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Search: Posts Made By: SRMman
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21st Mar 2024, 16:14
Replies: 704
Views: 195,867
Posted By SRMman

I agree. The A330 in “normal law” would not have...

I agree. The A330 in “normal law” would not have stalled, the EFCS prevents it whatever the pilots do. But AF447 encountered icing conditions causing pitot tube icing that resulted in autopilot...
17th Mar 2024, 14:58
Replies: 10,329
Views: 4,607,254
Posted By SRMman

At least they had covers on them…..well, covers...

At least they had covers on them…..well, covers with splits!
9th Mar 2024, 13:43
Replies: 1,950
Views: 928,978
Posted By SRMman

No Door Plug Documents Found, Boeing Says

https://www.reuters.com/business/aerospace-defense/boeing-says-no-documents-found-737-max-9-key-part-removal-2024-03-09/#:~:text=WASHINGTON%2C%20March%208%20(Reuters),a%20letter%20seen%20by%20Reuters.
5th Mar 2024, 20:43
Replies: 12
Views: 4,763
Posted By SRMman

I’ve found this, doesn’t look like enough damage...

I’ve found this, doesn’t look like enough damage to bring down the Cessna.

https://cimg2.ibsrv.net/gimg/pprune.org-vbulletin/229x220/img_0032_c4696c1f492fd3aa1a7a3addcdf604198b74692d.png
5th Mar 2024, 10:12
Replies: 12
Views: 4,763
Posted By SRMman

Nairobi National Park Midair Collision

"At least two people were killed after two planes collided at the Nairobi National Park, police said.

About 44 others escaped unhurt in the Tuesday morning incident. The incident involved a Dash 8...
4th Mar 2024, 14:52
Replies: 10,329
Views: 4,607,254
Posted By SRMman

For the uneducated, what was the Bradley firing?

For the uneducated, what was the Bradley firing?
4th Mar 2024, 13:28
Replies: 10,329
Views: 4,607,254
Posted By SRMman

“Latest package from sweden included “underwater...

“Latest package from sweden included “underwater weapons”, torpedo 47 from SAAB weights 340kg. USV would need some modifications, but probably doable with some Ukrainian ingenuity.”

I’m sure...
28th Feb 2024, 14:30
Replies: 704
Views: 195,867
Posted By SRMman

Ah, thanks, understand now. Got to agree...

Ah, thanks, understand now.

Got to agree with you about the press reporting of pretty much all things aviation, complete joke (but not funny). I wish I could remember some of the nonsense that Sky...
28th Feb 2024, 13:37
Replies: 704
Views: 195,867
Posted By SRMman

Lady Speedbird, well, I’m going to own up, I...

Lady Speedbird, well, I’m going to own up, I haven’t a clue what you’re talking about.

You talk about a UAL 757 incident and then almost in the same breath “the” Air France incident, closely...
21st Feb 2024, 16:36
Replies: 1,950
Views: 928,978
Posted By SRMman

Exactly that. In fact, I would pose the question:...

Exactly that. In fact, I would pose the question: “why wouldn’t the springs hold the plug door fully up”?

What would be the advantage of having the door floating (say) half way up the spring...
19th Feb 2024, 17:10
Replies: 1,950
Views: 928,978
Posted By SRMman

I’d made the case back in post #1724 that the...

I’d made the case back in post #1724 that the springs exert a greater force than the door weight, and that the door is consequentially held fully up, with no floating on the springs.
10th Feb 2024, 15:30
Replies: 1,950
Views: 928,978
Posted By SRMman

Maybe so, but it’s interesting, isn’t it!!

Maybe so, but it’s interesting, isn’t it!!
10th Feb 2024, 07:45
Replies: 1,950
Views: 928,978
Posted By SRMman

Mechengr Thank you! As I looked at the...

Mechengr
Thank you! As I looked at the photograph I'd conveniently forgotten the very significant resistive reaction at the only significant point of load application, the end of the roller! As you...
9th Feb 2024, 15:40
Replies: 1,950
Views: 928,978
Posted By SRMman

Anyone else puzzled by the fracture surfaces and...

Anyone else puzzled by the fracture surfaces and mode of failure? As the unrestrained plug door finally moved upwards that last bit to the point where the stop pad fittings were no longer in line...
8th Feb 2024, 18:52
Replies: 1,950
Views: 928,978
Posted By SRMman

Ref #1737, Interesting point. But one assumes for...

Ref #1737, Interesting point. But one assumes for the plug to move outwards the stop pads would have had to move passed and cleared their stop fittings, I’m not sure exactly where the roller pin...
8th Feb 2024, 16:50
Replies: 1,950
Views: 928,978
Posted By SRMman

I agree, Post#1211 & 1671.

I agree, Post#1211 & 1671.
8th Feb 2024, 16:40
Replies: 1,950
Views: 928,978
Posted By SRMman

Yes, I believe the springs do exert a force...

