★★★ *FREQUENTLY ASKED QUESTIONS ABOUT THE VIDEO / FACT UPDATES* ★★★ *1) At **6:07** what is that rolling on the ground behind the rider who fell off the monowheel?* - Serk commented "was the grip to the handle bar, he pulled it off as he fell" which you can clearly see that the left handlebar is missing a grip. *2) Why don't they use fins for steering or stabilization* - No idea I am not an engineer, maybe it's difficult to fit to the frame, or maybe it would break the guidelines of the Monowheel World Record. *3) Why did you restate the purpose of the Monowheel twice* - Based off reading lots of comments from other videos of unique design vehicles, I knew if I did not restate the purpose of THIS monowheel, people would be typing, useless invention, they don't work, why bother. Things like that, it's not useless, it was built for one purpose.
Lol ummm if you were to use your self as a stabilization system. Which you have to do anyways it should be a legal act to be able to modify your shoes. This is strongly supported by the simple fact that his feet are even allowed to touch the ground ( i state this fact because people make up laws/rules/requirements. And. Change them at will lol towards more leniency or restrictions unjustified by any real means. One major factor in such change as an example is a grey area. Which raises the question by defining the legality of the practice being implemented. P.S roller blades with front and rear padded breaks seems a better bet in my opinion with modified variables/ such as for a basic example a RC Trucks suspension system with idk a strap or slip on design based around the shoes/ example snow skies) anyways dont judge this to much. I thought for about 2 seconds on this. Also question seems how you called it a form of training wheels. If you take a bicycle and add tec to stabilize it... is it still a bicycle? Id say yes even if their are literally training wheels mounted to it. But again people nitpick everything and we got alot of minds in this world.. so to one up this notion. A wheel is a rim... you add a tire with whatever design you go with... its still a wheel. So a simple design for what they are trying to achieve i feel would be... hmm how to put this. Take this rim system then picture a dodge tomahawk system lol ( check it out if you've never heard of it, it was a beast ) except one rim molded to rubber with two inflated or inner tubed sides with a division or maybe even concave separation in the middle. Essentially two rubber tires on a single rim.. ps once again lol id give them fatter outside sideways which should help in a bunch of ways maybe. Idk im a nobody. But trying to problem solve easily with desired outcome is something ive always done. Peace me out zero read signing off.
just a thought, a heavier wheel will self stabilize due to centrifugal forces, at high speed the effect gets better and staying stable should get easier.
I have ridden a pedal powered home-made monocycle that was built by a friend, based on photos and dimensions of the ones built for the Beijing Olympics. It felt pretty stable once I got the knack of getting it going, the trick was learning how to throw the body weight side to side to steer it, without overdoing the movement and causing instability. I never went very fast on that one, but people have been making motorcycle monowheels for a long time and riding them at pretty good speeds; I don't think they bothered to get measured to officially set any records, but they went at highway speeds. These students have a LOT to learn about what makes a good monowheel design and how to correctly ride them....and BTW, neither the one I rode nor the motorcycle-engine-powered ones I have seen had the rider with his legs down once the thing got going....they all had foot pegs, or pedals. I found that once I got the monowheel going, it was best to get my feet up away from the ground and concentrate on controlling the machine. As long as this team's riders have their feet in an unstabilized situation, the machine will be unstable. Their body needs to be more 'one' with the machine, too hard to do when the legs are flailing around.
I've gone 48mph on my Gotway Monster Pro. It's a high performance electric unicycle. If you look up that or the Veteran Sherman EUC, you'll see that you can get high performance and stabilization in a small package. I hope maybe they can integrate some of that tech into their Monowheel. I love this concept and I'm still holding out hope that there is a way to do this.
I love riding motorbikes, have been doing so since I was 17, and still have my latest bike I bought last year, but I highly doubt I would ride a Monowheel, way to unstable.
@Siward Beorn yeah i think the Ryno is a dead project, nothing new on his channel in ages about the bike. I have been keep track of the channel as i want to do a story on it, if it goes to market.
@Wonder World-- thanks for the video! A response to the question we get quite a bit about heelies / wheels on your feet; we actually tried that early on, but an interesting result is that when you're bringing the monowheel up to speed in heelies, any kind of misalignment from parallel in your feet leads you to very very quickly split your legs into a painful split, or drive your feet into the vehicle itself; doesn't really provide much stability and makes riding FAR more difficult than just using pads with low friction coefficients with the asphalt on your boots. And it's immensely hard to keep your legs parallel to the vehicle. After finishing the first version of the vehicle, honestly there's a LOT I would do differently. While the vehicle is definitely capable of hitting 70mph, as you can gather, I don't think it's "controllable" up to 70mph. A redesign would shift center of mass in the vehicle, likely have a smaller / carbon fiber frame, and a more robust drivetrain. The vehicle hits speed wobbles around 30-35mph (turns out that in conversations with them, the current record holders have faced this issue around the same speed as well) that was super difficult to break through-- and smaller monowheels might not experience the same issue. While the team's split apart for awhile, I'm hoping to bring this back with a redesign soon!
