[LHC] SpaceX - PRIMEIRO REUSO! Ao Vivo no GAROA HOJE! Re-Lançamento de um Falcon 9!

Thu Mar 30 14:42:42 PDT 2017

03/30/2017 18:42
<http://24liveblog.com/share/196269378?url=https://v.24liveblog.com/live/?id=1381188>

Super-chilled, densified liquid oxygen is now flowing into the two-stage
Falcon 9 rocket.

Both stages of the launcher burn the same RP-1/liquid oxygen propellant
mixture.

2017-03-30 18:35 GMT-03:00 Felipe Sanches <juca at members.fsf.org>:

> 03/30/2017 18:26
> <http://24liveblog.com/share/196269362?url=https://v.24liveblog.com/live/?id=1381188>
>
> T-minus 60 minutes and counting.
>
> 03/30/2017 18:19
>
> T-minus 70 minutes. The launch autosequence has started, kicking off the
> first steps to begin pumping propellants into the 229-foot-tall Falcon 9 at
> launch pad 39A.
>
> RP-1 kerosene will be pumped into the two-stage Falcon 9 rocket first,
> followed by liquid oxygen chilled to near minus 340 degrees Fahrenheit
> (minus 206 degrees Celsius) at T-minus 45 minutes.
>
> 03/30/2017 18:14
>
> The SpaceX launch conductor just gave the go to start propellant loading
> on-time.
>
> 03/30/2017 18:13
>
> The propellant load poll is expected in one minute.
>
> 03/30/2017 18:03
>
> Checkouts of the Falcon 9's flight termination system are reported
> complete.
>
> 03/30/2017 17:51
>
> There are several changes to the Falcon 9 countdown that were first
> introduced Jan. 14 on a launch from California, the first SpaceX mission
> after a rocket exploded on a launch pad at Cape Canaveral Air Force Station
> in September.
>
> Engineers changed the filling sequence to avoid the problem of liquid
> oxygen becoming trapped in voids between helium pressurant tanks and their
> composite overwraps, which SpaceX says most likely caused the explosion
> last year.
>
> When it debuted a more capable Falcon 9 configuration burning
> super-chilled densified propellants in 2015, SpaceX shortened its launch
> countdowns to begin pumping fuel and oxidizer into the rocket just 35
> minutes before blastoff. SpaceX’s previous Falcon 9 countdowns followed a
> practice employed universally on cryogenically-fueled rockets worldwide, in
> which propellants are loaded aboard several hours ahead of launch.
>
> The “load and go” countdowns caused headaches at first, leading to several
> aborts and delays before SpaceX gained experience with the practice early
> last year. The late fueling plan has also drawn questions from NASA safety
> advisors, who worry the procedure will endanger astronauts strapped into to
> SpaceX’s Crew Dragon spaceships, which the company is developing to ferry
> people to and from the space station.
>
> The timeline for today’s countdown calls for RP-1 kerosene, chilled to
> around 20 degrees Fahrenheit (minus 6 degrees Celsius), to begin flowing
> into the two-stage rocket at T-minus 70 minutes. Liquid oxygen loading will
> follow at T-minus 45 minutes.
>
> A poll of the SpaceX launch team is expected at T-minus 78 minutes to give
> a "go" for fueling operations.
>
> 03/30/2017 17:50
>
> The danger area around the Falcon 9's launch pad is reported clear for the
> start of propellant loading operations.
>
> 03/30/2017 17:49  Flight timeline
>
>
> <http://24liveblog.com/show?img=//cdn5.24live.co/images/2017/03/31/1490906524640396.png>
>
> SpaceX’s Falcon 9 rocket is set for liftoff from Cape Canaveral tonight,
> heading due east over the Atlantic Ocean to deliver the SES 10
