PPRuNe Forums - Search Results
PPRuNe Forums

Go Back  PPRuNe Forums > Search Forums
Reload this Page >

Search Results

Register
FAQ
Calendar
Wikiposts
Today's Posts
Search
Vendor Directory
 
Page 1 of 3
1
2
3
Search: Posts Made By: G0ULI
Showing results 1 to 35 of 74
Search took 0.00 seconds.
Forum: Accidents and Close Calls
16th Jan 2019, 22:13
Replies: 420
Views: 145,526
Posted By G0ULI

Craig, Impressive work once more. Your animations...

Craig, Impressive work once more. Your animations make the dry textual accounts come alive and much easier to understand. Personally, I don't think the initial investigation was flawed so much as...
Forum: Accidents and Close Calls
6th Mar 2018, 01:47
Replies: 420
Views: 145,526
Posted By G0ULI

That is some very cool visualisation work Craig....

That is some very cool visualisation work Craig. It really emphasises how flat the surrounding area is. The railroad embankment appears to be the highest point around for quite some distance. It also...
Forum: Accidents and Close Calls
12th Feb 2018, 02:26
Replies: 420
Views: 145,526
Posted By G0ULI

Reading through Craig's assessment of the cockpit...

Reading through Craig's assessment of the cockpit environment, (which is excellent), it would seem that the crew had at best about 15 seconds to figure out a solution to the problem after they...
Forum: Accidents and Close Calls
11th Feb 2018, 03:13
Replies: 420
Views: 145,526
Posted By G0ULI

Which leads back to the obvious question, why was...

Which leads back to the obvious question, why was the rudder ineffective in resisting the roll induced by the ailerons?

Initially at least, the rudder would have been held in a position that...
Forum: Accidents and Close Calls
10th Feb 2018, 03:08
Replies: 420
Views: 145,526
Posted By G0ULI

Standard aviation design notes suggest that the...

Standard aviation design notes suggest that the rudder be capable of resisting full aileron deflection on single engine aircraft or an outboard engine failure with other engines developing full...
Forum: Accidents and Close Calls
8th Feb 2018, 00:33
Replies: 420
Views: 145,526
Posted By G0ULI

Concours77 I can envisage a situation where...

Concours77

I can envisage a situation where a developing whirl mode might cause an incorrectly assembled aileron cable to break. The vibration and flex of the wing adding just enough stress to...
Forum: Accidents and Close Calls
7th Feb 2018, 14:13
Replies: 420
Views: 145,526
Posted By G0ULI

The two previous whirl mode crashes involved...

The two previous whirl mode crashes involved structural failure of the wing at the wing root and subsequent loss of a complete wing while the aircraft were still in the air. That was clearly not what...
Forum: Accidents and Close Calls
6th Feb 2018, 01:44
Replies: 420
Views: 145,526
Posted By G0ULI

Craig I fear you may be heading up a blind...

Craig

I fear you may be heading up a blind alley with these weight and balance figures. They are immensely important with regards to straight and level flight, but I have to question their...
Forum: Accidents and Close Calls
30th Jan 2018, 23:45
Replies: 420
Views: 145,526
Posted By G0ULI

Excellent work with the potential break up...

Excellent work with the potential break up sequences.

I have difficulty accepting that the tail section could have flown up and flipped vertically, landing upside down. Such a scenario would...
Forum: Accidents and Close Calls
15th Jan 2018, 00:01
Replies: 420
Views: 145,526
Posted By G0ULI

I think the tests were undertaken to eliminate...

I think the tests were undertaken to eliminate fouling between the flaps and the ailerons as a possible cause of the accident. The investigators needed to consider all possible causes of the...
Forum: Accidents and Close Calls
14th Jan 2018, 18:38
Replies: 420
Views: 145,526
Posted By G0ULI

Concours77 Fair points, but the aircraft did...

