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22nd Mar 2021, 11:06
Replies: 7
Views: 4,553
Posted By fdr

193kts @ 500AMSL.... thats just a bit slower...

193kts @ 500AMSL.... thats just a bit slower than the space shuttle. Sad, after they had run around in the pattern for a while. going to be an interesting report.
1st Mar 2021, 00:31
Replies: 40
Views: 39,591
Posted By fdr

Long time since it was a topic, but my...

Long time since it was a topic, but my recollection is that for a bonded joint, the insertion of mechanical fasteners reduces the effectiveness of the adhesive bond. The fasteners provide component...
26th Feb 2021, 01:12
Replies: 1,487
Views: 45,536
Posted By fdr

Overlooking the impact of Lithium-7 resulted in...

Overlooking the impact of Lithium-7 resulted in some curious artifacts and led to the atoll for Castle Bravo being renamed Bikini.
23rd Feb 2021, 07:13
Replies: 278
Views: 178,381
Posted By fdr

tdracer The PW4000 112, GE90 etc have low...

tdracer

The PW4000 112, GE90 etc have low examples of fan blade release, as is the case for the CFM-56-7's. These have larger chord blades in general compared to earlier fan designs, which may be...
22nd Feb 2021, 12:29
Replies: 4
Views: 4,729
Posted By fdr

That is a sad day for the Mexican airforce. ...

That is a sad day for the Mexican airforce.

T/R's are stowed, no braking marks leading top the impact point of the grass verge. Stab trim is reasonable.

If they took the west taxiway to enter...
22nd Feb 2021, 05:12
Replies: 278
Views: 178,381
Posted By fdr

https://cimg5.ibsrv.net/gimg/pprune.org-vbulletin/...

https://cimg5.ibsrv.net/gimg/pprune.org-vbulletin/464x248/152844002_10224369972578942_3558511734802398052_n_jpg_408c76b8aacee918be91e74583773472_7239299d951651ceef9fdcf388c63ef07ddb6536.jpg
...
Forum: Tech Log
22nd Feb 2021, 04:30
Replies: 87
Views: 293,118
Posted By fdr

B777, at night over NOPAC. crew get a caution,...

B777, at night over NOPAC. crew get a caution, more cautions, warnings, and more cautions, more warnings, APLT dies, ATR dies, stuff is dropping like flies to pyrethrum. The crew by now are quite...
Forum: Tech Log
22nd Feb 2021, 04:06
Replies: 14
Views: 2,239
Posted By fdr

ICAO Annex 6 Part 1, Attachment D-1 paras 2.2.2...

ICAO Annex 6 Part 1, Attachment D-1 paras 2.2.2 and 2.3.1 are worthwhile reviewing in this conversation.

There is a difference between the conditions for a 2 engine or a more than 2 engine case....
21st Feb 2021, 13:53
Replies: 808
Views: 749,440
Posted By fdr

"RegulatorS et al" I would suggest. This is not...

"RegulatorS et al" I would suggest. This is not the only crew in the last 1,5,10,20,30,40 years that has not arrived at the destination.
21st Feb 2021, 12:06
Replies: 278
Views: 178,381
Posted By fdr

silverstrata One of the happy snaps on CNN...

silverstrata

One of the happy snaps on CNN shows at least one fan blade is a shorty.
21st Feb 2021, 12:05
Replies: 278
Views: 178,381
Posted By fdr

Think it converted the Ram roof to low rider.. :}...

Think it converted the Ram roof to low rider.. :}

As far as terminal velocity goes, would be interesting to see if it was rotating around its radius like a Flettner lifting surface.
21st Feb 2021, 10:35
Replies: 278
Views: 178,381
Posted By fdr

Mike_UEM That took longer to arise as a...

Mike_UEM

That took longer to arise as a comment than was expected.... :}

25.903(d)(1) Design precautions must be taken to minimize the hazards to the airplane in the event of an engine rotor...
21st Feb 2021, 01:26
Replies: 808
Views: 749,440
Posted By fdr

Human performance is a spectrum; any training...

Human performance is a spectrum; any training program necessarily makes a determination of the prerequisites to the training. In the middle of all that is the individual's awareness of their state in...
19th Feb 2021, 11:52
Replies: 39
Views: 6,616
Posted By fdr

Mog; your welcome to the Pucara crew probably...

Mog; your welcome to the Pucara crew probably would have been less enthusiastically received by the Pucara crew.

Would have been interesting to see how a forward cold nozzle only deflection,...
Forum: Tech Log
17th Feb 2021, 13:33
Replies: 54
Views: 10,055
Posted By fdr

On some Boeings, the flap will trigger the GPWS...

On some Boeings, the flap will trigger the GPWS Mode IV, and it won't be cancellable. As stated, depends if the flap is defined as a landing flap config. If there are hydraulic issues, it can be a...
17th Feb 2021, 13:04
Replies: 39
Views: 6,616
Posted By fdr

Fair point. (I'm in isolation during an engine...

Fair point.
(I'm in isolation during an engine change so my boredom may show through in the following)

background:

T/W gives a starting point for an E-M analysis, which is relatively...
16th Feb 2021, 23:12
Replies: 39
Views: 6,616
Posted By fdr

If you want higher roll rates, the Gums Special...

If you want higher roll rates, the Gums Special leading edge device is pretty effective... use once only and discard.. :}
Up in area where 3D maneuver is possible, each driver is trying to get out...
16th Feb 2021, 23:10
Replies: 39
Views: 6,616
Posted By fdr

If you want higher roll rates, the Gums Special...

If you want higher roll rates, the Gums Special leading edge device is pretty effective... use once only and discard.. :}
Up in area where 3D maneuver is possible, each driver is trying to get out...
16th Feb 2021, 12:53
Replies: 39
Views: 6,616
Posted By fdr

PA, there are various methods of TV, and...

PA,


there are various methods of TV, and TVC applied.

1. Harrier: 2-D split cold/hot exhaust, vectoring angles are downward relative to the aircraft longitudinal axis, giving a variable from...
16th Feb 2021, 09:15
Replies: 10,020
Views: 547,537
Posted By fdr

The Phantom design team came up with a novel...

The Phantom design team came up with a novel demonstration that, given enough thrust, anything will fly, gaining widespread applause from the Darwin Awards Committee.
15th Feb 2021, 19:34
Replies: 808
Views: 749,440
Posted By fdr

No, it is from a controller theory textbook, and...

No, it is from a controller theory textbook, and it correctly describes the curves which oddly wiki doesnt. Have another look, the wiki formulas are correct, the graphs have messed up labelling
15th Feb 2021, 19:20
Replies: 39
Views: 6,616
Posted By fdr

2 items .1 Your simplified calcilation is valid...

2 items
.1 Your simplified calcilation is valid only for a level turn.
2. Vectoring adds an additonal force to that only from bank angle
15th Feb 2021, 00:49
Replies: 41
Views: 19,760
Posted By fdr

The flight data on this will be interesting to...

The flight data on this will be interesting to view. The directional stability would have been degraded greatly, and possibly asymmetrically, so it is fortuitous that it was at low speed and low...
15th Feb 2021, 00:41
Replies: 10,020
Views: 547,537
Posted By fdr

when CoViD regulations were less invasive

when CoViD regulations were less invasive
15th Feb 2021, 00:39
Replies: 10,020
Views: 547,537
Posted By fdr

"... Airbus's concerns on having Lexcen on the...

"... Airbus's concerns on having Lexcen on the design team were realised.... "
Showing results 1 to 25 of 906
 


 
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