Antares is on the launchpad, being readied for its first launch in about 10 days.
The competition heats up: Antares is on the launchpad, being readied for its first launch in about 10 days.
Tag: Antares
The roll out of Orbital Sciences’ Antares rocket to the launchpad will occur on Saturday, with the test first launch scheduled between April 17-19.
The competition heats up: The roll out of Orbital Sciences’ Antares rocket to the launchpad will occur on Saturday, with the test first launch scheduled between April 17-19.
Orbital Sciences has now set April 16-18 as the launch window for its first test launch of its new Antares rocket
The competition heats up: Orbital Sciences has now set April 16-18 as the launch window for its first test launch of its new Antares rocket.
After reviwing the results from the Antares hot fire on February 22, Orbital Sciences is now planning the first launch of the Antares rocket in April.
The competition heats up: After reviewing the results from the Antares hot fire on February 22, Orbital Sciences is now planning the first launch of the Antares rocket in April.
The Antares hot fire test of the rocket’s first stage was successfully completed tonight.
The competition heats up: The Antares hot fire test of the rocket’s first stage was successfully completed tonight.
The 29-second hot fire test took place at 6:00 p.m. (EST) on February 22, 2013 at the Mid-Atlantic Regional Spaceport’s (MARS) Pad 0A, which was designed and built over the last several years to accommodate liquid-fuel space launch vehicles. The primary goals of the test were to ensure that the launch complex’s fueling systems and the Antares stage one test article functioned properly in a fully operational environment, that engine ignition and shut down commands operated as designed, and that the dual AJ26 first stage engines and their control systems performed to specifications in the twin-engine configuration. The test included a full propellant loading sequence, launch countdown and engine ignition operation. The pad’s high-volume water deluge system flowed throughout the entire period of the test to protect the pad from damage and for noise suppression.
The first stage will now be prepped for a full scale test launch of Antares, expected in about six weeks. If that is successful, Orbital Sciences will then follow with a flight of the Cygnus capsule to ISS.
There will be hot fire tests on Friday of both the Antares and Falcon 9 rockets.
The competition heats up: There will be hot fire tests on Friday of both the Antares and Falcon 9 rockets.
The hotfire test of Antares’ first stage has been rescheduled for Thursday, February 21.
The hotfire test of Antares’ first stage has been rescheduled for Thursday, February 21.
The hot fire test of the Antares first stage tonight was aborted at the last second.
The hot fire test of the Antares first stage tonight was aborted at the last second.
The planned first stage propulsion system “hot fire” test of Orbital’s new Antares medium-class rocket was halted in the final seconds of the countdown by the rocket’s flight computer, which detected an anomalous condition. The Antares team will evaluate the data from the test to determine the nature of the abort. A new date for the test has not been determined.
With any new rocket this kind of thing is to be expected. The concern here is the tight schedule that Orbital Sciences is under to get Antares and Cygnus operational. Long delays will not be good for them, considering the politics in Congress. Every delay will be used by certain politicians to get this program cut so the money can go to the very expensive Space Launch System that feeds the jobs in their districts.
Update: It appears the issue was that the computer detected a low pressure reading and aborted the burn. (A similar issue occurred on several of SpaceX’s early launches as was very quickly corrected.) A rescheduled hot burn is expected to take place next week.
The hot fire test of the first stage of the Antares rocket has been rescheduled to tonight.
The hot fire test of the first stage of the Antares rocket has been rescheduled to tonight.
No reason has been given for the one day delay.
The hotfire engine test of the first stage of Orbital Sciences’ Antares rocket has now been scheduled for February 12.
The competition heats up: The hotfire engine test of the first stage of Orbital Sciences’ Antares rocket has now been scheduled for February 12.
Orbital Sciences has published an updated schedule for its Antares rocket and Cygnus cargo capsule.
The competition heats up: Orbital Sciences has published an updated schedule for its Antares rocket and Cygnus cargo capsule.
Key dates:
February: Hotfire test of the Antares first stage.
March: First test flight of Antares.
May/June: First test flight of Cygnus, on Antares, docking with ISS.
Third quarter 2013: First operational flight of Cygnus to ISS.
