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Search: Posts Made By: Vessbot
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Forum: Tech Log
18th Jul 2021, 12:55
Replies: 42
Views: 8,226
Posted By Vessbot

Many times, the relevant "procedure" not...

Many times, the relevant "procedure" not "drilled" being to simply fly the plane...

Reminds me of this haunting snippet of transcript:

02:44:18 CA: See what the aircraft did!
02:44:27 FO:...
Forum: Tech Log
14th Jul 2021, 16:23
Replies: 20
Views: 3,317
Posted By Vessbot

Barankin On the accident you quoted, they...

Barankin

On the accident you quoted, they were not on a published route. But if you've reached the IAF, you're on a published route.
Forum: Tech Log
7th Jul 2021, 23:14
Replies: 69
Views: 9,029
Posted By Vessbot

Most people's intuitive concept of what the yoke...

Most people's intuitive concept of what the yoke does, has little to nothing to do with its effect on AOA and/or airspeed. It's considered simply for pointing the nose, and in turn, for pointing the...
Forum: Tech Log
6th Jul 2021, 11:39
Replies: 69
Views: 9,029
Posted By Vessbot

Agreed. Left stick to turn left, push the thrust...

Agreed. Left stick to turn left, push the thrust levers to climb, push the stick forward to get away from stall... stuff like that. The basic basics. Lot of other stuff built on top that eases life...
Forum: Tech Log
4th Jul 2021, 23:44
Replies: 69
Views: 9,029
Posted By Vessbot

Cropduster Much less pushing the thrust...

Cropduster

Much less pushing the thrust lever...
Forum: Tech Log
28th Jun 2021, 19:16
Replies: 54
Views: 7,029
Posted By Vessbot

If we are speaking English about aircraft, then...

If we are speaking English about aircraft, then to augment control means to increase it - not necessarily in force, authority, or surface displacement; but in stability, precision, aid toward certain...
Forum: Tech Log
25th Jun 2021, 20:08
Replies: 54
Views: 7,029
Posted By Vessbot

Why does that need a single thrust lever? The...

Why does that need a single thrust lever? The airplane can automatically pull back the individual lever for the failed engine, if they want to design it to do so. My plane does that for an unlocked...
Forum: Tech Log
22nd Jun 2021, 15:29
Replies: 54
Views: 7,029
Posted By Vessbot

swh The article says that backup individual...

swh

The article says that backup individual levers are there only in the test version, while the final installation is expected to have the single lever only.
Forum: Tech Log
16th Jun 2021, 20:25
Replies: 4
Views: 1,306
Posted By Vessbot

^---- The assumption that this is based on idle...

^---- The assumption that this is based on idle thrust, explains it. (Also, that these are long term steady state conditions, and not effects of gusts.) Another way of putting it: More headwind means...
Forum: Tech Log
11th Jun 2021, 22:59
Replies: 22
Views: 2,587
Posted By Vessbot

70 Mustang Glideslope and localizer, aka...

70 Mustang

Glideslope and localizer, aka "raw data." They show only your angular deviations from the horizontal and vertical perfect positions. If you're right of course see a "fly left" needle,...
Forum: Tech Log
22nd May 2021, 15:42
Replies: 37
Views: 6,387
Posted By Vessbot

I think he needed to add a healthy ":ok:" to his...

I think he needed to add a healthy ":ok:" to his post. We're in a one-upmanship comedic contest of absurd alternatives to trimming the rudder.
Forum: Tech Log
22nd May 2021, 12:26
Replies: 7
Views: 1,303
Posted By Vessbot

https://cimg3.ibsrv.net/gimg/pprune.org-vbulletin/...

https://cimg3.ibsrv.net/gimg/pprune.org-vbulletin/1506x837/20210522_072238_b19389535f0d0f077a011e0fe65495062f5f8ed1.jpg
The cold air completely surrounds the combustor and flows outside-in, like any...
20th Apr 2021, 13:51
Replies: 27
Views: 5,465
Posted By Vessbot

It's not that simple, say way more people get...

It's not that simple, say way more people get through the assessment than there are positions?
Forum: Tech Log
9th Apr 2021, 20:52
Replies: 47
Views: 6,163
Posted By Vessbot

Yes, it is difficult in the situation the thread...

