Hexacopter Drone Watches SpaceX Grasshopper Take Highest Flight Yet

Image of the Grasshopper's 325 meter hop on Jun 23, 2013. Credit: SpaceX.

This is an absolutely awesome view of the latest test flight of the SpaceX Grasshopper. The footage is shot with a camera attached to a hexacopter drone, and provides the closest view yet during a Grasshopper test of the operating rocket stage. During this test, Grasshopper flew to 744 meters (2,440 feet).

Grasshopper is a 10-story Vertical Takeoff Vertical Landing (VTVL) vehicle that SpaceX has designed to test the technologies needed to return a rocket back to Earth intact. It consists of a Falcon 9 rocket first stage tank, Merlin 1D engine, four steel and aluminum landing legs with hydraulic dampers, and a steel support structure.

While most rockets are designed to burn up in the atmosphere during reentry, SpaceX’s rockets are being designed to return to the launch pad for a vertical landing. “The Grasshopper VTVL vehicle represents a critical step towards this goal,” says SpaceX.

Sit back and enjoy the ride!

Yes, Elon Musk Really Does Say All This, Um … Awesome Stuff

Elon Musk via 's***elonsays.com'

One of the ‘hot’ memes these days are collections of sayings by various groups or persons, classified under the “S*** [insert name] Says” genre of videos, articles and websites. A new site making the rounds among the space community is “S*** Elon Says” which includes an assemblage of over 40 actual quotes from SpaceX and Tesla founder Elon Musk. Besides listing some of the most awesome, peculiar and downright futuristic quotes from Musk, this site is also one of the most thoroughly researched in this type of meme, as each quote links to transcripts of press conferences, news shows and conference panels where Musk actually said these things.

Enjoy a little Friday diversion to read some of the um, awesome stuff Elon says.

Hat tip: Ryan Kobrick

SpaceX Says Falcon 9 Upper Stage Did Not Explode in Orbit (and it wasn’t a UFO, either)

The launch of SpaceX's Falcon 9 v.1.1 rocket from Vandenberg Air Force Base in California on September 29, 2013. Credit: SpaceX.

When the US Space Surveillance Network indicated they were tracking additional objects in orbit following Sunday’s maiden launch of SpaceX’s next generation rocket, speculation began among satellite trackers that the upper stage of the Falcon 9 v1.1. rocket may have exploded. But SpaceX issued a statement today that their data indicates no such explosion occurred, and that insulation may have come off the second stage, creating extra objects.

Meanwhile, SpaceX CEO Elon Musk confirmed via Twitter that reports of a “fuzzy” UFO over South Africa following the launch came from liquid oxygen released by the Falcon 9 rocket’s second stage.


In the September 29 launch from Vandenberg Air Force Base in California, SpaceX successfully launched and deployed the Canadian Space Agency’s CASSIOPE weather satellite (Cascade, Smallsat, and Ionospheric Polar Explorer) and six additional small satellites.

SpaceTrack was tracking 20 objects from the launch, but only fourteen should have been in orbit (CASSIOPE, 6 small sats, 4 spacers from the POPACS satellite trio, the second stage and two fairings) leaving ssix objects unaccounted for.

“Regarding the rumors you may have heard about the Falcon 9 second stage, in short, our data confirms there was no rupture of any kind on the second stage,” SpaceX spokeswoman Emily Shanklin wrote in an email on October 1.

SpaceX gave this account of what likely happened after launch:

Following separation of the satellites to their correct orbit, the Falcon 9 second stage underwent a controlled venting of propellants (fuel and pressure were released from the tank) and the stage was successfully safed. During this process, it is possible insulation came off the fuel dome on the second stage and is the source of what some observers incorrectly interpreted as a rupture in the second stage. This material would be in several pieces and be reflective in the Space Track radar. It is also possible the debris came from the student satellite separation mechanisms onboard.

