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Search: Posts Made By: Noise Unit
Showing results 1 to 35 of 35
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Forum: Spectators Balcony (Spotters Corner)
15th Aug 2004, 17:00
Replies: 0
Views: 826
Posted By Noise Unit

Friday 13th - Just Curious

On Friday 13th about 2000, I saw a 767 (possibly) flying 3-4 orbits over the TRENT VOR with its gear down before heading off toward MAN.

I assume it burning fuel to get down to MLW before landing...
Forum: Tech Log
3rd Aug 2004, 12:30
Replies: 24
Views: 11,177
Posted By Noise Unit

I guess what is required is an engine indicating...

I guess what is required is an engine indicating system based on EPR (or something similar) to better measure thrust, but where the 'EPR' is displayed as a % of the maximum.

This way you get a...
Forum: Tech Log
25th Jul 2004, 18:28
Replies: 26
Views: 10,949
Posted By Noise Unit

Ever blown across the top of a beer bottle? ...

Ever blown across the top of a beer bottle?

I understand that much work was performed to fix this issue, but that a repeatable solution was not forthcoming.

1st time I heard it, I thought the...
Forum: Tech Log
22nd Jul 2004, 18:43
Replies: 42
Views: 12,866
Posted By Noise Unit

I'm afraid to say that this whole waste of heat...

I'm afraid to say that this whole waste of heat as it is obsolete.

The news about the A380 NIP is years out of date and the NIP is a done deal through completed engine design and airframe...
Forum: Airlines, Airports & Routes
12th May 2004, 14:59
Replies: 2
Views: 1,059
Posted By Noise Unit

Emirates 2/3 class A330-200 routes

Is there any differentiation between the routes flown by the Emirates 2 and 3 class A330-200s?
Forum: Questions
10th May 2004, 06:51
Replies: 14
Views: 1,832
Posted By Noise Unit

When plans for the 'Chronic Boozer' were shelved,...

When plans for the 'Chronic Boozer' were shelved, the 'Super Efficient Aircraft' tag was used to describe what became the 7E7.

So, my own take is that E stands for Efficient.

Whatever it...
Forum: Tech Log
20th Feb 2004, 19:51
Replies: 17
Views: 2,373
Posted By Noise Unit

Bleed air is expensive. You've already paid (in...

Bleed air is expensive. You've already paid (in fuel and hence cash) to compress and heat the air and then you're dumping the heat into the spinner. There is also less air to push out the back.
...
Forum: Tech Log
19th Feb 2004, 19:48
Replies: 17
Views: 2,373
Posted By Noise Unit

Agree with Gas Path Remember that an...

Agree with Gas Path

Remember that an important part of engine cert involves the engine swallowing substantial quantities of ice fragments, to represent a hail storm. The 'hail' will also have...
Forum: Tech Log
10th Feb 2004, 16:06
Replies: 13
Views: 5,221
Posted By Noise Unit

RAT 5 Best source of information on this is...

RAT 5

Best source of information on this is the Boeing TakeOff Safety Training Aid or Boeing's FlightOps course (I assume Airbus do something similar)


Need to be careful with definitions...
Forum: Tech Log
10th Feb 2004, 15:44
Replies: 17
Views: 2,424
Posted By Noise Unit

Genghis wrote 'Can you imagine the task of...

Genghis wrote

'Can you imagine the task of installing a bigger engine in a DH Comet.'

You do not need to imagine it, it's almost real and called putting the BR715 into the Nimrod....:O
Forum: Tech Log
6th Jan 2004, 16:37
Replies: 18
Views: 11,933
Posted By Noise Unit

Prof2MDA With regards the A380 - the...

Prof2MDA

With regards the A380 - the following link should provide much of the information you require (particularly chaps 4 & 9).


http://www.airbus.com/product/a380_planning.asp

There are...
Forum: Tech Log
26th Nov 2003, 22:54
Replies: 3
Views: 3,203
Posted By Noise Unit

Flight above 40,000ft

Fact or Fiction?

On commercial flights, when an aircraft is being operated above 40,000ft at least one of the flight crew should be wearing an oxygen mask (with it turned on).
Forum: Tech Log
26th Nov 2003, 22:51
Replies: 5
Views: 1,170
Posted By Noise Unit

B-HLQ I Agree Airbus use the following...

B-HLQ

I Agree

Airbus use the following nomencalture for the numbers after the -

1st number is series, e.g. -200
2nd is engine manufacturer, 0= GE,1= CFMi, 2=PW, 3= IAE, 4=RR, 5 = EA (maybe)...
Forum: Tech Log
20th Nov 2003, 19:20
Replies: 8
Views: 1,426
Posted By Noise Unit

I too have seen some places defining the start of...

I too have seen some places defining the start of the stratosphere as 20km (66kft), but my understanding of the ISA is that the stratosphere starts at the tropopause (11km or 36089ft), and this gets...
Forum: Rumours & News
20th Nov 2003, 18:04
Replies: 21
Views: 7,712
Posted By Noise Unit

What engine type; GE90 or T800?

What engine type; GE90 or T800?
Forum: Tech Log
20th Nov 2003, 17:59
Replies: 8
Views: 1,426
Posted By Noise Unit

Now I am not an expert, but do have an opinion. ...

Now I am not an expert, but do have an opinion.

While I agree with much of what has been said above, I believe that the main reason that commercial aviation has been under pressure is that the...
Forum: Tech Log
4th Nov 2003, 16:58
Replies: 10
Views: 16,027
Posted By Noise Unit

3 points. 1) The leading edge of subsonic...

3 points.