The competition heats up: On Friday Aerojet successfully completed a hotfire test of the AJ26 engine to be used by Orbital Sciences’ Antares rocket.
Orbital Sciences will do a hot fire launchpad test of its Antares rocket in January, followed by a test launch to orbit in February, and a first flight of the Cygnus capsule in April.
Schedule update: Orbital Sciences will do a hot fire launchpad test of its Antares rocket in January, followed by a test launch to orbit in February, and a first flight of the Cygnus capsule in April.
Orbital Sciences has begun testing the loading and unloading of fuel for the first stage of its Antares rocket at Wallops Island, Maryland.
Orbital Sciences has begun testing the loading and unloading of fuel for the first stage of its Antares rocket at Wallops Island, Maryland.
This is good, but the questions about the Antares’ system for ejecting its shroud after launch still remain, threatening the rest of the schedule.
NASA used Orbital Sciences’ Taurus 2 rocket for the failed launch of its Glory climate satellite in 2011, even though the agency knew the company had not fixed the problem that caused the loss of the Orbiting Carbon Observatory in 2009.
NASA used Orbital Sciences’ Taurus XL rocket for the failed launch of its Glory climate satellite in 2011, even though the agency knew the company had not fixed the problem that caused the loss of the Orbiting Carbon Observatory in 2009.
The investigators believed there was as much as a 50% chance the faulty component — a fairing separation system for ejecting the protective shroud that covered the satellite during launch — would fail again. Sadly, it did, destroying Glory. More significant for the future, however is this:
Other Orbital vehicles, including the air-launched Pegasus and a new Antares rocket, use a version of the same fairing separation system that is most likely responsible for the combined $700 million loss of two key climate-study satellites. Orbital’s original name for Antares was Taurus II.
So far, NASA has not accepted the Antares shroud-separation configuration for operational flights. Dulles, Va.-based Orbital says it has made a number of changes to its frangible joint fairing separation system in the wake of the Glory launch failure, including modifications to the frangible rail used on Antares. The company is developing that rocket under NASA’s Commercial Orbital Transportation Services (COTS) program to carry cargo to the International Space Station (ISS).
If NASA isn’t satisfied with Orbital’s design changes to this system, it could significantly delay the launch of Cygnus and Antares to ISS.
Update: I had mistakenly referred to the Taurus 2 in the first sentence when the rocket used to launch Glory and OCO was the Taurus XL. This is now corrected.
Hurricane Sandy has forced Orbital Sciences to suspend the engine tests of the Antares rocket.
Hurricane Sandy has forced Orbital Sciences to suspend the engine tests of the Antares rocket.
Orbital Sciences has delayed the first demo launch of its Cygnus cargo capsule until March 2013 at the earliest.
Orbital Sciences has delayed the first demo launch of its Cygnus cargo capsule until March 2013 at the earliest.
The schedule for Antares itself has not been delayed. Launchpad tests are still scheduled to begin next week, with the first engine test set for early November, and the first launch of Antares set for December.
They don’t explain the reason for the Cygnus delay. I suspect they simply decided to be realistic. It was always unlikely that the first Cygnus launch would follow only a month after the first Antares launch, especially if there are any kinks in that launch.
The first stage of Orbital Sciences’ Antares rocket was rolled to the launchpad today.
The competition heats up: The first stage of Orbital Sciences’ Antares rocket was rolled to the launchpad today for testing.
The rollout to the launchpad of the first stage of Orbital Sciences’ Antares rocket has been delayed until Saturday.
The competition heats up: The rollout to the launchpad of the first stage of Orbital Sciences’ Antares rocket has been delayed until Saturday.
The rollout had been scheduled for today, but had to be scrubbed due to a battery problem in the transporter for moving the rocket. Once on the pad, they will then spend the next 4 to 6 weeks preparing for a hold down firing test. And if that test goes well, they will follow it up with the first launch of Antares before the end of the year.
Orbital Sciences gets ready for its first cargo mission to ISS.
The competition heats up: Orbital Sciences gets ready for its first cargo mission to ISS.
The article gives details about the status of Cygnus and Antares, including mentioning that the first test of Antares is now set for late October.