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Search: Posts Made By: MechEngr
Showing results 1 to 35 of 827
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Forum: Rumours & News
27th Apr 2024, 08:41
Replies: 112
Views: 34,302
Posted By MechEngr

The way fatigue cracks propagate through metal is...

The way fatigue cracks propagate through metal is very different from the way damage accumulates in composites. In particular, fatigue cracks in metal form and progress at very small stress loads -...
Forum: Tech Log
27th Apr 2024, 00:32
Replies: 17
Views: 3,240
Posted By MechEngr

Is it time to use phased array receiver antennas...

Is it time to use phased array receiver antennas to better reject signals from not-satellites?
Forum: Rumours & News
26th Apr 2024, 23:36
Replies: 4
Views: 1,197
Posted By MechEngr

Dibs.

Dibs.
Forum: Accidents and Close Calls
26th Apr 2024, 18:46
Replies: 21
Views: 6,915
Posted By MechEngr

All I could make out on multiple replays from ATC...

All I could make out on multiple replays from ATC Live was "ire," so perhaps that was it.
Forum: Accidents and Close Calls
26th Apr 2024, 07:50
Replies: 21
Views: 6,915
Posted By MechEngr

The wing appears to have remained attached in...

The wing appears to have remained attached in this accident. Any falling debris is too small to show up on the surveillance camera.
Forum: Rumours & News
26th Apr 2024, 05:17
Replies: 1,808
Views: 3,073,277
Posted By MechEngr

Per the report analysis, before the FO could...

Per the report analysis, before the FO could start the go-around the Captain took controls from the FO.



I haven't backed up enough to see how coming in too high and too fast originated, but...
Forum: Accidents and Close Calls
26th Apr 2024, 03:11
Replies: 21
Views: 6,915
Posted By MechEngr

Any chance it was a mis-fuel? Certainly would be...

Any chance it was a mis-fuel? Certainly would be ironic, but it did happen a number of years ago near me. Ramp worker saw the huge fuel opening and decided that the large nozzle was the one to use on...
Forum: Military Aviation
25th Apr 2024, 19:29
Replies: 15
Views: 1,364
Posted By MechEngr

Iron Dome works for Israel because Israel is a...

Iron Dome works for Israel because Israel is a tiny country with a large number of military cripples sending bottle rockets at concentrated population centers and is paid for by the USA and backed by...
Forum: Military Aviation
19th Apr 2024, 05:46
Replies: 11
Views: 1,535
Posted By MechEngr

https://www.twz.com/land/laser-rocket-anti-drone-s...

https://www.twz.com/land/laser-rocket-anti-drone-systems-being-rushed-to-u-s-forces-in-the-middle-east is an interesting response.

It's got a laser designator with a phased array hemisphere radar...
Forum: Tech Log
19th Apr 2024, 05:18
Replies: 47
Views: 3,428
Posted By MechEngr

"a symmetrical airfoil, like a plate" What...

"a symmetrical airfoil, like a plate"

What kind of plates are you using for dinner?

"Actually it's quite like a helicopter rotor disc,"

Ready for take-off....
Forum: Tech Log
18th Apr 2024, 22:36
Replies: 47
Views: 3,428
Posted By MechEngr

They tried this on the International Space...

They tried this on the International Space Station - results were inconclusive.
Forum: Rumours & News
18th Apr 2024, 15:28
Replies: 7
Views: 2,847
Posted By MechEngr

Whose faulty software did that?

Whose faulty software did that?
Forum: Military Aviation
17th Apr 2024, 19:04
Replies: 11
Views: 1,535
Posted By MechEngr

Stopping drones is almost as easy as stopping...

Stopping drones is almost as easy as stopping mortar shells or rifle bullets. I think the evolution of drones will move to making battlefields far more deadly for soldiers. The drones are rapidly...
Forum: Private Flying
17th Apr 2024, 08:07
Replies: 10
Views: 543
Posted By MechEngr

Such a long walk down this thread and still no...

Such a long walk down this thread and still no photograph with the cowling removed, no sense of where anything is. The scoops look like they capture air into the cowling, but then the exhaust looks...
Forum: Military Aviation
17th Apr 2024, 04:59
Replies: 1,217
Views: 415,691
Posted By MechEngr

Religious extremism wants control of their...

Religious extremism wants control of their followers and they cannot keep that control without an external threat. Usually it is just some vague reference to unbelievers or some unsubstantiated evil,...
Forum: Rumours & News
17th Apr 2024, 00:29
Replies: 112
Views: 34,302
Posted By MechEngr

I never watch the pro-Putin, Mudoch news. I'm...

I never watch the pro-Putin, Mudoch news. I'm also skeptical, not jaundiced.
Forum: Rumours & News
16th Apr 2024, 19:49
Replies: 112
Views: 34,302
Posted By MechEngr

I am not ignorant of aviation, thanks very much....

I am not ignorant of aviation, thanks very much. The political reason FAA exists is to reassure the flying public that aircraft and aviation are safe, not primarily to ensure that aircraft are safe....
Forum: Military Aviation
15th Apr 2024, 19:40
Replies: 1,217
Views: 415,691
Posted By MechEngr

AFAIK Patriot was bad against the Scuds because...