Concours77

Fair points, but the aircraft did strike the ground 380 feet past the embankment and back of an envelope calculations are sufficient to prove that this is possible and reasonable...
Forum: Accidents and Close Calls
14th Jan 2018, 02:33
Replies: 420
Views: 145,526
Posted By G0ULI

Concours77 You may wish to revisit your...

Concours77

You may wish to revisit your figures.

The acceleration of an object in free fall under Earth's gravity is 32 feet per second, per second, or approximately 9.81 metres per second per...
Forum: Accidents and Close Calls
13th Jan 2018, 02:30
Replies: 420
Views: 145,526
Posted By G0ULI

Concours77 If we are to question the meaning...

Concours77

If we are to question the meaning of given words in the official report, reference should be made to the definitions contained in dictionaries that were contemporaneous or previous to...
Forum: Accidents and Close Calls
12th Jan 2018, 08:20
Replies: 420
Views: 145,526
Posted By G0ULI

The controversy over the report findings in this...

The controversy over the report findings in this case are as nothing to other events in the US (and elsewhere) which were filmed and broadcast live as they happened. If people choose not to believe...
Forum: Accidents and Close Calls
11th Jan 2018, 22:33
Replies: 420
Views: 145,526
Posted By G0ULI

I think I have accounted for a mechanism by which...

I think I have accounted for a mechanism by which that can happen in an earlier post. Did the engineers sit down and bother to work out how many Joules of precession energy were contained in the...
Forum: Accidents and Close Calls
11th Jan 2018, 02:30
Replies: 420
Views: 145,526
Posted By G0ULI

Concours 77 A very plausible scenario except...

Concours 77

A very plausible scenario except that in all the millions of hours these aircraft have flown since, no one has experienced this problem in the way you describe it. I am sure that there...
Forum: Accidents and Close Calls
10th Jan 2018, 01:20
Replies: 420
Views: 145,526
Posted By G0ULI

This was the only recorded accident involving an...

This was the only recorded accident involving an Electra that involved loss of aileron control. Whatever mitigating measures were adopted to prevent a recurrance were undoubtably successful, because...
Forum: Accidents and Close Calls
7th Jan 2018, 02:19
Replies: 420
Views: 145,526
Posted By G0ULI

Concours77 You have to log in and click on...

Concours77

You have to log in and click on the images to bring them up full resolution, full screen, or refer to a copy of Craig's report.
Forum: Accidents and Close Calls
7th Jan 2018, 02:08
Replies: 420
Views: 145,526
Posted By G0ULI

The CAB report records ground level as 650 feet...

The CAB report records ground level as 650 feet above mean sea level and the top of the embankment as being 675 feet. The embankment was only 25 feet high in relation to the surrounding terrain. That...
Forum: Accidents and Close Calls
6th Jan 2018, 10:46
Replies: 420
Views: 145,526
Posted By G0ULI

megan Thank you. I appreciate why the boost...

megan

Thank you. I appreciate why the boost unit could come under suspicion as a contributory factor. If I am not very much mistaken, there are parallels with the original Boeing 737 rudder...
Forum: Accidents and Close Calls
6th Jan 2018, 00:16
Replies: 420
Views: 145,526
Posted By G0ULI

Concours77 "You must know that the Captain...

Concours77

"You must know that the Captain was busy trying to recover left roll. He said so. Left roll was available, I have demonstrated that."

Clearly an aileron roll to the left, or even a...
Forum: Accidents and Close Calls
5th Jan 2018, 09:55
Replies: 420
Views: 145,526
Posted By G0ULI

Thank you megan. The 737 rudder hard over...

Thank you megan. The 737 rudder hard over incidents were the reverse situation but the principle is the same.
Forum: Accidents and Close Calls
5th Jan 2018, 01:16
Replies: 420
Views: 145,526
Posted By G0ULI

At the time of the accident I believe only a...

