STRAPPED INTO A FALLING HELICOPTER - Smarter Every Day 154
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- Опубліковано 28 вер 2024
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Tail Number CGYYW is a 2011 Robinson R44 II
The rotors can free wheel because of something called a "Sprag Clutch". en.wikipedia.o...
You'll note that I didn't call out the stall region of the rotor system on this video. It's the inner 20% of the rotor.
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The graphical elements that are on page 1-46 and 1-47 of this manual were a huge help:
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The type of aircraft int his video is an R-44
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Warm Regards,
Destin
So glad you hit me up when you came to town. Was a blast flying with you, and thanks for the shoutout!
You are great! Fly safe :)
+Bradley Friesen Man, I'd give my kidney for a tour in that helicopter.
Awesome stuff
those beard is awesome man
+Yrezifity Become a shaker (one who salvages cedar blocks used for shakes and shingles not the religious folks) and you will get plenty of heli time to enjoy beautiful British Columbia from a flying brick.
I was a U.S. Army helicopter pilot and part of my time spent in the Army was as an instructor pilot. I taught the 1st 50 hours of flight instruction., out of a 210 hr. course. Before our students moved onto the 2nd phase of instruction they had to learn and complete 3 solo autorotations (to touchdown). Scores of practice autorotations were done prior to that.
When an autorotation is entered the pilot bottoms out the collective, applies pedal to keep to aircraft from yawing and turns into the wind, looking for a suitable landing area. The aircraft is put into an angle of descent that keeps the rotor RPM at an optimal speed. At NO time is the collective used to control the rotor speed during descent. Just before touchdown the aircraft is flared (to slow it down), leveled out, and then collective is applied to soften the landing.
Yes but different helos have different tolerances and some, depending on altitude the autorotation is preformd, can over speed their rotors before reaching flare altitude if the collective is bottomed out too long on a steep decent with a heavy load and fuel.
Thanks for this clarifying info... The vid tho informative yet not specific enough as your explanations. Still, thought of something like this as well (i m not a pilot but do interested to becomes one, 😊) and your's just nailed it. Thanks.
I assume you were stationed in Alabama where Destin and I live...must admit, I lived close to the base (Ft. Rucker) where Army Helicopter Pilots train and it's seriously void of nearly everything except humidity, mosquitos, snakes, and lots and lots of flat land...I did throw out the 1st pitch at an AU vs AL baseball game in 2010-2011 or so at the historic building and ballyard with the river behind it and a railroad going through the outfield (or did)...kinda cool...By the way, my Uncle was Adjunct General of MS Air National Guard for years and Commanded the Air Base on Meridian, MS...he's been retired probably 20 yrs now though...initials are M.S....may know him...great guy...my favorite uncle and aunt by the way...
Collective IS used to control RRPM during descent. Too low then lower collective to reduce pitch on the blades. RRPM too high, increase collective to increase pitch and therefore slow down the rotor disc.
@@tactcom7 I taught in the TH-55A (the Army's primary trainer at the time). We entered autorotation by bottoming the collective, and it stayed there until you flared out and then raised it to soften the landing. The proper glide path (and therefore the airspeed and rotor rpm) was achieved by raising or lowering the nose.
NDgT takes it like such a champ! Admitting to yourself you were wrong and not feel defeated is what a scientific mindset is all about.
+kirkelicious Super classy.
Definitely an individual to admire.
+SmarterEveryDay As a college professor of mine said, "think that you may be wrong". I live my life that way every day and it makes a world of difference.
+kirkelicious No, checking your actually right before you make a fool of yourself by advertising your opinions, much more scientific. All it would've taken is one google search. Eg, "Do helicopters drop like bricks" -> no. Not really too much to ask where your opinion will then make it to millions of other people, many of whom won't know better, and will now be misinformed, even ardent about it, because they heard about it from a man, who should've known better. Life advice, stay off twitter
+kirkelicious When u are a smart person, you realize you are rarely "wrong". Instead of seeing it as something wrong, you should view it as "You have just learned something."
