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Commentator

Join Date: Oct 2014
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Bangladesh Air Force

11/22/2014 5:16 PM

The Bangladesh Air Force has fielded its very first female military pilot.

/In the Newtonian World

`

http://www.thedailystar.net/tamanna-e-lutfy-becomes-first-baf-women-pilot-51430

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Guru

Join Date: Feb 2011
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#1

Re: Bangladesh Air Force

11/22/2014 5:28 PM

is there a science or engineering link?

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Commentator

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#5
In reply to #1

Re: Bangladesh Air Force

11/23/2014 1:35 PM

Unable to find one.

(Bangladesh holds a special place in my heart . . . and on the other hand, Saudia Arabia just fielded their first female jet fighter pilot; an amazing development in that part of the world, too).

/In the Newtonian World

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Guru

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#2

Re: Bangladesh Air Force

11/22/2014 7:12 PM

Her airplane looks a little out of date.....

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Guru

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#3
In reply to #2

Re: Bangladesh Air Force

11/23/2014 12:07 AM

The powerplant was operating normally when the aircraft flew into terrain.

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Guru

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#4
In reply to #3

Re: Bangladesh Air Force

11/23/2014 10:08 AM

A more important question is why is the grass only growing under the plane?

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Commentator

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#12
In reply to #4

Re: Bangladesh Air Force

11/25/2014 12:49 PM

The grasses are not growing under the plane. When during the flight the pilots had to make a crush land they did it on a grass filled land. It was rainy season, the field was muddy & the grasses were loosely bound to soil. When the kite had landed in that manner, nearby villagers rushed there for rescue and/or curiosity. Before the arrival of law enforcing personnel & a cordon was made by them, so many people had walked around it & the grasses were removed by their feet (as being muddy field) from the adjacent places of the kite. Where their feet did not reach, grasses were not removed.

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Guru

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#15
In reply to #12

Re: Bangladesh Air Force

11/30/2014 11:02 PM

After a large airshow (like Oshkosh) after the aircraft leave, you can easily tell where the aircraft were parked by the green grass/trampled grass patterns. The grass is protected by the wings and fuselage, and stays green and healthy. With the wet conditions for this aircraft, the grass is pushed into the mud and only the grass below the aircraft is safe from trampling.

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Guru

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#6
In reply to #3

Re: Bangladesh Air Force

11/23/2014 11:30 PM

But not generating thrust. Prop was turning but with the blades bent backwards, it was not pulling the plane forward. Engine was idle or prop was windmilling.

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Guru

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#7
In reply to #6

Re: Bangladesh Air Force

11/24/2014 1:36 AM

Fortunately, you don't investigate aircraft accidents.

Think about what you said.

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Guru

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#9
In reply to #7

Re: Bangladesh Air Force

11/24/2014 9:45 AM

You are correct, I do not investigate aircraft accidents. But I have read enough FAA and NTSB reports that indicate when propeller blades are bent backwards the prop is considered to be not producing thrust, and when the prop is bent forwards the prop is under power and generating thrust.

the first photo aircraft was producing power during ground impact.

second aircraft photo, prop was turning, but not generating thrust.

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Guru

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#10
In reply to #9

Re: Bangladesh Air Force

11/24/2014 10:08 AM

Sorry, I stand corrected.

Obviously I don't investigate aircraft accidents, either.

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Guru

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#14
In reply to #10

Re: Bangladesh Air Force

11/30/2014 10:57 PM

For I while I did have a free subscription to general aviation accident reports (quarterly publication). Then they went to electronic and I lost track of the source. Not everyone understands, but once you think it through it make sense. A loaded propeller generating thrust is flexed forward and will tend to bend forward when it strikes a solid surface. An unloaded prop does not have this flex and will tend to bend backwards as it strikes the ground. Think of the propeller as an airscrew.

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Commentator

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#11
In reply to #9

Re: Bangladesh Air Force

11/25/2014 12:17 PM

The propeller you have shown does exist in this earth. But the propeller shown in Solar Eagle's post is deformed propeller of PT-6, a pilot trainer plane (made in China) used by Bangladesh Air Force, crushed in a training flight. This is an old type plane & BAF is going to replace these PT-6s shortly so far I have heard.

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Guru

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#8
In reply to #6

Re: Bangladesh Air Force

11/24/2014 7:43 AM

a prop that produces thrust?? interesting concept

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Guru

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#13
In reply to #8

Re: Bangladesh Air Force

11/25/2014 9:22 PM

What do they produce if not thrust?

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fixitorelse (1); Fredski (2); Lonewolf (1); lyn (3); Ried (4); SolarEagle (2); SYED MD. ANWAR UL ISLAM (2)

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