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Search: Posts Made By: Machaca
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Forum: Rumours & News
8th Aug 2008, 18:07
Replies: 1,109
Views: 380,859
Posted By Machaca

According to NSEU (who puts his hands on QF oxy...

According to NSEU (who puts his hands on QF oxy cylinders regularly), QF's 744's are equipped with steel cylinders. The damage sustained on QF30 corroborates this, as composite cylinder failures at...
Forum: Rumours & News
8th Aug 2008, 00:54
Replies: 1,109
Views: 380,859
Posted By Machaca

From CASA's April 2006 AD on Inspection, Test and...

From CASA's April 2006 AD on Inspection, Test and Retirement of Compressed Gas Cylinders (http://www.casa.gov.au/airworth/airwd/ADfiles/EQUIP/GAS/GAS-001.pdf):



NSEU -- Does anything besides a...
Forum: Rumours & News
8th Aug 2008, 00:32
Replies: 1,109
Views: 380,859
Posted By Machaca

PickyPerkins Don't believe everything you read...

PickyPerkins
Don't believe everything you read too quickly :rolleyes: Yes, the stated volume of 115 cubic feet is the gas content (industry standard), not internal volume (2.4 cubic feet of O2...
Forum: Rumours & News
7th Aug 2008, 16:36
Replies: 1,109
Views: 380,859
Posted By Machaca

HotDog -- this may help: ...

HotDog -- this may help:


http://i337.photobucket.com/albums/n385/motidog/QF30-D2Rinout.jpg
Forum: Rumours & News
6th Aug 2008, 02:17
Replies: 1,109
Views: 380,859
Posted By Machaca

When the holes in the cheese line up you can make...

When the holes in the cheese line up you can make out the image of William of Ockham ;)
Forum: Rumours & News
5th Aug 2008, 21:54
Replies: 1,109
Views: 380,859
Posted By Machaca

Mech-prentice -- Assuming the cylinder ruptured...

Mech-prentice -- Assuming the cylinder ruptured prior to the hull breach then Volume 2 would be the pressurized fuselage, which was closer to 12 psi.

What about the potential energy?

The...
Forum: Rumours & News
1st Aug 2008, 10:20
Replies: 1,109
Views: 380,859
Posted By Machaca

Dodgy cylinder maintenance has happened before: ...

Dodgy cylinder maintenance has happened before:

http://www.ntsb.gov/Recs/letters/1995/A95_148.pdf

A review of the oxygen cylinder's maintenance records indicated that it had been serviced by...
Forum: Rumours & News
1st Aug 2008, 10:13
Replies: 1,109
Views: 380,859
Posted By Machaca

pacplyer Deep-drawn and hot-spun -- have a...

pacplyer

Deep-drawn and hot-spun -- have a look! (http://fr.youtube.com/watch?v=Z8R-I5I1Dgo)
Forum: Rumours & News
1st Aug 2008, 10:01
Replies: 1,109
Views: 380,859
Posted By Machaca

All Avox Systems lightweight steel 801307 series...

All Avox Systems lightweight steel 801307 series cylinders that apply to Boeing aircraft meet DOT 3HT-1850 regs.

Title 49: Transportation
PART 178—SPECIFICATIONS FOR PACKAGINGS


§ 178.44 ...
Forum: Rumours & News
1st Aug 2008, 08:11
Replies: 1,109
Views: 380,859
Posted By Machaca

Pacplyer Well, er, not quite. I did a...

Pacplyer



Well, er, not quite. I did a quick search a few days ago and found a similar incident from 2006 -- cylinder rupture & pressure hull penetration. I even shared it back in post #678...
Forum: Rumours & News
31st Jul 2008, 06:39
Replies: 1,109
Views: 380,859
Posted By Machaca

Lomapaseo -- was this what you had in mind? ...

Lomapaseo -- was this what you had in mind?

http://i337.photobucket.com/albums/n385/motidog/QF30-PathSTA810c.jpg


http://i337.photobucket.com/albums/n385/motidog/QF30-fusebuild3.jpg
Forum: Rumours & News
31st Jul 2008, 04:56
Replies: 1,109
Views: 380,859
Posted By Machaca

Rolling T-Bird -- good eye on the green stripe!...

Rolling T-Bird -- good eye on the green stripe! The oxy cylinder valve knob is metal with a molded green plastic cover that could have left such a mark.


SUB -- in one photo (poor quality) of...
Forum: Rumours & News
30th Jul 2008, 17:58
Replies: 1,109
Views: 380,859
Posted By Machaca

HotDog -- The missing cylinder resided vertically...

HotDog -- The missing cylinder resided vertically between stations 800 and 820. I do agree it would be nearly impossible for a cylinder to tip its top into the load area. Even if not strapped, the...
Forum: Rumours & News
30th Jul 2008, 03:45
Replies: 1,109
Views: 380,859
Posted By Machaca

If the failure was at the cylinder neck/valve...