16,000?!? well ill catch up in about 15,948 hrs :(
:'D
Well I'm reaching 160,000 hours I'm an engine
+Bob Swagger That's the spirit.
+Bob Swagger congratulations, you're a 0.0052 of a master :)
that is 666.666... days. Two months shy of 2 years in a chopper.
I approve!
+Cody'sLab whens the next video coming out?!?!? and whens the next mine episode
I'm currently working on several videos mine included. I'm hoping to get the 250k video out this weekend.
ERR MAH GAWD HE REPLIED! moar bees pls!...
Cody's lab hi
you're the man cody
was that a crashed plane?
pitt-lake.blogspot.co.uk/2011/12/few-photos-of-1953-mitchell-b-25-crash.html
+becton98 B-17
No it's a b-25
+becton98 Yep. A B-25 pitt-lake.blogspot.ca/2011/12/few-photos-of-1953-mitchell-b-25-crash.html
Huh looks kinda small for a B-25, I initially thought it was a P-47
Next on SmarterEveryDay: *Will Donald Trump fall or glide once dropped out of a helicopter?*
+HoomanTV He will make gravity great again...
His hair will create lift and will therefore glide and he will survive to make America great again.
+HoomanTV He'll fall, but he'll survive. His ego will act as a parachute or a cushion.
People think a helicopter can't glide, but it do.
does*
+VASAVEDOOM "but it do" is a quote from Oscar Gamble but it is more of a meme now.
+Hannes Leek TIL the origin of "but it do"
***** Today I learned
+@ppleSIN Today You Learned TIL meaning
It's been a dream of mine to own a one seater gyrocopter one day. They're like a flying go kart.
Sounds pretty cool, why dont you modify a go kart so that it flies? And make a video of it of course
+Flynn Asher simply face palm
Patrick Mathew what, you're calling me stupid for a satirical comment? Face palm
Patrick Mathew I'm not triggered. Shut up
Flynn Asher That's what someone who's triggered would say.
"Almost! And I broke mine!" So funny xD
Dude! Kudos to you and bears at the helm. That was an awesome video.
Ha great stuff, I subscribe to both you guys :-)
+bigclivedotcom
Nice to see favorite UA-camrs.
Interesting fact: There's an aircraft called an AutoGyro or gyroplane. They're basically airplanes that don't get their lift from fixed wings, but by rotary wings on autorotation alone as part of their normal operation. They have a large swamp boat-like propeller on the back that keeps the aircraft moving forward. The blades are not attached to the engine and provide lift by autorotation alone.
Seen them before, never realised the blades were unpowered! Thanks for the interesting fact :)
Love this video! (Also love how your older son said "maybe" to whether others kids would like Kiwi Crate. Truth in advertising!)
+sutematsu He wasn't going to speak for other kids I guess!
+SmarterEveryDay Right? He seems like a cool guy. :)
+SmarterEveryDay my grandpa said if the engine locks up instantly the drive shaft for the propeller it will break it Frome the force and it will keep spinning and that fan thing stuff
+SmarterEveryDay P.S. Love the videos!
+SmarterEveryDay
I wonder if you still have the same respect for Obama now that he is ordering schools to accommodate transgender students. He says he is Christian but his policies seem contrary to Christian morals.
“So I wanted to question this by putting my life on the line”.
What a mad man.. a noble one.
It's not really dangerous at all when done in a controlled environment with an expert pilot.
I'm a pilot in airplanes and helicopters and autorotation training is challenging and scary and my least favorite thing.
If you are afraid of it, you are unsafe... get more training.
@@hotrodray9884 I hate the falling part of rock climbing even though it’s perfectly safe if you are belayed correctly. Sometimes we are afraid of things even though we know they are (mostly) safe.
@@hotrodray9884 people tend to forget pilots are humans too
I love auto training man! see it as more of a flight configuration than an emergency now
Thanks for the warning. Because you have your ticket doesn't mean you're a good nor safe pilot. If you're afraid of anything you may want to look at something else like wine tester.
Is schooling Neil the hardest achievement on steam ?
+The Gambler They haven't even created the badge for it yet ;-)
Omg that jump at the end was hilarious!
