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Simplest Helicopter Ever? 

ProjectAir
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Thanks to Keeps for sponsoring this video! Head to keeps.com/proj... to get 50% off your first order of hair loss treatment. Enjoy my videos? I'm able to make them thanks to my Patreon supporters. Consider contributing here: / jameswhomsley
This is a build inspired by the Ingenuity Mars Helicopter first flights. I wanted to see if I could build the simplest rc helicopter I could and it was lots of fun!
For free files to make your own single bladed helicopter, visit my Patreon and scroll until you find them! / jameswhomsley
Other monocopters:
• The Monospinner: a con...
• World's first controll...
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▶ Follow me on Instagram: / jameswhomsley
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▶ Here's a plane kit I designed (my full-time job) www.vintagemod...

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17 авг 2024

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Комментарии : 734   
@DIYPerks
@DIYPerks 3 года назад
My jaw literally hit the floor when it lifted off the tripod for the first time 😂 mind your neighbors cows don't get decapitated! Excellent work as always 👏
@user-cb6jw5ky1i
@user-cb6jw5ky1i 3 года назад
They getting decapitated one way or another they as good as dead
@Project-Air
@Project-Air 3 года назад
Thanks Matt! The cows don’t seem to mind
@JoeOvercoat
@JoeOvercoat 3 года назад
Wait, are you saying the intent wasn’t to decapitate the nearest mammal(s)?!?
@O.L.D_RC
@O.L.D_RC 3 года назад
Of course not, they're dead. That particular state of mind is pretty mellow, I think. I am sticking with Guillotan Heli
@user-dg5br2lx1k
@user-dg5br2lx1k 3 года назад
can you upgrade you rocket and make a rocket glider? this rocket with retractable leather wings wich is open after the rocket have an null velocity height after than vertical take off. you can glide it down with fpv cause you stabilazer controlled. lets make it - you idea!
@NicholasRehm
@NicholasRehm 3 года назад
James, we can totally stabilize this to give you roll/pitch control! A reliable yaw heading with yaw gyro and magnetometer (MPU9250) can give azimuth while in flight, then throttle can be modulated around the azimuth to increase/decrease lift on one side and stabilize on desired roll/pitch angles. Hit me up this summer (after my exams are over haha)
@Project-Air
@Project-Air 3 года назад
I might have to take you up on that!
@lonewarrior6633
@lonewarrior6633 3 года назад
Please do a collab!!
@pepethefrog7193
@pepethefrog7193 3 года назад
Use a LED ring to show direction. Did that. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-fhweYbyvJxQ.html Did never fly because of Dzhanibekov Effect. Used esp8266, mpu6050, ws2812b
@arturpekosz
@arturpekosz 3 года назад
@@pepethefrog7193 Nice! I also added direction LEDs to my monocopter: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-v2xjEE4nChs.html
@pepethefrog7193
@pepethefrog7193 3 года назад
@@arturpekosz Very nice! Love it. I dont use compass, is did use gyro. Do you have instructions how to build airframe and your control method?
@rex8255
@rex8255 2 года назад
As a former helicopter mechanic (UH-1H), I applaud your efforts. Trying to get a helicopter to fly really gives one an appreciation for Igor Sikorsky. And remember one of the basic flight concept of helicopters: They don't actually fly, they beat the air into submission.
@dennispoledna2438
@dennispoledna2438 2 года назад
Just as impressive to me was that Sikorsky also had to teach himself to fly it. Learning to hover must have taken some determination.
@JC130676
@JC130676 2 года назад
according to a pilot I once spoke, that's incorrect. He told me that "helicopters don't fly, they're just so ugly, the Earth repels them." ;-)
@heidipenning3052
@heidipenning3052 Год назад
Hubbub and then again it seems a way you
@rex8255
@rex8255 Год назад
@@dennispoledna2438 Determination, and lot's of rope. He basically had it tied to the ground. I believe there is film of it, pretty interesting!
@UppsalaSal
@UppsalaSal 2 года назад
First, way cool! I’m a 70 year old retired physicist and when I was a kid was always throwing helicopter seeds (they are called samara). I often told my students to think like they were five and they would appreciate a ton of physics. You looked like you were have lots of fun. Stay young in mind and spirit!