Huh, I guess all the other monowheel riders, including the one one going 61mph, with their feet on the pegs are doing it wrong... they forgot to check with this rider on the correct way to ride a monowheel.
Okay here's an idea for cheap/easy lateral stability. Have the rider suspended on a secondary half ring attached by pivots at the very front and rear, like a sideways swing. Then take the guts and one of the drive wheels from a hoverboard and attach it to the bottom of the seat with the wheel perpendicular to the main wheel. It can then run side to side on a small arc attached to the wheel. So basically using the hoverboard sideways so that it will keep the rider's weight centered. This would be turned on just for starting and stopping and then when really moving turned off to allow the rider to shift and steer
in 1975 we started on such a contraption in 8th grade metal shop. Thinking back our shop teacher was encouraging us to dabble in design and engineering. It got as far as bending some iron straps into a circle between sessions of smoking pot in the arc welding booth.
First off, I'm amazed nobody has snapped their leg clean in half in those crashes. Second, I think it'd be more stable with a heavier wheel, kinda like having a flywheel
Maybe you could integrate a moving weight balance either overhead or underneath that would move either forward or back depending on driver's/ drive cage angle and possibly speed you're traveling at? During start up it could start at the front and gradually move to the center, then move towards the back during the breaking, traveling along the curvature of the main wheel. For the side to side balance I think you'd have to have the seat and handles on a separate axis then the whole mono so that no matter what side angle the mono is at the seat and handles would stay perfectly level, so that the actual weight of the driver wouldn't add up to the tipping of the mono but rather to keeping it balanced.
Ah this is so incredibly cool! I hope to see some form of mono-wheel on the roads in the near future. Sidenote - your videos (and channel) are exactly what UA-cam needs more of! This, and your other videos, are what I love to call 'the rabbit hole'...watch one...now I watch 10 :) Honestly though - fantastic videos!
the reason they couldn't reach immense speeds here is because it didn't have 4 sticks, two you hold in your both hands, the other one in your mouth and you sit on the last one.
The stabilization problem was already cracked 90 years ago. You use the rider and motor weight slung in a side shifting pendulum arrangement which dampens the side to side movement. Much like sky scrapers use massive tanks of water to stop wind eddy currents building up tower swing.
Their are two forces "fighting" one another. One is the large wheel spinning on one plane, and another internal gyroscope that is spinning on a plane 90 degrees to the first. Your "stabilizing" gyro needs to have a "twin" spinning on the same plane as it does, but in the opposite direction. Picture two spinning doughnuts spinning on the same plane, but in opposite directions. The effect you're experiencing starts roughly at the same top speed, doesn't it?
There seems to be no active steering and they are relying on weight shift of the rider. This is opposite of what is required. The steering on these Mono cycles needs the wheel to rock side to side with the rider staying upright. The rider steers by leaning in to the turn. A wider tyre will help as the patch on the road can move further side to side under the riders CoG. Watch a video of a successful one of these and you will see the top of the wheel swinging side to side above the rider's head. For reference the handlebars on a bicycle are used to balance the bike. Fall to the left steer to the left. Fall to the right steer to the right. This puts the contact patch of the tyre back under the CoG. To steer a bicycle you lean into the desired turn and then balance with handlebars. A unicycle is similar. The rider sits upright and manoeuvres the cycle under their CoG to maintain balance. Like balancing a stick on your hand, Try it.
Counter weights on the front and back of the frame. Same weight. Extended slightly away from bike. Connected to throttles or levers on both handles. Front weight is connected to pivot which adjusts its position on the X axis by a motor controlled by throttle or lever. Right control moves weight off center towards the right, left control to the left. Back weight is fixed or does the opposite depending on turn requirements. Wheel tilts to the left or right depending on where weights are positioned. Since weights are further away (possibly higher) than center of gravity they have more effect on the balance of the Monowheel than the rider. Or i am stupid.
