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Search: Posts Made By: AAKEE
Showing results 1 to 35 of 223
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Forum: Rotorheads
4th Mar 2024, 22:14
Replies: 150
Views: 76,392
Posted By AAKEE

Hoist wire spooling out by itself after the hoist...

Hoist wire spooling out by itself after the hoist excercise ?(forgotten the hoist ON?) , at speed reduction hoist wire swinging up in the rotor causing damage and vibrations leading to a decision to...
Forum: Accidents and Close Calls
26th Jan 2024, 20:53
Replies: 20
Views: 8,678
Posted By AAKEE

Thats right. Snow in general ”never” causes...

Thats right.

Snow in general ”never” causes icing.
Wet snow will only be seen in above freezing temps:
Below frezing, its dry.

Having a crystal core, it does not supercool like water droplets...
Forum: The Pacific: General Aviation & Questions
10th Nov 2023, 08:37
Replies: 60
Views: 21,609
Posted By AAKEE

They went fishing - must be recreational A/C. ...

They went fishing - must be recreational A/C.

(Seems like a well handled emergency and rescue? Hope they all are well!
Forum: Military Aviation
18th Oct 2023, 20:13
Replies: 9
Views: 2,864
Posted By AAKEE

Failing to invert the photo negative from the...

Failing to invert the photo negative from the industrial spionage have that effect.
Or that the rotor on the helicopters turn the wrong way… :)
Forum: Accidents and Close Calls
30th Aug 2023, 09:03
Replies: 8
Views: 2,767
Posted By AAKEE

They stopped using NiCd batteries in mobile...

They stopped using NiCd batteries in mobile phones long time ago. The energy density is too low for a modern smartphone.

I guess you mean Lithium batteries, like lithium ion and lithiym plolymer?
Forum: Rotorheads
10th Aug 2023, 17:47
Replies: 2
Views: 824
Posted By AAKEE

I didnt fly the A109 except for a few flights in...

I didnt fly the A109 except for a few flights in the left seat.

Anyway, it would’nt be [De-ice]. It would be [Anti Ice].
Getting ice and de-ice would mean that Ice sheds and go into the...
Forum: Military Aviation
30th Jul 2023, 13:49
Replies: 140
Views: 49,273
Posted By AAKEE

Possibly a engine failure due to a engine...

Possibly a engine failure due to a engine stagnation/spool bending at engine start. A known issue which calls for engine vent before engine starting.

Most probably no relation to this tragic...
Forum: Military Aviation
1st May 2023, 20:13
Replies: 38
Views: 6,482
Posted By AAKEE

This is a build on to the ”Dunno where I am”...

This is a build on to the ”Dunno where I am” question?

—> Narrowing the navigation issue down, by knowing that I am in a country that there is (or isnt) a war :-)
Back of the knee pad might have...
Forum: Military Aviation
30th Apr 2023, 22:34
Replies: 38
Views: 6,482
Posted By AAKEE

Completely blank, so you can write ”Where am I?”...

Completely blank, so you can write ”Where am I?” With big capital letters and show the local farmer. Comes in handy when you cant solve it even after reading the village name on the road sign.
Forum: Military Aviation
30th Apr 2023, 22:30
Replies: 38
Views: 6,482
Posted By AAKEE

The swedish airforce have used this NASA Space...

The swedish airforce have used this NASA Space pen during all my days at SWAF.

Its hard to find a worse pen, it doesnt write good even as new. It might work better in space maybe 😅
Forum: Rotorheads
19th Apr 2023, 06:17
Replies: 78
Views: 20,968
Posted By AAKEE

Yes, the issue here comes from the output shaft...

Yes, the issue here comes from the output shaft of the engine is in front, engines mounted rear.
The output shaft is the inner shaft and the shaft connecting the compressor and turbine is therefore...
Forum: Rotorheads
17th Apr 2023, 22:23
Replies: 78
Views: 20,968
Posted By AAKEE

It sounds like the spool bending I made a post...

