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Search: Posts Made By: Vessbot
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Forum: Tech Log
4th Jul 2022, 02:10
Replies: 18
Views: 3,128
Posted By Vessbot

The physical interaction between flowing air and...

The physical interaction between flowing air and the fuselage/wings/speedbrake/etc of the airplane, are not effected by the autopilot mode or FMA annunciation. If X airspeed and Y vertical speed are...
Forum: Tech Log
2nd Jul 2022, 20:04
Forum: Tech Log
2nd Jul 2022, 15:06
Replies: 45
Views: 3,162
Posted By Vessbot

This is two different scopes of the explanation....

This is two different scopes of the explanation. They don't contradict, but it can be confusing since they use some of the same terms.

The first one is a fine-grained detailed view of the action...
Forum: Tech Log
2nd Jul 2022, 14:54
Replies: 45
Views: 3,162
Posted By Vessbot

They don't teach this anymore, it's been...

They don't teach this anymore, it's been corrected. But there are still stragglers, since it's so simple and elegant and ties everything together...



The starting and stopping vortices are...
Forum: Tech Log
11th May 2022, 18:31
Replies: 65
Views: 8,439
Posted By Vessbot

Did he feel that there was a good reason to...

Did he feel that there was a good reason to require that 30-40 seconds worth of stuff be done after getting a push back clearance but before pushing back?
Forum: Tech Log
10th May 2022, 15:29
Replies: 65
Views: 8,439
Posted By Vessbot

The OEM checklist may be well-designed, or it may...

The OEM checklist may be well-designed, or it may be absolute trash that is literally unusable. Like, I remember King Air landing checklists that went all the way up through "Brakes.... APPLY" and...
Forum: Tech Log
6th May 2022, 22:13
Replies: 11
Views: 1,655
Posted By Vessbot

I understand the "we're not learning how to build...

I understand the "we're not learning how to build it" line of thought against extraneous detail. But if pilots are denied basic info like "what do my flight controls do," that's off the other end of...
Forum: Tech Log
6th May 2022, 21:26
Replies: 11
Views: 1,484
Posted By Vessbot

No inertial nav needed, just any GPS groundspeed...

No inertial nav needed, just any GPS groundspeed and track. The old ubiquitous Garmin 430 shows it, but you have to do half a minute of tediously entering info via the twisty knobs every time you...
30th Apr 2022, 20:23
Replies: 74
Views: 20,696
Posted By Vessbot

My vote is "real." A few of the comments (why...

My vote is "real." A few of the comments (why isn't it turning with the bank, where is the wake) seem to be based on the video speed being real time. It's actually slowed down quite a lot.

As for...
Forum: Tech Log
26th Apr 2022, 23:26
Replies: 1,677
Views: 493,360
Posted By Vessbot

Given how the crew spent 90-95% of the time with...

Given how the crew spent 90-95% of the time with the stick aft of center requesting nose-up response, the argument over how “hidden” the airplane’s lack of nose-down authority was, seems to me kind...
Forum: Tech Log
17th Apr 2022, 09:18
Replies: 5
Views: 1,092
Posted By Vessbot

It's not the same, which causes 1 G stall speed...

It's not the same, which causes 1 G stall speed to be higher at high altitude even in IAS (in addition to being way higher in TAS due to the much more familiar density error).

We say that the wing...
Forum: Tech Log
15th Apr 2022, 22:44
Replies: 7
Views: 837
Posted By Vessbot

A neat aside, on the SR-71… ...

A neat aside, on the SR-71…

https://cimg2.ibsrv.net/gimg/pprune.org-vbulletin/642x1330/706a0309_32f0_4e16_8c37_784aadbba787_2410b65fd6623c79cd145ca110d1bbb5a1dc2634.jpeg
Forum: Tech Log
15th Apr 2022, 22:38
Replies: 7
Views: 837
Posted By Vessbot

Sometimes etymological origin doesn’t map nicely...

Sometimes etymological origin doesn’t map nicely onto technical usage. In this case, after about a hundred years when indicators have become capable of indicating things unthinkable originally - but...
Forum: Tech Log
15th Apr 2022, 13:51
Replies: 7
Views: 837
Posted By Vessbot

Pure speculation, but I think there's a good...

Pure speculation, but I think there's a good chance that the position, installation, and compressibility error corrections are applied by the computer to the speed before we see it, thus making it...
Forum: Tech Log
22nd Mar 2022, 20:21
Replies: 22
Views: 3,166
Posted By Vessbot

The text below the box says to do the slats...

The text below the box says to do the slats "during" (not after) flight path recovery. In the box, the indentation places it under "when out of stall," at the same level as flight path recovery.
...
Forum: Tech Log
17th Mar 2022, 14:30
Replies: 43
Views: 38,997
Posted By Vessbot

What does this mean - if you get a TCAS or a...

What does this mean - if you get a TCAS or a GPWS, or in the middle of landing rollout realize you have no braking, you're supposed to open the QRH?
Forum: Tech Log
27th Feb 2022, 16:55
Replies: 16
Views: 2,844
Posted By Vessbot

I have the PF2 in an airline jet and am in...

I have the PF2 in an airline jet and am in absolute love with it. I'd shy away from them for GA usage (though have never tried it myself), first because of Bose's own warning about possibly...
Forum: Jet Blast
17th Feb 2022, 02:59
Replies: 748
Views: 93,001
Posted By Vessbot

Ah yes - all the questions I need to be carefully...

