Feeds

NASA aims for 2 Jan Atlantis launch

Further tests on pesky fuel tank sensors

Next gen security for virtualised datacentres

NASA will next week fill the fuel tanks of space shuttle Atlantis for a third time, in an attempt to resolve sensor glitches which have led to two aborted launches.

A first scheduled lift-off was last week cancelled due to the failure of two of the four sensors which monitor liquid hydrogen levels in the vessel's fuel tank. A second slated attempt on Sunday to get Atlantis into orbit fell victim to the same problem.

Of the first incident, NASA explained: "On Thursday morning, two of the four engine cutoff, or ECO, sensors inside the liquid hydrogen section of the tank failed a routine prelaunch check. Following the launch postponement, the tank's liquid oxygen and liquid hydrogen were drained.

"While the tank was being emptied, engineers monitored and collected data on the liquid hydrogen sensors that failed. During that process, another sensor gave a false reading, indicating that the tank was 'wet', when it was dry."

NASA's caution is based on the fact that faulty sensors could allow the shuttle's liquid hydrogen tanks to "run dry", potentially triggering a catastrophic explosion.

The remedial plan, according to Reuters, is to "splice jumper cables into about 100 feet of wiring that runs between fuel sensors in the shuttle's tank and the ship's engine compartment". These cables will be hooked up to instruments to monitor the electrical circuits, and hopefully locate the problem.

Programme manager Wayne Hale told reporters: "We think we have a high degree of confidence of pinpointing the location where we're having our problem."

If he's right, NASA has rescheduled Atlantis for a 2 January launch to carry the European Space Agency's Columbus laboratory to the ISS. ®

Secure remote control for conventional and virtual desktops

More from The Register

next story
Our LOHAN spaceplane ballocket Kickstarter climbs through £8000
Through 25 per cent but more is needed: Get your UNIQUE rewards!
LOHAN tunes into ultra long range radio
And verily, Vultures shall speak status unto distant receivers
NASA to reformat Opportunity rover's memory from 125 million miles away
Interplanetary admins will back up data and get to work
SpaceX prototype rocket EXPLODES over Texas. 'Tricky' biz, says Elon Musk
No injuries or near injuries. Flight stayed in designated area
EOS, Lockheed to track space junk from Oz
WA facility gets laser-eyes out of the fog
Volcanic eruption in Iceland triggers CODE RED aviation warning
Lava-spitting Bárðarbunga prompts action from Met Office
LOHAN Kickstarter push breaks TWELVE THOUSAND POUNDS
That's right, folks, you've stumped up OVER 9,000 beer tokens - and counting
prev story

Whitepapers

Endpoint data privacy in the cloud is easier than you think
Innovations in encryption and storage resolve issues of data privacy and key requirements for companies to look for in a solution.
Implementing global e-invoicing with guaranteed legal certainty
Explaining the role local tax compliance plays in successful supply chain management and e-business and how leading global brands are addressing this.
Advanced data protection for your virtualized environments
Find a natural fit for optimizing protection for the often resource-constrained data protection process found in virtual environments.
Boost IT visibility and business value
How building a great service catalog relieves pressure points and demonstrates the value of IT service management.
Next gen security for virtualised datacentres
Legacy security solutions are inefficient due to the architectural differences between physical and virtual environments.