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Search: Posts Made By: MechEngr
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19th Feb 2020, 23:54
Replies: 36
Views: 15,984
Posted By MechEngr

My wife's former job was civilian US Army...

My wife's former job was civilian US Army helicopter support. One ongoing problem was that tools went missing all the time. To ensure the right tools were used, they were supplied to the mechanics,...
19th Feb 2020, 23:42
Replies: 69
Views: 115,575
Posted By MechEngr

The best part is the customer survey screen...

The best part is the customer survey screen popping up just after the expletive in reaction to an unexpectedly (at least for that passenger) hard landing.

It could only have been better if Clippy...
19th Feb 2020, 17:46
Replies: 36
Views: 15,984
Posted By MechEngr

Keeping the tanks clean from the factory is not...

Keeping the tanks clean from the factory is not enough.
Humorous anecdote - an airplane was being refueled. Got all done and time to unlatch the hose. The handle on the hose shut-off valve would not...
17th Feb 2020, 10:40
Replies: 262
Views: 97,983
Posted By MechEngr

Quite a few of the astonishing items in that...

Quite a few of the astonishing items in that article are false. But it is written as a Gish Gallop, so an equally lengthy response is required to debunk them.
Example: That the 737 MAX was unstable...
16th Feb 2020, 13:51
Replies: 262
Views: 97,983
Posted By MechEngr

What the FAA wants isn't to remove an individual...

What the FAA wants isn't to remove an individual wire but to remove and reconfigure multiple wire bundles; apparently by re-looming the wires into entirely new bundles.

It's tough enough to...
12th Feb 2020, 04:22
Replies: 35
Views: 13,204
Posted By MechEngr

They seem great until it comes time to pressurize...

They seem great until it comes time to pressurize them.
Forum: Rotorheads
4th Feb 2020, 22:41
Replies: 689
Views: 703,709
Posted By MechEngr

I've seen an estimate that the rotor turns at...

I've seen an estimate that the rotor turns at around 350 RPM; if that is wrong then the rest of this will be too, by whatever the proportion of error is in that number. That means that the rotor is...
Forum: Tech Log
30th Jan 2020, 03:49
Replies: 30
Views: 1,973
Posted By MechEngr

Considering this mechanically; supposing this is...

Considering this mechanically; supposing this is to be used during slick conditions, then applying enough pressure to the wheels opposite the desired turn direction should cause those wheels to lock...
25th Jan 2020, 01:12
Replies: 156
Views: 51,477
Posted By MechEngr

You will note that I've started the blame for the...

You will note that I've started the blame for the pilot side with the airline, the relevant CAA, and finally with the pilots who rejected training for the Ethiopian crash. I just remain puzzled and...
25th Jan 2020, 00:42
Replies: 156
Views: 51,477
Posted By MechEngr

Sorry, I should have emphasized how many trim...

Sorry, I should have emphasized how many trim events added 30 pounds of pull for each one in quick succession on a single flight.

But if you feel STS is adverse and compromising your ability to...
24th Jan 2020, 20:37
Replies: 156
Views: 51,477
Posted By MechEngr

Does STS require 60 pounds on the control wheel...

Does STS require 60 pounds on the control wheel to maintain the desired pitch? I'm confused why you think that STS performance has anything to do with this. Some pilots have commented that they have...
24th Jan 2020, 18:09
Replies: 156
Views: 51,477
Posted By MechEngr

The trigger for MCAS to resume is that a pilot...

The trigger for MCAS to resume is that a pilot made a trim input. Otherwise it was a one-shot. So it only restarted in response to manual input. And it moved continuously over that finite subset...
24th Jan 2020, 16:26
Replies: 93
Views: 47,230
Posted By MechEngr

Won't the pilots have trouble operating the plane...

Won't the pilots have trouble operating the plane with that pulled tight around them?
24th Jan 2020, 16:25
Replies: 93
Views: 47,230
Posted By MechEngr

The film is worth a bit of a watch for the...

The film is worth a bit of a watch for the airplane they used as a backdrop. Quite the Frankenstein assembly.
24th Jan 2020, 16:22
Replies: 93
Views: 47,230
Posted By MechEngr

Those expensive Apple laptops also funnel liquids...

Those expensive Apple laptops also funnel liquids right to the motherboard.
24th Jan 2020, 16:13
Replies: 156
Views: 51,477
Posted By MechEngr

Nothing, therefore, in the flying of a plane is...

Nothing, therefore, in the flying of a plane is continuous. Every plane ends up on the ground and either in a smoking hole or, more often, the scrap yard.
Every. Single. Thing. Is. Intermittent....
24th Jan 2020, 01:23
Replies: 93
Views: 47,230
Posted By MechEngr

Spill resistant sippy cups is the answer.

Spill resistant sippy cups is the answer.
24th Jan 2020, 01:21
Replies: 156
Views: 51,477
Posted By MechEngr

5 MONTHS AFTER THE MCAS BULLETIN AND NOBODY...

5 MONTHS AFTER THE MCAS BULLETIN AND NOBODY REALLY UNDERSTOOD IT AT ET.
https://www.youtube.com/watch?v=5fVVqfJnNIY

Better training might have been the answer, but many airlines chose not to do...
22nd Jan 2020, 00:37
Replies: 262
Views: 97,983
Posted By MechEngr

This is not the same as all pilots from Ethiopia...

This is not the same as all pilots from Ethiopia being the best pilots in the world. Clearly Ethiopian management did not ever ascertain if their pilots could fluidly cope with the Lion Air scenario...
Forum: Tech Log
21st Jan 2020, 19:37
Replies: 60
Views: 19,696
Posted By MechEngr

That would be the Intel 80286, I expect. However...

That would be the Intel 80286, I expect. However Intel would certainly license the core to embedded systems developers for production at rates and for markets in which Intel could no longer afford to...
Forum: Tech Log
21st Jan 2020, 19:14
Replies: 60
Views: 19,696
Posted By MechEngr

Which is what they did. But it isn't something...

Which is what they did. But it isn't something that seems reasonably arranged for the multiple compilations each day that might be done while working with simulator testing.
Forum: Tech Log
21st Jan 2020, 17:13
Replies: 60
Views: 19,696
Posted By MechEngr

That would only handle the first 5 seconds or so...

That would only handle the first 5 seconds or so of the software operation. As soon as any mechanical system was required you need a plane that is ready to be flown, as in fueled and generators and...
Forum: Tech Log
21st Jan 2020, 03:36
Replies: 60
Views: 19,696
Posted By MechEngr

Java? Java does a ton of work and hides a lot of...

Java? Java does a ton of work and hides a lot of details behind a pile of software that won't fit on an FCC and may or may not be busy doing something that you don't want to do when something...
Forum: Tech Log
20th Jan 2020, 01:38
Replies: 60
Views: 19,696
Posted By MechEngr

No telling on the specific problem, but there are...

No telling on the specific problem, but there are tolerances in hardware that are not easy to simulate and might not present on one system but will be on another.

In a system I was involved with a...
19th Jan 2020, 14:40
Replies: 16
Views: 6,308
Posted By MechEngr

Lose at rock-paper-scissors.

Lose at rock-paper-scissors.
Showing results 1 to 25 of 115
 


 
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