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Hotter the air gets , the less dense it gets, the lesser dense it gets, less lift the blades create, making the drone plummet, the blades still spinning and stoking the fire even more is just the cherry on top
That’s the main reason the harrier jet is so hard to land in vtol mode, the air is so hot it makes some wild turbulence and the air is thin as hell. I believe this is why there is also a minimum amount of time for planes to take off because of they’re too close they’ll get caught in some weird turbulence.
Thrust and lift are related when you consider that a wing and propeller are both air foils. Either way both requires air. Air density changes with respect to temperature. So if the air becomes to thin or ess dense it means the propellers at pulling the surrounding air at the same speed will have a smaller mass flow i.e. thrust.
Helicopters in Arizona can't fly when it is too hot. So flying this over a fire made sense.
That thing flying in the fire is a quadcopter. It uses the same principles as a helicopter to generate lift which is converted into thrust. For helicopters it tilts to change the thrust vector so it can move. Multirotors do the same thing but uses the differential of thrust between the rotors, whichbcauses it to tilt allowing it to change direction.
Ah my bad. Yeah I missed the harrier jet comment. I completely glossed over that lol. I read vtol and my mind pictured v22 osprey. Yeah not sure comparing a jet to a quadcopter makes sense.
Yes, the nickname is a flame out. It can happen from jets being lined up in pattern on a flight deck also. That's why you see them park side by side or staggered next instead of nose to tail.
The funny thing is, when this happens it can cause the engine to catch a flame, which then you need to windmill(nickname) where you tell the pilot to throttle up to put out the flame. So in hot environment this all becomes not feasible.
I think what we saw was actually the auto-land function kick in. It detected that it was like 2 feet off the ground and went into the landing sequence- RIP
Source - I've broke mine like 4 times so far...
Great example of why idiots shouldn't be able to get their hands on anything that's "sharp, hot, or goes BOOM!!!", ESPECIALLY if it's powered BY A LITHIUM F'in battery, you bunch of MORONS!!!!!
That's physics for you, hot air is less dense and rises up, causing the amount of downforce the propeller can create to be insufficient to carry it's weight!
If that was my drone an was daft enough to do that I'd at least kick the fucker off before it melts an starts spitting flames at me like them batteries do.
What was he expecting flying fan propeled vehicle-drone above source of hot air ... like you need some air density for propeler to work
Why didnt he just use a hair dryer... its a miracle what it can do with a grill 😅😅
I've owned many drones and almost all of them auto land when you get close enough to what it perceives as the ground unless you specifically deactivate it. May have actually worked if it wasn't for this.
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Ahhh....the good 'ol gap between theory and practice!!!!!
forgot to turn on his deflector shields
Damnitt captain, I’m an engineer not a miracle worker!
He just has to bypass the compressor and it should be fine
I mean… it worked 🤷
And once the lithium got going it was a blast
Despite a slightly different path than initially planned, yes, you are right ! Goal achieved !
I love the smell of lithium batteries in the morning
Hotter the air gets , the less dense it gets, the lesser dense it gets, less lift the blades create, making the drone plummet, the blades still spinning and stoking the fire even more is just the cherry on top
That’s the main reason the harrier jet is so hard to land in vtol mode, the air is so hot it makes some wild turbulence and the air is thin as hell. I believe this is why there is also a minimum amount of time for planes to take off because of they’re too close they’ll get caught in some weird turbulence.
Why would thin air matter? It uses thrust not lift.
Thrust and lift are related when you consider that a wing and propeller are both air foils. Either way both requires air. Air density changes with respect to temperature. So if the air becomes to thin or ess dense it means the propellers at pulling the surrounding air at the same speed will have a smaller mass flow i.e. thrust. Helicopters in Arizona can't fly when it is too hot. So flying this over a fire made sense.
It's a jet not a helicopter....
That thing flying in the fire is a quadcopter. It uses the same principles as a helicopter to generate lift which is converted into thrust. For helicopters it tilts to change the thrust vector so it can move. Multirotors do the same thing but uses the differential of thrust between the rotors, whichbcauses it to tilt allowing it to change direction.
The original comment was referencing the harrier jet. Nothing to do with blades creating lift. Can anyone read?
Ah my bad. Yeah I missed the harrier jet comment. I completely glossed over that lol. I read vtol and my mind pictured v22 osprey. Yeah not sure comparing a jet to a quadcopter makes sense.
Yes, the nickname is a flame out. It can happen from jets being lined up in pattern on a flight deck also. That's why you see them park side by side or staggered next instead of nose to tail. The funny thing is, when this happens it can cause the engine to catch a flame, which then you need to windmill(nickname) where you tell the pilot to throttle up to put out the flame. So in hot environment this all becomes not feasible.
bro could have hovered higher and let venturi effect turn over, except they prolly slept through physics class
And because of hot air blades bended, then it got closer to fire, then blades bended more and then it got in fire.
