Summary
From the article:
Indian space officials celebrated the debut flight of Skyroot Aerospace’s Vikram-1 rocket, India’s first fully commercial satellite launcher, as a “grand success” Saturday after an on-target climb into a 280-mile-high orbit following liftoff from an island spaceport in the Bay of Bengal.
The Vikram-1 lifted off from India’s primary spaceport on Sriharikota Island at 1:35 am EDT (06:35 UTC) Saturday, around midday at the launch base along India’s southeast coast. The launch was delayed more than a half-hour to resolve a last-minute technical problem. The countdown resumed, culminating in the command to ignite Vikram-1’s solid-fueled first stage booster to propel the rocket off the launch pad.
Vikram-1 is modest in size compared to India’s larger workhorse rockets. Skyroot’s rocket stands about 72 feet (22 meters) tall, with the capability to place payloads of up to 770 pounds (350 kilograms) into low-Earth orbit. This makes Vikram-1 somewhat larger than the Electron launch vehicle developed by Rocket Lab, the world’s most successful dedicated small satellite launcher.
The flight Saturday went off without any major problems. Three solid-fueled rocket motors fired in succession to reach space, then a small liquid-fueled fourth stage ignited and accelerated to orbital velocity, some 17,000 mph. Live views from onboard cameras showed each phase of the launch sequence.
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“The mission objective was only to lift off and clear the tower,” said Pawan Goenka, chairman of IN-SPACe, a government organization set up in 2020 to promote India’s commercial space industry. “That was only about 100 meters, but what we went to was 450 kilometers, and it also released all the satellites that were supposed to release. So the mission was absolutely perfect.”
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Painted blue and white, the Vikram-1 is made of lightweight carbon composite materials and is named for the Indian physicist Vikram Sarabhai, considered the father of the Indian space program. Skyroot successfully launched a suborbital rocket, Vikram-S, to an altitude of nearly 300,000 feet (90 kilometers) in November 2022.
The Vikram-1 builds on lessons learned with Vikram-S. Skyroot’s future roadmap includes the Vikram-1U, with additional strap-on solid rocket boosters to haul heavier payloads, and the Vikram-2, which will debut a cryogenic upper stage to reach a payload capacity of 2,000 pounds (900 kilograms) to low-Earth orbit. The initial purpose of the Vikram rocket family is to “deliver dedicated and responsive launch services for small satellites,” Skyroot officials wrote in the press kit for Saturday’s mission.
But the company has loftier ambitions. In an interview ahead of the first Vikram-1 launch, Chandana told Ars his aspiration for Skyroot involves larger liquid-fueled fully reusable rockets, with a “daily cadence” from multiple countries.