> communications satellite into orbit 32 minutes later.
>
> See a timeline
> <http://24liveblog.com/url?go=https://spaceflightnow.com/2017/03/30/falcon-9-launch-timeline-with-ses-10/> of
> the launch sequence.
>
> 03/30/2017 17:27
>
>
> <http://24liveblog.com/show?img=//cdn5.24live.co/images/2017/03/31/1490906185458232.jpg>
>
>
>
> 2017-03-30 17:33 GMT-03:00 Felipe Sanches <juca at members.fsf.org>:
>
>> 03/30/2017 17:27
>> <http://24liveblog.com/share/196269298?url=https://v.24liveblog.com/live/?id=1381188>
>>
>> Good afternoon from the Kennedy Space Center in Florida, where a SpaceX
>> Falcon 9 rocket is two hours away from liftoff with the SES 10
>> communications satellite.
>>
>> There have been no problems reported in preparations today, and sources
>> reported earlier that checkouts of the SES 10 satellite were proceeding
>> ahead of schedule.
>>
>> The SpaceX launch conductor is due to conduct a poll of his team at
>> T-minus 78 minutes to verify their readiness to begin tanking the rocket
>> with RP-1 kerosene and liquid oxygen propellants.
>>
>> 2017-03-30 17:28 GMT-03:00 Felipe Sanches <juca at members.fsf.org>:
>>
>>> 03/30/2017 14:54
>>> <http://24liveblog.com/share/196268641?url=https://v.24liveblog.com/live/?id=1381188>
>>>
>>> There continues to be an 80 percent chance of favorable weather during
>>> this evening's launch window, according to the official forecast released
>>> today by the U.S. Air Force's 45th Weather Squadron.
>>>
>>> The primary weather threat will be thick clouds.
>>>
>>> A front will pass through Central Florida on Friday, bringing gusty
>>> winds and rain showers to the area. Conditions will again improve for the
>>> backup launch opportunity Saturday, which also has an 80 percent chance of
>>> good weather.
>>>
>>> 2017-03-30 13:24 GMT-03:00 Felipe Sanches <juca at members.fsf.org>:
>>>
>>>> 03/30/2017 13:12  Photo gallery
>>>> <http://24liveblog.com/share/196267729?url=https://v.24liveblog.com/live/?id=1381188>
>>>>
>>>>
>>>> <http://24liveblog.com/show?img=//cdn5.24live.co/images/2017/03/31/1490890268829748.jpg>
>>>>
>>>> Walter Scriptunas II of Scriptunas Images took these photos
>>>> <http://24liveblog.com/url?go=https://spaceflightnow.com/2017/03/30/photos-previously-flown-falcon-9-booster-ready-for-second-launch/>
>>>> of the Falcon 9 rocket vertical at pad 39A this morning. Check out the
>>>> full-resolution versions to see the reused booster's tail number -- No. 21
>>>> -- visible between its four landing legs.
>>>>
>>>> 2017-03-30 12:36 GMT-03:00 Felipe Sanches <juca at members.fsf.org>:
>>>>
>>>>> 03/30/2017 11:09  SES 10 launch preps on track
>>>>> <http://24liveblog.com/share/196267152?url=https://v.24liveblog.com/live/?id=1381188>
>>>>>
>>>>>
>>>>> <http://24liveblog.com/show?img=//cdn5.24live.co/images/2017/03/30/1490882935798460.jpg>
>>>>>
>>>>> Sources say satellite checkouts are going ahead of schedule this
>>>>> morning after the Falcon 9 rocket went vertical at pad 39A. Airbus Defense
>>>>> and Space, SES 10's manufacturer, expected to need about 13 hours to test
>>>>> and prep the spacecaft once the rocket was vertical at the pad.
>>>>>
>>>>> Liftoff remains scheduled for 6:27 p.m. EDT (2227 GMT), the opening of
>>>>> this evening's launch window.
>>>>>
>>>>> 2017-03-30 9:43 GMT-03:00 Felipe Sanches <juca at members.fsf.org>:
>>>>>
>>>>>> 03/30/2017 05:16
>>>>>> <http://24liveblog.com/share/196266204?url=https://v.24liveblog.com/live/?id=1381188>