+Adrian T i was expecting someone to just run headfirst into it.
i use this trick in arma to land safely when my engine gets shot out 😇
WolfWhisky same lol
Most genius thing i have heard
Engineer, Teacher, Content Creator, Awesome, Father. We love you Destin you are an amazing person :)
Nothing wrong with being a Christian, it's just someone's beliefs
was this in response to me? I didn't say anything about being a Christian, while I am not religious in Destin's case I don't really mind, he doesn't shove it down our throats and he has a nice balance of science and religion he also seems open minded and friendly. I respect his choice to be religious and im sure he respects my choice for not being religious as long as i am not hurting anyone or hating on religious people :)
this is the dude, that casey and oscar are with right now!
Yeah...i thought i recognized him. I had to go back to this video and check
+Andreas Wendelboe woah me too
He has his own youtube channel and his content is amazing 4k quality aswell check it out Bradley Friesen
AustrianPyro haha, freut mich immer voll wenn ich erkannt werde :)
Loved this, so well explained. Was expecting this to be over my head, totally got it! Helecopters are awesome!
STRAPPED INTO A FALLING HELICOPTER
SMARTER EAVERY DAY? hmmm ???
But he explained how you can survive if a helicopter engine fails.
How did you end up in this neck of the woods, Vancouver is still much an unknown place to most of the world.
+videoclipits Gordon (the guy that wrote the music for Smarter Every Day, including this video) was getting married up there!
+SmarterEveryDay Cool. Check out my channel on landing in the back country, without a chopper. Airplanes can hold there own too in that dept.
Ordered the koala crate for my kiddo! What a great idea and a great way to support an amazingly unique channel.
+dh93085 Thank you SO much! It directly helps Smarter Every Day!
In my military career I was both an Army and an Air Force instructor pilot in the UH-1 Huey helicopter. Army pilots are trained to make autorotation landings that slide after touchdown (like Gerry did). The Air Force required touchdowns to have no slide because you are more likely to land on a soft surface - dirt, mud, water, treetops, etc - than you are a runway. This was done by just before landing pulling the nose up to reduce forward speed and to build rotor RPM, then transitioning to a hovering autorotation (just as if your engine failed in a hover). I always thought the Air Force way was a better idea.
I concur. I was taught to slide it on. But as civil pilot, I was later taught that the helicopter could do much better. So I practiced 0 airspeed landings. I flew both Hueys and Apache's in the Army and later received great training from Bell at their training academy.
8:28 - "Get to da choppa" 😂😂
Tinker crate: 9 - 16+ Yes! Still in my age range thanks to that plus ^.^
+MagicLegend You'll dig it I promise! www.kiwicrate.com/smarter If I didn't get the tinker crates for my son.... I would get them for me.
How awesome is it to have such a huge name respond to you?.. Thanks for showing the world that helicopters can be landed safely with autorotation.
For someone with so many hours Im surprised he let the ship slide so much sideways on the running landing. I did that the other day with my instructor and got an ear full about dynamic rollover
I have no flying experience, but I also felt like it was almost a bad landing. It was dangerously close to going sideways. The pilot also says something to the guy next to him immediately after landing and the guy laughs, but I can't make it out. I feel like he said something like "that was almost bad".
I think he say ''that was a close one''.
I just turned it up really loud and it sounds like he said "that was a cool one".
Not enough left rudder or too much right rudder
umm.. I have no flying experience either but he was landing with a dead engine. That has got to make it harder to make a perfect landing I would think.
Love you, Destin, and Neil deGrasse Tyson. It's cool to see you guys have a good relationship, as you're among those amazing individuals trying to bring science to the masses.
Only the ones who watch your snapchat story know the struggle to render this video!
Thanks for you hard work, Destin.
+ruberband29 The struggle was so incredibly hard.
SmarterEveryDay You're our modern day hero, Destin!
Just finished auto-rotations in my training, great timing.
***** Thanks.
Would you mind answering, can you do this from any height or is there a point where you're too low for the wind to generate sufficient lift but too high to land safely without lift?