@kendesign3622
@kendesign3622 3 года назад
The kid with the most hair in the rc plane community is sponsored by keeps. Go figure. ....🤦‍♂️
@kolbypeschon2697
@kolbypeschon2697 3 года назад
Plot twist he only has hair from keeps
@joseph_daniels
@joseph_daniels 3 года назад
lol he wont have much left if he launches the helicopter the wrong way
@Etherus69
@Etherus69 3 года назад
@Ken Design Your point being?
@kendesign3622
@kendesign3622 3 года назад
@@Etherus69 my point is it's ironic. He has a full head of hair. I guess I'm just jealous cuz I'm going bald.
@bingobongo17
@bingobongo17 3 года назад
Bhahahaha funniest shit ever
@linecraftman3907
@linecraftman3907 3 года назад
my man really doing a sponsorship in his new mini cooper 😂 i think we can kinda guess where the sponsor money went
@Project-Air
@Project-Air 3 года назад
😝
@zmcconnel
@zmcconnel 3 года назад
At least he had the decency to put on a hat to discuss male pattern baldness.
@mircoheitmann
@mircoheitmann 3 года назад
may i just say, what a BEAUTIFUL car! honestly, that's such a good choice.
@Project-Air
@Project-Air 3 года назад
It’s lots of fun!
@mircoheitmann
@mircoheitmann 3 года назад
@@Project-Air i think i can say that i know that feeling, i daily drive the japanese twist in the form of a mazda mx-5. i probably don't need to tell you that a 30y/o car gives trouble sometimes (my brake literally started steaming just today), but my goodness is it nice when you can just enjoy the drive.
@idknomore1218
@idknomore1218 3 года назад
What type
@idknomore1218
@idknomore1218 3 года назад
My dad is rebuilding a mini Morris from 1974 in New Zealand
@spektrum33
@spektrum33 3 года назад
You have to drive an original mini just once in your life, they are great fun 😋👍
@camdix3250
@camdix3250 8 месяцев назад
This may have already been mentioned in the comments: A very similar helicopter to this was published in the 1960s in the magazine, "American Aircraft Modeler". The helicopter at that time was called, "Charybdis". It was powered by a Cox .010 "gas" glow plug engine. Construction was almost entirely balsa wood, harder wood for the long arm and a thin, plywood plate upon which to mount the engine. Now, carbon fiber and 3-D printing. My, how the times change. I think you deserve a lot of credit for your hard work, determination and perseverence. Thank you for this video. You put a lump in my throat as I reflect on the balsa wood models of days gone by. Best wishes.
@feudiable
@feudiable 3 года назад
Tom Stanton is a patreon of yours? You should do a collab! And regarding your helicopte: There is definitely space for a knife at the tip of the wing:P
@MichaelTeeuw
@MichaelTeeuw 3 года назад
They already did. :)
@MrScaramanga16
@MrScaramanga16 3 года назад
I was looking at that patron
@trentbauman8483
@trentbauman8483 3 года назад
me over here who has watched every video on ProjectAir at least 20 times
@Project-Air
@Project-Air 3 года назад
Hope you enjoy this one the next 19 times!
@trentbauman8483
@trentbauman8483 3 года назад
@@Project-Air lol i probably will
@philbarrett3739
@philbarrett3739 3 года назад
@@Project-Air lol, so polite.
@simonmerrett
@simonmerrett 3 года назад
Really pleased you worked more on this! Definitely take Nicholas Rehm up on his suggestion please!
@barrycarpenter270
@barrycarpenter270 2 года назад
I built one of those single bladed copters about 45 yrs. ago. Used a Cox .010. I still have it. Mine got launched by hand. Spin, pushup, let go. It took me about 10 attempts to get it to keep flying. The spinning The centr. force over pressured the fuel and caused it to run rich and lose rpm( and altitude! ). I had to tune it beyond the correct ratio ( too lean ) then spin it to launch. The rotation brought up the fuel ratio and it flew. I lost it on the first flight, but found it a year later, 80 ft. up in a tree several blocks away. Back then it was called "The Charybdis". Plans from Popular Mechanics. That was it's only flight.
@jocax188723
@jocax188723 3 года назад
“I’m going to try hand launching.” Today, on ‘How James lost several fingers...’ Edit: Today, on 'How James *almost* lost several fingers'...
