K-MAX Intermeshing Rotors Helicopter Startup & Takeoff
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- Опубліковано 21 гру 2020
- The Kaman K-1200 K-MAX is an American built intermeshing rotors helicopter. It is a very rare helicopter with only somewhat over 50 manufactured so far. It was exclusively designed for transporting loads of up to 2'700 kg (6,000 lb). The beautiful and impressive K-MAX HB-ZTW of Rotex Helicopter is seen starting-up and taking-off at Heliport Bern in Switzerland on a cold winter day.
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Camera: Sony RX10 IV - Авто та транспорт
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For some reason, the Flettner rotor system is aerodynamically stable in hover, unlike all other helicopters; and it takes input from the pilot to do anything else. The contra-rotating and intermeshing rotors balance the rotational forces, so no power is wasted on a tail rotor. The K-Max uses servo-tabs for control of the blade pitch, so no hydraulic system is required.
Wow, it's fascinating to learn about the Flettner rotor system and how it differs from traditional helicopter designs! It's great to see that this system is more aerodynamically stable in hover and doesn't require the energy-consuming tail rotor. And the fact that the K-Max uses servo-tabs for control of blade pitch is a clever solution that eliminates the need for a hydraulic system. Innovation in technology never fails to impress me!
😂
@@matthiashaenni yes Kaman is well known for their servo-tab controls of the rotors and it apparently makes their helicopters very pleasant to fly and excellent at autorotation in an emergency
Its because daul rotors tend to cancelled out the drift from the other which is why single rotors have a secondary rotor in the back to cancel it out
So basically if you lose power, as long as you can keep the rotors moving, you'll have a higher chance of surviving by not getting caught in a downward spiral due to lack of power to the rear rotor.
I swear those rotors are what anxiety looks like for aircraft people. It's really cool and I have no doubt it works super well, but •~•
You couldn't pay me to get on
They're probably interlocked... Couldnt hit each other any more than you could get both pedals on a bike to point down at the same time.
@@GodBlessCanada Yeah, that's it. I did once see a video showing off how intermeshing rotors work
People gotta stop using the term of the word anxiety for reference to phobias or overwhelming emotional distress.
I suffer from true anxiety and its hard for me because my anxiety can trigger at any moment with any reason or cause.
So, i must take 50mg of Hydroxizine at night to be able to rest and sleep.
I can confirm that this does NOT give you anxiety.
@@caldodeolla01 you need Jesus not meds
I only heard of intermeshing rotors a few moments ago and I was blown away on how they made something like that work. Obviously it clearly works but I couldn't believe my eyes at first. Very cool
Great catch Matt! The K-MAX is such an interesting helicopter and the intermeshing rotors make for a unique sound.
Thank you! The K-Max is a rare helicopter indeed but it is a workhorse for transport missions in the Swiss Alps. It was exclusively designed for transporting loads of up to 2'700 kg (6,000 lb).
I understand how these work however half of my brain says nope and the other half says nope as well!😂
What an awesome catch Matt, that is a helicopter I have wanted to film for a long time. I've seen a couple passing through CZNL over the years, but they always manage to sneak away before I get there to catch them. Great footage of this super unique machine!
Thank you Jesse! Oh yes, they are hard to catch. In this case I was really lucky. The K-Max is often used for transport missions in the Swiss Alps.
@@matthiashaenni I'm really glad you were able to catch this one Matt! Hope you're having a great Christmas Eve, and enjoying your holidays. ☃️☃️☃️
They were using one here at Sequoia Park last year for the KNP Complex Fire. We’re just outside the park. We had quite an Airshow for a month and a half. That KMAX sounds very unique echoing through the Canyon.
T53 sounds so sweet during spool up. He lifted up, sat back down, started slowing the engine, and I immediately thought of Sam and Grandpa in “The Lost Boys” when Grandpa started the car, then turned it off, Sam asks “I thought we were going into town?” Grandpa said “That’s as close to town as I like to get.” 😂
Haha, that's a great comparison! The sound of the T53 engine during spool up is indeed quite unique and memorable. The K-MAX helicopter, with its intermeshing rotor system, is designed for heavy-lift operations and is often used in challenging environments such as firefighting and construction. Thank you for sharing your thoughts and for the amusing reference! 😄
It even sounds different when flying away. Looks like some sort of dragonfly. Still makes me very anxious lol.
