Questions tagged [qualification-testing]
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24 questions
2votes
0answers
51views
What NDT methods use for CFRP based fairing quality check?
Fairings are made with carbon fiber face sheets sandwiched between aluminium honeycomb cores. What procedures are adopted to detect different manufacturing defects like Debonding, damage cores, cracks ...
11votes
4answers
4kviews
If Starliner returns safely on autopilot, can this still prove that it's safe? Could it be launched back up to the ISS again to complete its mission?
NASA is understandably cautious when it comes to risking the lives of their astronauts. But, I'm wondering if Starliner were to return successfully (albeit uncrewed) and in the process provide more ...
- 9,353
5votes
1answer
183views
Is the depressurization performance of fairing during ascent ever tested on the ground before flight?
Fairing is the upper part of the launch vehicle that covers payload. This payload is very sensitive because of the high speed of vehicle produces a lot of heat. Fairing bears all of it. The pressure ...
- 101
2votes
1answer
241views
What are the implications of claiming space heritage if you don't have it?
What would be the legal implications if a Company have claimed they have Spaceflight heritage for it's products, but the heritage was for the previous Company, which the owner shut it for legal ...
4votes
0answers
173views
Atomic oxygen and UV Radiation qualification tests for a cubesat
I'm the Assembly, Integration and Verification Engineer of a cubesat project developed by students. Currently I'm trying to create the specifications for our payloads upcoming (mon)atomic oxygen (ATOX)...
3votes
1answer
100views
What are the differences between Skyroot Aerospace's Vikram-S and Vikram-1?
Skyroot Aerospace (an Indian aerospace startup ) is ready to launch its first launch vehicle Vikram-S, which is the suborbital version of Vikram-1. What are the differences in flight hardware between ...
- 3,072
1vote
0answers
134views
Pressure and Leak Testing of Rockets
For any pressure vessel, hydrostatic/pneumatic pressure testing and helium leak testing are carried out as per UG-99/UG-100 and ASME, Section V, Article 10, respectively. For a rocket, what are the ...
4votes
1answer
284views
Can you become an astronaut with Strabismus?
When I was 2 years old, I had eye surgery and got diagnosed with strabismus. Strabismus is an eye condition where both eyes don’t look at exactly the same spot. Would I still be able to become an ...
- 41
3votes
0answers
76views
What is actually happening in this full mission rehearsal of CAPSTONE's propulsion hardware?
NASA Ames's feature CAPSTONE’s CubeSat Prepares for Lunar Flight says CAPSTONE will use a hydrazine-fueled propulsion system during most of its three- to four- month journey to the Moon. This line of ...
- 153k
11votes
2answers
536views
How many of these six military "orbital threat" techniques have been demonstrated in a (more or less) publicly recognized way?
If you are having a good day then under no circumstances should you read the US Defense Intelligence Agency's Challenges to Security in Space1 (Information cutoff date, January 2019) linked in Axios' ...
- 153k
2votes
0answers
68views
What kind of impact tests to large touch screen displays in crew capsules have to pass?
Some of the glass layers in commercial large format displays are between 0.25 and 0.7 mm thick. (e.g. 1, 2) If something comes loose in a capsule during a high acceleration period (launch, reentry) ...
- 153k
8votes
0answers
218views
How is the Max-Q of a spacecraft determined?
Maximum aerodynamic pressure of a spacecraft is the maximum force it's hull can withstand during flight. How is the Max-Q of a spacecraft determined? Other related ( optional) queries are: If Max-Q ...
- 1,185
10votes
1answer
1kviews
Rocket engine test bed structure
Rocket engine thrust will eventually "lift" a certain amount of weight, to a certain height. For Saturn V, they used 5# F1 engines, each of which produced a thrust sufficient to lift ...
- 3,806
2votes
1answer
129views
Why wasn't there a 2nd attempt for the Viking-DS (VDS) test payload before the real Viking 1 and 2 were launched?
Per Gunter's Space Page for Viking-DS (VDS): Viking-DS or VDS (Viking Dynamic Simulator) was a vehicle evaluation payload, which was to represent the dynamic properties of the Viking spacecraft. It ...
- 153k
5votes
2answers
677views
Longest static fire?
What is the longest duration for a static fire of a complete rocket stage? Initially I wanted to ask this for Falcon 9 and Falcon Heavy I found a 10 second static fire for Falcon Heavy - https://...
- 2,710
