STS-135: Atlantis moving through S0007 tasks – Weather a concern for launch

Atlantis and her engineers are now working through the complex set of tasks relating to S0007 – better known as the launch countdown – with no major issues currently under evaluation. However, Friday’s countdown does have at least one challenge to overcome, related to the stormy weather which is expected to roll in over the Kennedy Space Center (KSC) late in the count.

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Providing Atlantis doesn’t suffer a major issue, resulting a lengthy turnaround, the start of S0007 operations marks the last time the iconic clock near the turn basin at KSC started ticking back from T-43 hours for a Space Shuttle launch.

Known as S0007 Operations, Call-to-Stations (CTS) occured at at 1230 EDT – with the clocks ticking 30 minutes later – ahead of Friday’s launch window, which ranges from 1121:46 – 1131:46 EDT, for a Flight Day 3 rendezvous; with an option to extend to 1135:05 EDT for a Flight Day 4 rendezvous.

Launch opportunities exist from July 8 to July 10, prior to the current plan to standdown for the Delta IV GPS launch, as the range undergoes reconfiguration for the Cape Canaveral launch, resulting in a constraint which stretches from July 11 to July 15.

The next earliest launch opportunity is 16 July, per the current plan, which can be – if required – negotiated with the the United Launch Alliance (ULA) to potentially juggle the range priority back to Atlantis.

With Atlantis’ Main Propulsion System (MPS) and Hyper pressurization tasks completed at the end of last week, S1287 operations were finalized, relating to orbiter aft closeouts. This resulted in the installation of the aft flight door and post closeout aft completion.

The APU (Auxiliary Power Unit) post-door aft confidence test has also been completed, with nominal results, as the orbiter was buttoned up for her big day. Also listed was the completion of the ODS (Orbiter Docking System) confidence tests, along with final preps on the MPS ahead of launch day.

STS-135 Specific Articles: http://www.nasaspaceflight.com/tag/sts-135/

Only two issues required a level of engineering discussion, namely final clearance for a waiver to be issued on the Interim Problem Report (IPR-55) relating to a slight breach of limitations during pressurization tasks on the Left Orbiter Manuevering System (LOMS), in addition to work on a problematic ground TACAN unit.

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STS-135: Atlantis moving through S0007 tasks – Weather a concern for launch
STS-135: Atlantis moving through S0007 tasks – Weather a concern for launch

“The sort of power-saving measures you might use in your own home. So we think we are actually very close to getting it if we get off on-time.” (Images: Via Brian Papke (Lead and VAB) and Larry Sullivan (T-38 and crew) MaxQ



All set for York's first TEDx conference

There will be a contribution live online from Adelaide by Kristin Alford, a leading expert in predicting social change in the future, and a chance to build and race your own hydrogen-powered Lego car. At least 20 people and organisations altogether



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Hydrogen Driven Coupé - How with the aim of Build A Hydrogen ...

Hydrogen is the most abundant supply next to the planet, so why aren't we utilizing this designed for fuel? Intentionally if you ask me it is because something so abundant would drive down gas prices that pennies plus energy companies wouldn't carry out but a dime every one few minutes. Kinda sad isn't it? Let somebody have you want to fight back? I assured break.

Or else we obtain into how you give away it, I'm going to tell you so as to this is probably a youthful diverse than what you are thinking, other than below a pleasant means. See, you are not going with the intention of be filling your auto and hydrogen. First off, where would you obtain it? Hydrogen filling stations don't gravely exist conversely in favor of mass produced vehicles. Two, hydrogen is a bit volatile along with it is dangerous with the aim of have sitting around below canisters. Other than refusal worries. There's a system around this in addition to it is a better solution than you deem.

At hand's what you are going with the aim of be doing. You are going to facilitate be using WATER, yes water, with the intention of double the fuel efficiency of your current van. You don't even have with the intention of buy a poles apart car. You were probably thinking you were going that have to spend thousands of dollars by the side of whichever fancy manner. Nope, this won't cost you excluding anything more time than a tank of energy.

So are you through to build your own hydrogen driven car?! Here we grant. All you need are some simple posts from the hardware records. Since said above, you are going with the intention of be using water so for the reason that to extract hydrogen molecules and feed them into your combustion chamber. You grant this on running a small electrical current into a more than ever configured reservoir. This will make happen HHO energy, which is truly water broken down into it's respective parts.

This HHO energy is next fed into your combustion chamber where it combines along with your existing air/fuel mixture along with creates an incredibly efficiently burning gas. This possibly will extended than double your current gas mileage along with above and beyond burns to a certain extent a bit greener (cleaner) than your current mixture. You'll extend the life of your sedan in addition to you'll anyway decrease the strain of your vehicle by the environment.

The decision is pretty simple if you ask me.


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