Thanks for watching!
Now that you mention it, it kind of sounds like the ornithopers from the 2021 Dune
Even with the slow startup, I still can't imagine how the blades work with each other. Very cool design.
Thank you very much! ✈️ 🙏
Basically, from what I understand, only one rotor is powered. The other moves because of the gear or gears connecting it to the powered rotor. I'm pretty positive that's how the gearbox is set up. If I'm wrong, then I accept that and will endeavor to better understand the inner workings of the aircraft.
Great video Matt! And what a unique bird! No tail rotor and the intermeshing blades are fascinating. $7 million plus but a real workhorse. Thank you and Merry Christ to you and your family, Matt!
Thank you very much Bruce. I like the K-Max helicopter. It is a rare one indeed. But this helicopter is definitely a workhorse for transport missions in the Swiss Alps. It was exclusively designed for transporting loads of up to 2'700 kg (6,000 lb). Merry Christmas and best wishes to you and your family.
Der sieht ja sehr ungewöhnlich aus. Toller Fang von Dir! Daumen hoch und alles Gute für 2021! Gruss inselvideo!
Vielen Dank!! Auch Dir alles Gute im Neuen Jahr!
e urgente urgente urgente brasil
German design from the 1930's, Flettner Kolibri...
Wow! Never thought that design existed til now. It seems to show better stability than a coaxial configuration.
Thank you for your comment! The K-MAX helicopter with its intermeshing rotor design is indeed quite unique and provides excellent stability, especially in challenging conditions. This design allows for increased lift capacity and precision in cargo transportation. The K-MAX is known for its versatility and efficiency in aerial work such as firefighting and logging. It's always fascinating to discover innovative aircraft designs like the K-MAX! 🚁
"Warning. Approach from front."
Yeah, no shit. Those rotors are seriously impressive, and they dip impressively far down on the sides. Very interesting machine.
Got here from instagram
Man that's such a cool heli! We just had this same one arrive at SEN yesterday! If it comes in again (which it should do on it's way back to Basel) I'll try get some footage of it, they sound wicked! Great catch!
Thank you very much! Very much looking forward to watching your video :) Good luck!
Awesome catch ! This chopper really looks weird :P
Thank you! It is indeed an unbelievable design. Merry Christmas to you!
Takes a while for the brain to settle down after watching that for the first time.
The setting back down and rolling off the throttles briefly was interesting… “I think I can, I think I can…”
So great this concept - Merry Christmas and a happy new Year!
Thank you very much! You too have a merry Christmas.
un sacré appareil
Merci!
Je suis d’accord, c’est génial !
amazing heli mate !!
Thank you!
@@matthiashaenni is that brand new helicopter ??
Splendour of the rotary wing, Matt! What a Christmas gift!
Love that exclusive chopper for what it is: proof that eccentric, unorthodox thinking actually works. Witness those rotors.
Wish You a Magnificent Christmas and a Happy New Year full of Joy, Health and Well-being! CHEERS! God bless You!
Thank you very much for your words throughout the year, Javier! Much appreciate your support. Wishing you a merry Christmas and a wonderful, happy New Year. Best wishes and God bless you too.
Impressive the blades! Such a great Helicopter, great catch!
Thank you very much Pedro!
@@matthiashaenni You welcome :)
The K Max is so intriguing. It’s so ugly it’s weirdly beautiful, made so by its tremendous utility. It can lift well more than it’s own weight. The sound of the rotors at speed is a general fluffing and whooshing like a thousand big birds, and no tail rotor buzz of course. So different from sound of the two-bladed Bells and multi-bladed Sikorskys and Hughes we’re all so used to and can pick out for miles. I have heard there are issues with training however. The K Max is only single seat and the only two-seat intermeshing rotor helo is the Kaman Huskie, of which the couple of remaining airworthy examples are beyond their useful lifespan.
