HYDERABAD: Spacetech startup Skyroot Aerospace, which is gearing up to send India’s first private commercial space launch vehicle, Vikram-1, into lower earth orbit, successfully tested the third stage of the rocket.
“The third stage of our Vikram-1 launch vehicle, Kalam-100, roared to life for over 102 seconds – equipped with an advanced flex nozzle for precise thrust vector control,” Skyroot announced on Monday. “Kalam-100 generates a peak vacuum thrust of 100kN at an operating area ratio of 60 in flight. This is a success engineered by many – people and computers,” it said on social media platform X (formerly Twitter).
While the rocket is named Vikram-1 after Vikram Sarabhai, the father of India’s space programme, the third stage has been named Kalam-100 after India’s missileman and President APJ Abdul Kalam. The Hyderabad-based startup said the latest test builds on the success of the previous fixed-nozzle static fire test that used cutting-edge sensors to capture over 150 data channels.
The startup said the automatic launch computer and entire suite of Vikram-1 flight avionics, including the mission computer but excluding the chipset, used in the test were all developed by Skyroot in-house. The static test also incorporated an in-house developed head-mounted safe arm (HMSA) to ensure the safe operation of the rocket stage.
The test was conducted at Solar Group’s testbed at Nagpur. Solar Group, which also holds a minority stake in Skyroot, provided the casting support for the third stage of the rocket. The other investors in Skyroot include Singapore’s GIC and Temasek, the founders of Hyderabad-based Greenko Group, Myntra founder Mukesh Bansal’s Meraki Labs, Sherpalo Ventures, Worldquant Ventures, AUM Ventures and Graph Ventures.
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