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Questions tagged [ldsd]

The Low-Density Supersonic Decelerator or LDSD is a reentry vehicle designed to test techniques for atmospheric entry on Mars.

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25
votes
2answers
2k views

How did the tangential thrusters for the 2014 LDSD test spin-up then spin-down so nicely?

I just watched the NASA JPL video of the 2014 test of the Low-Density Supersonic Decelerator (LDSD). Tangential thrusters are used to spin up the craft for stability before the main rocket ignites. ...
11
votes
1answer
261 views

What is NASA doing to improve the supersonic parachute for the third LDSD test?

Last month, on June 8, 2015, NASA ran the second Low-Density Supersonic Decelerator (LDSD) flight test off the island of Kauai, Hawaii. The inflatable decelerator portion of the test was successful, ...
5
votes
2answers
224 views

How far can the supersonic parachute in the LDSD system for Mars be placed from the entry capsule?

In this interview on NASA Edge Ian Clark, principle investigator for the Low Density Supersonic Decelerator, talked about the environment the parachute part of the system has to operate in: ...
4
votes
1answer
193 views

Modelling for the LDSD parachute - what are the issues with scale models and software simulations?

The LDSD1 parachute is too large to test in any current wind tunnel, the only test possible on the ground was the rocket sled test. In this NASA Edge episode (starting at 15:12), Ian Clark talked ...
7
votes
1answer
348 views

Are there any Mars missions currently in the design phase which could take advantage of NASA's Low Density Supersonic Decelerator?

NASA's LDSD project, which underwent a mostly successful test last year, has been indicated to improve the maximum payload deliverable to the surface of Mars from 1.5 metric tonnes to 2-3 metric ...