Makes me think of the Ornithopters in Dune
My special needs son really likes that helicopter 🚁 says its very unique in design and we both agree that it looks like a dragonfly!
Thank you for sharing, that's so heartwarming to hear! The K-MAX Intermeshing Rotors Helicopter is indeed a unique and fascinating aircraft, known for its distinctive design and capabilities. It's amazing that your son sees it as a dragonfly - what a wonderful perspective! These helicopters are often used for heavy-lift operations, such as firefighting and aerial construction. Wishing you and your son many more special moments enjoying the world of aviation together! 🚁✨
What a strange beast. Not sure I'd feel safe anywhere within a 2 mile radius of it though!
What a unique Beauty! An amazing catch, Matt.
Thank you my friend! Best wishes and have a merry Christmas!
I'm amazed that it was designed to carry 6000lbs, doesn't
seem possible for a craft this size, I guess the twin main-rotors
is a big (that and the power plant) part of that capacity.
Was für ein Gerät! Excellentes Video, Matthias, Respekt!!!!
Vielen Dank Volker! Ja das ist ein kraftvoller, fantastischer Helikopter, der in den Schweizer Alpen als Arbeitspferd eingesetzt wird.
What a stunning machine, what a stunning catch. Nice one Matt, best wishes and seasons greetings from Scotland.
Thank you very much Rob! The K-Max is often used for transport missions in the Swiss Alps. Wishing you also a merry Christmas. Best wishes from Switzerland :)
Astonishing catch! I love this helicopter and I also loved the blades!
Thank you very much Joseph! Merry Christmas and best wishes!
@@matthiashaenni Thank you, Matt! I hope you have a Merry Christmas and a Happy New Year to you, too!
@@Joseph-s_Aviation_Channel9838 Thank you very much!
Really epic video Matt! Thats an awesome helicopter! Liked!
Thank you very much Jelmer! It is a workhorse for transport missions in the Swiss Alps!
Wow amazing
Thank you!
Awesome catch 👍 Definitely a very rare sight 😎
Thank you! The K-Max is a rare helicopter indeed but it is a workhorse for transport missions in the Swiss Alps.
We need more sounds like this in movies
This is very goldeneye
Einwandfreies Video! Super Kameraarbeit und toller Fang! Daumen hoch ;)
Vielen Dank!
HUGE LIKE Matt, I've only captured one of these they are very rare in my area, I really like the way these look so unique and amazing to watch 🚁😎👍
Thank you very much Ed! It was pure luck that I finally caught this K-MAX on a freezing winter morning. It is indeed a very rare one. It is a workhorse for transport missions in the Swiss mountains.
@@matthiashaenni We need luck more often, so glad you caught it 👍😎
Is this the future of helicopter? Because obviously it's better in any way you can imagine.
This is cool. Great job as usual.
Thank you!
Looks a bit like a dragonfly, imo! Very cool!
Amazing
Thank you!
Sin lugar a dudas, es uno de los diseños más extraños s que hay!. Excelentes imágenes!. Todo lo mejor para estas fiestas que se avecinan!. Un ABRAZO GRANDE!. SALUDOS MATTHIAS!. 👏👏👏👏👏👍👍
¡Gracias Javier por todas las amables palabras! Le deseo una feliz Navidad. ¡¡¡Mejores deseos!!! El K-Max es un helicóptero muy raro, pero es un caballo de batalla para las misiones de transporte en los Alpes suizos. Fue diseñado exclusivamente para el transporte de cargas de hasta 2'700 kg.
@@matthiashaenni Ok MATTHIAS!.GRACIAS POR TUS RESPUESTAS TAN PRECISAS!. TE DESEO LO MEJOR!. FELIZ NAVIDAD!.
Thats a very good catch !! Huge like !!!
Thank you very much!
