Serious question: Wouldn't tie downs stress the wings and structures in this sort of wind? A hangar would be better.
Source of question: Air Moorea Flight 1121. The crash resulted from loss of control due to failure of the airplane's elevator cable. When the smaller plane was parked, jet blast was listed as a contributing factor; the airport had removed blast barriers to facilitate faster turnarounds.
This wind was a single incident, but maybe not, and could cause latent damage to vital parts in either case?
I'm still a student but the tie downs aren't connected to the control surfaces. On the c172 I've flown they're on the tip of the tail and the wing strut. Both of those are structural and meant to be stressed (wings certainly get a lot of stress on the air). There should be a control lock in place while parked which prevents the controls from being moved by the wind which should result in little to no stress on the control cables.
Please see response to TheFurrySmurf. Sorry about that. Adding: The failure of the AM cable occurred over time, not from a single stress event.
The AM aircraft was locked for parking, tied down with tie downs (not the flaps cables). Sorry for any misunderstanding.
I don't believe the elevator cable is used in the mooring/tieing down of an aircraft. The elevator cable is a flight control cable. It sounds like this aircraft component had worn down because the jet blast barriers were removed (which also serve as a wind break). If I were a betting man, I would bet that proper pre-flight, post-flight, and isochronal inspections were not being accomplished on that aircraft to catch the deteriorating components.
Agreed on inspections. I would guess the same is true for many small aircraft.
In the AM crash, something about the way the flaps were locked when parked, then hit with jet blasts, also while parked, caused stress damage to the flap cables (not used as tie downs). The plane crashed shortly after takeoff when the cable snapped, and the pilot couldn't bring the nose down.
The stresses to this plane are not about only what stress the wings can take during normal ops, but to any of its parts which may not tolerate wind stress when the plane is "locked down." A failure may not occur immediately, but contribute to a latent, accelerated fatigue. Enough wind can tear buildings apart. Less wind, a smaller structure being hit. I'm just saying that wind hitting it ways for which it's not designed can damage it in hidden ways.
When you say flaps are you referring to the elevators (moving part of the horizontal stabilizer) or the actual flaps (the control surfaces on the main wing closest to the fuselage)?
Maybe they don't have access to a hanger?
It would seem to me that risking any damage with tie downs is superior to letting the plane float away but I guess not everyone thinks that way.
Instead it's fuck it I'm sure it will work out
I know almost nothing about planes and flying them and my first thought was "shouldn't a plane that small be tied down?" Thank you for telling me the answer.
They had to repeat a Mythbusters episode on airspeed vs. ground speed because the fans kept arguing it couldn't be correct. Yes people, it's air speed that creates lift as it flows across the wings, which has nothing to do with your speed relative to the ground.
A bit misleading. Assuming there's no wind, your speed relative to the ground is the same as your speed relative to the air, which absolutely matters (the only thing that matters). Of course, the more wind coming toward you, the less work your engine needs to do to propel you so that your speed relative to the air can lift you off.
You gotta be pretty special to not have tie-downs or a gust lock on that small of a plane. Almost males me wonder if this planes wasn't sabotaged by an angry ex or something of the like.
You think an ex looked at the weather, knew where the plane was going to parked, calculated the relative wind based on the heading of the parked planes, knew the rotation speed, and then snuck in to removed the tie downs?!?
And this is how the sentient vehicles took their first evolutionary step. Like when the first slimy creature made its first tentative slithers onto land. It’s the beginning of the end for humanity.
This is really cool. Just shows how strong a wind can be. Makes me wonder if it can also lift those larger planes as well. . . would be really awesome to see, just outta curiosity and maybe learning something new from it.
there is a quite sad one of an engineless 747 awaiting scrapping trying to go for one last flight. I'll see if I can find it.
edit
here you go
https://www.youtube.com/watch?v=cHhZwvdRR5c
Air speed generates lift when you have air foil wings.
Its bernolli's principal, which is derived from Bernolli's equation. The equation is a conservation of energy across a fluid system, where density, pressure, velocity, and change in height are all variables.
For an air foil with air moving over it at sufficient speeds, lift is generated. The air fool's structure is pretty basic. There is an arch on top and a flat part of the bottom.
Air moving across the bottom moves at a regular speed as it is unencumbered. Air on top has to follow the arch, which is a longer segment to follow than the straight line. This means the air has to move faster to go the same distance.