The new, more powerful version of the Falcon 9 is powered by a cluster of nine of the new Merlin 1D engines that are about 50% more powerful compared to the standard Merlin 1C engines and can therefore boost a much heavier cargo load to the ISS and beyond. The Falcon 9 v.1.1 is taller than a standard Falcon 9: about 22 stories high vs. 13.

Musk told reporters at a post-launch news conference that they attempted to reignite the upper stage after payload separation for demonstrating the capability of putting satellites into a geostationary transfer orbit. However, the reignition sequence was aborted after a problem was detected.

Several images and videos were posted online of a UFO seen over South Africa, Madagascar, Botswana, and Malawi. But it was quickly determined to be a cloud of rocket propellant surrounding the spent Falcon 9 upper stage.

SpaceX said they will continue to review their data to help identify the source of the extra debris.

Doubly Historic Day for Private Space: Cygnus docks at Station & Next Gen Falcon 9 Soars

The Cygnus cargo spacecraft is just a few feet away from the International Space Station's Canadarm2 during rendezvous and berthing on Sept 29, 2013. Credit: NASA

The Cygnus cargo spacecraft is just a few feet away from the International Space Station’s Canadarm2 during rendezvous and berthing on Sept 29, 2013. Credit: NASA
Updated – See Falcon 9 launch video below[/caption]

Today (Sept. 29) was a doubly historic day for private spaceflight! And a boon to NASA as well!

Early this morning the Orbital Sciences Cygnus commercial cargo ship docked at the International Space Station (ISS) speeding along some 250 miles (400 km) overhead in low Earth orbit.

Barely a few hours later the Next Generation commercial SpaceX Falcon 9 rocket soared to space on a demonstration test flight from the California coast carrying a Canadian satellite to an elliptical earth orbit.

These missions involved the dramatic maiden flights for both Cygnus and the upgraded Falcon 9.

And both were high stakes endeavors, with literally billions of dollars and the future of commercial spaceflight, as well as the ISS, on the line. Their significance cannot be overstated!

Falcon 9 lifts off from SpaceX’s pad at Vandenberg on Sept 29, 2013, carrying Canada's CASSIOPE satellite to orbit. Credit: SpaceX
Falcon 9 lifts off from SpaceX’s pad at Vandenberg on Sept 29, 2013, carrying Canada’s CASSIOPE satellite to orbit. Credit: SpaceX

Both Cygnus and Falcon 9 were developed with seed money from NASA in a pair of public-private partnerships between NASA and Orbital Sciences and SpaceX under NASA’s COTS commercial transportation initiative aimed at fostering the development of America’s private space industry to deliver critical and essential supplies to the ISS.

The powerful new Falcon 9 will also be used to send cargo to the ISS.

America completely lost its capability to send humans and cargo to the ISS when NASA’s space shuttles were retired in 2011. Orbital Sciences and SpaceX were awarded NASA contracts worth over $3 Billion to restore the unmanned cargo resupply capability over 20 flights totally.

The Cygnus spacecraft put on a spectacular space ballet – and was no worse for the wear after its docking was delayed a week due to an easily fixed communications glitch.

The Cygnus commercial resupply craft is installed by the Canadarm2 to the Harmony node. Credit: NASA TV
The Cygnus commercial resupply craft is installed by the Canadarm2 to the Harmony node.
Credit: NASA TV

Cygnus is a privately developed resupply vessel built by Orbital Sciences Corp and Thales Alenia Space that is a crucial railroad to orbit for keeping the massive orbital lab complex well stocked with everyday essentials and science experiments that are the purpose of the ISS.

Cygnus was grappled in free drift by Expedition 37 space station astronauts Luca Parmitano and Karen Nyberg at about 7 a.m. EDT Sunday morning.

The pair were working at two robotics work stations from inside the Cupola and Destiny modules. They used the stations 57 foot long Canadarm2 to snare Cygnus at a distance of about 30 feet (10 meters). They gradually motioned the arm closer.

Running a bit ahead of schedule they successfully berthed Cygnus at the earth facing port of the Harmony module by about 8:44 a.m. EDT.

