Questions tagged [blue-origin]

Blue Origin is a Jeff Bezos-founded private American aerospace manufacturer which is attempting to commercialize space tourism.

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3answers
186 views

Why does Blue Origin want to go to the moon?

Jeff Bezos's Blue Origin released their first moon lander, Blue Moon. Have Blue Origin published anything about their reasons for going to the moon?
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Will the New Glenn have grid fins? Why or why not?

The January 2019 Blue Origin video New Glenn: The Road to Space shows the rocket with static fins at the bottom and four articulated fins near the top of the first stage. Is this just notional, or ...
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How are New Shepard's tilting fins and gimbaling nozzle used together (or separately) to control the rocket?

In the beginning of the video Blue Origin New Shepard self-landing rocket launch with 38 research payloads (5/2/2019) the announcer mentions that both the tilting fins and the BE-3 engine nozzle ...
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Books on Vertical-Landing Vertical-Takeoff (VTVL) of Rockets? or Rocket Design in General?

I am working on a rocket control system design and I am trying to understand the the fundamental principles and concepts to design an efficient controller for recovering and landing the rocket, ...
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What is the restoring force that brings the Blue Origin capsule back from flipping (at first)?

In the early part of the recent Blue Origin video Replay of Mission 9 Webcast they show footage of an earlier test of the capsule's emergency escape solid rocket from October 2016. Currently seen ...
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Potential improvement to BFR or New Glenn if equipped with aerospike exhaust on their engines?

Aerospikes basically tackle the issue of the variability in required expansion ratio for a rocket engine to be efficient at a given altitude. A recent example though mired in legal issues is a small ...
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Why does Blue Origin “like landing on a moving ship”?

In the Blue Origin YouTube video Replay of New Shepard Mission 8 Livestream, at 32:53 when the narrator is discussing future plans for the landing of the New Glenn ...
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1answer
155 views

Will the New Shepard be able to sit for long holds when filled with passengers?

In the Blue Origin YouTube video Replay of New Shepard Mission 8 Livestream, the first of several hold starts at T- 03:00 when the video is at about ...
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Do Blue Origin's BE-3 engines need to run for 7 seconds to “warm up”?

In the Blue Origin YouTube video Replay of New Shepard Mission 8 Livestream, "command engine start" is heard at T- 00:03, an audible "pop" can be heard at about <...
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1answer
214 views

Could a shiny metallic fairing have some engineering advantage? Disadvantage?

It may just be a handy "material" in the rendering software used to make the images, but it shows up in multiple places. Could there be any possible engineering advantage of a fairing's outer finish ...
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1answer
451 views

Which launch system, New Glenn or Falcon 9, has received more government subsidies?

Which launch system, Blue Origin's New Glenn or SpaceX's Falcon 9, has received more government subsidies? By how much? Consider a subsidy to be a direct payment, a grant, a procurement where there ...
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Why does Blue Origin land the crew capsule separate from the booster?

New Shepard of Blue Origin separates the crew capsule from the booster. The crew capsule is in free fall for a while, then the parachutes open and finally the landing rockets give a brief impulse to ...
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Why does the BE-3 use hydrogen as fuel?

We've covered why the BE-4 uses methane as fuel; what I want to know is, why did Blue Origin go with hydrogen for the BE-3? Liquid hydrogen is notoriously hard to work with; it seems like an odd ...
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Why does the BE-4 use methane as fuel?

I understand the Mars ISRU reasoning for SpaceX's Raptor which is also going to be methalox based. But why would ULA, who is the prime customer for BE-4 besides Blue Origin itself, chose to support a ...
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How would vertical landing scale with size - does bigger = “easier” (actually)?

This Ars Technica article has two titles that seem to be a bit gratuitous: Why Bezos’ rocket is unprecedented — and worth taking seriously Why Blue Origin’s crazy big rocket might fly, and ...
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How will the BE-4 engine “Save taxpayer money”?

In this explanation of the Blue Origin BE-4 engine, the text says: LOWEST COST Blue Origin’s BE-4 requires NO taxpayer dollars. Fully funded The BE-4 is fully paid for by the private ...
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What is the cause of the blue light from LH2/LOX rocket engines?

Below are some screen shots from circa June 2016 launch (or re-launch) videos by Blue Origin (video link) and SpaceX (video link). The New Shepard burns $\text{H}_2$/$\text{O}_2$, while the Falcon 9 ...
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What happens to Blue Origin's New Shepard capsule if their one engine fails?

What are the plans for the New Shepard capsule if the engine fails near the start of its flight? Are there plans for any sort of ballistic escape like the SpaceX capsule?
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Difference between BlueOrigin and SpaceX rocket landings?

So, SpaceX has finally landed their booster back to the land. BlueOrigin has achieved the same thing in a recent past, but I have read so many people commenting and criticizing the comparison of ...
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1answer
551 views

Can we trust reusable rockets? [closed]

SpaceX and Blue Origin have demonstrated the feasibility of modern reusable rockets. Elon Musk claims that a reusable rocket is 100 times cheaper than a conventional one. The average success rate of ...
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Blue Origin's The New Shepard crew capsule's design

Generally first stage boosters are just tubes with tanks and engines attached to the later stages. However, based on this photo: Blue Origin has this tapered design of the crew capsule and a ring ...
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Why does the New Shepard vehicle not have an exhaust trench?

Watching the video of the first Blue Origin New Shepard vehicle launch, it takes off from ground level, and does not seem to have an exhaust trench: Most launchers ...