Awesome, you can see the moment when the rotor blades pass the sound barrier at 1:00
I don't know much about this, but isn't it problematic if rotor blades exceed the sound barrier? I thought this was one of the design tradeoffs involved in helicopter engineering. I'd also expect it to be extremely loud...
Gratulation to 50K
Vielen herzlichen Dank!
Awesome!!!
Thank you so much!
Groovy ride man..
Interesting helicopter
Yes, a very special one indeed. Thanks!
@@matthiashaenni 🤝
Can’t see how that could go wrong. 😅
Ein Hammer gutes Video Mathias.
Vielen Dank Alfred!
Great take off Matt.''
Thank you Trevor! It is a workhorse in the Swiss Alps.
Great piece of work. Thank you.
Thank you David!
such a magnificent machine... but a risky design though🤯
Классная конструкция! 😉🤗👍
1st time I'm watching this K-Max. Very nice catch.
I wish you a merry Christmas to you and your family.
Thank you very much! It is indeed a very rare helicopter. Merry Christmas and all the best to you!
I really like these, but I've only seen one in person - Huge Like 😎👍
Fantastic show. Great work.
Thank you very much!
Perfect capture mate, big like 🤩🤩❤❤👍
Thank you!
You can clearly hear the difference to a helicopter with tail rotor.The K-MAX has a soothing sound without the typical high-pitched screeching.
Thank you for watching. Yes, you can hear it from a long distance.
Sweet video.
Thank you!
That is one weird looking machine great catch nice to see the snow 👍🎅🏻
Thank you very much! Merry Christmas to you!
Tolle Aufnahmen!! Schöne Feiertage und Grüße aus Innsbruck 😁👍🏻
Vielen Dank! Auch Dir frohe Weihnachten. Beste Grüsse aus Bern
this is fascinating !!!
Thank you! The K-Max is a workhorse for transport missions in the Swiss Alps.
Merry Christmas to you and your family Matt!Vielen Dank. Enjoy your day with the family. Bye for now from New Jersey. 🎄🎁♥️😊👍
Thank you very much for all your kind words Thomas! Merry Christmas to you my friend. Best wishes!
@@matthiashaenni Vielen Dank Matt ! I wish you all the best for the new year ! Thank you for the awesome video's this past year. Can't wait to see what you have for us in the new year. Bye for now. Blessings to you and your family. Bye for now from New Jersey. 🎄🎁♥️😊👍
Fantastic
Thank you!
I used to live just across the Fraser river from a heliport that had one of these. Less noise than a logging truck. Silent compared to a Bell204
Nice ! How does this thing pirouette though ( at 03:17 ) without a tail rotor ? 🤔
Also schön finde ich ihn ja nicht, den K-MAX, aber das Teil ist der Hammer und zumindest in unseren Breiten fliegen auch nicht allzu viele davon! 👍👍👍
Besten Dank. Der K-Max ist zwar ein seltener Hubschrauber, aber er ist ein Arbeitspferd für Transporteinsätze in den Schweizer Alpen. Er wurde ausschliesslich für den Transport von Lasten bis zu 2'700 kg konzipiert.
Bonkers. Great document of this extraordinary design. Thanks.
Less noise more efficient awesome kmax
Thanks
This is a good fire fighting helicopter.
It really is! Thank you for watching.
Sehr interessante Aufnahmen von diesem besonderen Heli! Daumen hoch und beste Grüße:) Vin
Vielen Dank Vin! Der K-Max ist ein Arbeitspferd für Transporteinsätze in den Schweizer Alpen.
hallo... schöne video ...im 01:00 min ist das Eis oder Schnee wo weg flieg? merci
Danke Jakob! Das ist Schnee, der über die Nacht ein bisschen angefroren war. Es gab ein ziemlicher Knall, als sich dieser Schnee gelöst hatte :) Frohe Weihnachten!
Twinblade Inspection complete!
Those blades make my brain hurt
That’s amazing. Never seen this one before. Very cool
There's a K-MAX which often does tree felling operations on the hillsides near my home in Zürich. I always love to see it. I wonder if this is the same one.