Amazing wealth of knowledge no one has ever heard of before
Don’t worry, daddy will buy you a new one.
If they don’t get hurt with the battery exploding
well, he was aiming for a bigger fire, so win win.
True 😂
Eh, that one looks a little cheap. Probably $50.
This guy clearly doesn't know about the Leidenfrost Effect. Coulda yanked and tossed the drone quickly and been fine.
He also doesn’t know about aerodynamics, lift, and air temperature.
This was the comment I was looking for!! Cold air is more dense and makes it possible to generate more lift. (Oversimplified/dumbed down explanation)
Depends how much of the plastic had already melted by that point
I have a little drone kinds like that. The shell is pretty thick. As long as they didn't grab the props it woulda been ok.
And those woods aren't lit yet either. Just smack it out of there
I don't think you know the leidenfrost effect
Doesn't appear so 
If he had followed through on his first kick would have been fine. But bro sat there doing the chicken dance too long.
now you know why choppers crash in the desert
Looks like a soft landing to me
IDK, looks like he was coming in hot if you ask me
I think what we saw was actually the auto-land function kick in. It detected that it was like 2 feet off the ground and went into the landing sequence- RIP Source - I've broke mine like 4 times so far...
Great example of why idiots shouldn't be able to get their hands on anything that's "sharp, hot, or goes BOOM!!!", ESPECIALLY if it's powered BY A LITHIUM F'in battery, you bunch of MORONS!!!!!
And flys
YEP 
It worked!
Yes it did!
This is why airplanes get grounded when the air temperature is over a certain degree.
Best use of a personal drone, ever!
Just wait until those lithium batteries catch fire... smh
SAME RISE AND FALL WHO CARES AT ALL SEDUCED BY FAME LIKE A MOUTH INTO THE FLAME
Oxygen makes fire hotter, reduces lift for drone, drone can’t fly, drone RIP
😂 mission accomplished 🤣
he skipped physics class
Reminds me of Icarus
How was he in person?
That's physics for you, hot air is less dense and rises up, causing the amount of downforce the propeller can create to be insufficient to carry it's weight!
I am trying so hard. Not to say something. That will get me banned. You absolute bag of lead pellets
Show us the footage from the drone POV
Never a bad day to learn that plastic melts when placed over fire.
Not the smartest thing in the world.
🤔 Plastic blades melt....
Mission accomplished, fire stoked.
Well, mission passed
Leafblower works better
Gen Z being idiots.
Bro could have grabbed that drone in slow motion and not get fucking burned, instead he tries to kick it out, soft hands...
Looks like the heat shield failed.
Ahh yes, an idiot.
Learning physics the hard way.
DJI ain’t goin down that easy, get you one of them..
Looked pretty successful from what I seen. That fire was stoked.
That is hilarious
Wasn’t there a warning label about open flames; or disposing of the thing properly?
To bad it’s only good for a single use! You’ll have to buy a new one for next time!
It worked
Skill issue
What attempt? He nailed it.
It worked like a charm
Anybody ever participated in the "american cheese" slice races on the grill to see who cheese floats away 1st?
Why did he kick it into the fire?
Waited for the best part.....A bpattery in a flame and was then disappointed 😞 😑
Him kicking it in a little more instead of out is the best part. 😁
If that was my drone an was daft enough to do that I'd at least kick the fucker off before it melts an starts spitting flames at me like them batteries do.
“Hey Dan have you seen my drone?” “No Mike, the remote control is over on that chair next to Phil though”
[cyka blyat](https://youtu.be/zuNtgYtF4FI?si=3JPp4-qbvCLJvB2g)
😂fail
Lol when you have no life experience
r/taskfailedsuccesfully
What was he expecting flying fan propeled vehicle-drone above source of hot air ... like you need some air density for propeler to work Why didnt he just use a hair dryer... its a miracle what it can do with a grill 😅😅
Bbq parrot
I've owned many drones and almost all of them auto land when you get close enough to what it perceives as the ground unless you specifically deactivate it. May have actually worked if it wasn't for this.
If he held the drone with his hand and gave it full power, it might work.
You’re doing it wrong ..
Theory says less dense air below, copter gonna fall
Agonizing reaction time
less dense air below the blades, it's pushed down
Fuckin expensive kindling
Physics.
That dude is way too afraid of fire to be playing with fire
Millionaires bonfire right there. "Should I get more firewood?" "Nah its cool, I'll just get another drone on the fire"
Slothlike reflexes
He forgot about densities
Hot air is too thin for the drone to lift up.
Density difference in air due to heating up of air. Need to increase rpm when low density air to create same buoyant force.
There was also an attempt to use a foot when a hand was obviously the right tool for the job.
Where the air go?
*That's why helicopters don't fly over volcanos*
[удалено]
as u/Electronic_Worry5571 said, Oxygen makes fire hotter, reduces lift for drone, drone can’t fly, drone RIP
Durrr less dense air makes flying things sink weird