Cygnus was launched to orbit on its inaugural flight on Sept. 18 atop Orbital’s commercial Antares rocket from NASA’s Wallops Flight Facility on the Eastern shore of Virginia.

Sept. 22 had been the initially targeted station docking date for this demonstration mission.

Hatches to Cygnus will be opened on Monday, Sept. 30 after completing leak checks.

“Today, with the successful berthing of the Orbital Sciences Cygnus cargo module to the ISS, we have expanded America’s capability for reliably transporting cargo to low-Earth orbit, “ said NASA Admisistrator Charles Bolden in a statement.

“It is an historic milestone as this second commercial partner’s demonstration mission reaches the ISS, and I congratulate Orbital Sciences and the NASA team that worked alongside them to make it happen.”

“Orbital joins SpaceX in fulfilling the promise of American innovation to maintain America’s leadership in space. As commercial partners demonstrate their new systems for reaching the Station, we at NASA continue to focus on the technologies to reach an asteroid and Mars,” said Bolden.

Cygnus delivers about 1,300 pounds (589 kilograms) of cargo, including food, clothing, water, science experiments, spare parts and gear to the Expedition 37 crew.

The upgraded SpaceX Falcon 9 blasted off from Space Launch Complex 4 at Vandenberg Air Force Base in California at 9 a.m. PDT (12 p.m. EDT).

Here’s a video of the launch:

It successfully deployed Canada’s 1,060 pound (481 kg) Cascade, Smallsat, and Ionospheric Polar Explorer (CASSIOPE) weather satellite and several additional small satellites.

This powerful new version of the Falcon 9 dubbed v1.1 is powered by a cluster of nine of the new Merlin 1D engines that are about 50% more powerful compared to the standard Merlin 1C engines and can therefore boost a much heavier cargo load to the ISS and beyond.

The next generation Falcon 9 is a monster. It’s much taller than a standard Falcon 9 – some 22 stories vs. 13.

It could launch from Cape Canaveral as early as this Fall.

Ken Kremer

…………….

Learn more about Cygnus, Antares, SpaceX, Curiosity, Mars rovers, MAVEN, Orion, LADEE and more at Ken’s upcoming presentations

Oct 3: “Curiosity, MAVEN and the Search for Life on Mars – (3-D)”, STAR Astronomy Club, Brookdale Community College & Monmouth Museum, Lincroft, NJ, 8 PM

Oct 8: NASA’s Historic LADEE Lunar & Antares/Cygnus ISS Rocket Launches from Virginia”; Princeton University, Amateur Astronomers Assoc of Princeton (AAAP), Princeton, NJ, 8 PM

Antares rocket lifts off at 10:58 a.m. EDT Sept 18 with commercial Cygnus cargo resupply ship bound for the International Space Station (ISS) from Mid-Atlantic Regional Spaceport Pad-0A at NASA’s Wallops Flight Facility in Virginia.  Credit: Ken Kremer (kenkremer.com)
Antares rocket lifts off at 10:58 a.m. EDT Sept 18 with commercial Cygnus cargo resupply ship bound for the International Space Station (ISS) from Mid-Atlantic Regional Spaceport Pad-0A at NASA’s Wallops Flight Facility in Virginia. Credit: Ken Kremer (kenkremer.com)
Antares and Cygnus streak to space and the ISS from NASA Wallops on Sept. 18, 2013.  Credit: Ken Kremer (kenkremer.com)
Antares and Cygnus streak to space and the ISS from NASA Wallops on Sept. 18, 2013. Credit: Ken Kremer (kenkremer.com)

Elon Musk Creates Rocket Parts With the Wave of a Hand

SpaceX SuperDraco inconel rocket chamber w regen cooling jacket emerges from EOS 3D metal printer. Via Elon Musk on Twitter.

We knew SpaceX CEO Elon Musk was powerful, but now he’s gone all Ironman on us. Last week on Twitter he posted a teaser, saying, “Will post video of designing a rocket part with hand gestures & immediately printing in titanium.”