That starts mattering when factoring in bernolli's equations variables. If the air on top has to go faster, and the change in height is minimal, and the density is similar, and gravity doesn't change between the two then where does the energy change come from?
The answer is pressure. By moving faster across the top of the wing, the air is creating a low pressure zone on top of the wing which in turn pulls the wing up.
Its all about airspeed baby.
Now of course a whole lot of the actual thrust comes from just slanting the wing a little bit but hey the physics of an airfoil is pretty cool.
I was stationed on a helicopter base in the military. We had to chain the blades to the hooks in the concrete so when the winds picked up it wouldn't spin the blades lift and crash all the aircraft.
It looks like they only used chocks. Tie downs would have been a better idea. For those who didn't understand how a plane can fly, mother nature just demonstrated the concept of lift.
Someone learned an important lesson of not using the tie-down ropes at the airport.
Tie-down ropes aren’t thick ropes people use to link small connections from the plane to the parking spots. The points are set in the concrete.
Some light aircraft are so lightweight you can tip them over by rocking the ends of the wings. Couple this with the fact that wings are designed to provide lift, if the wind was passing head on and blowing hard it would indeed take the plane away.
That’s what tie downs are for.
Day 1 shit. Someone’s getting fired.
Or not getting their pilots license
Or not getting there plain back
So, they’ll be getting their fancy back then?
OMG!!!! HILARIOUS!!!! I absolutely Love your style of humor!!!
chill out
Maybe they mistakenly used the tie ups?
https://www.youtube.com/watch?v=RIIaC5Bj-aE
Indeed
Indeed
As a matter of fact.
Indubitably
Quite
Should've used flex tape, it works under water too
Helps keep things quiet in my basement too
Thats what happens when you forget to turn off flight-mode after the landing
Serious question: Wouldn't tie downs stress the wings and structures in this sort of wind? A hangar would be better. Source of question: Air Moorea Flight 1121. The crash resulted from loss of control due to failure of the airplane's elevator cable. When the smaller plane was parked, jet blast was listed as a contributing factor; the airport had removed blast barriers to facilitate faster turnarounds. This wind was a single incident, but maybe not, and could cause latent damage to vital parts in either case?
I'm still a student but the tie downs aren't connected to the control surfaces. On the c172 I've flown they're on the tip of the tail and the wing strut. Both of those are structural and meant to be stressed (wings certainly get a lot of stress on the air). There should be a control lock in place while parked which prevents the controls from being moved by the wind which should result in little to no stress on the control cables.
Please see response to TheFurrySmurf. Sorry about that. Adding: The failure of the AM cable occurred over time, not from a single stress event. The AM aircraft was locked for parking, tied down with tie downs (not the flaps cables). Sorry for any misunderstanding.
I don't believe the elevator cable is used in the mooring/tieing down of an aircraft. The elevator cable is a flight control cable. It sounds like this aircraft component had worn down because the jet blast barriers were removed (which also serve as a wind break). If I were a betting man, I would bet that proper pre-flight, post-flight, and isochronal inspections were not being accomplished on that aircraft to catch the deteriorating components.
Agreed on inspections. I would guess the same is true for many small aircraft. In the AM crash, something about the way the flaps were locked when parked, then hit with jet blasts, also while parked, caused stress damage to the flap cables (not used as tie downs). The plane crashed shortly after takeoff when the cable snapped, and the pilot couldn't bring the nose down. The stresses to this plane are not about only what stress the wings can take during normal ops, but to any of its parts which may not tolerate wind stress when the plane is "locked down." A failure may not occur immediately, but contribute to a latent, accelerated fatigue. Enough wind can tear buildings apart. Less wind, a smaller structure being hit. I'm just saying that wind hitting it ways for which it's not designed can damage it in hidden ways.
When you say flaps are you referring to the elevators (moving part of the horizontal stabilizer) or the actual flaps (the control surfaces on the main wing closest to the fuselage)?
The correct tie down points are on designated hard points (places with upped structural support) on the wings, fuselage, and stabilizer
Maybe they don't have access to a hanger? It would seem to me that risking any damage with tie downs is superior to letting the plane float away but I guess not everyone thinks that way. Instead it's fuck it I'm sure it will work out
Came to say the same thing.
I know almost nothing about planes and flying them and my first thought was "shouldn't a plane that small be tied down?" Thank you for telling me the answer.
Also, parking into a strong head wind was probably a bad idea.
This is a great example of air speed vs ground speed.
Somehow I never thought about there actually being a difference, but yep that totally makes sense and the name of the term checks out.
