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Search: Posts Made By: Sirius Flying
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Forum: Military Aviation
5th May 2011, 05:42
Replies: 237
Views: 142,823
Posted By Sirius Flying

More photos

Inside bin Laden's Compound (http://www.reuters.com/subjects/bin-laden-compound)
Forum: Military Aviation
29th Oct 2007, 08:34
Replies: 4
Views: 1,358
Posted By Sirius Flying

Unpaved / semi-prepared rwys

Jambo,
thank you for you reply. How do you adjust for surface condition?

SF
Forum: Military Aviation
28th Oct 2007, 21:08
Replies: 4
Views: 1,358
Posted By Sirius Flying

Question Unpaved Runways Performance

One question about operating from unpaved / semi-prepared runways: How do you perform your performance calculations (To & Ldg distances) for those runways? Heard that on the Herc it's done via some...
Forum: Spectators Balcony (Spotters Corner)
19th Sep 2007, 19:15
Replies: 575
Views: 156,643
Posted By Sirius Flying

Yup

I may confirm that BA is ... seriously interested. There should be some BA pilots around that know more about it.
Forum: Tech Log
18th Sep 2007, 21:41
Replies: 15
Views: 3,265
Posted By Sirius Flying

Flex TO

I agree with last post. With FLEX TO you will never have problems with VMCG should you decide to increase thrust at some stage. However, with DERATED TO, don't move the levers, as benefit of...
Forum: Flight Testing
3rd May 2007, 18:59
Replies: 10
Views: 3,334
Posted By Sirius Flying

First Principle vs 2nd principle

My understanding was:
1st principle: Performance data derived directly from a physics-based simulation of the aircraft. ("Octopus" program on airbus)

2nd principle: Performance data derived from...
Forum: Flight Testing
14th Nov 2006, 15:26
Replies: 6
Views: 2,232
Posted By Sirius Flying

Friction on non-standard runway surfaces

Hi everybody,
I am currently looking into literature on rolling and braking friction coefficients (mu braked and unbraked), and there's plenty of stuff available on the net for the usual runway ...
Forum: Tech Log
16th Jun 2006, 18:03
Replies: 7
Views: 2,087
Posted By Sirius Flying

Ryanair may do this: Seating is not "really" free...

Ryanair may do this: Seating is not "really" free within the whole of the aircraft, some rows will be blocked off when pax enter the A/C. Thus choice of seats will be limited to a few rows.

Ye...
Forum: Tech Log
16th Jun 2006, 17:48
Replies: 9
Views: 6,735
Posted By Sirius Flying

GPS velocity

Did a little work on the subject.
How the velocity is determined depends on the receiver model. On high-grade models you may find a velocity determination through doppler-effect, on the low-grade...
Forum: Flight Testing
7th Oct 2005, 20:33
Replies: 2
Views: 1,133
Posted By Sirius Flying

Jeez, that was quick, thanks. By the way, it left...

Jeez, that was quick, thanks. By the way, it left today. The noisy beast.
Forum: Flight Testing
6th Oct 2005, 18:16
Replies: 2
Views: 1,133
Posted By Sirius Flying

Question ETPS jet @ Blagnac

Saw ETPS' BAC One-Eleven on the (Airbus) ramp at Blagnac today (nice paint job on the tail..). Just wondered what it was doing there, seemed to me a rather strange place to find it. Anybody got any...
Forum: Flight Testing
19th Apr 2005, 19:12
Replies: 3
Views: 948
Posted By Sirius Flying

Performance Data from WT

Deriving performance data from WT data is possible, but it is unreliable. Big Aircraft manufacturers (A... and B...) do it (for projects of a new aircraft, for example), but still they apply quite...
Forum: Spectators Balcony (Spotters Corner)
19th Apr 2005, 18:42
Replies: 1,021
Views: 149,900
Posted By Sirius Flying

Unhappy FF A380

Seloco,

you should absolutely not believe anything your TLS source says. Such a statement can only come from a severe lack of information.
NO FF THIS WEEK.

nuff said.
Forum: Flight Testing
12th Apr 2005, 19:51
Replies: 7
Views: 1,633
Posted By Sirius Flying

Performance

During flight testing, the aircraft's engine(s) power is calculated. However, this power is usually not used for FM calculations, instead a lower power level is assumed (for example a "minimum"...
Forum: Tech Log
21st Jan 2005, 17:41
Replies: 12
Views: 4,135
Posted By Sirius Flying

Pride and Prejudice

And of course it must be added that the flaps are designed and manufactured in Bremen, Germany.
Forum: Flight Testing
21st Jul 2004, 08:57
Replies: 13
Views: 4,833
Posted By Sirius Flying

GPS speeds

VP959
AFAIK all but the cheapest GPS receivers (which, I assume, we are not using for flight tests...) use doppler information on the GPS signals (change of frequency due to movements of transmitter...
Forum: Tech Log
1st Apr 2004, 09:45
Replies: 7
Views: 1,136
Posted By Sirius Flying

GPS speed measurement

Actually, GPS receivers usually use the doppler frequency shift to determine speed (or velocities, whatever..). This gives ---very--- precise speed measurements (around +/- 0.01 meters/second),...
Forum: Rumours & News
7th Jan 2004, 03:58
Replies: 94
Views: 43,124
Posted By Sirius Flying

Covered Registration

When visiting the accident site today, I noticed that the aircraft's registration was intentionally covered with a plastic sheet, as well as its name.
Can any member shed light on what is the point...
Forum: Tech Log
19th Nov 2002, 08:45
Replies: 4
Views: 1,128
Posted By Sirius Flying

Question Bottlang Height reference: which geoid model?

My question is:
As we all know, in the Jeppesen Bottlang Airfield Manual, the airfield elevation (elevation of ARP) is stated. I assume that this is above MSL, or, technically speaking, above the...
Showing results 1 to 19 of 19


 
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