Ah yes - all the questions I need to be carefully examining at 3-something in the morning on day 3 of a trip, when I couldn't tell you my name if you asked me -
- Is the long end or the short end of...
Forum: Tech Log
12th Jan 2022, 19:22
Replies: 48
Views: 4,427
Posted By Vessbot

In the English I know, "final landing...

In the English I know, "final landing configuration" means the configuration in which you can land the airplane. (And just in case there's some uncertainty over potential multiple stages along the...
Forum: Tech Log
11th Jan 2022, 14:48
Replies: 16
Views: 2,971
Posted By Vessbot

I'm lost, if the weather is at Cat 1 DA how can...

I'm lost, if the weather is at Cat 1 DA how can you "go visual any time?"
Forum: Tech Log
7th Jan 2022, 21:28
Replies: 13
Views: 1,146
Posted By Vessbot

My question was whether this problem happens in...

My question was whether this problem happens in DG mode or slaved mode.
Forum: Tech Log
7th Jan 2022, 17:28
Replies: 13
Views: 1,146
Posted By Vessbot

​​​​​​Does it have this abnormal drift problem...

​​​​​​Does it have this abnormal drift problem when it's in DG mode?
Forum: Tech Log
6th Jan 2022, 18:56
Replies: 13
Views: 1,146
Posted By Vessbot

Does it have magnetic inputs? If so then it's not...

Does it have magnetic inputs? If so then it's not just passive drift, but active disturbances by the sporadic magnetic fields at those latitudes.
Forum: Tech Log
6th Jan 2022, 16:46
Replies: 48
Views: 4,427
Posted By Vessbot

Yeah, in the middle of writing that, I remembered...

Yeah, in the middle of writing that, I remembered that that's what's also written on the control and the ECAM, so official Airbus-speak through and through.

Anyway back to the topic at hand,...
Forum: Tech Log
6th Jan 2022, 14:46
Replies: 48
Views: 4,427
Posted By Vessbot

Sideline gripe on linguistics and not hydraulics....

Sideline gripe on linguistics and not hydraulics. I read this sentence: "The SOP philosophy regarding landing gear extension is to get it down and locked before reaching the final landing...
Forum: Tech Log
4th Jan 2022, 15:24
Replies: 48
Views: 4,427
Posted By Vessbot

This is the kind of answer I was looking for...

This is the kind of answer I was looking for Aeromech, so thanks. Looks like there's a whole lot more going on than just "pumping against the same or lower pressure."
Forum: Tech Log
3rd Jan 2022, 18:45
Replies: 48
Views: 4,427
Posted By Vessbot

How about trim and/or pitch down before the...

How about trim and/or pitch down before the balloon so it doesn't happen in the first place? ;)

Then, if pitch/drag effects of simultaneous config changes are known ahead of time, they can be...
Forum: Tech Log
25th Dec 2021, 02:08
Replies: 48
Views: 4,427
Posted By Vessbot

Hydraulic system loading

A few times I've seen quips about avoiding using multiple hydraulic systems (like gear and flap movement) simultaneously, because of the extra wear and tear the increased load can put on the system....
Forum: Questions
5th Dec 2021, 17:23
Replies: 6
Views: 1,105
Posted By Vessbot

Pay attention, he asked for the Airbus version....

Pay attention, he asked for the Airbus version. You don't need a clipboard when the airplane is equipped with a tray!
Forum: Tech Log
4th Dec 2021, 18:16
Replies: 15
Views: 2,963
Posted By Vessbot

It's actually a regional thing, "Low Visibility...

It's actually a regional thing, "Low Visibility Procedures" is not generally used in the US. We just say Cat II, III, etc. Sometimes "Lowered Landing Minimums." Only reason I know it is because of...
Forum: Tech Log
30th Nov 2021, 21:02
Replies: 19
Views: 3,277
Posted By Vessbot

As it's not the 1950's when jet engines routinely...

As it's not the 1950's when jet engines routinely flamed out with no mechanical problem, in any gray area I'd probably lean the way of severe damage. Just a general thought.
19th Nov 2021, 22:05
Replies: 33
Views: 11,322
Posted By Vessbot

This confuses two different things, which is easy...

This confuses two different things, which is easy to do since they unfortunately ended up with the same name. The GA “maneuvering speed” that the thread has been talking about, aka Va, is a maximum...
18th Nov 2021, 23:51
Replies: 33
Views: 11,322
Posted By Vessbot

As others have speculated, the overall load limit...

As others have speculated, the overall load limit could be set by items whose breaking point does not change with airspeed (as does the max load provided by the wings) so it occurs at a certain...
Forum: Tech Log
17th Nov 2021, 00:38
Replies: 22
Views: 4,646
Posted By Vessbot

Is this different from the question you posed in...

Is this different from the question you posed in this thread?
4th Nov 2021, 20:58
Replies: 65
Views: 21,818
Posted By Vessbot

I see right (anti-spin) rudder at all points...

I see right (anti-spin) rudder at all points where I can see the rudder in the first spin, as the subsequent ones it gets too small to see. I also can't see the ailerons at any point after the...
Showing results 1 to 35 of 713
 


 
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