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Questions tagged [landing-gear]

equipment used to bring a spacecraft safely to a stop on the surface of a body (which isn't another spacecraft).

6
votes
1answer
287 views

Do Falcon 9/Heavy Block 5 boosters need landing legs? Or can they land back on their launch mounts?

At 2017's International Astronautical Congress, Elon Musk claimed that SpaceX could master propulsive landing without landing legs. The assertion was that Falcon 9's ...
5
votes
1answer
248 views

Why use skids for landing gear on an orbiter?

Why does the Dream Chaser use a skid as the nose landing gear? Wouldn't this increase the risk of accidents or damage to the runway when landing on a paved runway?
19
votes
3answers
4k views

Why did the Apollo Lunar Module have four landing legs?

Why did the Apollo Lunar Module have four landing legs? Is not just three legs enough? Also, three legs guaranties they always form a plane, four does not, as the fourth leg may dangle. To have the ...
16
votes
5answers
4k views

Why is it even desirable for a spacecraft to land without a parachute?

In this SpaceX promotional video, they indicate their plans to land a crewed capsule without a parachute, using landing thrusters. I know that Soyuz does this too, though in combination with a landing ...
43
votes
2answers
14k views

Why don't the Space Shuttle's tires explode in the vacuum of space?

According to this NASA article the tires are inflated to 340 psi (main gear) and 300 psi (nose gear). At landing, there is significant strain, but what about in space? Are the tires exposed to vacuum ...
6
votes
2answers
219 views

Has there ever been done research on mechanical assisted landing and takeoff?

With this I mean using elastic energy to land and possibly reuse this energy at takeoff. So that the "spring" will remain in the compressed state between landing an takeoff by locking it in to place. ...