AFAIK Patriot was bad against the Scuds because of two problems - the first was that different modules used different time-bases that differed in the number of bits assigned to their clocks. The...
Forum: Rumours & News
15th Apr 2024, 19:13
Replies: 112
Views: 34,302
Posted By MechEngr

Congress legislates the function of the FAA and...

Congress legislates the function of the FAA and oversees the funding of the FAA and has not been providing the funding required to keep the FAA attractive enough to hire enough people skilled enough...
Forum: Tech Log
15th Apr 2024, 17:29
Replies: 47
Views: 3,428
Posted By MechEngr

Consider the case of dropping a level dinner...

Consider the case of dropping a level dinner plate. The pitch angle is 0 degrees and the AoA is 90 degrees. Don't use the good china for this experiment.
Forum: Rumours & News
15th Apr 2024, 05:58
Replies: 704
Views: 195,941
Posted By MechEngr

If they did occur and were never reported how...

If they did occur and were never reported how would the press report on that? If they were "nothing burgers" then wasn't the original evaluation by Boeing correct? The first incident we know about...
Forum: Rumours & News
15th Apr 2024, 04:22
Replies: 112
Views: 34,302
Posted By MechEngr

The problem with statistics of small numbers of...

The problem with statistics of small numbers of events is that probabilities based on them have huge problems determining the confidence interval.

It's better to focus on the sequence that led to...
Forum: Rumours & News
12th Apr 2024, 18:16
Replies: 112
Views: 34,302
Posted By MechEngr

They failed to follow any portion of the stall...

They failed to follow any portion of the stall warning procedure prior to completing all the triggers for MCAS. How badly trained must pilots be to be considered a part of the problem? The airline...
Forum: Rumours & News
12th Apr 2024, 18:03
Replies: 704
Views: 195,941
Posted By MechEngr

The turn came when a government made up a story...

The turn came when a government made up a story about how their pilots performed perfectly and the plane still was impossible for any human to control and for some reason the CEO of Boeing clearly...
Forum: Rumours & News
9th Apr 2024, 22:07
Replies: 112
Views: 34,302
Posted By MechEngr

Could people heading to the press about problems...

Could people heading to the press about problems include specific detail about what the shortcut was and what they believe the effect of it to be?

No doubts about some shortcut and no tolerance...
Forum: Accidents and Close Calls
8th Apr 2024, 18:22
Replies: 75
Views: 25,406
Posted By MechEngr

It did not appear to have hit the flaps - the...

It did not appear to have hit the flaps - the outboard cover was still attached after takeoff and was entirely above the wing and the inboard cover spent its time on the loose over the wing as well....
Forum: Accidents and Close Calls
6th Apr 2024, 04:55
Replies: 32
Views: 10,352
Posted By MechEngr

I see - there is a ground speed graph that...

I see - there is a ground speed graph that appears to be from the DFDR as well as the ADS-B data.

Comparing the two would allow finding out when the slide started, but the graph is too compressed...
Forum: Accidents and Close Calls
5th Apr 2024, 19:13
Replies: 32
Views: 10,352
Posted By MechEngr

I wonder how the ground speed is determined. If...

I wonder how the ground speed is determined. If it is from the tires then as the slide begins the ground speed will only be in alignment with the fuselage and not represent the true velocity of the...
Forum: Rumours & News
3rd Apr 2024, 17:50
Replies: 6
Views: 5,541
Posted By MechEngr

More shoes dropped than a centipede getting ready...

More shoes dropped than a centipede getting ready for bed.
Forum: Tech Log
31st Mar 2024, 22:06
Replies: 3
Views: 1,109
Posted By MechEngr

G excursions are from transitions between rates,...

G excursions are from transitions between rates, not from the rates themselves. If you are descending at 10k fps there are far worse problems, like incandescent heating from compression effects.
...
Forum: Military Aviation
30th Mar 2024, 15:43
Replies: 38
Views: 5,499
Posted By MechEngr

It kept his desk cleared of clutter.

It kept his desk cleared of clutter.
Forum: Rumours & News
30th Mar 2024, 03:59
Replies: 704
Views: 195,941
Posted By MechEngr

They will simply go elsewhere to drain another...

They will simply go elsewhere to drain another company to a discardable husk.
Forum: Rumours & News
29th Mar 2024, 18:11
Replies: 704
Views: 195,941
Posted By MechEngr

A problem facing publicly traded US companies,...

A problem facing publicly traded US companies, not sure what rules apply abroad, is that if they have sufficient cash on hand to provide a safe cushion, it is possible to leverage a controlling...
Forum: Professional Pilot Training (includes ground studies)
29th Mar 2024, 18:01
Replies: 5
Views: 699
Posted By MechEngr

Khan Academy. Start at the very beginning. You...

Khan Academy. Start at the very beginning. You may think, I can handle addition, and probably so. Can you handle being quizzed on addition? Less probably so. It's free; a sign-up is only required to...
Forum: Military Aviation
28th Mar 2024, 02:28
Replies: 21
Views: 4,848
Posted By MechEngr

See https://en.wikipedia.org/wiki/Fogbank for a...

See https://en.wikipedia.org/wiki/Fogbank for a component of US nuclear weapons that could no longer be made.

Everything about it is classified but they forgot to record how it was made. It took...
Showing results 1 to 35 of 827
 
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