It sounds like the spool bending I made a post about.

If the enginge was shut down for >10 minutes but less than 3hrs a vent prodecure should be performed before the engine start.
If the vent...
Forum: Rotorheads
4th Apr 2023, 21:03
Replies: 29
Views: 6,563
Posted By AAKEE

Very good practice, I’ll steal that idea.

Very good practice, I’ll steal that idea.
Forum: Accidents and Close Calls
3rd Apr 2023, 18:55
Replies: 23
Views: 5,734
Posted By AAKEE

If they serve steak on the next flight that...

If they serve steak on the next flight that catering company supplied....do not eat it. Probably well done. :}
Forum: Rotorheads
1st Apr 2023, 19:05
Replies: 78
Views: 20,968
Posted By AAKEE

The RTM322 is sensitive to spool bending after a...

The RTM322 is sensitive to spool bending after a time intervall of shut down.
Usually needs Engine vent procedure before another engine start to spread the temperatures.

If not done, it could...
Forum: Military Aviation
28th Jan 2023, 23:30
Replies: 27
Views: 13,608
Posted By AAKEE

Maybe it cracked by itself :-)

Maybe it cracked by itself :-)
Forum: Rotorheads
3rd Jul 2022, 07:32
Replies: 110
Views: 35,886
Posted By AAKEE

Did that during 2K hrs on the BO during the 90’s...

Did that during 2K hrs on the BO during the 90’s and some years on in the anti tank role :). After a bunch of years on bigger ‘busses’, I now sit in the H145D3 after retirement from the Air force...
Forum: Rotorheads
2nd Jul 2022, 18:05
Replies: 110
Views: 35,886
Posted By AAKEE

You dont need a zoom climb for that. It can be a...

You dont need a zoom climb for that. It can be a good idea if you like to have room for a longer negative G (well, less short anyway).

For the negative G part, if you have speed just push the...
Forum: Rotorheads
2nd Jul 2022, 13:42
Replies: 110
Views: 35,886
Posted By AAKEE

you do not need negative pitch to get negative G....

you do not need negative pitch to get negative G.
Just push the cyclic stick slightly forward. The same is valid for Reiner Wilkes nice rolls.

Negative G on the Bo105 will cause the engine oil...
Forum: Rotorheads
4th May 2022, 09:18
Replies: 5
Views: 1,610
Posted By AAKEE

EASA ATPL

I think the theoretical part of PBN is incuded in the EASA ATPL exam since a couple of years.

This means the flying part is really the one needed, and it could/should be a part if the...
Forum: Rotorheads
21st Apr 2022, 11:11
Replies: 25
Views: 3,249
Posted By AAKEE

That 1% drag is at zero AoA. A forward CG will...

That 1% drag is at zero AoA. A forward CG will induce a noze down attitude that increases the iduced drag so the drag will be higher than this for a forward CG and closer to this value at aft CG.
...
Forum: Rotorheads
20th Apr 2022, 13:12
Replies: 25
Views: 3,249
Posted By AAKEE

The stabilizer is ment to push the tail down in...

The stabilizer is ment to push the tail down in most helos, to achieve a less nose down attitude.

Aft CG set the attitude less nose down to begin with and reduce the negative lift(downforce)...
Forum: Rotorheads
19th Apr 2022, 15:54
Replies: 25
Views: 3,249
Posted By AAKEE

I do not have any source to back this up, but...

I do not have any source to back this up, but with the NH90(at least the high cabin version), I think theres is a clear gain with being close to the aft limit, perhaps about 5 knots at MCP or so or...
Forum: The Pacific: General Aviation & Questions
16th Apr 2022, 08:44
Replies: 107
Views: 14,141
Posted By AAKEE

I had to check that the post wasnt made on 1st...

