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Search: Posts Made By: FluidFlow
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Forum: Tech Log
29th Apr 2011, 01:20
Replies: 2,546
Views: 930,457
Posted By FluidFlow

"sometimes a cigar is just a cigar". Monica...

"sometimes a cigar is just a cigar". Monica would not agree with that statement :ok: but it is unfortunate that conspiracists would likely also say the moon shots were fake so reject these superb...
Forum: Tech Log
31st Mar 2011, 10:36
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

mm43. You are supposed to be keeping us informed...

mm43. You are supposed to be keeping us informed yet it is 6 days since you last posted Alucia's position.:= When you get a chance, can you give us an update on the current position of the Alucia...
Forum: Tech Log
6th Dec 2010, 10:08
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Northerly Drift

Slats 11
Table 1 pg 34 of the drift report gives the time and location of the retrieved bodies. I used this data and got a northerly drift of north = -0.000103399474 x time^2 + 0.042572523906 x...
Forum: Rumours & News
17th Nov 2010, 03:28
Replies: 1,964
Views: 1,332,336
Posted By FluidFlow

The probability of being hit by one of the 3...

The probability of being hit by one of the 3 large pieces of this rotor is roughly as follows. Hull penetration angle spread of 15 degrees from center of rotor. Rotor broke into 3 pieces giving a...
Forum: Rumours & News
15th Nov 2010, 11:19
Replies: 1,964
Views: 1,332,336
Posted By FluidFlow

RR Bearing chamber lubrication patent - WARNING - heavy reading

For a very technical description and some of the evolution of the RR bearing chamber lubrication and fires risks see their patent 6516618 Gas-turbine engine with a bearing chamber...
Forum: Tech Log
6th Oct 2010, 23:14
Replies: 28
Views: 8,140
Posted By FluidFlow

Hi Daniel, Perhaps you can compare some captured...

Hi Daniel, Perhaps you can compare some captured ‘still’ shots from the videos and try to get an idea of the wing flex (angle and shape of flex) and use this to justify your conclusions re the...
Forum: Tech Log
12th Sep 2010, 22:28
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Deja vu?

from another thread (http://www.pprune.org/tech-log/278463-unserviceabilities-unusual-symptoms.html#post4926219) by Seagul1 on 14 May 2009.
Could this be applicable to AF447?
Forum: Tech Log
9th Sep 2010, 01:13
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

I am not suggesting the bodies didn't sink. ...

I am not suggesting the bodies didn't sink. There was also no confirmed sightings of any parts before June 5, with a body being sighted before the VS so I guess one can also follow this logic and...
Forum: Tech Log
8th Sep 2010, 04:28
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

VS drift

Cant do exactly that due to lack of info. But the VS was sighted 4.1Nm south and recovered 5.3 Nm south of the ‘body drift centreline’ with respect to time. It was sighted 9.2Nm west and recovered...
Forum: Tech Log
7th Sep 2010, 02:01
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Pitch on impact

mm43. With reference to your pic in post 2067 http://www.pprune.org/5902693-post2067.html if AF447 comes in at a much higher pitch it is easier to get the water into the tail cone to bend the frames...
Forum: Tech Log
27th Aug 2010, 05:12
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Location of AF447?

I am only 3 pages behind so sorry for the thread drift (It has been a busy week):{. Thanks for the feedback on my previous post. I have updated the FODDA drift graphs to include some of the...
Forum: Tech Log
20th Aug 2010, 02:28
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

mm43, Thanks for your feedback. I will do some...

mm43,
Thanks for your feedback. I will do some more work in those areas as time permits. regards
FF
Forum: Tech Log
20th Aug 2010, 00:46
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Location of AF447?

The following pic shows the most likely crash site for AF447 based on a polynomial regression from the locations of the first 22 bodies recovered, focused using the location of the SAR 'pollutions...
Forum: Tech Log
17th Aug 2010, 22:07
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

VS recovery position.

Can anyone confirm the ‘correct’ location for the VS when recovered. There appears to be a discrepancy between 3.47N and the BEA pic. Or if I missed it, the post where this is given.
Thanks
Forum: Tech Log
16th Aug 2010, 01:29
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Drift re-analysed using a simple approach

The Drift Group did their analysis by calibrating their models to things like the drift buoys etc which were drogued relatively shallow compared to a deep ocean but relatively deep when compared to...
Forum: Tech Log
13th Aug 2010, 05:19
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Exactly MM43. My post was obviously not well...

Exactly MM43. My post was obviously not well written or too succinct.:ugh:
Distance from the slick to where the merchant ship first sighted debris divided by the difference in time = velocity =...
Forum: Tech Log
12th Aug 2010, 06:01
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Oil Slick

Thanks MM43.
This slick is about 1 knot south of the first possible sighting of A447 debris by a merchant ship on June 5 (which corresponds to the 1 knot north movement of the debris field stated...
Forum: Tech Log
9th Aug 2010, 22:16
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Rudder travel

Doesn't the A332 have a larger VS than the A333? (due to the -200 being shorter ie to provide the same stabilising moment). Is the rudder the same between the -200 and the -300, with the same...
Forum: Tech Log
30th Jun 2010, 02:11
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Gamma variation

@HN39 et al. Sorry for delay in returning to an internet connection.

As a mere calculation exercise if we take a 5% variation in G from 1.4 to 1.33 as per your post (#1642) and leave...
Forum: Tech Log
28th Jun 2010, 23:34
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

@sensor. To make pitots independent of air...

@sensor. To make pitots independent of air density in the 0.3<M<1 range, the formula used is (with a lots more brackets in both forumula) M=sqrt((2/G-1)(Pstag/Pstatic)^(G-1/G)-1)). This then takes...
Forum: Tech Log
28th Jun 2010, 21:19
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

ABNORMAL air properties

I am currently on holidays:ok: with a pathetic internet connection:{.

@HarryMann. This is genuine once we agree we are referring to an abnormal situation. I raise it for discussion to see if it...
Forum: Tech Log
28th Jun 2010, 00:54
Replies: 3,893
Views: 1,535,039
Posted By FluidFlow

Pitots may have worked properly, ADU error checking may have precipitated the event.

I have been silent for 12 months but would now like to raise the following for discussion.

1) The BEA#2 report indicates a sudden increase in speed inconsistency reports (7 times the frequency)...
Showing results 1 to 22 of 22


 
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