At the time of the accident I believe only a single cable loop was used in the aileron circuit. The design was subsequently modified to a dual cable or redundant system in all commercial aircraft...
Forum: Accidents and Close Calls
4th Jan 2018, 20:29
Replies: 420
Views: 145,526
Posted By G0ULI

Although there is reference to two cables, the...

Although there is reference to two cables, the cables actually formed a single loop terminating at each pilot's control yoke. The description of tension in the control cable is with reference to each...
Forum: Accidents and Close Calls
2nd Jan 2018, 15:21
Replies: 420
Views: 145,526
Posted By G0ULI

It is standard practice to estimate instrument...

It is standard practice to estimate instrument readings from the faint indentations left in the dial face at the moment of impact. The wing contact with the railroad embankment was unlikely to have...
Forum: Accidents and Close Calls
2nd Jan 2018, 10:55
Replies: 420
Views: 145,526
Posted By G0ULI

The older type vacuum-driven attitude indicators...

The older type vacuum-driven attitude indicators have bank limits of approximately 100° to 110°, and pitch limits of 60° to 70°. These limits are imposed by the mechanical construction of the...
Forum: Accidents and Close Calls
1st Jan 2018, 02:06
Replies: 420
Views: 145,526
Posted By G0ULI

The report states that a number of flights were...

The report states that a number of flights were sampled at random after the crash and the data examined and collated. The curves shown reflect the findings from all the sampled flights and other data...
Forum: Accidents and Close Calls
31st Dec 2017, 20:41
Replies: 420
Views: 145,526
Posted By G0ULI

The reports of the time were not wrong. They just...

The reports of the time were not wrong. They just do not contain the level of detail regarding the sequence of events after the initial impact with the railroad embankment that you wish to know.
...
Forum: Accidents and Close Calls
31st Dec 2017, 04:02
Replies: 420
Views: 145,526
Posted By G0ULI

I would suggest that as the nose impacted the...

I would suggest that as the nose impacted the ground and broke away, the forward part of the fuselage remaining dug in and inertia carried the rest of the aircraft up and over and into an inverted...
Forum: Accidents and Close Calls
30th Dec 2017, 12:06
Replies: 420
Views: 145,526
Posted By G0ULI

Just to reinforce what megan has stated, the nuts...

Just to reinforce what megan has stated, the nuts and bolts are tightened to a design torque as specified by the manufacturer of the aircraft. The safety wire is then inserted to guarantee that the...
Forum: Accidents and Close Calls
19th Dec 2017, 01:36
Replies: 420
Views: 145,526
Posted By G0ULI

From the photograph, I think it is safe to say...

From the photograph, I think it is safe to say that no substantial part of the aircraft contacted the trees on either side.

There are three possible reasons;
the aircraft was at a high angle...
Forum: Accidents and Close Calls
18th Dec 2017, 22:29
Replies: 420
Views: 145,526
Posted By G0ULI

Two points to mention regarding trees. The first...

Two points to mention regarding trees. The first is that any reasonably stout tree will resist any vehicular impact with the only damage being some stripped bark which regenerates in a few months. I...
Forum: Accidents and Close Calls
1st Dec 2017, 12:07
Replies: 420
Views: 145,526
Posted By G0ULI

The documents open just fine using an iPad.

The documents open just fine using an iPad.
Forum: Accidents and Close Calls
29th Nov 2017, 03:13
Replies: 420
Views: 145,526
Posted By G0ULI

Which is kind of the point I was making. A...

Which is kind of the point I was making. A largish object is photographed across the tracks and appears to have been removed from that location very quickly. There does not appear to be any...
Forum: Accidents and Close Calls
28th Nov 2017, 22:50
Replies: 420
Views: 145,526
Posted By G0ULI

What if the wing tip outboard of engine four was...

What if the wing tip outboard of engine four was the object left lying across the railroad tracks and the prop strikes were from engine four before it too broke away?

Would that significantly...
Showing results 1 to 35 of 74
 
Page 1 of 3
1
2
3


 
Forum Jump

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

Copyright © 2024 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.