You need several wheel's inside of each other atleast 3 the outer makes it roll forward wheel inside of the outer should weigh the same and spinning the opposite direction 3times faster making you sit inside a planetary gear reduction working as a gyro and gas so when you lean forward by slowing down the gyro it increases the speed which makes it more stabile and friction must be eliminated the 3 or more wheel's inside each other should also be able to make themselves asymmetrical so they can work like a 3 Axis gyroscope kinda so when you lay down in a turn one of the wheel's will still spin in a straight upright position... you should make many in small toy version's and see the effects contra weight etc before making the prototype.. it's easier than making one mod at a time on the prototype.. even it's several wheel's it will look like one wheel.. should also install air brakes as stabilizers to help the gyroscope effect of the middle wheel which needs adjustable friction (the wheel that spins in the opposite direction of driving direction.which will make you stabile while braking.. the problem is that the monowheel ruin's your vision
Well here’s the problem, you could easily make it more stable by adding another wheel on the same axle axis. If you want to turn, make the other wheel opposite to the direction you are turning turn more or you could do a side movement which would be useful for changing lanes. I know it’s technically not a mono wheel, but it’s basically the way we think of one in terms of aesthetics and functionality. The only problem you really have to solve at that point is making the people in the cockpit level with the ground when you accelerate.
Fins are definitely *not* the answer. They'd only provide steering or stabilization while moving fast, unless the fins are enormous. What this needs for steering is a big fat round tire which will allow the wheel to turn just by leaning. This is not all that different from the Electric Unicycles that have come out in the last few years. All the talk about a gyroscope is overthinking it. The motor speed controller can keep the wheel upright in the forward-backward direction and a rider with practice can handle the left-right direction.
the first thing they should do to fix the stability issue is their very flimsy interior frame on video we can see the wheel wobbling around inside it. I'm not saying this will fix all of the issues but I am fairly certain it will help. I would also suggest a wider tyre and some sort of foam on the inside of the tyre for some padding which I imagine would help also. I'm really glad they built this as I'm trying to build my own right now and now I know some of the problems I may encounter. I also admire the driver I would be absolutely terrified at 70mph and I hope his WR run went without and problems or serious injuries.
Firstly let me say, thank you Joachim, really appreciate that. and shall do :) secondly, I HAVE NO IDEA how youtube chooses what comments to notify me about, you clearly say my channel name in the comment and it overlooks this comment, yet i get notified of random comments talking about how "big his balls are" on other videos. smh :( I only found this comment as i am going through the last 12 hours of comments, to see what I missed.
build it to go fast then build the shell to encourage forward stable direction and to protect the driver. It will lose top speed but allow more safety and reliability to reach top speed consistently.
You can counteract the inertia of the wheel accelerating and pulling the rider back by putting the engine in the frontside of the rider and the forces pulling the wheel will lessen because of the riders weight also on the back pulling the inside parts of the monowheel back
In itself the wheel is very stable due to gyroscopic properties, as many have commented. Problem with stability seems to be speed variation, causing the weight of the rider going up & down / fore & aft, hence changing the COG faster than rider can compensate. Er, maybe a counter rotating flywheel on a mercury balance switch and some sort of hacked ABS braking tech. I'm sure sharper minds than mine are working on it😄
Now you could add a gyro stabilizer and an arduino for better safety.. Like those unicycles same architecture but something smaller that you could control the center of gravity with your body. That you could sit on it, but better than unicycle, because unicycles use hubs and CoM is too high, you could use hubless design and lower the CoM of monowheel.
3:48 "that technology works on two wheels" is falsifiable statement in this aspect. To be truer: that technology works when Center of Mass is controllable. Which can be achieved with smaller wheel. When you sit inside the wheel, you won't be able to change the CoM as much than sitting over a wheel. What I mean is something between monowheel and unicycle, best of both worlds! Please, I want the tech designers to be aware of this solution, and I have the same name in twitter if you ever want to reach me out, I can provide drawings too. With regards!
I wonder if adding a sliding seat would be a benefit. Being able to shift the centre of mass during de- and acceleration should help to keep the frame level, right?
I've ridden motorcycle for over 20 years. I'm surprised that sticking your feet down is recommended and doesn't continuously cause rider induced oscillation. The wheel itself is a gyro. As others have stated make it wider and proper tread to absorb the bounces. Keep your feet up once at speed and you should be fine. Ever see a grand prix motorcycle start wobbling all over the place and once to rider comes off it rights itself and continues down the track? The rider adds instability to a stable system.
Had no idea half the people in the comments were professional engineers. If it was as easy as you think it is, you are just wrong. They are certainly much smarter than most of the people in the comments, probably even everyone in the comments.
