ISRO's reusable launch vehicle Pushpak set for launch in Karnataka tomorrow

The Pushpak launch vehicle is India's bold attempt to make access to space most affordable, said S Somanath, Chairman, ISRO

Update: 2024-03-21 15:04 GMT
The RLV first flew from Sriharikota in 2016 and successfully landed on a virtual runway in the Bay of Bengal.| Photo credit: X/@ISROSpaceflight

‘Pushpak’, a Reusable Launch Vehicle (RLV) sometimes termed as the “swadeshi space shuttle”, is all set for its experimental flight at a defence airfield in Karnataka on Friday (March 22).

A sleek, SUV-sized winged rocket, it is seen as India’s bold attempt to enter the reusable rocket segment. The rocket will be launched at from the Chalakere Runway at 7 am. This experiment will be the third flight of Pushpak -- all part of a test of its robotic landing ability in more complicated circumstances.

“The Pushpak launch vehicle is India's bold attempt to make access to space most affordable,” S Somanath, Chairman, Indian Space Research Organisation (ISRO) told NDTV.

Futuristic RLV

“It is India’s futuristic Reusable Launch Vehicle, where the most expensive part, the upper stage, which houses all the expensive electronics, is made reusable by bringing it back safely back to Earth. Later, it could even do refuelling of in-orbit satellites or retrieving satellites from orbit for refurbishment. India seeks to minimise space debris and Pushpak is one step towards that as well,” he said.

Regarding the name, Somanath said the "Pushpak Viman" is India's legendary spaceship named in the Ramayan, known to be the vehicle of the Lord of Wealth, God Kuber. So it is appropriate to name India's most audacious 21st Century rocket as Pushpak. “It is expected that in times to come, it could be a money spinner for India when it becomes a commercially available launcher,” said the ISRO chief.

Not the first test

The RLV first flew from Sriharikota in 2016 and successfully landed on a virtual runway in the Bay of Bengal. The RLV was never recovered. As planned, it sank into the sea.

The second test of RLV, which has been in making for a decade, was successfully conducted on April 2, 2023, at the Chitradurga Aeronautical Test Range of the defence establishment. Called the RLV-LEX, the winged rocket was hoisted into the air by an Indian Air Force (IAF) Chinook Helicopter, slung on its under-carriage and then dropped to land in an autonomous landing, which went off without a hitch.

India first contemplated building its own version of the space shuttle over 15 years ago. However, it was a decade ago that a dedicated team of engineers and scientists was entrusted with the responsibility of turning RLV into a reality.

Space station

The 6.5-meter aeroplane-like spacecraft weighs 1.75 tonnes and will be hoisted aboard an IAF helicopter. During the descent, a phase which is essentially a glider-like event, small thrusters will help the vehicle navigate to the exact spot where it is supposed to land.

The government has invested over Rs 100 crore in the project, which is a milestone as the country moves towards making its own space station -- the Bhartiya Antariksha Station -- by 2035.

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