14.0 14.1 14.2 14.3 Anantha, Krishnan M (8 February 2020). "Rustom-II UAV, loaded with new features, set to fly soon". OnManorama. Retrieved 28 July 2022.
  15. ↑ 15.0 15.1 Kadidal, Akhil; Majumdar, Oishee (25 March 2022). "DRDO seeks greater endurance for Rustom II". Janes. Retrieved 28 July 2022.
  16. ↑ V., Ayyappan (2 August 2018). "CVRDE holds speed taxi trial of indigenously developed landing gear for Rustom 2 UAV". The Times of India. Retrieved 28 July 2022.
  17. ↑ "DRDO's Rustom-II UAV crash-lands near Challakere". The New Indian Express. 18 September 2019. Retrieved 28 July 2022.
  18. ↑ Gupta, Shishir (10 October 2020). "DRDO's Rustom-2 drone takes-off, India goes for armed Heron". Hindustan Times. Retrieved 28 July 2022.
  19. ↑ Rahmat, Ridzwan (15 November 2021). "India demonstrates autonomous take-off, landing capabilities of Rustom II UAV". Janes. Retrieved 28 July 2022.
  20. ↑ 20.0 20.1 Thakur, Aksheev (27 July 2022). "Bengaluru: HAL to start making airframes for TAPAS combat drones". The Indian Express. Retrieved 28 July 2022.
  21. ↑ Peri, Dinakar (15 December 2021). "Rustom-2 indigenous UAV crosses a milestone". The Hindu. ISSN 0971-751X. Retrieved 16 December 2021.
  22. ↑ Jha, Manish Kumar. "DRDO's Rustom II UAV Has Reached The Target Altitude Of 28,000 ft; No Need to Import ISR Drones: G Satheesh Reddy". BW Businessworld. Retrieved 23 April 2022.
  23. ↑ 23.0 23.1 "Unmanned Aerial Vehicles Made in India". South Asia Defence Strategic Review. Archived from the original on 14 May 2012. Retrieved 9 March 2012.
  24. ↑ "DRDO-ADE 'Rustom-I' and 'Rustom-H'". Stargazer. Archived from the original on 30 July 2022. Retrieved 9 March 2012. {{cite news}}: |archive-date= / |archive-url= timestamp mismatch (help)
  25. ↑ 25.0 25.1 Kadidal, Akhil; Majumdar, Oishee (25 March 2022). "India's Rustom II UAV can reach 28,000 ft, plans to stay aloft for more than 18 hours". Janes.com. Archived from the original on 25 March 2022. Retrieved 26 March 2022.
  26. ↑ 26.0 26.1 "India demonstrates autonomous take-off, landing capabilities of Rustom II UAV". Janes.com. Retrieved 26 March 2022.
  27. ↑ Rahmat, Ridzwan (15 November 2021). "India demonstrates autonomous take-off, landing capabilities of Rustom II UAV". Janes.com. Retrieved 25 April 2022.
  28. ↑ "DRDO's Rustom-2 drone takes-off, India goes for armed Heron".
  29. ↑ Jha, Manish Kumar (11 March 2021). "DRDO's Light Tank Will Be Power Pack As "The Highest Altitude Operable Tank In The Globe": G. Satheesh Reddy, Chairman DRDO". BW BusinessWorld. Retrieved 11 March 2021.
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