Nelinno04 You can do it from pretty much any height but when you are low you need speed. If you're at 50 feet not moving and your engine fails you're not going to have a good time. When you air-taxi you're under 100 feet but you are moving at a high rate of speed so that an auto-rotation for a soft landing is still possible.
Computer Ok, thanks.
8:37 Bradley's pupper has more flight time than most men alive haha
Is this just a coincidence that a video about crashing helicopter is exactly 9:11 minutes long? O_o
Helicopters had nothing to do with 9/11.
It's actually 9/12
Definitely not a coincidence.
Awesome video Destin. I'm going to go get my kiwi crate momentarily. I would however like to know more about that plane crash you guys flew over. It looks like it hit the ground like a brick.
+mute8s It was a crash of a Canadian Air Force B-25 high in the mountains from back in 1953. Unfortunately 3 men lost their lives.
I would love it if you got a kiwi crate. I like their product so much I reached out to them and asked them if I could advertise for them.
SmarterEveryDay Wow those parts seemed to be in remarkable condition for having crashed in 1953. I'll dig around the net and see if i can find more info. Thanks for the reply and keep the great videos coming!
+SmarterEveryDay I thought it was the infamous B-36 Broken Arrow wreck. Thank you for the information!
+mute8s Also, thanks for being willing to checkout kiwicrates. Here's the link: www.kiwicrate.com/smarter
+mute8s aluminum doesn't rust. :)
Duuude ive known about this but this guy explians it so well, great guy
That notification of the tweet actually made me check the app (watching on the phone)
Smarter every day? More like smarter every month!
You should look into gyrocopters. They fly entirely on autorotation. People don't know that the main (top) rotor is not actually powered, its driven by incoming wind speed from forward momentum which is why they don't need a tail rotor to balance the rotational forces. Its all driven by the rear rotor that only pushes the aircraft forward.
Well said!
When you already know about it but you like the way he breaks it down
When i served in the 101st Airborne, pilots spent a lot of time perfecting and practicing controlled landings in just this situation.
Easier to think of this, is to think on the helicopter shaped flowers, they land really slowly rotating. No?
+bluetorch13 Well, the whirlybird tree seeds.
+NickRoman search in spanish "Chaparro Morado" they are 5 blade seeds doing the same thing, it's awesome
+bluetorch13 I know you're talking about maple tree seeds but still all I could think of was AH-64 Apache helicopters growing in a field.
+bluetorch13 yeah you are right about that, but I think the proportions are a little to wild to scale up, the helicopter wing would be gigantic. :p
MegaMoth :D
AND I BROKE MINE! - So cute.
8:34 imagine you scream Marko and the echo responses with Polo
I don't really like echoes. They're just so repetitive.
The plane wreckage seen on the mountainside at 1:34 is a RCAF B-25 that crashed in 1953 while on a training flight. All 5 crew members were killed.
what a great pilot.
This channel is a refreshing change of pace to the dumber daily channels
as my worlds collide as a pilot and a nerdy type (Neil fan).. everytime you say "collective" I think "resistance if futile"....
Sure was a beautiful view from that helicopter!
Interesting, didn't know you could flare a helicopter. As a skydiver you flare your canopy every time you are about to touch down, giving you a much smoother landing. Never realized you could do that with a helicopter as well, that's pretty neat!
"i'm gonna put my life on the line ... Let's get smarter everyday".
That tweet would have been easily countered with one simple question.
Why aren't buildings made out of helicopters then?
I've always wondered this and now I finally know. Very neat stuff.
Who else thought they had a Twitter notification for a slit second..then realized your actually not that cool and never get notifications
me :(
+MrCristie1 Have twitter, have never heard one........ I guess it protected me just this once.
Me, and i don't even have twitter!
