Questions tagged [testing]
Questions about the procedure of using a piece of equipment to find imperfections or problems.
141 questions
3votes
1answer
321views
Using rocket engines as vacuum pumps for high altitude hot fire testing
The test of the rocket's second-stage engine can be carried out using a small nozzle model. Or you can run such test in a dedicated vacuum facility, which can better reflect the performance of the ...
-1votes
1answer
178views
What are the tests done before a satellite/payload is ready [closed]
A lot of things go into consideration before launching a payload into orbit. And obviously, a lot of tests take place before the final launch. I would like to know of all the tests that take place and ...
- 2,493
2votes
3answers
1kviews
Why doesn't SpaceX plan on doing something new on IFT-6?
The profile for IFT-6 is expected to be similar to that IFT-5, and I don't see any significant changes announced anywhere. This is strange for SpaceX, which usually makes significant changes between ...
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 ...
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
8votes
2answers
840views
Has Blue Origin carried out any flight or landing tests of the New Glenn first stage?
New Glenn is scheduled to launch the EscaPADE probe to Mars in the September launch window. I've read a lot about ground systems testing and prospective BE-4 static fire tests, but can't find ...
- 3,405
6votes
2answers
2kviews
Why did SpaceX change the landing site from the Pacific (ITF-1, ITF-2) to the Indian Ocean (ITF-3 and subsequent flights)?
This statement from the FAA is quoted on https://wccftech.com/spacex-receives-faa-clearance-for-starships-third-test-5-indian-ocean-landings-planned The need for (switching landing to the) Indian ...
- 33k
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
151views
CubeSat dispensers: amplify or dampen vibration loads on spacecraft?
CubeSat world: has anybody run a vibration test where you put accelerometers both on the dispenser (or shaker plate) and your spacecraft inside the dispenser? For the SunCET CubeSat, we're trying to ...
4votes
0answers
156views
Anti-Geyser Test Full Scale
I am working on the thesis about Geysering and Recirculation in Launch Vehicles. And I am having some diffucilties to understand that "do we need to use full-scale model to test geysering?". ...
- 49
0votes
1answer
150views
Why does SpaceX's integrated booster test not attempt to relight the second stage engines
Starting an engine in a vacuum under microgravity conditions is really difficult to test on Earth. Why isn't the first stage test being used to gather data for this?
- 693
2votes
1answer
179views
Need advice to set up reaction wheel cluster in lab
I am thinking of having a reaction wheel cluster set up in a physics lab for educational purposes. I would like to find out what the available options to me are. Here are some more specifics: I see ...
- 179
13votes
1answer
4kviews
How does NASA have permission to test a nuclear engine?
In this article on nasa.gov (https://www.nasa.gov/press-release/nasa-darpa-will-test-nuclear-engine-for-future-mars-missions) it mentions that NASA will test a nuclear rocket engine for future crewed ...
- 6,933
25votes
4answers
9kviews
What is SpaceX doing differently with Starship to avoid it exploding like the N1?
Both Starship and the N1 have more than 30 rocket engines. The N1 exploded after having a chain reaction from a failed engine. N1 rocket engines: Starship’s rocket engines: Unlike the N1, SpaceX has ...
- 6,933
