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Search: Posts Made By: bobcat4
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Forum: Rumours & News
13th Mar 2009, 22:19
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

wiggy: Yes, in a way it was. But it...

wiggy:



Yes, in a way it was. But it was a very strange accident. They closed (and reversed) the left engine, but left the other one with climb power.

It wasn't a A/T auto-retard failure as...
Forum: Rumours & News
13th Mar 2009, 21:32
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Here we go again... :) Pardon me for not taking...

Here we go again... :) Pardon me for not taking any side. In one post I agree with you, in the next I go like this:

MU3001A wrote:



Well, first you have to be 100% sure that the output...
Forum: Rumours & News
13th Mar 2009, 19:13
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

MU3001A As Rainboe said: ...

MU3001A



As Rainboe said:

[automation]...that has worked fine for all the world for 25 years.........except for 1 flight.


Of course it is almost impossible to speak about "acceptable...
Forum: Rumours & News
13th Mar 2009, 17:26
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

lomapaseo Yes, I agree. We should not...

lomapaseo



Yes, I agree. We should not rule out technical flaws, but to fix them is far easier said that done. I have to admit I tried (as a layman) and jumped to this conclusion: "If...
Forum: Rumours & News
13th Mar 2009, 11:59
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Nigd3, :) Right! See you point. Still...

Nigd3,



:) Right! See you point. Still I doubt Rolls-Royce isn't in the same perfect shape as some thinks Boeing is... "Don't you think Rolls-Royce know how to make engines?", I can hear...
Forum: Rumours & News
13th Mar 2009, 10:15
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Rainboe wrote: Nigd3 wrote: ...

Rainboe wrote:



Nigd3 wrote:



History has proven Boeing (and others) makes mistakes like bad design. I can reel off many examples. The newest one:
Forum: Rumours & News
11th Mar 2009, 06:03
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

GlueBall: I know. I was just answering...

GlueBall:



I know. I was just answering Rainboes comment "Controllers do not fly or tell the pilot how to fly". Well, they does... Sometimes... When a MSAW alerts goes off. Wouldn't surprise...
Forum: Rumours & News
10th Mar 2009, 09:29
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Rainboe: Simple question: Why do we...

Rainboe:



Simple question: Why do we have MSAW?

Ah Sorry! Of course, you have no idea what MSAW is! It's NOT the controllers job to fly the aircraft. Hence, MSAW is unknown to you, or...
Forum: Rumours & News
8th Mar 2009, 21:00
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

jackharr: I see. Well, As far as I...

jackharr:



I see. Well, As far as I know the engines are not mounted in such way that they provide thrust that does not go through the center of mass. That means the thrust from the engines...
Forum: Rumours & News
8th Mar 2009, 18:07
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

jackharr wrote: As a non professional...

jackharr wrote:


As a non professional pilot, even I know that max power cannot be used at all stages of flight. The fist thing I thought of was an emergency descent after pressurization failure....
Forum: Rumours & News
8th Mar 2009, 17:37
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Rainboe wrote: You're right of course....

Rainboe wrote:



You're right of course. But one thing strikes me as "weird". If A/T is on power idle, the pilot pushes the throttle levers to full power, and A/T then goes to power idle, then...
Forum: Rumours & News
8th Mar 2009, 09:14
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Stall recover when fully back-trimed

I'm still curious about Safta's findings. Is it really non-recoverable when fully back-trimed? Anyone tried this in the sim (737NG)? Or even the poor mans sim like FSX (oh, now I risking my life...
Forum: Rumours & News
7th Mar 2009, 15:15
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

GlueBall: Ok, I see... You're referring...

GlueBall:


Ok, I see... You're referring to TAM Airlines Flight 3054 (PR-MBK) landing at Congonhas I guess. A strange accident. They did close throttle on one engine, but the other one was left...
Forum: Rumours & News
7th Mar 2009, 14:00
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

ant1: Forgot to retard manually?...

ant1:



Forgot to retard manually? Hmm... Is that really possible? Ok, I guess it is. Forgetting gear down is also possible. Anyway, it should not be a big deal. Forgetting to retard manually...
Forum: Rumours & News
7th Mar 2009, 11:46
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

BOAC, One can always argue that a CoG...

BOAC,



One can always argue that a CoG set way outside (forward) the envelope will not be dangerous because it's possible to back-trim the way it is on this aircraft. When just considering trim...
Forum: Rumours & News
7th Mar 2009, 10:20
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

deltayankee wrote: Although I...

deltayankee wrote:



Although I initially agreed to this I now have to drop it. Remember James Bond in GoldenEye from 1995? It opens with Bond breaking into a chemical weapons plant, then...
Forum: Rumours & News
7th Mar 2009, 10:08
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

BOAC wrote: Thanks. :) I do not agree...

BOAC wrote:



Thanks. :) I do not agree with the other software engineers saying it is just a matter of some extra lines of code. I would rather remove some lines of code.



Right!...
Forum: Rumours & News
7th Mar 2009, 08:38
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Profit Max wrote: Right! I still think...

Profit Max wrote:



Right! I still think it should be possible to apply some kind of sanity check here. Anyway, getting rid of auto-retard in a single channel approach is IMHO the best solution...
Forum: Rumours & News
6th Mar 2009, 21:24
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Come on... Going from +1950 to -8 feet in say...

Come on... Going from +1950 to -8 feet in say one second is 117480 feet per minute. Well, I would say that is a very impossible sink rate. Isn't that supersonic? Anyway, it not a normal condition....
Forum: Rumours & News
6th Mar 2009, 21:01
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

First: I do agree that the pilots is responsible...

First: I do agree that the pilots is responsible for flying.

Gegenbeispiel wrote:



But I've learned that that configuration (single channel approach) is prohibited. If it is (and I do not...
Forum: Rumours & News
6th Mar 2009, 15:24
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

wiggy wrote: I may fall in that...

wiggy wrote:



I may fall in that category. Not a professional pilot but a professional software developer. Anyway...

There is someting rather interesting about the Boeing vs. Airbus...
Forum: Rumours & News
4th Mar 2009, 14:42
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Cyberstreak said: I'm not a...

Cyberstreak said:



I'm not a professional pilot, but I am a professional software developer. What you say tells me the systems doesn't "talk" to each other.

AT thinks the aircraft has landed...
Forum: Rumours & News
3rd Mar 2009, 15:37
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

The Chaos theory (aka: the butterfly effect)

Rainboe:



I agree. The engines position is irrelevant. Like the balls in the lottery (lotto). They drop into the bowl from the exact same position every time, with the exact same velocity....
Forum: Rumours & News
3rd Mar 2009, 05:33
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Kinetic energy

mickrussom:



It's more like kinetic energy; Ek = 1/2 * m * v * v

80 knots ~ 41 m/s. Engine mass: 2400 kg. Ek ~ 2 Megajoule

Of course, not all that energy can be translated to forward...
Forum: Rumours & News
1st Mar 2009, 13:45
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

Electromagnetic radiation

Otto Nove Due wrote:



Right! The general rule (at least here in Norway) is that it's prohibited to use any equipment containing a transmitter or receiver. I can understand, to a degree (better...
Forum: Rumours & News
1st Mar 2009, 08:07
Replies: 2,906
Views: 1,450,454
Posted By bobcat4

ManaAdaSystem

Helios Airways Flight 522 was a 737-300 which made its first flight in December 1997. Cabin altitude warning/configuration take-off warning is not similar on the NG (IIRC).
Showing results 1 to 26 of 26


 
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