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Author Topic: Flying out of the envelope is not safe  (Read 790 times)

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Offline Flyin6

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Offline TexasRedNeck

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Re: Flying out of the envelope is not safe
« Reply #1 on: February 01, 2017, 08:19:42 PM »
You have think the crew survived?


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Kids today don't know how easy they have it. When I was young, I had to walk 9 feet through shag carpet to change the TV channel.

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Offline Flyin6

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Re: Flying out of the envelope is not safe
« Reply #2 on: February 02, 2017, 08:29:59 AM »
You have think the crew survived?


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Offline KensAuto

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Re: Flying out of the envelope is not safe
« Reply #3 on: February 02, 2017, 10:47:22 AM »
Ouch.
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Offline EL TATE

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Re: Flying out of the envelope is not safe
« Reply #4 on: February 02, 2017, 11:14:12 AM »
Oof!
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Offline Flyin6

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Offline cudakidd53

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Re: Flying out of the envelope is not safe
« Reply #6 on: February 02, 2017, 03:07:28 PM »
So the lesson of these posts is, water doesn't provide as much resistance as earth?  :facepalm:
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Offline Flyin6

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Re: Flying out of the envelope is not safe
« Reply #7 on: February 02, 2017, 03:19:03 PM »
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Offline TexasRedNeck

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Re: Flying out of the envelope is not safe
« Reply #8 on: February 02, 2017, 03:36:40 PM »
Coming in hot


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Kids today don't know how easy they have it. When I was young, I had to walk 9 feet through shag carpet to change the TV channel.

Joshua 6:20-24

Offline Flyin6

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Re: Flying out of the envelope is not safe
« Reply #9 on: February 02, 2017, 06:18:57 PM »
Coming in hot


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That Jet Ranger crash was one of two things.
Most likely it was an engine failure with a loss of Rotor RPM

However seeing how fast the thing descended would also suggest a thing called "Settling with power" This phenomenon occurs with an aircraft at zero to near zero airspeed, in an out of ground effect hover, and with 20 to 100% engine power applied. Under these conditions sometimes the rotor can begin ingesting it's own rotor wash which whips around in big swirling vortexes. Where as air would normally enter the rotor system at nearly no downward speed, when the rotor starts to ingest it's own rotorwash, those down wash velocities from the swirling air can reach 100 MPH. So the aerodynamic angle of attack is obliterated and the helicopter enters into a column of rapidly air that spits the thing out at the bottom at a high rate of descent, destroying the aircraft.
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Offline Wilbur

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Re: Flying out of the envelope is not safe
« Reply #10 on: February 02, 2017, 07:27:43 PM »
Yeesh....all of those looked nasty!

Offline Flyin6

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Re: Flying out of the envelope is not safe
« Reply #11 on: February 02, 2017, 09:48:35 PM »
Yeesh....all of those looked nasty!
I've seen a crash or two, and been in a few.
Definitely difficult to stay alive when all that stuff has sudden stopage
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Offline TexasRedNeck

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Re: Flying out of the envelope is not safe
« Reply #12 on: February 03, 2017, 12:19:49 AM »
Me thinks there is theory and then there is the seat of the pants little tingly stuff on the back of the neck that keeps you alive.  God bless our soldiers. Thank you for breaking stuff and killing bad guys.


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Kids today don't know how easy they have it. When I was young, I had to walk 9 feet through shag carpet to change the TV channel.

Joshua 6:20-24

Offline Flyin6

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Re: Flying out of the envelope is not safe
« Reply #13 on: February 03, 2017, 09:42:38 AM »
Me thinks there is theory and then there is the seat of the pants little tingly stuff on the back of the neck that keeps you alive.  God bless our soldiers. Thank you for breaking stuff and killing bad guys.


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We're not done...
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Offline Flyin6

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Re: Flying out of the envelope is not safe
« Reply #14 on: February 06, 2017, 10:08:42 AM »
I flew these with the German Army over two summers many moons ago.

Called Allouette 2's, they can really do crazy stunts like this:

https://www.facebook.com/thehelicopterpage/videos/1335117633177877/
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Offline Wilbur

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Re: Flying out of the envelope is not safe
« Reply #15 on: February 06, 2017, 10:25:08 AM »
Some pretty harsh comments on that video (or maybe deserving Don? I'm not one to say for sure) ....seems the pilot passed away too (not from that)....too bad.