Posted on 09/09/2019 6:18:47 AM PDT by Red Badger
I usually feel better when we see a failure.
A failure means either a design fault or an error in the testing procedure.
A pass could be masking a real problem.
The Intel Floating Point bug was do to an internal pass masking a real problem.
“It’s unlikely this will speed up certification,”
Ya’think?
Testing it until it breaks is one method. The question becomes did the plane meet the design specifications?
Sounds like it failed
If it is ultimate then that is likely beyond requirements and is more about what is the factor of safety.
Might need a little more?
Uh Oh Better get Maaco!
30 sec.
https://www.youtube.com/watch?v=047BfmFdMrM
This is why they do tests.
“I usually feel better when we see a failure.”
Agreed. means they found a weakness and now engineering can correct it. Had a house built in 2001 and the roof failed inspection. i was actually good withthat. In my mind it meant the city inspector was actually looking and didn’t just do a drive by sign off.....never had a roof problem either.
If only Boeing had been this rigorous with their software testing for the 737MAX.
I used to run destructive failure tests on various metal fabrications. The whole idea was to take it to failure and learn what lead to the failure.
Well, better now than in actual flight. That’s why they build static test frames in the first place, especially after that bad experience with the de Havilland DH. 106 Comet with the metal fatigue problems caused by flying at over 35,000 feet altitude repeatedly.
The test...................
“The whole idea was to take it to failure and learn what lead to the failure.”
Shake it till it rattles. Fix the rattle. Shake it again.
L
I wonder if this will be corrected with software. /s
As long as I can witness the failure from a distance.
Sometimes you run tests to failure to see how far it can go before it does fail. Other times you run tests to extreme design limits to see if they designed it right and it should survive the test. Maybe not be usable afterwards but it doesn’t fail in a way that kills people.
This test looks to be one of the latter. It should have been able to handle these stresses without busting open. I’m sure they modeled it on computers and it did survive. But in the real world it did not. The issue is then that it calls into question all of the structural design modeling. Bad news for Boeing.
https://en.wikipedia.org/wiki/No_Highway_in_the_Sky
1951 movie was based on the 1948 book “No Highway”
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