Yes, I believe the springs do exert a force greater than the plug weight. See Post #1671, where I suggested this as a reason:

“With the door held fully up by the springs there is a certainty that...
7th Feb 2024, 13:32
Replies: 1,950
Views: 928,978
Posted By SRMman

Lift Assist Springs

I remain unconvinced that the lift assist springs force is insufficient to raise the door/plug to its fullest amount.

In my earlier post #1211 of an analysis based on Chris Brady's video of the...
5th Feb 2024, 10:58
Replies: 704
Views: 195,867
Posted By SRMman

Not sure if this NYT article has been posted… ...

Not sure if this NYT article has been posted…

https://www.nytimes.com/2024/02/03/business/dealbook/boeing-culture.html
5th Feb 2024, 10:31
Replies: 1,950
Views: 928,978
Posted By SRMman

Another problem

The Independent reporting ‘another problem with 737 jets”, misdrilled holes in fuselages.

https://www.independent.co.uk/news/boeing-737-jets-max-9-b2490584.html
31st Jan 2024, 16:40
Replies: 704
Views: 195,867
Posted By SRMman

Boeing chief admits 'serious challenge' ahead

https://www.bbc.co.uk/news/business-68157266

Here we go.
30th Jan 2024, 13:28
Replies: 704
Views: 195,867
Posted By SRMman

And a very pertinent comment to the AWST article:...

And a very pertinent comment to the AWST article:

”PALADIN
Tue, 01/30/2024 - 14:00
You absolutely nailed it Jens. It looks like it's up to the share holders to fix this. The big lesson for the...
27th Jan 2024, 12:14
Replies: 1,950
Views: 928,978
Posted By SRMman

Yes, in my book!

Yes, in my book!
27th Jan 2024, 12:10
Replies: 1,950
Views: 928,978
Posted By SRMman

No, perhaps I should have specifically said...

No, perhaps I should have specifically said finger tight - we all know what that means.
26th Jan 2024, 15:07
Replies: 1,950
Views: 928,978
Posted By SRMman

l’d be surprised if these lock bolts were...

l’d be surprised if these lock bolts were required to be “torqued” at all. For me to torque a bolt (or nut) is to apply a specific clamping load, using a torque spanner to achieve a particular lb.ft...
25th Jan 2024, 08:04
Replies: 1,950
Views: 928,978
Posted By SRMman

Going back to my earlier post 1257, I'd...

Going back to my earlier post 1257, I'd facetiously suggested that Boeing should increase the lift springs rate such that the door guide track fittings MUST be forcibly held down to insert the...
25th Jan 2024, 07:36
Replies: 704
Views: 195,867
Posted By SRMman

Hmmm, I don’t think so. The A380 development...

Hmmm, I don’t think so.

The A380 development costs were apparently €9.5 billion, and following your link - or this link:...
24th Jan 2024, 15:33
Replies: 1,950
Views: 928,978
Posted By SRMman

From Flight Global: Boeing is to pause...

From Flight Global:

Boeing is to pause production and delivery of its 737 Max aircraft on 25 January, as it calls a “quality stand down” amid ongoing quality-control issues.

The airframer...
24th Jan 2024, 15:07
Replies: 1,950
Views: 928,978
Posted By SRMman

And there was that Reuters article 13th Jan, ref...

And there was that Reuters article 13th Jan, ref my #923
24th Jan 2024, 08:58
Replies: 1,950
Views: 928,978
Posted By SRMman

Apologising in advance for thread drift, I don't...

Apologising in advance for thread drift, I don't think the Avro Lancaster had a "life" per se, but its survival rate averaged at 21 operational sorties. I was involved with one of the survivors PA474...
24th Jan 2024, 08:10
Replies: 1,950
Views: 928,978
Posted By SRMman

Rivet Rework

Another snippet from throwawayboeing's post I found astonishing was the bit about the rivets:

“We now return to our incident aircraft, which was written up for having defective rivets on the LH...
24th Jan 2024, 07:59
Replies: 1,950
Views: 928,978
Posted By SRMman

Simple answer to your 3 questions: 1. Very...

Simple answer to your 3 questions:
1. Very alarming
2. Certainly not
3. Absolutely not
23rd Jan 2024, 09:01
Replies: 1,950
Views: 928,978
Posted By SRMman

Yes, I'd wondered that. There was at least one...

Yes, I'd wondered that. There was at least one photo of an untightened hinge guide fitting bolt.
23rd Jan 2024, 08:45
Replies: 1,950
Views: 928,978
Posted By SRMman

Europa01, thanks, you're quite right! I should...

Europa01, thanks, you're quite right! I should have said pulled (inwards); I will amend my original post. But just regarding your last bit about the stop pins and pads, I'm not sure the shape of the...
22nd Jan 2024, 13:44
Replies: 1,950
Views: 928,978
Posted By SRMman

Yes, I wasn’t trying to show how this particular...

Yes, I wasn’t trying to show how this particular incident happened, just the general case of how the door is supposed to close. I agree AS1282 was in the title!
Showing results 1 to 35 of 132
 


 
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