@Project-Air
@Project-Air 3 года назад
🖐 somehow still have all 10! 😉
@jeffcarr392
@jeffcarr392 3 года назад
Next video sponsored by keeps sister company, "fingers" 🤦‍♂️😁😆😆😆😆
@Vinlaell
@Vinlaell 3 года назад
I love how that thing would just keep on whacking the tripod as it takes off so he's like i know I'm going to try to hand launching
@saliyalokeshwara7055
@saliyalokeshwara7055 3 года назад
Omg that mini sounds so damn good
@feebster11
@feebster11 3 года назад
"Putting health and safety aside, it flew very well" - excellent!
@tuttebelleke
@tuttebelleke 2 года назад
Beautiful experiment! To find the dynamic rotation point: Tilt the helicopter wing such that it does give no lift. Glue a piece of light carton underneath on the helicopter frame in the zone where the dynamic rotation point is expected to be. Hang the helicopter (close to static balance point) with a long rope to the ceiling. Start the helicopter and let it run at the expected flying RPM and touch the carton from underneath with a marker. The helicopter will draw a circle on the carton which center indicates the dynamic center. Attention: dynamic balance point moves by varying the RPM!!!, so try to simulate with +/- the specific flight rpm!!!. And giving the wing a progressive angle would make the flight MUCH more stable and more efficient!!!
@Vesper-
@Vesper- 3 года назад
I mean, the world's simplest helicopter are maple seed's... Edit: i just realized he said it himself in the video...
@Project-Air
@Project-Air 3 года назад
Beat you to it 😛
@ERICtheLATE
@ERICtheLATE 3 года назад
They made choppers like that back in the 70's. I was not around, but they would make freeflight timed with burning wicks and a switch, r/c ones that had a heli fuselage hanging below to hold a pitch and bank servo, simply pulling it forward from just below the bearing that held the blade to the top, and some had a servo to control a reversable brushed motor powered tail rotor, that would move the tail in yaw to direct the nose, since there was no torque created by the rotor powering itself. They also had the most annoying type- a main rotor mounted gas engine, spinning an oversized prop, then the torque would spin the whole rotor blade the opposite direction. In a world of gps programmable flightpath and gyro stabilized drones, it is way more fun to tame a not so automated contraption.
@MazeFrame
@MazeFrame 2 года назад
In my mind, hand-launching that style of helicopter looks like throwing a boomerang.
@Joyplanes
@Joyplanes 3 года назад
That's really interesting. Congrats.
@kurzey8532
@kurzey8532 3 года назад
I love how you cowered each time it takes off 🤣 spinny boi is quite dangerous
@gryfandjane
@gryfandjane 3 года назад
On another topic entirely, congrats on the classic Mini! I’ve been a British car fan for ages, and have owned an MG Midget for almost 26 years. I also helped a friend restore a Mini, so I have some familiarity with them. Will you be coming to Flite Fest this year? The anticipation is mounting. ;-) Cheers from Missouri, USA.
@terrywheelock9458
@terrywheelock9458 3 года назад
You have 3Gs, 1. CG = physical center of object, 2. FCG = flying center of gravity, and 3. CGPP = center of gravity pressure point.
@grumpyaustralian6631
@grumpyaustralian6631 3 года назад
Very impressed by the stability achieved here, I wonder if the same principles could be applied to some kind of RC boomerang since they utilise similar ofset weights to generate their lift.
@Project-Air
@Project-Air 3 года назад
I'm sure it would make for an interesting experiment
@xxtrengt8871
@xxtrengt8871 3 года назад
The "OOF" got me again xD Is it becoming a running gag on the channel, last time was on the ejection seat i beleive.
@alleycatsphinx
@alleycatsphinx 2 года назад
The hat in the keeps ad was priceless. Thank you. =D
@5alm0n
@5alm0n 3 года назад
Loved watching the hand launching !
@AlmostAviation
@AlmostAviation 2 года назад
Very cool! Now you need to team up with Colin Furze to build a man-sized one :)
@og_myxiplx
@og_myxiplx 3 года назад
I think you could add directional controls to this with a single servo controlling a hinged control on the wing. An arduino combined with a MPU sensor would allow you to initialise the model on the ground and define "forwards". You would then have a fixed plane of reference that you can use to control the model meaning you could then code "aileron" and "elevator" controls by mapping the input requests so that they activate the servo at the appropriate times in the rotation.