And now, here it is.

“I believe we’re on the verge of a major breakthrough in design and manufacturing,” says Musk in the video, “in being able to take a concept of something from your mind and translate into a 3-D object intuitively on the computer, then make that virtual 3-D object real just by printing it. It’s going to revolutionize manufacturing and design in the 21st century.”

See a montage of images of a SuperDraco rocket part made of Inconel-X, an austenitic nickel-chromium-based superalloy, emerge from a 3-D printer:

Musk and his design team have been working on using natural gesture-based interaction with a computer-aided design program called Leap Motion, allowing designers to work quickly to create parts, and then equally as quick, use 3-D printing in a metal superalloy to create the part.

Very cool.

SpaceX Grasshopper Performs Divert Maneuver

The SpaceX Grasshopper during its test flight on March 7, 2013. Credit: SpaceX.

SpaceX proved yesterday that their Grasshopper prototype Vertical Takeoff Vertical Landing (VTVL) vehicle can do more than just go straight up and down. The goal of the test, said SpaceX CEO Elon Musk on Twitter was, “hard lateral deviation, stabilize & hover, rapid descent back to pad.”

On August 13th, the Grasshopper did just that, completing a divert test, flying to a 250-meter altitude with a 100-meter lateral maneuver before returning to the center of the pad. SpaceX said the test demonstrated the vehicle’s ability to perform more aggressive steering maneuvers than have been attempted in previous flights.

While most rockets are designed to burn up in the atmosphere during reentry, SpaceX is looking to make their next generation of Falcon 9 rocket be able to return to the launch pad for a vertical landing.

This isn’t easy. The 10-story Grasshopper provides a challenge in controlling the structure. The Falcon 9 with a Dragon spacecraft is 48.1 meters (157 feet) tall, which equates to about 14 stories high. SpaceX said diverts like this are an important part of the trajectory in order to land the rocket precisely back at the launch site after reentering from space at hypersonic velocity.

Also on Twitter this morning, NASA’s Jon Cowert (who is now working with the Commercial Crew program) provided a look back at NASA’s foray into VTVL vehicles with the Delta Clipper Experimental vehicle,(DC-X). The video below is from July 7, 1995, and the Delta Clipper was billed as the world’s first fully reusable rocket vehicle. This eighth test flight proved that the vehicle could turn over into a re-entry profile and re-orient itself for landing. This flight took place at the White Sands Missile Range in southern New Mexico.

But after some problems (fires and the spacecraft actually fell over when a landing strut didn’t extend) NASA decided to try and focus on the X-33 VentureStar, which would land like an airplane…. and that didn’t work out very well either.

But that’s another story.

Spacesuited Astronauts Climb Aboard Boeing CST-100 Commercial Crew Capsule for Key Tests

NASA astronaut Randy Bresnik prepares to enter the CST-100 spacecraft, which was built inside The Boeing Company's Houston Product Support Center. Credit: NASA/Robert Markowitz

A pair of NASA astronauts donned their spacesuits for key fit check evaluations inside a test version of the Boeing Company’s CST-100 commercial ‘space taxi’ which was unveiled this week for the world’s first glimpse of the cabin’s interior.

Boeing is among a trio of American aerospace firms, including SpaceX and Sierra Nevada Corp, seeking to restore America’s capability to fly humans to Earth orbit and the space station using seed money from NASA’s Commercial Crew Program (CCP).

Astronauts Serena Aunon and Randy Bresnik conducted a day long series of technical evaluations inside a fully outfitted, full scale mock up of the CST-100, while wearing NASA’s iconic orange launch-and-entry flight suits from the space shuttle era.

During the tests, Boeing technicians monitored the astronauts ergonomic ability to work in the seats and move around during hands on use of the capsules equipment, display consoles and storage compartments.

The purpose of the testing at Boeing’s Houston Product Support Center is to see what works well and what needs modifications before fixing the final capsule design for construction.