That's so cool to have a K-MAX helicopter doing tree felling operations near your home in Zürich! The K-MAX is indeed a unique helicopter known for its intermeshing rotor system, which provides exceptional lift capability. It's commonly used for external load operations like logging, firefighting, and construction. Keep enjoying those awesome sightings! 🚁✨
Truly a Awesome lifting machine
BEEINDRUCKEN. *Merry X-Mas🎅 🎄🎅 🎄🎅Merry X-Mas*
Vielen Dank!! Merry Christmas to you too!
Very impressive machine.
Does it use cyclical pitch? Or do you still need it with counter rotating rotors?
It is so nice
Thank you so much!
Head Clearance?
with most copters, ground personnel are only supposed to approach straight on from the side to avoid the blades.... I'm guessing the rules are different for this one where they angle down on each side?
EDit: Yep, I just saw the 'approach from front' warning written on the side of it
Thank you for your observation! Indeed, the K-MAX helicopter has a unique feature with its intermeshing rotors that allows for a different approach procedure compared to traditional helicopters. The design of the K-MAX rotor system reduces the need for a tail rotor, which in turn allows for a safer approach from the front. The warning to approach from the front is a crucial safety measure specific to this helicopter model. Your attention to detail is much appreciated! 🚁
Happy new year my friend :) !!!! never seen a helicopter like this before.....some one has to explain to me how those blades are able to work like that.....am lost lol
Thank you my friend! Yes, this helicopter is really a crazy machine. It is often used as a workhorse in the Swiss Alps.
And all the best to you in the New Year! Best wishes!!
this is something a james bond villain would try and get away in
i like the bit at1.00 when the frost pops off the inner edges of the blades 😃😃😃
I wonder if the K Max is somewhat easier to fly than a normal helicopter since the pilot doesn't have to manipulate the tail rotor. Also, I wonder why he lifted off slightly and then landed again before he left. I'm just here to learn.
Guess: testing the controls???
The only helicopter design with a built in self destruct mechanism! Basically it has the opposite of a fail to safe! Just one small fault in one blade mechanism and you are history!!
I'm a mechanic for one of these. Anyway, I mistimed the blades by 1 tooth and the pilot crashed and died, as a result... boy, was he pissed!
Um…….. making that work, is INSANE
Lucky Bastard!
Is that system less efficient than a Chinook? On this thing, the trust is split into vectors pulling on the airframe in opposing directions.
Could you please explain how does this machine rotate around the vertical axis? Classic helicopters perform that by changing the balance of the tail rotor compensation. Twin rotor machines (Kamov Ka-26) do the same action by changing the RPMs of both rotors. But how it is achieved here? Twin rotors here are perfectly synchronized so disbalance of their RPMs is impossible…
I expect by changing the angle of inclination of the blade because it gives a decrease or rise in force equal to the increase and decrease in rpm
No real helicopters change rotor speed to change lift; instead, rotor speed is constant and they change the pitch angle of the blades to change lift. To yaw (rotate around the vertical axis) an intermeshing twin-rotor can add collective pitch to one rotor and reduce the other (yawing due to differential torque reaction), or pitch one rotor forward and the other rearward (producing a yawing moment due to the offset between the rotor masts). The K-Max uses a combination of those two methods.
The anxiety that I got seeing them 2 blades waiting for them to collide with each other omg 😲
crazy blade position 😮 what's the point, is it better than normal blade?
Thanks for your questions. I try to answer them as follows: The advantages of the double rotor are: No torque transmission to the airframe, thus no tail rotor is necessary and no drift is generated. And due to the usually larger total rotor area compared to a single rotor system, the same load can be lifted with less power. This makes the K-MAX a powerful helicopter. It was exclusively designed for transporting loads of up to 2'700 kg (6,000 lb). It is a real workhorse for transport missions in the Swiss Alps.
@@matthiashaenni thanks matt
This is the future
ПРОШЛОЕ...30-е года...
Seems ultrasketchy…. What is the advantage of this configuration?
Fascinante
There is a few of these at my local airport, they are interesting.