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Search: Posts Made By: Loose rivets
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Forum: Accidents and Close Calls
10th Mar 2024, 23:28
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Random, or all in one direction? The being...

Random, or all in one direction? The being "able to see a gap" loosely implies the latter.
Forum: Accidents and Close Calls
20th Feb 2024, 22:58
Replies: 1,950
Views: 935,727
Posted By Loose rivets

No, not really. I can just hear the dulcet...

No, not really. I can just hear the dulcet tones now. "Ere, just hold this down while I put a tie in. I've got to go and get some more @$^ing bolts."
Forum: Accidents and Close Calls
19th Feb 2024, 23:55
Replies: 1,950
Views: 935,727
Posted By Loose rivets

SRMman Yes, I recall. However, while I've done...

SRMman Yes, I recall. However, while I've done some 'just for fun' PAT tests involving Ideal Springs, your calculations and knowledge of the materials was well out of my pay scale. If it had been...
Forum: Accidents and Close Calls
18th Feb 2024, 15:12
Replies: 1,950
Views: 935,727
Posted By Loose rivets

No, in fact I know so little about the residual...

No, in fact I know so little about the residual sprung up-force despite all the calculations, that I still don't know what the door would do without restraint(s) of some kind. We've seen a feeler...
Forum: Accidents and Close Calls
17th Feb 2024, 22:29
Replies: 1,950
Views: 935,727
Posted By Loose rivets

I'm aware that among others I've locked horns...

I'm aware that among others I've locked horns with a good technician when I again become vociferous about that tie. It's not the strength but the angle of the loops. Has my brain finally failed or...
Forum: Accidents and Close Calls
9th Feb 2024, 21:58
Replies: 1,950
Views: 935,727
Posted By Loose rivets

SRMman, Indeed yes. I was going to post on...

SRMman,

Indeed yes. I was going to post on it, but already post too much of my 'lateral thinking'. :-(

Troubled by the woefully short roller pin, I wondered if the complex patterning of the...
Forum: Accidents and Close Calls
8th Feb 2024, 00:18
Replies: 1,950
Views: 935,727
Posted By Loose rivets

No, Magnis, don't count me in on this proposal. I...

No, Magnis, don't count me in on this proposal. I fear that anyone assuming that tie's circumference wouldn't rotate well north before exerting any significant tug would be severely disappointed.

...
Forum: Accidents and Close Calls
29th Jan 2024, 23:30
Replies: 1,950
Views: 935,727
Posted By Loose rivets

I've been guilty of obsessing about the minutia....

I've been guilty of obsessing about the minutia. I call it lateral thinking, though really, what's nagging me in this case is the big picture. I don't think, in fact I'm sure, that in the last 50...
Forum: Accidents and Close Calls
28th Jan 2024, 23:24
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Here the a plug seems to be biased to the right....

Here the a plug seems to be biased to the right. The left roller pin seems woefully short. The picture I posted needs a lot of zooming in but if you look very carefully at the 2nd picture, it shows...
Forum: Accidents and Close Calls
27th Jan 2024, 00:04
Replies: 1,950
Views: 935,727
Posted By Loose rivets

If I were fitting the top safety bolts, they...

If I were fitting the top safety bolts, they would be scarcely tight enough to damage the paint - and then backed off for the castelation. Those guide should not be crushed. The bottom one could...
Forum: Accidents and Close Calls
23rd Jan 2024, 14:30
Replies: 1,950
Views: 935,727
Posted By Loose rivets

One reason for 'merely' opening the plug/door was...

One reason for 'merely' opening the plug/door was to replace a seal. Well, good luck with doing that with a gap you can just get your hands into. Really opening it raised a shed full of paperwork.
...
Forum: Accidents and Close Calls
23rd Jan 2024, 12:43
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Firstly, is that from the exact same type? ...

Firstly, is that from the exact same type?

The shadow top left and down a bit is deceiving. I thought it was a smooth surface, but there must be an inset strip following the curvature of the hull....
Forum: Accidents and Close Calls
23rd Jan 2024, 00:22
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Frankly, I don't like my scenario. I did at...

Frankly, I don't like my scenario. I did at first, but almost deleted it before you posted. I like the concept of one item replacing 4 safety bolts but it still leaves the splitting issue which I...
Forum: Accidents and Close Calls
23rd Jan 2024, 00:01
Replies: 1,950
Views: 935,727
Posted By Loose rivets

No bolts scenario: Assuming the safety bolts were...

No bolts scenario: Assuming the safety bolts were never fitted, how did the plug stay in for all those flights?

I'm sill mulling over those splits between the outer skin of the plug and the plug...
Forum: Accidents and Close Calls
18th Jan 2024, 02:11
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Except that it's a plug, not a door.

Except that it's a plug, not a door.
Forum: Accidents and Close Calls
17th Jan 2024, 11:46
Replies: 1,950
Views: 935,727
Posted By Loose rivets

TryingToLearn Just a small nit-pick. MCAS...

TryingToLearn

Just a small nit-pick. MCAS didn't fail. At all times the software did exactly what it was written to do. The vane failures happened to parts that were at the time NOT...
Forum: Accidents and Close Calls
15th Jan 2024, 22:55
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Using Oro-o's picture with red lines, I can't...

Using Oro-o's picture with red lines, I can't help but ponder the possibility of those separation cracks having been there for some time. Note the seal marks on the top of the door. Slight but...
Forum: Accidents and Close Calls
15th Jan 2024, 00:07
Replies: 1,950
Views: 935,727
Posted By Loose rivets

I think the vital thing to notice is just how...