“It’s an upgrade,” said astronaut Serena Aunon at the evaluation. “It is an American vehicle, of course it is an upgrade.”

This is an interior view of The Boeing Company's CST-100 spacecraft, which features LED lighting and tablet technology.  Image Credit: NASA/Robert Markowitz
This is an interior view of The Boeing Company’s CST-100 spacecraft, which features LED lighting and tablet technology.
Image Credit: NASA/Robert Markowitz

Former NASA Astronaut Chris Ferguson, the commander of the final shuttle flight (STS-135) by Atlantis, is leading Boeing’s test effort as the director of Boeing’s Crew and Mission Operations.

“These are our customers. They’re the ones who will take our spacecraft into flight, and if we’re not building it the way they want it we’re doing something wrong,” said Ferguson.

“We’ll probably make one more go-around and make sure that everything is just the way they like it.”

The CST-100 is designed to carry a crew of up to 7 astronauts, or a mix of cargo and crew, on missions to low-Earth orbit (LEO) and the International Space Station (ISS) around the middle of this decade.

Although it resembles Boeing’s Apollo-era capsules from the outside, the interior employs state of the art modern technology including sky blue LED lighting and tablet technology.

Check out this video showing the astronauts and engineers during the CST-100 testing

Nevertheless Boeing’s design goal is to keep the flight technology as simple as possible.

“What you’re not going to find is 1,100 or 1,600 switches,” said Ferguson. “When these guys go up in this, they’re primary mission is not to fly this spacecraft, they’re primary mission is to go to the space station for six months. So we don’t want to burden them with an inordinate amount of training to fly this vehicle. We want it to be intuitive.”

The CST-100 crew transporter will fly to orbit atop the venerable Atlas V rocket built by United Launch Alliance (ULA) from Launch Complex 41 on Cape Canaveral Air Force Station in Florida.

The CST-100 crew capsule awaits liftoff aboard an Atlas V launch vehicle at Cape Canaveral in this artist’s concept. Credit: Boeing
The CST-100 crew capsule awaits liftoff aboard an Atlas V launch vehicle at Cape Canaveral in this artist’s concept. Credit: Boeing

Boeing is aiming for an initial three day manned orbital test flight of the CST-100 during 2016, says John Mulholland, Boeing vice president and program manger for Commercial Programs.

The 1st docking mission to the ISS would follow in 2017 – depending on the very uncertain funding that Congress approves for NASA.

The Atlas V was also chosen to launch one of Boeing’s commercial crew competitors, namely the Dream Chaser mini shuttle built by Sierra Nevada Corp.

Boeing CST-100 capsule mock-up, interior view. Credit: Ken Kremer – kenkremer.com
Boeing CST-100 capsule early mock-up, interior view. Credit: Ken Kremer – kenkremer.com

NASA’s CCP program is fostering the development of the CST-100 as well as the SpaceX Dragon and Sierra Nevada Dream Chaser to replace America’s capability to launch humans to space that was lost following the retirement of NASA’s space shuttle orbiters two years ago in July 2011.

Since 2011, every American astronaut has been 100% dependent on the Russians and their Soyuz capsule to hitch a ride to the ISS.

“We pay one of our [ISS] partners, the Russians, $71 million a seat to fly,” says Ed Mango, CCP’s program manager. “What we want to do is give that to an American company to fly our crews into space.”

Simultaneously NASA and its industry partners are designing and building the Orion crew capsule and SLS heavy lift booster to send humans to the Moon and deep space destinations including Near Earth Asteroids and Mars.

Ken Kremer

Interior view of Boeing CST-100 commercial crew capsule. Credit: NASA
Interior view of Boeing CST-100 commercial crew capsule. Credit: NASA

Sierra Nevada Dream Chaser Gets Wings and Tail, Starts Ground Testing

Sierra Nevada Corporation's Dream Chaser successfully rolls through two tow tests at NASA's Dryden Flight Research Center in California in preparation for future flight testing

Sierra Nevada Corporation’s Dream Chaser successfully rolls through two tow tests at NASA’s Dryden Flight Research Center in California in preparation for future flight testing later this year.
Watch way cool Dream Chaser assembly video below![/caption]

Sierra Nevada Corporation’s winged Dream Chaser engineering test article is moving forward with a series of ground tests at NASA’s Dryden Flight Research Center in California that will soon lead to dramatic aerial flight tests throughout 2013.