@pepethefrog7193
@pepethefrog7193 3 года назад
Did that. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-fhweYbyvJxQ.html Did never fly because of Dzhanibekov Effect.
@Denver_Risley
@Denver_Risley 2 года назад
I love the idea of asymmetric vehicles. Way more stylish. Like Star Wars crafts tend to be.
@justsomemincedgarlic
@justsomemincedgarlic 3 года назад
Great content, totally worth a sub, but more than all that i wanted to say thank you for putting the yellow progress bar across the bottom of the screen during the ad. Its the little things that make content like this so much more enjoyable to binge watch. Thank you.
@Mortequal
@Mortequal 3 года назад
Replace the wing with a machete and this would be 10x more fun
@jackroutledge352
@jackroutledge352 2 года назад
This reminds me of the Fairey Gyrodyne design of the 50's. It used tip mounted jets supplied with air from a compressor in the body of the airframe. It flew very well, and was only let down by the ungodly amount of noise it made.
@scottyh72
@scottyh72 3 года назад
I used to build these with Cox .049 engines. It had a horizontal stab above the wing with an adjustable elevator to control the pitch of the blade (speed of climb). No throttle, just watched it fly until it ran out of fuel.
@williamwinter2638
@williamwinter2638 2 года назад
Build onr myself back in the 70's plans from a flying models magazine.
@andie_pants
@andie_pants 3 года назад
As a 40-something Gen X'er... you dang whippersnappers these days are fucking _awesome._ 👍
@Ropponmatsu2
@Ropponmatsu2 3 года назад
I love these videos, down a shot every time you see: A 3d printer, a drone, a slow motion camera, liquid Nitrogen or Aluminium, a swimming pool, a suspiciously bare room that has been repurposed as a studio, a computer you cannot afford, and an immaculately mown lawn, to test the inevitable aeroplane on. Tom Stanton is one, BPS Aerospace, TheBackyardScientist, The King of Random. You will be bladdered in very short order.
@andyward8336
@andyward8336 3 года назад
Here in the UK in the 70s we used to have a firework called a helicopter. It was a bit of card about 4x1 inches with a rocket motor tapped to it about two thirds along, you would then launch it from a shed roof or a piece of wood at a angle, the fuse had to face you when you lit it. Maybe you could make a modern version with a ducted motor.
@DL-kc8fc
@DL-kc8fc 2 года назад
Probably inspired by maple nails, but nature uses this method as a parachute. It's not for controlled flying. But it's interesting.
@Richard-wk9le
@Richard-wk9le 2 года назад
Some how I was reminded of a Dog chasing its tail and like the dog it gets dizzy and falls down I also couldn't help to notice that the Cows had the good sense to hide in the trees....... Good Boy.....sit...roll over....Good Boy...
@JodiFCobb
@JodiFCobb 3 года назад
Nature is the key with Time.
@ThePinkDodo
@ThePinkDodo 3 года назад
Tf does that mean Jodi
@Thomas1980
@Thomas1980 3 года назад
Wow... nice! 👍🙏
@eriktoussaint
@eriktoussaint 3 года назад
Tears in my eyes because of laughing! You've got guts!
@XD_SPIDER
@XD_SPIDER 3 года назад
underrated channel
@charliehorse8686
@charliehorse8686 2 года назад
Add another pole at the center, pointing straight down, such that the weight tends to keep the plane of the blade's travel horizontal. In fact, you could launch it by sliding the pole down into a vertical pipe, further ensuring that its horizontal upon launch.
@Boop__Doop
@Boop__Doop 3 года назад
Sound: mina mina mina mina mina mina mina mina
@MatthewNovoselskiy
@MatthewNovoselskiy 3 года назад
Honestly don’t know why you don’t have 100k subs yet, but your on the road!!
@illuminati.official
@illuminati.official 3 года назад
For real. The quality of the content and production is more like a 500k+ channel imo
@MatthewNovoselskiy
@MatthewNovoselskiy 3 года назад
@@illuminati.official exactly, agree with you 100%
@jimmihenry
@jimmihenry 2 года назад
3:00 Nice seatbelts these are very secure, but since you wear the cap in the proper orientation you may consider to mount some headrests. In case of a accident you may hurt your neck. Or snap it, and that is a no fix :). Cheers.
