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Search: Posts Made By: grity
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Forum: Tech Log
3rd Aug 2011, 21:02
Replies: 1,998
Views: 509,943
Posted By grity

is it possible that the rollinputs are induced ...

is it possible that the rollinputs are induced from a "karman vortex-street" behind the fuselage of this widebody with his angular incident flow in case of higher AoAs ?


P.S.
what can be a...
Forum: Tech Log
2nd Aug 2011, 17:18
Replies: 1,998
Views: 509,943
Posted By grity

again s 114. in the time between 2:12 and...

again s 114.

in the time between 2:12 and 2:13 the pitch in the report is between 8deg and -8deg so if you try to fly pitch and power this time was not so bad looking, but it helps nothing he was...
Forum: Tech Log
1st Aug 2011, 10:07
Replies: 1,998
Views: 509,943
Posted By grity

jcjeant the elevator and THS is very detailed...

jcjeant the elevator and THS is very detailed here:
http://www.pprune.org/tech-log/456874-af-447-thread-no-5-a-59.html#post6610567
or s.44

the stick movements are detailed on the 3.report s 31...
Forum: Tech Log
1st Aug 2011, 04:13
Replies: 1,998
Views: 509,943
Posted By grity

mm43 I read the ATHR disconect 2 sec later...

mm43 I read the ATHR disconect 2 sec later 2:10:07

in the acceleration we can seperate two different parts IMO, the average value and the short peaks

the average value will corespond to the...
Forum: Tech Log
31st Jul 2011, 15:12
Replies: 1,998
Views: 509,943
Posted By grity

the stick move of first 10 sec. after AP...

the stick move of first 10 sec. after AP disconect 2:10:07 --- 2:10:18
the moves are more or less horizontal so I think he did not realise that he pulled, just fight with the rolling ship....left...
Forum: Tech Log
31st Jul 2011, 12:50
Replies: 1,998
Views: 509,943
Posted By grity

at the start of the event 2:10:07 the ship was...

at the start of the event 2:10:07 the ship was rolling 8 deg left 8 deg right and so on every 2 sec to the other side......the acceleration lateral was also left-right-left with around 0.1G

PF put...
Forum: Tech Log
31st Jul 2011, 09:40
Replies: 1,998
Views: 509,943
Posted By grity

thanks to HN and PJ2 and others to clear up the...

thanks to HN and PJ2 and others to clear up the vertical speed settings...




and a question to the calculators abaut the inizial of the first pitchup between 2:10:07 and 2:10:17 detailed on...
Forum: Tech Log
30th Jul 2011, 20:31
Replies: 1,998
Views: 509,943
Posted By grity

that is the line I ask for, but sorry I dont...

that is the line I ask for, but sorry I dont understand what it mean .......
Forum: Tech Log
30th Jul 2011, 14:07
Replies: 1,998
Views: 509,943
Posted By grity

no, I mean the green line one position higher...

no, I mean the green line one position higher with the unit [FT/MIN] overlaying in the beginning the VITESSE VERTICAL, than moving to +5000 and later back to zerro and --5000......
Forum: Tech Log
30th Jul 2011, 08:22
Replies: 1,998
Views: 509,943
Posted By grity

mm43 your old calculations compares wery good...

mm43 your old calculations compares wery good with the outcoming

2 points I found:
they lost more energie in the first time, maybe du to the strong corections with ailerons

and the pitch was...
Forum: Tech Log
30th Jul 2011, 08:16
Replies: 1,998
Views: 509,943
Posted By grity

but it has 3 values over the time, so it can not...

but it has 3 values over the time, so it can not be a single knob ???
Forum: Tech Log
30th Jul 2011, 04:14
Replies: 1,998
Views: 509,943
Posted By grity

have no problems with side 47..... the...

have no problems with side 47.....

the vitesse vertical on s114 is inconsistent after 2:12:45 like a lot of other parameters too
at this moment the "incident par le iris 1,2,3" (what must be the...
Forum: Tech Log
29th Jul 2011, 17:53
Replies: 1,998
Views: 509,943
Posted By grity

jcjeant, send you a PM

jcjeant, send you a PM
Forum: Tech Log
29th Jul 2011, 15:48
Replies: 1,998
Views: 509,943
Posted By grity

2:12:44 C’est pas possible

2:12:44 C’est pas possible
Forum: Tech Log
29th Jul 2011, 11:58
Replies: 1,998
Views: 509,943
Posted By grity

they do not say that the captain was without a...

they do not say that the captain was without a CRM training..... I understand that in this training this situation is not part of the rules

• There is no CRM tr aining for a crew made up of two...
Forum: Tech Log
29th Jul 2011, 11:09
Replies: 1,998
Views: 509,943
Posted By grity

and? at which place was sitting the so called PF?...

and? at which place was sitting the so called PF? left the new one with the reportet instruments ahead his nose, or right as in the hours before mayby?
Forum: Tech Log
29th Jul 2011, 06:17
Replies: 1,998
Views: 509,943
Posted By grity

no chess master can look all day with all his...

no chess master can look all day with all his skills to an automatic chess game/turnament to wait for the moment of a s/w bug

it was one of the fruits of this treat, to realize that even a...
Forum: Tech Log
28th Jul 2011, 05:34
Replies: 1,998
Views: 509,943
Posted By grity

THX for the THS position in your analysis. at...