Pathfinding tow tests on Dryden’s concrete runway aim to validate the performance of the vehicles’ nose skid, brakes, tires and other systems to prove that it can safely land an astronaut crew after surviving the searing re-entry from Earth orbit.

The Dream Chaser is one of the three types of private sector ‘space taxis’ being developed with NASA seed money to restore America’s capability to blast humans to Earth orbit from American soil – a capability which was totally lost following the forced shutdown of NASA’s Space Shuttle program in 2011.

Dream Chaser commercial crew vehicle built by Sierra Nevada Corp docks at ISS
Dream Chaser commercial crew vehicle built by Sierra Nevada Corp docks at ISS

For the initial ground tests, the engineering test article was pulled by a tow truck at 10 and 20 MPH. Later this month tow speeds will be ramped up to 40 to 60 MPH.

Final assembly of the Dream Chaser test vehicle was completed at Dryden with installation of the wings and tail, following shipment from SNC’s Space Systems headquarters in Louisville, Colo.

Watch this exciting minute-long, time-lapse video showing attachment of the wings and tail:

In the next phase later this year, Sierra Nevada will conduct airborne captive carry tests using an Erickson Skycrane helicopter.

Atmospheric drop tests of the engineering test article in an autonomous free flight mode for Approach and Landing Tests (ALT) will follow to check the aerodynamic handling.

The engineering test article is a full sized vehicle.

Dream Chaser is a reusable mini shuttle that launches from the Florida Space Coast atop a United Launch Alliance Atlas V rocket and lands on the shuttle landing facility (SLF) runway at the Kennedy Space Center, like the Space Shuttle.

“It’s not outfitted for orbital flight. It is outfitted for atmospheric flight tests,” said Marc Sirangelo, Sierra Nevada Corp. vice president and SNC Space Systems chairman, to Universe Today.

“The best analogy is it’s very similar to what NASA did in the shuttle program with the Enterprise, creating a vehicle that would allow it to do significant flights whose design then would filter into the final vehicle for orbital flight,” Sirangelo told me.

NASA’s Dryden Flight Research Center welcomes SNC’s Dream Chaser shrink wrapped engineering test article for a flight test program in collaboration with NASA’s Commercial Crew Program this summer. Winds and tail were soon joined and ground testing has now begun. Credit: NASA/Tom Tschida Read more: http://www.universetoday.com/102020/sierra-nevada-dream-chaser-gets-wings-and-tail-starts-ground-testing/#ixzz2Yw1peNRJ
NASA’s Dryden Flight Research Center welcomes SNC’s Dream Chaser shrink wrapped engineering test article for a flight test program in collaboration with NASA’s Commercial Crew Program this summer. Winds and tail were soon joined and ground testing has now begun. Credit: NASA/Tom Tschida

Sierra Nevada Corp, along with Boeing and SpaceX are working with NASA in a public-private partnership using a combination of NASA seed money and company funds.

Each company was awarded contracts under NASA’s Commercial Crew Integrated Capability Initiative, or CCiCap, program, the third in a series of contracts aimed at kick starting the development of the private sector ‘space taxis’ to fly US and partner astronauts to and from low Earth orbit (LEO) and the International Space Station (ISS).

“We are the emotional successors to the shuttle,” says Sirangelo. “Our target was to repatriate that industry back to the United States, and that’s what we’re doing.”

The combined value of NASA’s Phase 1 CCiCap contracts is about $1.1 Billion and runs through March 2014.

Phase 2 contract awards will eventually lead to actual flight units after a down selection to one or more of the companies.

Everything depends on NASA’s approved budget, which seems headed for steep cuts in excess of a billion dollars if the Republican dominated US House has its way.

