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Search: Posts Made By: areobat
Showing results 1 to 35 of 44
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Forum: Rumours & News
9th Nov 2015, 13:42
Replies: 2,082
Views: 2,499,101
Posted By areobat

Exactly. And this made me wonder if there was an...

Exactly. And this made me wonder if there was an uncontained engine failure that started things off. Could bits of hot flying turbine parts could have ignited the center fuel tank and also created...
Forum: Rumours & News
25th Mar 2015, 14:09
Replies: 3,543
Views: 5,624,426
Posted By areobat

ACARS sat data? I believe that cabin altitude is...

ACARS sat data? I believe that cabin altitude is a transmitted parameter. If this stayed WNL for the last segment of the flight, then decompression could be ruled out.
Forum: Rumours & News
1st Feb 2015, 13:21
Replies: 3,923
Views: 4,482,263
Posted By areobat

Would this be a plausible scenario in an Airbus? ...

Would this be a plausible scenario in an Airbus? The FAC for whatever reason (malfunction, stuck AOA sensor, etc.) was commanding ELAC to command the elevator to nose down and the PF pulled the...
Forum: Rumours & News
6th Jan 2015, 02:26
Replies: 3,923
Views: 4,482,263
Posted By areobat

While you can't blame these crashes on the...

While you can't blame these crashes on the aircraft, I do think there were issues with the man-machine interface on both aircraft that contributed to each.
Forum: Biz Jets, Ag Flying, GA etc.
1st Jul 2014, 17:39
Replies: 248
Views: 118,363
Posted By areobat

I noted the discussion on the wetlands beyond the...

I noted the discussion on the wetlands beyond the runway. I live little over a mile from Hanscom and very close to the Shawsheen river itself, and it is true that the local authorities would never...
Forum: Biz Jets, Ag Flying, GA etc.
16th Jun 2014, 16:13
Replies: 248
Views: 118,363
Posted By areobat

I'm sure that is true when the aircraft is either...

I'm sure that is true when the aircraft is either not moving or moving slowly and the air pressure on the control surfaces is zero or near zero. But what happens around Vr speeds when the...
Forum: Biz Jets, Ag Flying, GA etc.
15th Jun 2014, 14:32
Replies: 248
Views: 118,363
Posted By areobat

I was thinking cable problem, but not the yolk to...

I was thinking cable problem, but not the yolk to elevator cable, rather, the cable the actuates the pin on the elevator lock. If this cable were damaged and/or mis-adjusted, the locking pin may...
Forum: Rumours & News
26th Mar 2014, 23:59
Replies: 11,831
Views: 24,314,617
Posted By areobat

If you assume for the moment that the suspect...

If you assume for the moment that the suspect fire bottle is indeed from MH370, is there a possible scenario wherein the fire bottle was ejected by some some sort of explosion/fire on board yet the...
Forum: Rumours & News
13th Mar 2014, 18:48
Replies: 11,831
Views: 24,314,617
Posted By areobat

What is the maximum recording time for the FDR...

What is the maximum recording time for the FDR and/or CVR on a 777? It occurred to me that if MH370 indeed flew on for several more hours after the incident (whatever it was) that the relevant...
Forum: Rumours & News
9th Mar 2014, 23:59
Replies: 11,831
Views: 24,314,617
Posted By areobat

Isn't this the same group that couldn't find...

Isn't this the same group that couldn't find AF447?
Forum: Computer/Internet Issues & Troubleshooting
16th Dec 2013, 18:23
Replies: 40
Views: 5,050
Posted By areobat

BOAC - The viglink "opt out" function sets a...

BOAC - The viglink "opt out" function sets a no-track cookie and so depends on cookie persistence to tell a viglink using site not to insert the viglink redirection. I do not permit cookies to...
Forum: Computer/Internet Issues & Troubleshooting
16th Dec 2013, 02:32
Replies: 40
Views: 5,050
Posted By areobat

Yes, indeed, I had something to do with the...

Yes, indeed, I had something to do with the script on the MB forum (I am a senior member there), although I did not write that actual script. Another member stepped up and did the heavy lifting...
Forum: Computer/Internet Issues & Troubleshooting
15th Dec 2013, 17:50
Replies: 40
Views: 5,050
Posted By areobat

I think the problem you are having is that this...

I think the problem you are having is that this site is infected with the viglink virus. Or at least, that's what I call it. Viglink is tracker the follows you to other sites and for certain sites,...
Forum: Tech Log
19th Aug 2013, 15:47
Replies: 1,033
Views: 503,171
Posted By areobat

If it helps, the typical utility pole for...

If it helps, the typical utility pole for 12.47/7.2KV Wye primary service (which is what this appears to be) is 45 feet with about 6 feet of that buried in the ground. This would make the primary...
Forum: Tech Log
15th Aug 2013, 15:11
Replies: 1,033
Views: 503,171
Posted By areobat

There has been discussion about Harold and Maude...

There has been discussion about Harold and Maude seeing the plane on fire or hearing sputtering, and I agree, you almost always get "witnesses" that say that. In this case, I think there may be some...
Forum: Rumours & News
2nd Jul 2013, 16:59
Replies: 60
Views: 25,796
Posted By areobat

Spirit management will probably want to charge...

Spirit management will probably want to charge pax extra for this service.
Forum: Rumours & News
8th Jun 2013, 13:48
Replies: 36
Views: 31,555
Posted By areobat

From the additional pictures it looks like the...

