Global Fastener News

10/4/2010 11:14:00 AM
Bolts Eyed in Space Rocket Explosion

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South Korea’s Naro-1 rocket in June at the Naro Space Center in Goheung, South Jeolla, two minutes before it exploded.

Scientists are examining a key bolt as a possible cause of South Korea’s Naro-1 rocket explosion in June.

“The Ministry of Education, Science and Technology confirmed that Russian-made bolts designed to connect the first and second stage rockets are being checked for defects which may shed light on why the 140-ton, 33-meter-long rocket was lost 137 seconds after liftoff,” Yonhap reports.

The explosion cut short South Korea’s second attempt to launch the STSAT-2B satellite, which examines climate change, at an estimated cost of US$400 million. The first Naro-1 rocket lifted off on August 25, 2009, but failed to achieve orbit.

“The incident is seen as a major setback for South Korea’s space program, which had been aiming to become the 10th country to achieve the capability to launch satellites, and the fourth Asian country, after China, Japan, and India.”

A successful launch would propel South Korea into the commercial space launch race, an industry valued at around US$250 billion.

Korea and Russia formed a joint investigation team to determine what brought the rocket down. Naro-1 was designed in Korea, and the Russians built the first portion of the two-stage rocket. 

Since 1992, South Korea has launched 11 satellites from overseas sites with foreign-made rockets.
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