Dream Chaser awaits launch atop Atlas V rocket
Dream Chaser awaits launch atop Atlas V rocket

The Commercial Crew program’s goal is to ensure the nation has safe, reliable and affordable crew transportation systems to space.

“Unique public-private partnerships like the one between NASA and Sierra Nevada Corporation are creating an industry capable of building the next generation of rockets and spacecraft that will carry U.S. astronauts to the scientific proving ground of low-Earth orbit,” said William Gerstenmaier, NASA’s associate administrator for human exploration and operations in Washington, in a statement.

“NASA centers around the country paved the way for 50 years of American human spaceflight, and they’re actively working with our partners to test innovative commercial space systems that will continue to ensure American leadership in exploration and discovery.”

All three commercial vehicles – the Boeing CST-100; SpaceX Dragon and Sierra Nevada Dream Chaser – are designed to carry a crew of up to 7 astronauts and remain docked at the ISS for more than 6 months.

The first orbital flight test of the Dream Chaser is not expected before 2016 and could be further delayed if NASA’s commercial crew budget is again slashed by the Congress – as was done the past few years.

In the meantime, US astronauts are totally dependent on Russia’s Soyuz capsule for rides to the ISS. NASA must pay Russia upwards of $70 million per seat until the space taxis are ready for liftoff – perhaps in 2017.

“We have got to get Commercial Crew funded, or we’re going to be paying the Russians forever,” said NASA Administrator Charles Bolden at Dryden. “Without Commercial Crew, we probably won’t have exploration.”

Concurrently, NASA is developing the Orion Crew capsule for missions to the Moon, Asteroids and beyond to Mars and other destinations in our Solar System -details here.

Ken Kremer

Scale models of NASA’s Commercial Crew program vehicles and launchers; Boeing CST-100, Sierra Nevada Dream Chaser, SpaceX Dragon. Credit: Ken Kremer/kenkremer.com
Scale models of NASA’s Commercial Crew program vehicles and launchers; Boeing CST-100, Sierra Nevada Dream Chaser, SpaceX Dragon.
Credit: Ken Kremer/kenkremer.com
Sierra Nevada Corp.'s Dream Chaser spacecraft landing on a traditional runway. Dream Chaser is being developed in collaboration with NASA's Commercial Crew Program during the Commercial Crew Integrated Capability initiative (CCiCAP).  Credit: Sierra Nevada Corp.
Sierra Nevada Corp.’s Dream Chaser spacecraft landing on a traditional runway. Dream Chaser is being developed in collaboration with NASA’s Commercial Crew Program during the Commercial Crew Integrated Capability initiative (CCiCAP). Credit: Sierra Nevada Corp.

SpaceX Fires Up Falcon 9-R in a Long Duration Test

Falcon 9-R 112-second test fire. Via SpaceX/YouTube.

Last week, SpaceX fired up a new version of the Falcon 9 for a short 10-second test fire. Now, they’ve completed a long-duration fire, lasting 112 seconds. The test was of the first stage of the F9-R, an advanced prototype for the world’s first reusable rocket. The test took place at SpaceX’s rocket development facility in McGregor, Texas. SpaceX noted that unlike airplanes, a rocket’s thrust increases with altitude, and the F9-R generates just over a million pounds of thrust at sea level (“enough to lift skyscraper,” SpaceX CEO Elon Musk said via Twitter) but gets up to 1.5 million pounds of thrust in the vacuum of space.

The rocket engines used on the test is the same as what’s used on the Grasshopper, which is the 10-story Vertical Takeoff Vertical Landing (VTVL) vehicle that SpaceX has designed to test the technologies needed to return a rocket back to Earth intact. While the Grasshopper uses just one Merlin 1D engine, the Falcon 9-R uses nine.

SpaceX hasn’t posted any details about the 9-R on their website, but they have said the Merlin 1-D’s 150:1 thrust-to-weight ratio would be the highest ever achieved for a rocket engine.