RIP Kobe 💔
16000/24=666
that man spent two years in the air
That's some math I can respect!
hahahhahahha thanks :P
+random blowup Legend has it that he is still up there, somewhere. And if you listen very carefully, you might just hear his rotors slicing through the air.
they say
and guess what they say too ?
they say that if i reached 100 subs i will do the kool aid challenge
This was an amazing demonstration of the fact that every pilot sounds like a Bill Clinton impression when on comms
It looks so cool when theirs like a plane crash on the mountain not cause of the death it just looks cool
anybody found that crashed plane on google maps?
capoeiraES Do you know where they where like what mountain
no clue, man. don't they say it in the video?
capoeiraES IDK haha
judjing by the color of cover and the rotor - it's probably mid 40s to mid 60s crash,
For a second there I thought you had Michaelcthulhu with you lol. =)
OMG I am smarter than Neil Degrasse Tyson, I knew that. because I watched your older series about helicopter of course.
Just means ur smarter than him...at helicopters
+Classy Churchill I am pretty sure that I am smarter than him in other things too.
Everyone you will ever meet knows something you don't... and visa versa. It doesn't mean your smarter or they're smarter.
+David S. I know that, I was just joking
+Classy Churchill the word is knowledgeable. Intelligence isn't something that increases, or decreases (except in cases of brain damage, or temporary altered states) Intelligence is hard to define, but it most definitely is not how much you know. Anyone can dedicate the time to learning anything, it doesn't make you 'smart', or 'intelligent'.. it makes you informed, knowledgeable. Even IQ is a highly disputed method of measuring intelligence, as it's far too simplistic of a measure.
Here after kobe's death. Makes me wonder how the pilot didn't save the heli
The helicopter was on fire
I'm no expert, but I imagine it was a list of issues. Difficulty finding a suitable place to put down, fire onboard, gearbox issues, etc...
This is why helicopters need parachutes just like we airdrop battle tanks and Humvees
TheTwitchJester There was no co-pilot, only one pilot.
@@Ken-sm7hh Those things fail pretty often.
I got my aversion to helicopter flight from watching my dad fly with a buddy who used to do chopper flights in vietnam.... I didnt even now a chopper could be landed backwards till then...at full speed as he cut the engine off it kept sliding a little as he jumped off with half a case of Busch and a joint hanging from his mouth ..
"Am I late?"
"No... but this is a city park and I dont think you can park on the stage.."
This makes it sound as though you're in for a nice glide to the ground, history shows most people don't survive a chopper with failed engine. These people like to fool themselves to feel secure up there.
There are also some videos of a helicopter auto rotation, one of a news helicopter, which was a bit eratic
Yea this is a really common misconception. I use this all the time in heli sims to save fuel
If you a really brave,fly the helicopter backwards as quickly as you can and it will turn around 180 degrees... it's also a way of gaining controlwhen your tail rotor is broken. Start to spin... Reverse! Heli spins 180 and gives you some straight-forward momentum... sometimes enough to land
He was probably referring to the "seized engine" type of failure. "Seized engine" means the engine is unable to turn. On a propeller plane you can "feather" the propeller on the seized engine, reducing its drag drastically. On the other side if the rotor of the helicopter is unable to rotate at all, you are indeed a brick. Thus an engine on a helicopter must be constructed in a way that the "seizure" is insanely unlikely to happen. Basically, you can't just bolt the rotor onto the engine, there must be some sort of slip bearing between the two, permitting the rotor to rotate even when the engine gets stuck.
I can totally imagine that early helicopter designs were prone to this "falls down like rock" and after investigation the construction was modified to permit this autorotation failsafe feature.
Roughly 2 years In the sky...amazing
Everybody: This is so cool!
Me at 1:34 - 1:41: *W-was that the site of a plane crash?*
Destin, please make a video on HV curve too. A helicopter cannot autorotate from any height or velocity condition and safely land as far as I know.
This came on my recommendations a few weeks after Kobe Bryant’s death
l l l Soooo original
scearch on youtube "arma 3 how to land a helicopter without a rotor"
Very nice & interesting! 👍Well explained!Thank u! 👍❤️it! Yes,"practice!" He said it rightly!❤️
Great video as always! BUT no commentary about the crashed airplanes - looked like 2 or 3 - as you took off for your tour
Just your ordinary crashed airplane in pieces nothing to be worried about
Yep,weather is rough at time
F in chat for the people who where in that plane. 1:35
how is he a well respected scientist if he publicly tweets ignorant nonsense?