Yes, it is difficult in the situation the thread is about.

Situation 1: (note: this is not the one the thread is about) Flying a Cessna 172 on downwind when there's a crosswind. What to do: Turn...
Forum: Tech Log
9th Apr 2021, 19:57
Replies: 16
Views: 3,115
Posted By Vessbot

From the USNTPS Flight Test Manual (publicly...

From the USNTPS Flight Test Manual (publicly available here (http://www.usntpsalumni.com/Resources/Documents/USNTPS_FTM_103.pdf)):

Additionally, dihedral effect of the
airplane with swept wings...
Forum: Tech Log
9th Apr 2021, 05:31
Replies: 16
Views: 3,115
Posted By Vessbot

The more fundamental variance is with AOA, not...

The more fundamental variance is with AOA, not speed. If it was just a matter of speed, then the relative effectiveness of the rudder vs. ailerons would not change, as they're always flying at the...
Forum: Tech Log
7th Apr 2021, 20:38
Replies: 9
Views: 2,279
Posted By Vessbot

Looking at the mobile page (so who knows how the...

Looking at the mobile page (so who knows how the hell it relates to the normal page) as well as the Wiki, it seems that the Advance is a 3 spool engine like the rest of the 211/Trent lineage, and the...
Forum: Tech Log
3rd Apr 2021, 03:32
Replies: 12
Views: 2,047
Posted By Vessbot

john_tullamarine; You're right, everything...

john_tullamarine;

You're right, everything I've been saying has been about the main wing AOA. This part I'm less sure of than my other posts, but: I think as a first approximation, it's fair to...
Forum: Tech Log
2nd Apr 2021, 23:15
Replies: 12
Views: 2,047
Posted By Vessbot

Yes, some of what we're talking about is...

Yes, some of what we're talking about is minutiae, and we're talking past each other. In my paragraph where I distinguished CL (current) from CLmax, I offered my impression of what the disconnect is....
Forum: Tech Log
2nd Apr 2021, 21:56
Replies: 12
Views: 2,047
Posted By Vessbot

Here's a representative graph I really like, from...

Here's a representative graph I really like, from Aerodynamics for Naval Aviators, with the steady state speeds overlaid (at the risk of introducing a whole 'nother set of example numbers to confound...
Forum: Tech Log
2nd Apr 2021, 20:51
Replies: 12
Views: 2,047
Posted By Vessbot

"CL is a function of angle of attack." - yes. And...

"CL is a function of angle of attack." - yes. And as long as we're not near the stall, and it's a high aspect ratio, low sweep wing, a pretty simple function at that. Say, it looks something like...
Forum: Tech Log
2nd Apr 2021, 19:06
Replies: 12
Views: 2,047
Posted By Vessbot

Are you talking about 1G, straight line flight?...

Are you talking about 1G, straight line flight? If so, I disagree. Actual lift stays constant (it has to equal weight, which is constant) throughout all speeds. So CL varies inversely with speed. As...
Forum: Tech Log
2nd Apr 2021, 18:30
Replies: 12
Views: 2,047
Posted By Vessbot

Rearranging the lift equation, CL varies by the...

Rearranging the lift equation, CL varies by the inverse of the square of speed (or, speed varies by the inverse square root of CL), so no. There are further relationships to consider (CL to AOA, and...
Forum: Tech Log
1st Apr 2021, 17:23
Replies: 2
Views: 480
Posted By Vessbot

https://cimg4.ibsrv.net/gimg/pprune.org-vbulletin/...

https://cimg4.ibsrv.net/gimg/pprune.org-vbulletin/550x525/mo10y_2e3d97759d085b6efb6ad0a0d7645a6fa106e576.png


I have no knowledge of this subject until this thread, but a quick Google turns up...
Forum: Tech Log
27th Mar 2021, 19:22
Replies: 47
Views: 6,163
Posted By Vessbot

(I was replying to Tolip's post by "these...

(I was replying to Tolip's post by "these airplanes" but forgot to hit the quote button, then ended up posting shortly after you, so it looks like I was referring to your airplanes, when I wasn't....
Showing results 1 to 25 of 664
 


 
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