I think the vital thing to notice is just how slight the deformation of the out edge of the guide is. i.e., it really spells out just how short the roller/pin is compared to the available depth.
Forum: Accidents and Close Calls
12th Jan 2024, 16:54
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Something just doesn't seem right about that...

Something just doesn't seem right about that hinge assembly.

my bold.

That nylon type material has to slide over the black hinge pins, therefore the holes though them must be very nearly as...
Forum: Accidents and Close Calls
12th Jan 2024, 00:28
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Test question. Where's the pin, split or cotter?...

Test question. Where's the pin, split or cotter?


EXDAC


If I were charged with the problem, I'd be outside on a hoist holding a big straight-edge against the hull. I'd phone my mate...
Forum: Accidents and Close Calls
10th Jan 2024, 22:34
Replies: 1,950
Views: 935,727
Posted By Loose rivets

I suppose it's possible that during transit doors...

I suppose it's possible that during transit doors and plugs might well follow different rules. However, it's been stated that the plugs were removed to facilitate the loading of seats etc., so the...
Forum: Accidents and Close Calls
10th Jan 2024, 10:43
Replies: 1,950
Views: 935,727
Posted By Loose rivets

incompleteness. Interesting. However, this...

incompleteness. Interesting. However, this business of those washers with the two phosphor-bronze nuts.



If I was looking at that anew, I'd just say there is no chance those parts are...
Forum: Accidents and Close Calls
10th Jan 2024, 08:46
Replies: 1,950
Views: 935,727
Posted By Loose rivets

The indication of sliding movement on that black...

The indication of sliding movement on that black tubular hinge fitting maybe left from the nylon type material, but I think it's reflection. Not sure

I flatly discounted the elongated holes at...
Forum: Accidents and Close Calls
9th Jan 2024, 18:12
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Dave, that makes sense. ...

Dave, that makes sense.

-----------------------------

To me, the use of lock washers has always been an issue even with ordinary engineering. The ones that really bite are probably too...
Forum: Accidents and Close Calls
9th Jan 2024, 16:53
Replies: 1,950
Views: 935,727
Posted By Loose rivets

It's over exposed, but the photo with Bob and...

It's over exposed, but the photo with Bob and Jennifer Homendy shows the one of the guides, and it looks damaged. Not sure.


Oh, I normally don't gush about these things, but super kudos to the...
Forum: Accidents and Close Calls
9th Jan 2024, 16:39
Replies: 1,950
Views: 935,727
Posted By Loose rivets

EXDAC I think that's a very real...

EXDAC

I think that's a very real scenario. The metal casing really isn't very thick and the safety bolt hole takes away more of the substance to the guide. Getting thumped by the roller pin...
Forum: Accidents and Close Calls
8th Jan 2024, 22:37
Replies: 1,950
Views: 935,727
Posted By Loose rivets

It would, but how the Dickens would it get into...

It would, but how the Dickens would it get into place while compressing the seals?

Dave asked:-

Yes, so am I. It suggests the seals guide the (about face) plug to centre it. I can't see the...
Forum: Accidents and Close Calls
8th Jan 2024, 13:55
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Something is prompting the NTSB boss to...

Something is prompting the NTSB boss to photograph it. I imagine the denuded view will be somewhat interesting.

Not the boss, the plug!
Forum: Accidents and Close Calls
8th Jan 2024, 12:30
Replies: 1,950
Views: 935,727
Posted By Loose rivets

fdr's post of historic incident with Boeing and...

fdr's post of historic incident with Boeing and their sub contractors. Indeed, the latter was caught with their pants down on a Swat style inspection. The specifications for those rings was to an...
Forum: Accidents and Close Calls
8th Jan 2024, 01:21
Replies: 1,950
Views: 935,727
Posted By Loose rivets

My first jet course was in the mid 60's. I've...

My first jet course was in the mid 60's. I've spent the rest of the time thinking a plug fit was a door that is pushed outward by pressure and plugs the hole. i.e., the BAC 1-11 had a front door...
Forum: Accidents and Close Calls
7th Jan 2024, 23:27
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Flynerd You're looking straight at the locking...

Flynerd You're looking straight at the locking bolt, end on. I'd imagine the centre hole is a machine turning indent, though I'm surprised it's there at all.


The length of that roller pin is...
Forum: Accidents and Close Calls
7th Jan 2024, 18:08
Replies: 1,950
Views: 935,727
Posted By Loose rivets

It would seem from his post that the bottom two...

It would seem from his post that the bottom two bolts would also have to be missing to allow the roller pins to move down the guide tracks.

However, if they were, the lift springs would allow the...
Forum: Accidents and Close Calls
7th Jan 2024, 17:35
Replies: 1,950
Views: 935,727
Posted By Loose rivets

Is there confusion between "sheared bolts" and...

Is there confusion between "sheared bolts" and permanently inserted steel surface pressure-bearing rods set into the castings?


Note the two rods that slide in the casting with the lock bolts (or...
Forum: Accidents and Close Calls
7th Jan 2024, 01:13
Replies: 1,950
Views: 935,727
Posted By Loose rivets

BAC 1-11. Do you remember the g lock on the front...

BAC 1-11. Do you remember the g lock on the front door?


The door had a myriad flat plates, as did the frame. To open outwards the door lifted first and thus required the g lock for safety.
Showing results 1 to 34 of 34


 
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