1) The leading edge of subsonic aerofoils is rounded. As the angle of attack is changed, the stagnation point moves around this leading edge changing the relative distances to the...
Forum: Tech Log
9th Sep 2003, 15:36
Replies: 16
Views: 2,025
Posted By Noise Unit

wsherif1 I enjoyed your argument, but does...

wsherif1

I enjoyed your argument, but does it mean that the crew & pax of all the supertankers and floating gin palaces that cross the Pacific (and any other ocean) need to be worried about their...
Forum: Tech Log
28th Aug 2003, 16:02
Replies: 31
Views: 6,012
Posted By Noise Unit

tcr2 There could be a number of reasons for...

tcr2

There could be a number of reasons for the apparent difference between BA & SIA744 take-off rolls at LHR.

Some have been stated in previous posts. Others include:

i) different routes...
Forum: Tech Log
8th Aug 2003, 00:15
Replies: 29
Views: 5,639
Posted By Noise Unit

FerryDude You are very funny! I'm...

FerryDude

You are very funny!

I'm normally a mild mannered person.

However, I don't suffer fools gladly.

Still not seen your views on this subject
Forum: Tech Log
7th Aug 2003, 21:57
Replies: 29
Views: 5,639
Posted By Noise Unit

" why do the airbuses usually have lower speed limit than boeings?"

See my previous answers!

This question is only true at the long-range end of the product line. At short & medium, it depends which aircraft you compare - A320 vs 737 or 757vs A321 or A332 vs 767...
Forum: Tech Log
7th Aug 2003, 20:25
Replies: 29
Views: 5,639
Posted By Noise Unit

Ferrydude Are all your postings as...

Ferrydude

Are all your postings as informative as this?

The guy at the top asked a question and I answered it.

I for one would be very interested in whatever thoughts you are capable of on...
Forum: Tech Log
7th Aug 2003, 18:56
Replies: 29
Views: 5,639
Posted By Noise Unit

Why design speeds are different? Not a...

Why design speeds are different?

Not a simple question to answer - I'll do my best to keep it understandable.

As ever, it all comes down to the bottom-line - MONEY

Think of the process as...
Forum: Tech Log
9th Jul 2003, 15:58
Replies: 2
Views: 1,058
Posted By Noise Unit

WK Thanks for your reply, which has cleared...

WK

Thanks for your reply, which has cleared up some uncertainty.
Forum: Tech Log
8th Jul 2003, 15:51
Replies: 5
Views: 1,429
Posted By Noise Unit

My understanding is that for a given OAT,...

My understanding is that for a given OAT, aircraft weight and runway conditions, there is a minimum thrust level that will get you out of the airfield safely and should not matter whether it is...
Forum: Tech Log
7th Jul 2003, 23:06
Replies: 2
Views: 1,058
Posted By Noise Unit

A330 FMS Climb derate

Someone tells me if you dial DCL1 into A330 FMS, it suggests you need to uplift 1000kg more fuel. Can anyone in the pilot community verify ?
Forum: Tech Log
26th Jun 2003, 22:49
Replies: 8
Views: 1,791
Posted By Noise Unit

Many thanks for the above comments. I...

Many thanks for the above comments.

I understand that CLB derate on some Boeing FMS is defaulted to the TO derate, but that alternative CLB settings can be manually selected.

This is probably...
Forum: Tech Log
24th Jun 2003, 16:36
Replies: 8
Views: 1,791
Posted By Noise Unit

Given that this post, and a previous one...

Given that this post, and a previous one concerning climb performance (particularly CLIMB derate policy), have recieved little comment, I would be grateful if people could indicate which of the...
Forum: Tech Log
4th Jun 2003, 17:16
Replies: 8
Views: 1,791
Posted By Noise Unit

Expedite Climb

Where in the world are flight crews encouraged to get as high (high as in altitude) as they can as quick as they can in order to avoid being held down at non-optimum altitudes once in cruise?

I...
Forum: Tech Log
16th Dec 2002, 08:33
Replies: 9
Views: 2,208
Posted By Noise Unit

Mutt To clarify my interest. What...

Mutt

To clarify my interest.

What conditions determine whether climb derate is selected? I believe that aircraft weight and (to a lesser degree) temperature determine the level of climb derate...
Forum: Tech Log
13th Dec 2002, 09:02
Replies: 9
Views: 2,208
Posted By Noise Unit

YP, many thanks for your response. ...

YP, many thanks for your response.

Apologies for any vagueness in my post, but my main interest here is climb derate.

Aircraft Performance is a major part of my work, but climb derate usage...
Forum: Tech Log
12th Dec 2002, 15:35
Replies: 9
Views: 2,208
Posted By Noise Unit

I am trying to determine whether the general...

I am trying to determine whether the general policy used is broadly similar for various aircraft types (irrespective of size and engine type)

In particular, what determines the level of climb...
Forum: Tech Log
11th Dec 2002, 10:14
Replies: 9
Views: 2,208
Posted By Noise Unit

Question Climb Questions

I am currently trying to understand how different levels of climb derate should be applied.

The obvious method is to use TOW bands for each derate level, but with minimum rate of climb...
Forum: Tech Log
22nd Jul 2002, 06:25
Replies: 5
Views: 1,049
Posted By Noise Unit

747 and 777 Domestic Models

I am interested in the differences between standard long-haul variants of 747 and 777 aircraft and the Domestic models primarily used in Japan.

Questions include, but not limited to:
How do the...
Forum: Tech Log
4th Jul 2002, 21:56
Replies: 7
Views: 2,668
Posted By Noise Unit

In the Gulf region, how often do you encounter...

In the Gulf region, how often do you encounter these conditions?

Are there any other parts of the world where you regularly see temperature inversions?

Questions, questions?:confused:
Showing results 1 to 35 of 35


 
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