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Re: Interesting Videos

Postby Johan G » Sun Jan 08, 2017 9:31 pm

Some videos about flutter and aeroelasticity

Flutter is oscillations in various modes and combinations of modes induced by mass distribution, elasticity and aerodynamic properties of an aircraft and its parts. Aeroelasticity is the theory of how that all is related to each other and how to predict how an aircraft design would behave. Typically flutter appear and increases as airspeed and dynamic pressure increases.

Rod Machado - Aerodynamic Flutter (5 min)


FlightInformer - The flutter effect explained (8 min)


NASA Langley CRGIS - Aeroelastic Phenomena and Related Research - Part 1 and 2 (6 and 7 min)




Jeff Quitney - Flutter (Aerodynamics) circa 1940 NACA Langley Research Center (15 min, no audio)



To round it off, here is probably a bit of a classic:
NASA Langley CRGIS - Aeroelasticity Matters (5 min, with some music)
Low-level flying — It's all fun and games till someone looses an engine. (Paraphrased from a YouTube video)
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Re: Interesting Videos

Postby Johan G » Sat Feb 11, 2017 12:22 am

One of the highlights when I had access to the Discovery Channel many years ago was the (too?) short "How It's Made" episodes. It seems like they actually have a YouTube channel.

Here is one that maybe of interest:


Since the spring here seems near, here is a lovely spoofed as a bonus:
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Re: Interesting Videos

Postby wkitty42 » Tue Feb 14, 2017 2:57 pm

"How Its Made" is still on... we watch it all the time... not sure what channel(s) on satellite we see it on, though... it is pretty good but we wish that there was a little more detail on some things...
"You get more air close to the ground," said Angalo. "I read that in a book. You get lots of air low down, and not much when you go up."
"Why not?" said Gurder.
"Dunno. It's frightened of heights, I guess."
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Re: Interesting Videos

Postby Johan G » Tue Feb 14, 2017 4:25 pm

wkitty42 wrote in Tue Feb 14, 2017 2:57 pm:[...] we wish that there was a little more detail on some things...

Indeed. Sometimes they come in two parts though, like this wonderful one (a Piper Malibu Meridian it seems):





The way they built the wings with an adhesive tape applied to the ribs, spars and stringers that was baked once the wing was skinned was quite interesting.
Low-level flying — It's all fun and games till someone looses an engine. (Paraphrased from a YouTube video)
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Re: Interesting Videos

Postby Johan G » Sun Mar 05, 2017 6:21 pm

A Jet Airways B773, VT-JET, at FL360 about 20 NM N of Cologne while enroute on flight 9W-118 from Mumbai to Heathrow apparently had a com failure. As a routine aircraft not responding on ATC or emergency frequencies are intercepted. Filmed by the FO of a nearby airliner (7 min):



See also the FlightGear wiki article Aircraft interception (perm).
Low-level flying — It's all fun and games till someone looses an engine. (Paraphrased from a YouTube video)
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Re: Interesting Videos

Postby Necolatis » Sun Sep 17, 2017 3:59 am

"Airplane travel is nature's way of making you look like your passport photo."
— Al Gore


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Re: Interesting Videos

Postby Johan G » Tue Jun 12, 2018 7:59 pm

Found this gem yesterday: Building the Piper J-3 Cub :)

The Construction of a Light Aircraft (1943) (27 min)
Low-level flying — It's all fun and games till someone looses an engine. (Paraphrased from a YouTube video)
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Re: Interesting Videos

Postby wlbragg » Wed Jun 13, 2018 10:36 pm

Nice one Johan, thanks for sharing!
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Re: Interesting Videos

Postby Johan G » Sat Jun 16, 2018 9:32 pm

You are welcome. I thought you in particular could be interested. :D
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