>>>>>>
>>>>>> The Falcon 9 rocket is again standing vertical at pad 39A after being
>>>>>> raised upright around 4 a.m. EDT (0800 GMT) this morning.
>>>>>>
>>>>>> Next up will be a series of checkouts and software uploads on the SES
>>>>>> 10 communications satellite, followed by the start of Falcon 9 countdown
>>>>>> procedures this afternoon.
>>>>>>
>>>>>> Final launch preps this afternoon will include the evacuation of the
>>>>>> launch pad prior to fueling, activation of the Falcon 9's computer and
>>>>>> navigation system, and a prelaunch poll by the SpaceX launch conductor at
>>>>>> 5:09 p.m. EDT (2109 GMT) to verify all consoles are "go" for the terminal
>>>>>> countdown.
>>>>>>
>>>>>> Super-chilled RP-1 kerosene fuel will be loaded first into the
>>>>>> two-stage booster, beginning around 5:17 p.m. EDT (2117 GMT). Liquid
>>>>>> oxygen, chilled and densified near its freezing point, will follow starting
>>>>>> at around 5:42 p.m. EDT (2142 GMT).
>>>>>>
>>>>>> The computer-controlled countdown will prep the rocket’s nine Merlin
>>>>>> 1D main engines for ignition, transition the Falcon 9 to internal battery
>>>>>> power, and pressurize the booster’s propellant tanks in the last 10 minutes
>>>>>> of the countdown.
>>>>>>
>>>>>> The launch window opens at 6:27 p.m. EDT (2227 GMT) and runs until
>>>>>> 8:57 p.m. EDT (0057 GMT). That is long enough to permit a recycle and a
>>>>>> second launch attempt should the first try be aborted in the final minutes
>>>>>> or seconds.
>>>>>>
>>>>>> 2017-03-30 9:36 GMT-03:00 Felipe Sanches <juca at members.fsf.org>:
>>>>>>
>>>>>>> É HOJE!!! Quem estiver em São Paulo, pode vir ver o streaming ao
>>>>>>> vivo no projetor aqui no GAROA :-D
>>>>>>>
>>>>>>> https://garoa.net.br/wiki/Foguetes
>>>>>>>
>>>>>>>
>>>>>>> 03/30/2017 04:52
>>>>>>> <http://24liveblog.com/share/196266124?url=https://v.24liveblog.com/live/?id=1381188>
>>>>>>>
>>>>>>> The Falcon 9 is being lifted to the vertical position at launch pad
>>>>>>> 39A.
>>>>>>>
>>>>>>> 03/30/2017 04:04  Mission preview
>>>>>>>
>>>>>>>
>>>>>>> <http://24liveblog.com/show?img=//cdn5.24live.co/images/2017/03/30/1490857464773660.jpg>
>>>>>>>
>>>>>>> A Falcon 9 booster that flew into space last year is set to launch
>>>>>>> again Thursday from Florida’s Space Coast with an SES communications
>>>>>>> satellite, a historic mission that could make major strides in validating
>>>>>>> SpaceX’s audacious goal of recovering and reusing launchers, and an
>>>>>>> achievement the company says will revolutionize the rocket business.
>>>>>>>
>>>>>>> Like all launches, the flight is risky, but SES officials and
>>>>>>> insurers are comfortable enough to put an operational satellite on-board.
>>>>>>>
>>>>>>> Martin Halliwell, chief technology officer of Luxembourg-based SES,
>>>>>>> said this week that he believes the risk has been blunted by months of
>>>>>>> inspections, refurbishment and engineering reviews.
>>>>>>>
>>>>>>> “We’ve been through this thing with a fine-toothed comb,” Halliwell
>>>>>>> said Tuesday. “SpaceX has been through this with a fine-toothed comb. This
>>>>>>> booster is a really good booster, and we’re confident in this one.”
>>>>>>> Read our mission preview story.
>>>>>>> <http://24liveblog.com/url?go=https://spaceflightnow.com/2017/03/29/spacex-ready-to-put-rocket-reuse-vision-to-the-test/>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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