If the failure was at the cylinder neck/valve assembly, then the equal/opposite reaction may have caused the cylinder to pivot at the upper strap mount, forcing the bottom towards the hull and either...
Forum: Rumours & News
30th Jul 2008, 01:50
Replies: 1,109
Views: 380,859
Posted By Machaca

Carleton composite cylinder and valve assembly...

Carleton composite cylinder and valve assembly (http://www.carltech.com/pdfs/200-003-902-B42365-1.pdf) (part number B42365-1):

Specifications: ...
Forum: Rumours & News
30th Jul 2008, 00:09
Replies: 1,109
Views: 380,859
Posted By Machaca

A previous cylinder failure and hull breach...

A previous cylinder failure and hull breach (http://www.aaib.dft.gov.uk/cms_resources/BAe%20146-300,%20G-JEBB%2006-06.pdf) in a BAe-146:During the approach a loud bang was heard by the
aircrew,...
Forum: Rumours & News
29th Jul 2008, 23:48
Replies: 1,109
Views: 380,859
Posted By Machaca

flynerd Composite cylinders have been in...

flynerd


Composite cylinders have been in aviation use for decades -- hardly an experiment. I wouldn't be surprised if this aircraft was delivered with them.

Besides oxygen supply, composite...
Forum: Rumours & News
28th Jul 2008, 22:06
Replies: 1,109
Views: 380,859
Posted By Machaca

An example of cylinder rupture fragments: ...

An example of cylinder rupture fragments:

http://i337.photobucket.com/albums/n385/motidog/Cyl-frag32.jpg
Forum: Rumours & News
28th Jul 2008, 00:20
Replies: 1,109
Views: 380,859
Posted By Machaca

BTNH Traditional oxygen cylinders are made...

BTNH

Traditional oxygen cylinders are made of steel -- bottom & top caps welded to a segment of tube. Composite cylinders are constructed of filament-wound carbon or aramid fibres over an...
Forum: Rumours & News
27th Jul 2008, 19:46
Replies: 1,109
Views: 380,859
Posted By Machaca

Snowfalcon2 The photo you reference...

Snowfalcon2

The photo you reference (thanks!) leads me to believe the bit of cloth with the letters STA in the incident photos is a portion of the beige nomex/pbi fire curtains with the station...
Forum: Rumours & News
27th Jul 2008, 19:23
Replies: 1,109
Views: 380,859
Posted By Machaca

http://i337.photobucket.com/albums/n385/motidog/QF...

http://i337.photobucket.com/albums/n385/motidog/QF30-Cargo-Hold-01.jpg



http://i337.photobucket.com/albums/n385/motidog/QF30-Cargo-Hold-03.jpg


...
Forum: Rumours & News
27th Jul 2008, 05:06
Replies: 1,109
Views: 380,859
Posted By Machaca

Peter -- great image! Pacplyer -- do you see...

Peter -- great image!

Pacplyer -- do you see a bottle end in the photo in post #393? I'm trying to see it, but I'm not making it out.

HotDog -- yes, the bottle supports which are the subject of...
Forum: Rumours & News
27th Jul 2008, 03:21
Replies: 1,109
Views: 380,859
Posted By Machaca

Lomapaseo ...

Lomapaseo

http://i337.photobucket.com/albums/n385/motidog/FrameStringers.jpg

Frames are the "hoops" that run the circumference of the fuselage, and to which the longitudinal stringers are...
Forum: Rumours & News
27th Jul 2008, 02:18
Replies: 1,109
Views: 380,859
Posted By Machaca

DEPARTMENT OF TRANSPORTATION Federal...

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2008-0410; Directorate Identifier 2007-NM-362-AD;
Amendment 39-15485; AD 2006-12-10 R1]

RIN...
Forum: Rumours & News
27th Jul 2008, 01:03
Replies: 1,109
Views: 380,859
Posted By Machaca

Sleeping Freight Dog -- a closer look shows no...

Sleeping Freight Dog -- a closer look shows no bottle under the earlier spotted (Broadreach & Leodis737) frame section that ended up inside and turned around:
...
Forum: Rumours & News
26th Jul 2008, 23:14
Replies: 1,109
Views: 380,859
Posted By Machaca

Example of pallet used on lower decks: ...

Example of pallet used on lower decks:

http://i337.photobucket.com/albums/n385/motidog/PAGpallet.jpg
Forum: Rumours & News
26th Jul 2008, 18:19
Replies: 1,109
Views: 380,859
Posted By Machaca

http://i337.photobucket.com/albums/n385/motidog/QF...

http://i337.photobucket.com/albums/n385/motidog/QF30_104051.jpg


http://i337.photobucket.com/albums/n385/motidog/QF30_104023.jpg
Showing results 1 to 27 of 27


 
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