Nasa hopes for second bite at 'flying saucer' launch

2014-06-13 09:41
A saucer-shaped test vehicle holding equipment for landing large payloads on Mars in the Missile Assembly Building at the US Navy's Pacific Missile Range Facility at Kekaha on the island of Kaua‘i in Hawaii. (Nasa, AP)

A saucer-shaped test vehicle holding equipment for landing large payloads on Mars in the Missile Assembly Building at the US Navy's Pacific Missile Range Facility at Kekaha on the island of Kaua‘i in Hawaii. (Nasa, AP)

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Los Angeles - Nasa hopes to try again to launch a "flying saucer" into Earth's atmosphere to test Mars mission technology after losing the chance because of bad weather, project managers said on Thursday.

The space agency is working with the US Navy on the Hawaiian island of Kauai to see if it can get the experimental flight off the ground in late June.

During the current two-week launch window, the team came "tantalisingly close", but winds spoiled every opportunity, said project manager Mark Adler of the Nasa Jet Propulsion Laboratory.

Winds must be calm for a helium balloon to carry the disc-shaped vehicle over the Pacific so it doesn't stray into no-fly zones.

"We're ready to go. We're not giving up," Adler said.

Parachute design

Nasa has invested $150m in the project so far, and extending the launch window would come with some cost. If the flight doesn't happen this year, it would be postponed until 2015.

The mission is designed to test a new supersonic vehicle and giant parachute in Earth's stratosphere where conditions are similar to the red planet.

For decades, Nasa relied on the same parachute design to slow spacecraft streaking through the thin Martian atmosphere. The one ton Curiosity rover that landed in 2012 used the same basic parachute as the twin Viking landers in 1976.

With plans to land heavier payloads and eventually astronauts, Nasa needed to develop new drag devices and a stronger parachute.

Measuring 33.5m in diameter, the new parachute is twice as large as the one that carried Curiosity. Since it can't fit in a wind tunnel where Nasa does its traditional testing, engineers looked toward the skies off Kauai.

Nasa had rigged the test vehicle with several GoPro cameras with the hope that viewers would follow the action live online.

Project scientist Ian Clark called the weather delay "hardly even a hiccup" in the long road to landing spacecraft on Earth's planetary neighbour.

"We're still very enthusiastic," Clark said. "We're still very optimistic about the opportunities that we think we'll have in front of us to do this test."

Read more on:    nasa  |  space
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