THX for the THS position in your analysis. at which time did they passed SALUP?

the climb to F370 (without trust correcting) has finished 02:10:40
the following correctionTOGA was also not...
Forum: Tech Log
27th Jul 2011, 10:03
Replies: 1,998
Views: 509,943
Posted By grity

hi gums, exist a stick for left-handet pilots in...

hi gums, exist a stick for left-handet pilots in the viper?

i trying to creat this post with my left hand........ it is horrible for the brain using the mouse with lefthand push the button with...
Forum: Tech Log
25th Jul 2011, 19:43
Replies: 1,998
Views: 509,943
Posted By grity

it was said before that the change of the...

it was said before that the change of the direktion horizontal vers vertical cost an extra portion energie.... so the calculation was not much/exact valid it was under a limit value view, and yes it...
Forum: Tech Log
25th Jul 2011, 06:59
Replies: 1,998
Views: 509,943
Posted By grity

hi Machinbird, as time goes by......exist a link?...

hi Machinbird, as time goes by......exist a link? for a Cm and AoA up to high deg (90)
Forum: Tech Log
25th Jul 2011, 04:46
Replies: 1,998
Views: 509,943
Posted By grity

up to AoA 45 deg the move is very low, even...

up to AoA 45 deg the move is very low,
even with AoA 60 deg it has moved not to much aft.....

look at the curve of the pitching moment (Cm) against angle of incidence posted by machinbird
...
Forum: Tech Log
24th Jul 2011, 17:24
Replies: 1,998
Views: 509,943
Posted By grity

airtren, henra, the question if the BEA speeds...

airtren, henra,
the question if the BEA speeds are CAS or TAS are not realy clear for me, up to now I tought CAS

I was not on the search for negligable faktors, just trying to re-calculate the...
Forum: Tech Log
21st Jul 2011, 13:31
Replies: 1,998
Views: 509,943
Posted By grity

beside the missing ATC clearance to deviat.... if...

beside the missing ATC clearance to deviat.... if you follow the plan and do the climb from F350 to F370, with how much pitch would you normal do the climb?



and at what place behind SALPU did...
Forum: Tech Log
21st Jul 2011, 12:31
Replies: 1,998
Views: 509,943
Posted By grity

you calculate with stopped turbines, (correct, a...

you calculate with stopped turbines, (correct, a stone need a start speed of vertical 134 m/s to reach a delta-high of 914m against gravity...... he need 13,6 sec.)

but with decreasing speed...
Forum: Tech Log
20th Jul 2011, 06:22
Replies: 1,998
Views: 509,943
Posted By grity

thank you for detailed explanation A33Z so...

thank you for detailed explanation A33Z

so in case of wrong CAS, MACH or ALT datas, what may be the result or the following aktion for the the FE Weight or Ceneter of gravity computation ??? in...
Forum: Tech Log
19th Jul 2011, 07:50
Replies: 1,998
Views: 509,943
Posted By grity

for me cg seems calculated based only on...

for me cg seems calculated based only on pre-takeoff W&B.... and fuel consumption....

who made the load- and fuel-weight datainput normaly?
there can also be a data entery error, captain again...
Forum: Tech Log
17th Jul 2011, 14:25
Replies: 1,998
Views: 509,943
Posted By grity

HarryMann full agree, but if the pich up starts...

HarryMann full agree, but if the pich up starts with a change in trust, (like in the A340 event....) than it is an accelerated condition, and the bird moves around the Cg

and for a recovery it is...
Forum: Tech Log
17th Jul 2011, 12:35
Replies: 1,998
Views: 509,943
Posted By grity

ok, it is not realy significant with pitch 15...

ok, it is not realy significant with pitch 15 deg, but also for the calculation for the pich-up moment for the engins (toga...) you need the different in height between the engins and CG...
Forum: Tech Log
16th Jul 2011, 20:44
Replies: 1,998
Views: 509,943
Posted By grity

in which height lays the CG over the wing (over...

in which height lays the CG over the wing (over the aerodynamic center) ? for the stability intresting is the horizontal distance, but with an pitch >15 deg the CG begins also to move back if it is...
Forum: Tech Log
14th Jul 2011, 21:53
Replies: 1,998
Views: 509,943
Posted By grity

with very high AoA the effect of the profile with...

with very high AoA the effect of the profile with his flow is becoming smaler, the center of lift and Cd and Cl approaches the forces of a flat panel with the same AoA.... with an AoA of 90 deg...
Forum: Tech Log
11th Jul 2011, 05:11
Replies: 1,998
Views: 509,943
Posted By grity

mayby the different positions of the static ports...

mayby the different positions of the static ports also generate a different sensibility in case of icing.....

dolphins have their sensors at the forehead under the blowhole!...
Forum: Tech Log
10th Jul 2011, 20:07
Replies: 1,998
Views: 509,943
Posted By grity

http://walter.bislins.ch/aviatik/media/Verteilung%...

http://walter.bislins.ch/aviatik/media/Verteilung%20des%20statischen%20Drucks.jpg
the place of the pitots is even sensible, the "static" pressure is not constant over the different places of the...
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