@_mikolaj_
@_mikolaj_ 3 года назад
This build gives me flashbacks from ravenholm spinning blade traps in hl2...
@nightsaber2272
@nightsaber2272 3 года назад
At least that traps works xD
@patrickcollins2424
@patrickcollins2424 2 года назад
Best weapon ever or bush trimmer! I just pictured a flying sword chopping a bird in half.
@TiimedArts
@TiimedArts 2 года назад
Maybe try matching the center of rotation and center of mass and then sticking a thin stick down the whole aircraft? Then you could use a "launch tube", stick the stick into it and then launch it from there.
@MadScientist267
@MadScientist267 3 года назад
Static vs dynamic... Always fun 🤣 Nice run man
@IsaacKuo
@IsaacKuo 3 года назад
You can make a slightly simpler helicopter by eliminating the wing and tilting the main prop mostly upward. Thus, it's basically a spinning mono-rotor ... one fourth of a quadrotor. The countermass can be an L shape - a bar with a bend. The important adjustment is tilting the motor/prop so it works well. You show an example of this sort of thing at 7:37 - notice how it just has the one prop and everything else is essentially a shaped countermass to allow it to spin in a stable manner. The other bits aren't aerodynamic at all, everything useful acting on the air is the prop.
@beachinrc101
@beachinrc101 2 года назад
Wow now that makes sense so basically use your battery for counter weight so all u need is balance your battery & moter with the proper angle &your flying
@IsaacKuo
@IsaacKuo 2 года назад
@@beachinrc101 Yeah, that can work particularly well if the battery is long and thin. Basically, you want the weight distributed along a plane rather than just along a line. So, a T shape with the battery along the top and the prop at the tip of the bottom can work well. The point is, the planar weight distribution forces the body to align perpendicular to the spin axis. This in turn forces the prop to be pointed in the desired "upward" direction.
@biko9824
@biko9824 3 года назад
What are these early comments, I don’t know. But what I know is that this is a very interesting video already! Great job and nice design :)
@MCsCreations
@MCsCreations 3 года назад
Pretty fantastic work, James! 😃 I don't know why, but one of my cats kept watching everytime the helicopter turned on! 😂 Anyway, stay safe there with your family! 🖖😊
@paulmcmullan9931
@paulmcmullan9931 2 года назад
God's perfect design, man slowly understanding perfect design.
@davidholmgren659
@davidholmgren659 3 года назад
Rule number 1: an RC flying machine will always fly towards a fence! Otherwise you have done some brilliant engineering. Keep up the good work.
@williamchamberlain2263
@williamchamberlain2263 2 года назад
Rule 2: an RC helicopter can sense fear and will chase down any operator who backs away
@Dr.JustIsWrong
@Dr.JustIsWrong 2 года назад
Thank you for the Ad - Progress Bar. It helps prevent impatience induced click-by. I watched the ad any way because I could see it wasn't going to "27" hours long.. heh =)
@luke144
@luke144 3 года назад
What a wicked helicopter!!! Watched the videos in the links.... this wasn't possible 15 years ago. Mind blown! Thanks for the info and video, good stuff!
@OnTheEDge2011
@OnTheEDge2011 3 года назад
Nice one axis helicopter!!! Amazing
@greg0063
@greg0063 3 года назад
Mini Cooper?! Cool car either way
@Project-Air
@Project-Air 3 года назад
Thanks! And yes it’s a mini
@frankquijano6749
@frankquijano6749 2 года назад
That link is from Navy Aeronautics. You're good, just simpler and balanced. Be bless
@samuelcruz9258
@samuelcruz9258 3 года назад
Wow, Thats very amazing . Keep goin . Remember center of balance + center of gravity + center of drag . If you figure out how to put all in the same spot, you will have it. Good lock.
@samuelcruz9258
@samuelcruz9258 3 года назад
Also...You have the bigest shave I ever see .
@andyhoms2001
@andyhoms2001 2 года назад
Your hair is colossal...Keeps is working man!