Neil tyson that is...not Dustin
An autogyro always flies in autorotation. That would be a relatively clumsy landing, in gyro terms. Helicopter blades are small.
This lake looks very remote but it's actually only a few minutes by helicopter from Vancouver. I can see Pinecone/Burke Park form my window.
16000 hours is 666 days
Satanic
@@belkacem803 666.666666666666666666...
"Do you enjoy them?" "yes" "yes" "nooo" LOL
Shows pieces of crashed airplanes,proceeds to play Happy Music.
Nobody:
Neil tyson: helicopters are bricks
You pull the chute to land safely if the helicopter has one or u just bail and have a chute on but I know at least a few helicopters have em chutes in case u somehow delet the rotors
Polish prime minister back in 2003 had a helikopter engine failure mid flight. Military pilot did that trick and saved him and the crew from dying.
Even Neil Degrasse Tyson becomes smarter every day...
haha!
haha!
+Phillip Tunstall He was a great sport. I thought his opening line in his initial email response was super classy:
"Destin,
Happy to be the foil for your helicopter video."
+Phillip Tunstall The only way to be right is to always be ready to admit you're wrong, because none of us are right at everything.
+SmarterEveryDay more like AIRfoil.
well I have more then 10000 hours in life and I still havent mastered it...
This is deep...
@@nitin-pillai r/im14andthisisdeep
Rust meme?
noob😂
Not knowing the difference between "then" and "than" says it all.
just some random airplane crash debris... no big deal lol
Which airplane though?
Alex now we’re asking the real questions here.
Hehe
Alex it looks like a ww2 bomber
Vine God it was a Canadian B-25
And when a rocket's engines fail, It literally becomes a bomb
When rocket engines explode**
@@wes89 No? The engine itself can't "explode" - well actually it does all the time. At least the propellant does. The tanks with propellant can explode, but not the engine itself
The Proper Communist Russia, you better be taking notes.
😂
No they turn into fireworks
well i have 16000 hours in csgo, so... duh!?
+Walter Spurer suddenly i don't feel so bad about my 2700 hours in dota.
j/k, i still do.
So you're a master and a half at CS:GO?
+Walter Spurer It's been 1344 days since CSGO has been released. You've played over 666 days of CSGO. You've spent half of your entire time(minus 12 days) playing the game since its release. You're either joking(read: bullshitting), or you need help.
+10ccepi pro's have 5~6k hours :P
10ccepi idiots man...
Imagine being lost in the backwoods, hearing a helicopter, seeing it land. A guy gets out to take a video for his UA-cam channel, and then your only hope of rescue takes off xD
I mean he technically landed twice. He had to land once to drop off the camera.
1:41 *joyful music plays over a plane wreck*
I thought about that too
those were just props obviously placed there by Neil, for this video!
looks like a dc-3 debris
Where was this filmed
@@basstion4146 that is clearly stated if you watch the video.
Lose an engine, you might be able to autorotate. Lose a gearbox and you turn into a brick! ;-)
Peter Hawkins yep, couldnt think of anything scarier than a boxfailure in a chopper
Depends which gearbox...
No, you will still be able to autorotate.
Losing a gearbox in a 44? Losing a gearbox in a turbine
=dead!
@@dtiydr what if it jams up
I simply can not believe that Neil Tyson was not aware of Autorotation...
I think that Neil will be the first person to admit that no one knows everything, including him.
Magnaniman Sure, but I learned about how helicopters could Autorotate back when I was a teenager... It was just common sense. The amount of energy stored in a set of rotating blades can be amazing...
Tyson is a genius and knowledgeable in astrophysics and other science stuff.
However that doesn't necessarily mean he will know common sense engineering facts.
A smart man knows where he is smart and where he isn't until proven otherwise. :p
Neil is a fraud.
*****
www.naturalnews.com/047203_Neil_deGrasse_Tyson_fabrication_Wikipedia.html
www.breitbart.com/tech/2015/12/21/scientists-who-are-actually-really-stupid-1-neil-degrasse-tyson/
It doesn't take that long to google.