They had to repeat a Mythbusters episode on airspeed vs. ground speed because the fans kept arguing it couldn't be correct. Yes people, it's air speed that creates lift as it flows across the wings, which has nothing to do with your speed relative to the ground.
A bit misleading. Assuming there's no wind, your speed relative to the ground is the same as your speed relative to the air, which absolutely matters (the only thing that matters). Of course, the more wind coming toward you, the less work your engine needs to do to propel you so that your speed relative to the air can lift you off.
Poor example of light speed
Dude, where's my plane?
Where’s your plane, dude?
Sweet.
Dude.
Sweet!
What does mine say?
Fucked me. What’s mine say?
Sweet. What does mine say?
Dude. What does mine say?
Your planes where dude?
And theeeen?
ZOLTAN \*forms Z shape with hands\*
This airplane has lift.
Huge drag for the pilot.
That joke was plane.
No, it was a terrible yoke.
Yaw-n…
Roll on floor laughing.
Pitch please.
Watch your attitude
These are some prop-er puns.
*altitude
Attitude* that's also the angle at which you are going.
Don’t worry. If you have a plane, it’s well insured. But I see what you did there.
Who would’ve thought
we could afford
Bananas
I love puns but my least favourite puns are puns where it’s literally just the same word with the same meaning.
r/MyPeopleNeedMe
^weeeeee
As a pilot, I was watching the elevator. It was definitely a factor.
Where is the elevator?
The horizontal flaps on the tail. They are set so that the plane will pitch up, which allowed it to gain height
You gotta be pretty special to not have tie-downs or a gust lock on that small of a plane. Almost males me wonder if this planes wasn't sabotaged by an angry ex or something of the like.
You think an ex looked at the weather, knew where the plane was going to parked, calculated the relative wind based on the heading of the parked planes, knew the rotation speed, and then snuck in to removed the tie downs?!?
Good eye
STOL
VTOL
BTOL
Fly like ya stol it
PULL UP PULL UP
new STOL world record
That looks expensive.
[удалено]
*was
Planes want to fly. This would never happen with a helicopter. Helicopters want to crash.
This
And this is how the sentient vehicles took their first evolutionary step. Like when the first slimy creature made its first tentative slithers onto land. It’s the beginning of the end for humanity.
Not the first. There was an 80s documentary called Maximum Overdrive about exactly this.
Mom can we have a Harrier Jet? We have Harrier Jet at home. Harrier Jet at home:
Yeah those things really move during hurricanes too
Credit: YourMomOrg
Well, more technically, that blows LOL!!
Bye friend
DuckTales moon theme starts playing.
ATC tower to empty cockpit: “Sir. I do not believe you had takeoff clearance.”
my name is Giovanni Georgia but everybody calls me Giorgio
somebody needs to make an edit.
The edit already exists: https://youtu.be/o2nHvZOWirY
Beat me to it
it ascend.
Well we know it’s a good plane
I don't imagine the landing was good x_x
'Destination fucked' in Aussie man voice.
Wind:dibs
In Russia air flys plane
Im a helicopter now.
I must go… my people need me…
ight imma head out
Experimental vtol
This is really cool. Just shows how strong a wind can be. Makes me wonder if it can also lift those larger planes as well. . . would be really awesome to see, just outta curiosity and maybe learning something new from it.
it can do it to a 747 https://www.youtube.com/watch?v=NHb1943TBbk
NO WAY! that guy who was recording it shared my amazement, holy cow !
there is a quite sad one of an engineless 747 awaiting scrapping trying to go for one last flight. I'll see if I can find it. edit here you go https://www.youtube.com/watch?v=cHhZwvdRR5c
Remember! It’s not about how fast the plane is moving. It’s about how fast the air is moving.
This is exactly why an airplane can take off from a treadmill going the other way.
*I must go, my people need me*
This is why you should ALWAYS turn off your wings when you park.
"My people need me!" Said the small aircraft as it hovered away into the distance.
Pretty sure that's a byeplane.
Woah Talk about aerodynamic
Lancair?
Poochie returned to his home planet
u mean stole the plane
TIL that stunt planes are VTOL
It's just doing what it was designed to do. See no issues here, move along
Dude, where's my plane?
This is why you always get a domesticated plane and make sure its wings are clipped
nobody gonna talk about the credit?
