Questions tagged [hllv]
Questions about Heavy Lift Launch Vehicles (HLLV) that are capable of lifting payloads of between 20 to 50 metric tons to Low-Earth Orbit (LEO).
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questions
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0answers
43 views
US DoD's need for a heavy lift vehicle, leading to Saturn I
I read that von Braun & his team at ABMA had started to work upon a big rocket in April / May 1957, which was to have a thrust of 1500000 lbf (1.5 Mi. lbf). It is said that Saturn I was started to ...
30
votes
1answer
5k views
Could a Falcon Heavy really put six GPS Block III satellites in orbit at the same time?
This answer says:
GPS Block III satellites are being launched to replace failed or aging Block II satellites, which doesn't require launching more than one at a time. A Falcon Heavy could fill up ...
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votes
0answers
50 views
Launch Vehicle LM2D
As it is well known, the circularization of orbits needs at least 3 stages.
How could the Chinese launch vehicle LM2D circularizes its orbit with only 2 stages?
6
votes
2answers
302 views
Did the N-1 have future plans, like the Apollo Applications Program?
The Saturn-V booster was only really used for two types of missions.
Lunar
Skylab
(ASTP used a Saturn-1B booster)
That is, heavy lift to lunar orbit, and heavy lift with a space craft.
There ...
3
votes
3answers
116 views
What uncrewed interplanetary exploration probes have launched on heavy/superheavy-lift vehicles?
What uncrewed interplanetary probes have launched on heavy/superheavy-lift rockets? I'm using NASA's definitions of heavy and super-heavy vehicles; heavy-lift is 20-50 metric tons to LEO, super-heavy ...
6
votes
0answers
249 views
Couldn't the shuttle orbiter be replaced with a cargo bay, instead of creating the SLS?
Are there any technical reasons for not simply continuing the space shuttle production, except for replacing the orbiter with a pretty simple cargo bay (a payload fairing)? Like the Russians planned ...
2
votes
1answer
203 views
What are the tradeoffs of docking multiple small launches in orbit vs a single heavy launch?
What are the benefits of having a heavy lift launch vehicle, compared to using several smaller launches and assemble the spacecraft in orbit?
There must've been more than a hundred successful ...
13
votes
2answers
1k views
What eventually killed the Augustine Commission Report Option 4B, Directly Shuttle-Derived Heavy-Lift Launch Vehicle, a.k.a. DIRECT?
Before the Space Shuttle retirement, there was a huge pressure on NASA, U.S. Administration, and everyone else directly involved in U.S. human space exploration using Heavy-Lift Launch Vehicle (HLLV) ...
14
votes
3answers
753 views
What's the advantage of using an SLS system rather than a number of small lift rockets?
I just read this article, in which former director Kraft is described as deriding NASA's current plan to use a single heavy-lift vehicle (Space Launch System, or SLS) as a primary launch platform. Why ...
28
votes
4answers
3k views
What will be NASA's successor to the Saturn V rocket?
The Saturn V rockets were the "tallest, heaviest, and most powerful rocket ever brought to operational status and still holds the record for heaviest payload launched and heaviest payload capacity to ...
