New Glenn Update
Mood
informative
Sentiment
positive
Category
tech_discussion
Key topics
New Glenn
Blue Origin
Space Exploration
Rocket Engines
Discussion Activity
Very active discussionFirst comment
25m
Peak period
63
Day 1
Avg / period
63
Based on 63 loaded comments
Key moments
- 01Story posted
Nov 20, 2025 at 4:21 PM EST
3d ago
Step 01 - 02First comment
Nov 20, 2025 at 4:46 PM EST
25m after posting
Step 02 - 03Peak activity
63 comments in Day 1
Hottest window of the conversation
Step 03 - 04Latest activity
Nov 20, 2025 at 11:29 PM EST
3d ago
Step 04
Generating AI Summary...
Analyzing up to 500 comments to identify key contributors and discussion patterns
I wonder how they'll be implementing that since SpaceX gave up on recapturing fairings (seemingly too soon, but only from the POV of someone with no internal info).
> SpaceX performs some amount of cleaning and refurbishing before using the previously flown fairings on a subsequent flight. SpaceX has reflown fairing halves more than 300 times, with one being reflown for 34 times.
They gave up on catching them in nets, because it turns out they're fine splashing directly into the water.
https://en.wikipedia.org/wiki/Blue_Moon_Pathfinder_Mission_1
I don't need a YT influencer to know my NASA history. I'm old enough it was taught in school while young enough to not have lived through any of it.
FYI, that talk was poorly received in the aerospace community.
Destin missed that the entire point of Artemis is not to one and done the Moon again but build towards getting to Mars. And the repeated "we're going, right?" shtick was condescending in the same way Hegseth wanting generals to cheer and holler for him was.
He acted like a petulant influencer. Not a science communicator.
Either way, your criticism of Destin's presentation hits. One and done'ing the Moon is not particularly helpful in setting up a sustainable cislunar economy.
In 2017 Space Policy Directive 1 amended the national space policy to pursue "the return of humans to the Moon for long-term exploration and utilization, followed by human missions to Mars and other destinations" [1]. This formally established the Artemis program [2].
Destin's criticisms were apt for Constellation [3], which was closer to an Apollo reboot. They were uninformed for Artemis.
[1] https://trumpwhitehouse.archives.gov/presidential-actions/pr...
Nevertheless, it's hard to imagine any kind of sustainability when each launch costs north of $2 Billion and nearly all hardware is thrown away each time. In that sense, his criticism was very valid, even if tough to hear.
I said aerospace community. Not NASA. Plenty of people hate Artemis. Most people hate SLS. But they hate it for good reason. Destin touched on some of that. But because he missed Artemis's purpose, he bungled that criticism too.
I like Destin. But he missed the mark pretty badly on that video, and I judge him for now following up with clarification.
NASA doesn't build rockets. ULA (Lockheed Martin + Boeing), Northrup Grumman, Aerojet Rocketdyne, etc. do. That's what I took "aerospace community" to mean. The community of people working in aerospace. Artemis has shifted focus several times now, since before it was called "Artemis" as each political administration has emphasized different goals, and as mission planning has evolved with hardware development. Over the years I have read everything from an abstract Moon-to-Mars testbed, a 5 year deadline crash program to land "the first woman and the next man" at the lunar south pole, a sustained lunar presence, the "first woman and first person of color" on the moon, safety science and Mars prep, and latest a de-scoping of the cis-lunar gateway station and shift toward private industry. Such things are difficult to avoid under constantly changing leadership.
Given that, I don't see any problem with the way Dustin presented the situation, nor do I feel any kind of need for an apology or clarification.
The factory tours for the two show this difference. New Glenn production is a lot more classical aerospace in terms of a high tech cleanroom factory being built from the start, versus a rocket that started out being built in tents that is slowly guiding the factory design as the tolerances are sorted out.
I think Blue's philosophy is pretty similar to the old space giants, except for being willing to invest a ton of money into improvements and new technologies without waiting around for the government to give them a blank check first.
Maybe we'll find that the thing limiting aerospace progress wasn't even that old space was afraid to test, but rather that they were simply unwilling to progress on their own initiative.
The third flight of the Saturn V took 3 astronauts in their spacecraft to lunar orbit and back.
News at 10
Additionally, the New Glenn fairings are very large for their weight capacity. New Glenn has 3x the fairing volume compared to the Falcon Heavy, but can throw less mass. So many expected that BO designed it this way because they expected to increase performance of their engines in the future, making the weight/volume ratio of their fairing more balanced.
New Glenn has 45t of capacity now. Increasing thrust by 15% should increase that to 51t, thus making New Glenn 7x2 also just barely a Super Heavy booster. Perhaps they didn't call that out because that would overshadow the 9x4 announcement.
To be fair, the Falcon Heavy has way too little fairing volume for it's lift capacity (and apparently it is in the process of getting an extra 50% or so?)
The small size of the Falcon Heavy fairing is probably due to the fact that they are the same size as the Falcon fairing, and it was designed when Falcon could throw < 1/2 the mass it can currently throw, let alone the Falcon Heavy.
BE-4 is 140 bar chamber pressure vs SpaceX Raptor 2 at 350 bar. Thrust to weight of BE-4 is 80:1 vs Raptor2 at 140:1.
I don't think the capabilities are as different as those numbers imply. I believe that it's due to the conservativeness of Blue Origin and SpaceX's willingness to blow up hundreds of engines on the test stand to iteratively push the margins.
BE-4's chamber pressure is low for its design, but it would be very difficult to increase it to Raptor's levels. Full-flow staged combustion causes the propellants to be gasses when they enter the combustion chamber, and chemical reactions in gasses happen more quickly, allowing for efficient combustion in a smaller combustion chamber. The smaller volume makes it easier to contain higher pressures.
Increasing thrust by 15% doesn't just increase payload by 15%. I don't know a simpler way to estimate this than to run a simulation, and I don't have one with numbers I can toggle.
Blue Origin is matching from Raptor 2 to Raptor 3. Comparing thrust at sea level, lbf:
Raptor 2 | 507,000 [1]
Raptor 3 | 617,000 [1]
BE-4 | 557,143
BE-4' | 642,857
BE-3U | 160,000
BE-3U' | 200,000
What does it mean?
On a funnier note, the 9 in Falcon 9 is the number of engines. So blue origin is somewhat picking up on their naming scheme. Or, by BO's scheme, it'd be the Falcon 9x1, or the Starship 33x6.
...and we'd be back to steam engine wheel formulas: https://en.wikipedia.org/wiki/Whyte_notation
It sounds as if they already have a long line of customers which have booked flights to all these destinations. (If they actually do, splendid!)
These expected and incremental updates (to a years late system that still needs to be proven) are putting the payload capacity in the Falcon Heavy range and there's roughly 1 Falcon Heavy launch per year.
There are over 100 Falcon 9 launches per year. Yes a bunch are Starlink so you can exclude those when estimating demand from external customers but the point remains that there isn't currently a commercial demand for bigger payloads and/or higher orbits than what Falcon 9 can do.
SpaceX has the same problem: Starship is a superheavy lifter where Falcon Heavy has little demand and Starship is even bigger. At least SpaceX has Starlink as induced demand. Blue Origin doesn't.
Defenders will argue the greater volume and payload weights will create new possibilities because payloads can only be designed for available launch systems but satellites don't really seem to be getting any bigger and there are only so many geosynchronous military payloadcs and interplanetary probes that need to be launched.
76 more comments available on Hacker News
Want the full context?
Jump to the original sources
Read the primary article or dive into the live Hacker News thread when you're ready.