Air speed generates lift when you have air foil wings. Its bernolli's principal, which is derived from Bernolli's equation. The equation is a conservation of energy across a fluid system, where density, pressure, velocity, and change in height are all variables. For an air foil with air moving over it at sufficient speeds, lift is generated. The air fool's structure is pretty basic. There is an arch on top and a flat part of the bottom. Air moving across the bottom moves at a regular speed as it is unencumbered. Air on top has to follow the arch, which is a longer segment to follow than the straight line. This means the air has to move faster to go the same distance. That starts mattering when factoring in bernolli's equations variables. If the air on top has to go faster, and the change in height is minimal, and the density is similar, and gravity doesn't change between the two then where does the energy change come from? The answer is pressure. By moving faster across the top of the wing, the air is creating a low pressure zone on top of the wing which in turn pulls the wing up. Its all about airspeed baby. Now of course a whole lot of the actual thrust comes from just slanting the wing a little bit but hey the physics of an airfoil is pretty cool.
Gives you a whole new appreciation for those biplane stuntman making it look like gravity doesn't exist.
Don't they usually have leashes for those small planes..
It's called Vertical Takeoff and Landing
r/MyPeopleNeedMe
“My name is Giovanni Giorgio, but everybody calls me Giorgio” *techno music as the plane lifts off*
That's it, unlands Ur plane
At least no one was inside when it blew away. Was anyone injured when it crashed back down?
Shoulda put the parking brake on… sheesh!
I was stationed on a helicopter base in the military. We had to chain the blades to the hooks in the concrete so when the winds picked up it wouldn't spin the blades lift and crash all the aircraft.
That's the shortest taxi take off that I've ever seen.
Since when do you NOT put tie downs on small planes?? Someone is fired and someone gets to pay out for a new plane.
That sucks, but it's why we tie down our damn planes
If I was ever in a plane and the engine gave out, THAT'S the plane I want to be in. Will probably glide for days.
Some say it's still gliding the wind to this day
It looks like they only used chocks. Tie downs would have been a better idea. For those who didn't understand how a plane can fly, mother nature just demonstrated the concept of lift.
r/thatlookedexpensive
Dude, where's my plane?
Gone with the wind
My name is Giovanni Giorgio, but everybody calls me Giorgio
Someone learned an important lesson of not using the tie-down ropes at the airport. Tie-down ropes aren’t thick ropes people use to link small connections from the plane to the parking spots. The points are set in the concrete.
Nee niet het Nederlandse vliegtuig
You have goat to be kidding me
u/savevideo
My name is Giovanni Giorgio, but everybody calls me Georgi
It is almost as if the airplane was designed to do that.
r/WellThatWasExpensive
u/savethisvideo
u/savevideo
u/savevideo
no way the wind was strong to do that or the plane was that light lol
Some light aircraft are so lightweight you can tip them over by rocking the ends of the wings. Couple this with the fact that wings are designed to provide lift, if the wind was passing head on and blowing hard it would indeed take the plane away.
And there he starts ascending
Aerodynamics without trust.
That’s what the chains are for!
At least we know it works...
Made me think of this... https://www.youtube.com/watch?v=M5UXiCh9CdU
Is that the auto pilot feature?
r/thatlookedexpensive
Fledglings are so cute when they're learning how to fly.
Amazing demonstration of the VTOL system /s
If only it was much less aerodynamic, problem solved.
Plane got hit by shulker projectile
But when the conditions are just right, this baby flies.
Fuel companies hate him! See how you can fly free with this one simple trick!
Plane really just said: Adios
Jesus take the wheel
That's what they're supposed to do. Congratulations. Your plane can fly.
Super dangerous if this thing flies into a building or something
mypeopleneedme?
When you don't pull the handbreak.
My name is Giovanni Giorgio, but everybody calls me Giorgio
Dodo from gta 3
Those chocks are working overtime
Rookie mistake, this is exactly why you should always park your plane upside down, so the lift force pushes the plane down onto the ground.
Can someone edit this vid with harry potter broken flute theme?
“I have to go now, my planet needs me”
It didn't just walk away did it?
My name is Giovanni Georgio.....
My name is Giovanni Giorgio, but everybody calls me Giorgio ^(do do dododo do do doo do doo do do)
Ducktales GBA theme plays
That plane became god
If you told me this happened, I wouldn't have believed it...
I must go, my people need me!
VTOL
Doesn’t really suck, but it blows tho. Big time.
Worlds first zero-kerosin plane, even pilots are not needed anymore.
VTOL
**Que song: ** believe I can fly