@pat_makes_stuff
@pat_makes_stuff Год назад
I can't believe you made the 3d files public for this flying machete thing 🤣
@K3Flyguy
@K3Flyguy 3 года назад
If you get the balance figured out and build a larger winged one that doesn't need to rotate so fast I think you would be into something. Simple enough to build from a kit and when the design becomes stable it could be a lot of fun.
@nosach1104
@nosach1104 2 года назад
Отличная работа! Не останавливайся!
@Unrelentinq
@Unrelentinq 3 года назад
Started backing you a few days ago on Patreon. Very cool builds, can’t wait to see you hit that 1mil mark🙂
@Project-Air
@Project-Air 3 года назад
Thanks so much!!
@DanasWings
@DanasWings 3 года назад
Looks like the "Charybdis" helicopter published in "American Aircraft Modeler" magazine back in the 1970s. That one wasn't R/C, it used a Cox .010 glow engine. Never built one, but I still have the plans, and an .010 engine, in a box somewhere...
@evovanner
@evovanner 3 года назад
Hi great idea. I used to have a free flight helicopter with a Cox pea engine and once the engine was running the counter rotation would spin the outer blades when it got up to speed the blades would start to alter pitch with a counter weight on the blades so you are not wasting lift for drag when the blade is set pitch
@user-mc6gf5yw2i
@user-mc6gf5yw2i 3 года назад
Моделисты в СССР делали такие вертолеты и они прекрасно летали. Чертежи можно поискать в журнале Моделист - конструктор за 70 е годы.
@Ranjitzu
@Ranjitzu 2 года назад
This aircraft has the funniest sound ever! 😂😂😂
@Tight4Skin
@Tight4Skin 3 года назад
Just like in the old days! -Well it only flies backwards, but we are working on it!
@RetinaBurner
@RetinaBurner 3 года назад
Might want to see about hanging a heavy weight from the center of the tripod, if you're going to use that method to launch, it'll help stabilize the tripod, and perhaps make launches a bit more predictable. Also, the heavier the better within the capabilities of the tripod, and also keep it pretty low (almost touching the ground.) What this will do is lower the center of mass of the tripod as low as possible, and make it much more stable relative to its height. Good luck :)
@SlattFpv
@SlattFpv 3 года назад
This was sick !
@paulgurr8533
@paulgurr8533 3 года назад
McCutchen wings are a common source of entertainment at the "chuck & duck" at the nats. The guys there seem to just stand under their liquidiser with a screwdriver as a pivot and let their flat out diesels do their thing. Personally I'm rather too attached to my head to give it a go.
@dan725
@dan725 3 года назад
I love this video. So interesting! But also, that SWEET MINI! NICE!!!!! Need a behind the scenes of that Mini!
@Project-Air
@Project-Air 3 года назад
Follow my Instagram :)
@dan725
@dan725 3 года назад
@@Project-Air Oooo found it! Haha so cool! Lovely machine!
@Unmannedair
@Unmannedair 3 года назад
You can achieve full three Access control of that by implementing a time space control scheme used in conjunction with an aileron. Basically the aileron pitches up on one face of the rotation and pitches down 180° from that to achieve roll. Then changing the phase of those pictures changes the role direction. Not easy to program, but should be pretty easy to control if and Imu and microcontroller is used.
@pierrebuffiere5923
@pierrebuffiere5923 2 года назад
Clever guy, nice thinking... well done!👍👍
@_vedanthk18
@_vedanthk18 3 года назад
Please put a video on designing the CAD and some tips for designing an accurate design. This would be good. Try making a series, like Designing(CAD)>Body>Avionics>Fuel(Motors)>Recovery>Launch..... Seems quite long, but may fetch a lot of views and subscribers............. Thank you for your videos..
@Random_Axel_Dayton
@Random_Axel_Dayton 3 года назад
Love the concept! Cheers James!
@feralfpv3768
@feralfpv3768 2 года назад
That things sounded bad ass. Dope channel
@thicc1
@thicc1 3 года назад
That mini is sick
@Foxfried
@Foxfried 2 года назад
BBC2 News: Young Rc Video RU-vidr looses an eye well trying to fly a katana.
@warrenmoy4251
@warrenmoy4251 3 года назад
Nice front roll at end. Nice work like a mad scientist
@maximthemagnificent
@maximthemagnificent 2 года назад
The good thing about hand launching this is that you can do it at least twice...
