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Search: Posts Made By: fdr
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Forum: Rumours & News
18th Jul 2019, 07:50
Replies: 41
Views: 35,778
Posted By fdr

ici l'rapport... ...

ici l'rapport...

https://www.bea.aero/uploads/tx_elydbrapports/BEA2017-0148.pdf

bon chance. Pour votre plaisir de lecture. Peut-être est-il correct, ou non, qui peut dire. La courbure de la...
Forum: Rumours & News
15th Jul 2019, 08:59
Replies: 41
Views: 35,778
Posted By fdr

curves: my last post on this topic

representative acceleration

These are generic examples of TO performance, such as a heavy 4 engine aircraft achieves. The acceleration is from an actual aircraft with 4 blenders at limit weight,...
Forum: Rumours & News
15th Jul 2019, 05:08
Replies: 41
Views: 35,778
Posted By fdr

For your 747-200 etc, the reality check was...

For your 747-200 etc, the reality check was pretty straight forward.

If you had coaming cutoff of the departure end of runways touchdown zone markings before you got to Vr, then you were...
Forum: Rumours & News
15th Jul 2019, 00:55
Replies: 41
Views: 35,778
Posted By fdr

You may have a point, on the validity of the data...

You may have a point, on the validity of the data above tested temperatures. If the data was accurate, then doing a takeoff at an assumed temperature well above ambient removes the variable of...
Forum: Rumours & News
14th Jul 2019, 09:33
Replies: 41
Views: 35,778
Posted By fdr

Anything that affects thrust output, which is...

Anything that affects thrust output, which is engine N1, PT2.... anything that gives errors in weight, or affects drag, or energy required to achieve the rotate IAS. Simply, humidity, temperature,...
Forum: Rumours & News
14th Jul 2019, 07:39
Replies: 41
Views: 35,778
Posted By fdr

The report gives in the discourse the IAS for Vr...

The report gives in the discourse the IAS for Vr and V2, and they are consistent with the TAS/GS of the data. For a windshear case, then at the time near rotate, there would have to be a large...
Forum: Rumours & News
13th Jul 2019, 09:25
Replies: 41
Views: 35,778
Posted By fdr

Fair point. TO an extent that is true, during...

Fair point.
TO an extent that is true, during the rotate itself, the down force from the tail results in an increased induced drag directly, and a slight increase in the weight on wheels over the...
Forum: Rumours & News
13th Jul 2019, 01:58
Replies: 41
Views: 35,778
Posted By fdr

Artificial Runway Length......

Artificial Runway Length... (https://www.flightglobal.com/news/articles/artificial-runway-lengths-avert-long-a340-take-off-r-459634/)

Capt'n;

That is true, to have inadequate speed at the end...
Forum: Rumours & News
11th Jul 2019, 08:32
Replies: 41
Views: 35,778
Posted By fdr

The issue is agnostic. It is purely dependent on...

The issue is agnostic. It is purely dependent on the veracity of the original testing, and the variations of the real world form the assumptions that exist in the performance analysis. The "babe" is...
Forum: Rumours & News
11th Jul 2019, 02:19
Replies: 41
Views: 35,778
Posted By fdr

The report has a great use for cleaning buttocks...

The report has a great use for cleaning buttocks post bowel movements.

The aircraft discussed in the report on the BEA website, which was delegated by the GRIAA to the country of manufacture, the...
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