1:34
Are we going to completely ignore the fact there is plane wreckage and debris?
Strange they didn't mention that!
That's the guy that landed his plane like a brick.
Hey! No ill will here, just wanted to let you know its spelled debris. Getting smarter every day :)
I was wondering if like nobody is going to talk about it :D
That looks like a WW2 era CRAF fighter.
A 747 doesnt turn into a glider if its engines fail, it turns into a world news event.
wrong. so very wrong.
Prove it.
That's not wrong. 747 are often on large routes that go over oceans. Granted a failure of all engines is very unlikely... if it happens, the 747 has absolutely no chance of avoiding a fatal crash.
Depends on the loading of the aircraft as to how many can fail. Generally 1-2 things are not brilliant but manageable. More and its between a semi-sustained glide and a glider. Though it does have a reasonable glide ratio of 15:1 or so and losing an engine at 40,000feet would mean it could glide around 183km, more if it had one engine.
interesting, I didn't know that.
my numerous hours in arma 3 have taught me this
taught*
thnx bub
+domo is back that what was I was thinking through out this video as well. I need a life
domo is back me too haha
domo is back I am on Arma 3 right now using ACE
"Is daddy making you say this?"
"Noo!" *perfectly in sync*
8:21
XD
I think he is making them say that
Am I the only one amused by how it's a video about crashing air vehicles and the length of the video is 9:11?
No?
Ok...
+Raul Kolk Half Life 3 confirmed.
it's 9/12 minutes
+Raul Kolk More amused by how we see actual crashed airplanes at 1:34
I work on MH60R's and autorotation is great in the event of an engine failure. But the engines (at least on h60's) are the most reliable aspect of the bird. The problem lies in that if there is ANY failure other than an engine(i.e. Gearboxes, driveshafts, Hydraulics, ect... the things that fail most often) autorotation is virtually useless and we are right back to the falling brick.
Bummer :/
Sorry, but other then the main rotors falling off you are completely wrong. splitting the needles separates the rotor system thru the clutch from the engine, trans, tail rotor, hydraulics etc.
kevin vt Check your facts as I think you are a little misguided. First your statement in and of itself is contradictory. The only way you can autorotate a helo is if the main rotor and tail rotor are connected. If the tail rotor is EVER disconnected from the main rotor the helo will instantly start to spin out of control and crash. Which defeats the purpose of autorotation. Look up some vids of what happens to a helo when a drive shaft breaks. Also I don't know what you're talking about (never heard of "splitting the needles" I asked around and no one here had ever heard of that before either including my senior chief who has worked on these things for 24 years) but in an mh60 the ONLY clutch is the one that disengages the engines from the main rotor. The main rotor is part of the main gear box it so if the mgb or transmission as you call it fails the rotor will stop spinning or spin out of sync with the tail rotor and either way autorotation wont work.. The drive shafts are bolted directly to the MGB and TGB. which is bolted directly to the tail rotor. There are no clutches outside of the engine to MGB clutches. Ive written enough so far but you are wrong on pretty much everything you said.
I did a quick NTSB search after what you said and didn't notice any mh60 accidents due to gearbox, driveshaft, or hydraulics failures. Not that I don't believe you. Maybe I'm not searching right. Could you point to some of the accident reports? www.ntsb.gov/_layouts/ntsb.aviation/index.aspx
1dgram
Let me rephrase, I currently work on MH60s but they are relatively new to the navy. They were just introduced to squadrons in the last few years but before that I worked on SH60Bs. With a few exceptions SH60s are mechanically identical to the MH60. Which is where you will find most of the NTSB records. The one i personally have knowledge of is a/c 505 an SH60B from HSL-48(now HSM-48 since since they also transitioned to MH60R). In 2006 a/c 505 went down after a complete hydraulics failure. Honestly to my knowledge i dont think we have lost a Romeo a/c yet knock on wood. But the mh60s are virtually brand new with very few hours. Compare that to the SH60s that have thousands sometimes upwards of 10 thousand hours on them. So relatively speaking most of those components still have a lot of life left in them.