@UtSlpilot
@UtSlpilot 2 года назад
I think the factor you haven’t accounted for is the center of pressure as opposed to the center of gravity. The closer these two points get the smaller the arm of force there is to work with. In an airplane the center of gravity is located ahead (forward) of the center of pressure resulting in a nose pitch down moment. In terms of stability, a more forward center of gravity result in a more stable control configuration while a more rearward (aft) center of gravity results in a less stable control configuration. I believe the wobble you observe is the offset of the center of pressure being a large distance from the center of gravity.
@rosslamb635
@rosslamb635 2 года назад
Well done! A free flight version was featured in "Aeromodeller" or perhaps "Model Aircraft" magazine (UK) in the 1950s. It was called a "Charybdis" (after the Greek Χάρυβδις, a mythical sea monster or whirlpool). In those days the power was a 0.75cc or diesel engine which developed all sorts of fuel supply problems spinning around on the arm opposite the wing.
@WinterHawke2007
@WinterHawke2007 2 года назад
I actually built one back in the 70's - still have it (but it hasn't flown in decades). Used a Cox glow motor for power - launched (as I vaguely recall) by holding it above my head and simply giving it a twist. It would climb until engine cut, and then auto-rotate down.
@attiliobastosguarnieri5416
@attiliobastosguarnieri5416 3 года назад
Português/English Eu sinceramente preferia ficar vendo suas tentativas. São um sucesso !! ! !! Inventa mais. I honestly preferred to watch your attempts. Are a success !! ! !! Invent more.
@mp-xt2rg
@mp-xt2rg 3 года назад
You can do 3 axis control if you put a hinge on the blade that gives more or less pitch depending on how far it swings in either direction. Then you just manage acceleration on your motor throughout it's rotation.
@minercraftal
@minercraftal 3 года назад
A LITTLE BIT DANGEROUS!!!🤣
@jameshogge
@jameshogge 3 года назад
I feel like the appropriate way to hand launch this would be like a boomerang to get the spin and some distance from yourself. Maybe wait until its fairly stable before then though. As for control, you should be able to modulate the wings angle of attack along with the motor power to give you all axes.
@dansw0rkshop
@dansw0rkshop 2 года назад
3D print the airfoil too! This will give you an opportunity to add the necessary washing (twist) to help with tip stalling. Most propellers have this characteristic twist.
@hanger9uk665
@hanger9uk665 3 года назад
Its remarkably stable and fun to fly. WowWee blade star.
@fungames24
@fungames24 2 года назад
This could be the most terrifying weapon. The enemy won't know where it is chopping next.
@gordonquigg9389
@gordonquigg9389 3 года назад
I think your work is really good and fresh. I like new stuff.
@justcallme00oogy
@justcallme00oogy 3 года назад
I remember I used to have a toy called the "Flytech Bladestar" and it's sorta similar to what you're doing but it could move laterally with some wizardry (I don't remember it working all that well though).
@darrellcook8253
@darrellcook8253 3 года назад
I think that the Bladestar got dizzy, I know mine did until I stuck a tiny magnet on one blade and a counterweight on the other. No idea why that worked, it shouldn't have. Some things don't seem to make sense but still worked. Mine lasted for a year until it flew away.
@justcallme00oogy
@justcallme00oogy 3 года назад
@@darrellcook8253 And where were you 10 years ago when I had my Bladestar and had this issue! Also mine succumbed to its injuries after my brother sat on it and completely messed up the blades
@cajunroadwarrior
@cajunroadwarrior 3 года назад
An easy upgrade to give it directional control would be a weight that can be swung in two axis from a center pole under the machine. You would need two servos to achieve this. Then by just pulling the weight in on direction ahead of the COG would cause the machine to fly in that direction just like a hangglider.
@jackflash6377
@jackflash6377 3 года назад
Digital compass, fast response ESC. speed and slow the motor based on compass heading and referenced to craft heading to tilt the craft at the correct time to drive it in the desired direction.
@alisioardiona727
@alisioardiona727 3 года назад
I'm impressed by how well it flies
@jackevans2386
@jackevans2386 3 года назад
Cool ! I love your ingenuity.
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