From the additional pictures it looks like the left engine came to rest off the hard tarmac in the soft dirt shoulder. In photo No. 4 it appears like the lower part of the engine nacelle is...
Forum: Accidents and Close Calls
7th Jun 2013, 00:14
Replies: 752
Views: 608,195
Posted By areobat

I agree that this is an important consideration...

I agree that this is an important consideration because the tension in the straps is a non-linear function of the attachment geometry. If I remember my physics correctly, for a restraint attached at...
Forum: Accidents and Close Calls
5th Jun 2013, 12:45
Replies: 752
Views: 608,195
Posted By areobat

Sabotage . . ?

Sabotage . . ?
Forum: Rumours & News
16th May 2013, 01:40
Replies: 1,316
Views: 402,342
Posted By areobat

Sorry, I should have been more accurate with my...

Sorry, I should have been more accurate with my description. But I think the false feedback effect would be the same - hear warning, take some action, warning stops, conclusion = action successful. ...
Forum: Rumours & News
15th May 2013, 21:43
Replies: 1,316
Views: 402,342
Posted By areobat

I wanted to post this a while back, but didn't have a chance to . . .

But as long as this thread is seeing activity again, there are two things I wanted suggest as things I see as factors in AF447 - and both of them are design related.

The first has been discussed...
Forum: Rumours & News
22nd Apr 2013, 01:10
Replies: 2,185
Views: 1,034,097
Posted By areobat

Where there's smoke, there's fire. Even if it...

Where there's smoke, there's fire. Even if it is now contained in a steel box.
Forum: Tech Log
12th Apr 2013, 14:36
Replies: 74
Views: 28,016
Posted By areobat

It is indeed, totally possible! The SMS protocol...

It is indeed, totally possible! The SMS protocol was adapted so that people could send point to point text messages, but was originally designed into cell phones as a control protocol, a function it...
Forum: Tech Log
12th Apr 2013, 01:45
Replies: 74
Views: 28,016
Posted By areobat

One of the basic problems with code written these...

One of the basic problems with code written these days is variable range checking. It takes coding time to write the code, CPU time to execute it, and engineering time to validate it. As code...
Forum: Tech Log
11th Apr 2013, 21:48
Replies: 74
Views: 28,016
Posted By areobat

I think a well placed, high power ground...

I think a well placed, high power ground transmitter could easily overcome a more distant "legitimate" transmitters.

Even though this discussion has been focused on the ground/air links, I...
Forum: Tech Log
11th Apr 2013, 20:24
Replies: 74
Views: 28,016
Posted By areobat

No one thought that it was possible to remotely...

No one thought that it was possible to remotely make 30 non-externally networked ultra high speed centrifuges located inside a super secret, hardened nuclear processing facility operated by country...
Forum: Tech Log
11th Apr 2013, 13:55
Replies: 74
Views: 28,016
Posted By areobat

I just read this over the The Register and I...

I just read this over the The Register and I suspect that everything he says is possible is indeed possible. These systems were designed with the assumption that both the transmitting device and the...
Forum: Rumours & News
2nd Apr 2013, 01:05
Replies: 2,185
Views: 1,034,097
Posted By areobat

My car has "always-live" convenience outlets...

My car has "always-live" convenience outlets (e.g., the ubiquitous cigarette lighter plugs) which incorporate a protective monitoring circuit that keeps them live, but disconnects them before the...
Forum: Tech Log
12th Feb 2013, 16:04
Replies: 1,100
Views: 262,806
Posted By areobat

SoS - There is a physical barrier between...

SoS -

There is a physical barrier between cells 2 & 3 and cells 6 & 7, however, only a small air gap separates cells 1 & 2, cells 3 & 4, cells 5 & 6, and cells 7 & 8. I guess that could limit...
Forum: Tech Log
12th Feb 2013, 02:49
Replies: 1,100
Views: 262,806
Posted By areobat

One thing that I find interesting - shocking...

One thing that I find interesting - shocking really - is that from the pictures of the intact battery, there appears to be no attempt to provide a thermal barrier between the individual cells. This...
Forum: Rumours & News
9th Feb 2013, 13:45
Replies: 2,185
Views: 1,034,097
Posted By areobat

One potential failure mode occurred to me this...

One potential failure mode occurred to me this morning as I was enjoying the blizzard. Perhaps the battery failures are related to pressure cycling. Since the batteries are normally sealed, each...
Forum: Rumours & News
3rd Feb 2013, 15:59
Replies: 2,185
Views: 1,034,097
Posted By areobat

I saw this article in the Harvard Business Review...

I saw this article in the Harvard Business Review that goes into some of the business / corporate reasons why Boeing and the 787 find themselves where they are. One can see how the design strategy...
Forum: Rumours & News
24th Jan 2013, 23:14
Replies: 266
Views: 118,135
Posted By areobat

Think of it as a piece of living history :) ...

Think of it as a piece of living history :)

BTW, large, fixed speed wind generators tend to have a low plant capacity factor - I'll bet that it is not running more often than it is running when...
Forum: Rumours & News
24th Jan 2013, 22:42
Replies: 266
Views: 118,135
Posted By areobat

O.T. reply

syseng68k:

Except for some very small wind generators and a few newer designs, they use step up transmissions to match rotor speed to motor speed. At the time I was working with them, induction...
Forum: Rumours & News
24th Jan 2013, 15:19
Replies: 266
Views: 118,135
Posted By areobat

Back in the dark ages (when I had a brain that...

Back in the dark ages (when I had a brain that worked) I used to design AC-DC-AC power conversion systems for very large wind generation systems which were by their nature variable speed/frequency...
Showing results 1 to 35 of 44
 
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