I had to check that the post wasnt
made on 1st of April. It wasnt…obviously:

Use the E6B or similar to calculate TAS from
your values. The OAT has a very big impact on the TAS from the OAS...
Forum: Rumours & News
13th Apr 2022, 22:48
Replies: 604
Views: 1,071,917
Posted By AAKEE

https://cimg2.ibsrv.net/gimg/pprune.org-vbulletin/...

https://cimg2.ibsrv.net/gimg/pprune.org-vbulletin/953x681/sj182_rear_d4faaa1f2867721ef1c638078156ac6af7b7d6d8.png...
Forum: Rumours & News
13th Apr 2022, 22:34
Replies: 604
Views: 1,071,917
Posted By AAKEE

https://cimg1.ibsrv.net/gimg/pprune.org-vbulletin/...

https://cimg1.ibsrv.net/gimg/pprune.org-vbulletin/789x604/mu5735_rear_6f78e19873b2668a49faf869215199cd6db08b47.png...
Forum: Rumours & News
13th Apr 2022, 18:44
Replies: 604
Views: 1,071,917
Posted By AAKEE

Theres only 17 valid points for 3D, as one has ...

Theres only 17 valid points for 3D, as one has
no position.

But there is at least 100 points on the straight and level flight before the upset of which everyone is on a perfectly straight line...
Forum: Rumours & News
13th Apr 2022, 07:09
Replies: 604
Views: 1,071,917
Posted By AAKEE

When you did your 3D trajectory check, you did...

When you did your 3D trajectory check, you did see a parallel movement from the last point before the upset until the first point with altitude loss that is in the order of 1600m. During these 15-20s...
Forum: Rumours & News
12th Apr 2022, 18:42
Replies: 604
Views: 1,071,917
Posted By AAKEE

Yes. Even better than plotting a 2D graph is to...

Yes. Even better than plotting a 2D graph is to use google earth or similar to make a 3D graph from the granular data. It is very informative.
Forum: Rumours & News
9th Apr 2022, 16:25
Replies: 604
Views: 1,071,917
Posted By AAKEE

Yes. I should have written that the initial...

Yes.

I should have written that the initial upset is carbon copies.

If the FR24 log is viewed in 3D both these accidents show a reduced groundspeed during the initial upset. There is a not...
Forum: Rumours & News
8th Apr 2022, 14:31
Replies: 604
Views: 1,071,917
Posted By AAKEE

Yup, not related. Theres no left roll present. ...

Yup, not related. Theres no left roll present.

MU5735 and SJ182 is carbon copies.

SJ had a Autothrottle failure.
Forum: Military Aviation
2nd Apr 2022, 11:03
Replies: 84
Views: 28,404
Posted By AAKEE

So, You’re not a Diplomat….any more? :) ...

So, You’re not a Diplomat….any more? :)

India sent a ballistic missile into Pakistan by misstake recently. Good to see the diplomaticy solv it instead of weapons.
Forum: Rumours & News
29th Mar 2022, 21:50
Replies: 604
Views: 1,071,917
Posted By AAKEE

Yes, the left roll is quite clear. I was not...

Yes, the left roll is quite clear.

I was not thinking ”rudder hardover” as necessarily not controllable failure.
A uncommanded rudder movement ( or A/T failure like Sriwijaya) and a A/P...
Forum: Rumours & News
27th Mar 2022, 23:09
Replies: 604
Views: 1,071,917
Posted By AAKEE

Using the granular data from this accident in a...

Using the granular data from this accident in a software that allows for a 3D view of the data points in position and altitude we can se things that we can not when just looking at the table.

This...
Forum: Rotorheads
11th Mar 2022, 22:27
Replies: 15
Views: 6,187
Posted By AAKEE

I had the seat suddenly coming loose in the...

I had the seat suddenly coming loose in the lenght adjustment in a NH90 sending me all
the way to the rear stop during the final
phase of a landing in a small hole in the forrest.
I didnt have...
Showing results 1 to 35 of 223
 
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