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Blue Origin's huge updates on the BE-4 engine but a disaster to compare with SpaceX Raptor 2

5 Views· 04 Jul 2022
John Baker
John Baker
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Blue Origin's huge updates on the BE 4 engine but a disaster to compare with SpaceX Raptor 2
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Blue Origin's huge updates on the BE 4 engine but a disaster to compare with SpaceX Raptor 2

In recent years, Blue Origin is absolutely spiraling down to the bottom.
While SpaceX seems to be constantly innovating and pushing forward with new technology every year, a lot of people can’t help but think that Blue Origin is putting in more effort than they're getting out of the results.
To save the company, Jeff Bezos stepped down as the CEO of Amazon and focused more on Blue Origin.
So, is the company making any progress now?
What exactly is Blue Origin doing?
Let's expose everything about this in today's episode of Alpha Tech:
Blue Origin's huge updates on the BE 4 engine but a disaster to compare with SpaceX Raptor 2
Blue Origin has been working on the BE-4 engine for quite a while now. This process has had its ups and downs.
Over these past few years, delays had been accruing in the program, including turbopump problems, combustion instability, overheating, and a shorter than planned engine life, just to name a few. In addition, company management issues in the past left insufficient hardware to build development engines, leading to extended periods where no testing could be done. These among other issues have continued to delay the completion and release of these next-generation rocket engines. However, recently it seems the company has been making better strides with the engines.
Blue Origin's huge updates on the BE 4 engine but a disaster to compare with SpaceX Raptor 2
On Jun 22, Blue Origin shared shots of its BE-4 rocket engine in an important test phase. Amazon and Blue Origin founder Jeff Bezos is awaiting engine readiness before his company’s New Glenn rocket can take flight, and United Launch Alliance CEO Tory Bruno needs BE-4 engines for its Vulcan Centaur system.
Blue Origin's huge updates on the BE 4 engine but a disaster to compare with SpaceX Raptor 2
“For the first time, our Huntsville engines team has installed a BE-4 engine into Blue Origin’s refurbished and historic MSFC Test Stand 4670 preparing for commissioning tests,” the company said today. Alabama is not only home to NASA’s Marshall Space Flight Center but also Blue Origin’s engine production facility.
Blue Origin's huge updates on the BE 4 engine but a disaster to compare with SpaceX Raptor 2
Blue Origin agreed to modernize NASA’s MSFC Test Stand 4670 seen in today’s images three years ago for BE-3U and BE-4 rocket engine testing. The 300-foot tall vertical firing stand was built and used in 1965 for Saturn V testing during the Apollo program, but it went offline in 1998 after being used for the Shuttle program.

In fact, this is not the first time Blue Origin shows off BE-4 engine progress.
Blue Origin's huge updates on the BE 4 engine but a disaster to compare with SpaceX Raptor 2
One such video was shared in May this year that showed the BE-4 firing up in all its glory. The engine ran for more than a minute as it was able to sustain its performance for some of the flight time required to leave the Earth's atmosphere.

The video also provides a glimpse of the engine from its nozzle as it lights up. The nozzle is the region of a rocket engine that controls its thrust's interaction with the surrounding atmosphere. Looking 'up' from the nozzle one can spot the engine's injector plate that is above its combustion chamber. In this chamber, the engine's fuel, LNG, and Liquid Oxygen in the case of the BE-4 are combined and lit up to generate thrust.
Blue Origin's huge updates on the BE 4 engine but a disaster to compare with SpaceX Raptor 2
While the video is of low quality, the plate is visible and it shows the moment both the LNG and Oxygen enter the chamber. Sharing high-quality images of injector plates of newer engines are forbidden by U.S. law, so Blue Origin can only share low-quality videos at best.
Blue Origin's huge updates on the BE 4 engine but a disaster to compare with SpaceX Raptor 2

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