What about making wheel heavier and wider - wouldn't create a gyroscope effect like it's often presented with bike wheels? Wouldn't that stabilize it? What about wearing roller blades instead shoes to create more points of contact and maybe add some stability? Or just set of additional wheels as stabilizers, just like for kid bikes? Maybe spherical roll cage wouldn't be such a bad idea? :P
"Gyroscopic Precession". Any inputs to the rotating plane, especially sudden ones will impar force 90Degrees from the input. I wonder about having a counter-rotating dummy wheel(s) of equal mass of slightly less diameter.
Will moving counterweight at the opposite side of driver and driving wheel help? It would move up and down along the frame automatically trying to balance oscillations.
All the monowheels I've seen have the same basic shape, which is a full circle. I'm not an engineer of any sort, but even I can see that a circle is not the best idea. Instead, people should focus on a shape that has a flat bottom, such as a wedge shape. I also think something along the lines of a catapillar track with rubber would be a better substitute for a 360 wheel and tyre combo. Such a vehicle would be far more stable and allow for greater speeds.
Putting little wheels on your feet could cause broken ankles due to steering effect. consider a ball bearing in the heel maybe. idk, just spit-balling.
Now, I want to work on it. I'd add a couple of small stabilizing wheels at the end of two stabilizing arms attached to the inner frame. There's a reason this didn't take off...physics. ;)
i think if the wheel was wider and that if there was counterweights where your feet are and if the stance of the rider wasn't so low that the rider can maintain balance inside the seating and it would become more stable
put a big and heavy gyroscope on the top? they can lean really far past their balance point and not fall, idk much about physics- could be a stupid idea
Hmmm, lots of comments on solutions but obviously they didn't listen to the video that (correctly) stated that monowheels are inherently unstable (it's been mathematically worked through multiple times / people / engineers). Lots of comments about a gyro system but again not paying attention. You might have a gyro sensor system but SOMETHING has to act to counteract the wobble. iIf you just go by brute force the WEIGHT of the gyro disc required to counteract the wobble is HUGE and it would have to have an actuator system to quickly shift the axis of rotation to counteract the wobble one direction then shift back to counteract the next. A fixed axis gyroscope just wouldn't work. They do have a problem with the wheel not being true, it's got too much runout (twist) and I can see it's not balanced. A wider 'rim' that's machined to be truly round and flat in plane while balance-able would obviously be helpful. Then the problem of the alignment n support rollers interfacing between the wheel and driver assembly having to have as little gap as possible but still maintain as much ridigidity because that's a source of flex too. If the drive unit clatters around inside the wheel (moving side to side on the wheel) then unexpected moments are introduced. And every bump in the road sends new vibrations / harmonics into the "system" which have to be damped out.
I always notice with monowheel designs, the wheels end up being too narrow and the rider needs to drag their feet, so why don't we just make them with wider wheels?
★★★ *FREQUENTLY ASKED QUESTIONS ABOUT THE VIDEO / FACT UPDATES* ★★★
*1) At **6:07** what is that rolling on the ground behind the rider who fell off the monowheel?* - Serk commented "was the grip to the handle bar, he pulled it off as he fell" which you can clearly see that the left handlebar is missing a grip.
*2) Why don't they use fins for steering or stabilization* - No idea I am not an engineer, maybe it's difficult to fit to the frame, or maybe it would break the guidelines of the Monowheel World Record.
*3) Why did you restate the purpose of the Monowheel twice* - Based off reading lots of comments from other videos of unique design vehicles, I knew if I did not restate the purpose of THIS monowheel, people would be typing, useless invention, they don't work, why bother.
Things like that, it's not useless, it was built for one purpose.
It was the grip to the handle bar, he pulled it off as he fell
@@atygr very observant, i see it too now. you just made my FAQ, see updated comment
I don't know about fins, but giving it a tail like a kite might help stability. ...don't know about rules though
Put your feet up, add some peddles.
You could say it was built for a ..mono.. purpose.
The driver should wear heelies(those old shoes i had in elementary school with wheels on the heels) to have better stability acting as training wheels
YES
Lol ummm if you were to use your self as a stabilization system. Which you have to do anyways it should be a legal act to be able to modify your shoes. This is strongly supported by the simple fact that his feet are even allowed to touch the ground ( i state this fact because people make up laws/rules/requirements. And. Change them at will lol towards more leniency or restrictions unjustified by any real means. One major factor in such change as an example is a grey area. Which raises the question by defining the legality of the practice being implemented. P.S roller blades with front and rear padded breaks seems a better bet in my opinion with modified variables/ such as for a basic example a RC Trucks suspension system with idk a strap or slip on design based around the shoes/ example snow skies) anyways dont judge this to much. I thought for about 2 seconds on this. Also question seems how you called it a form of training wheels. If you take a bicycle and add tec to stabilize it... is it still a bicycle? Id say yes even if their are literally training wheels mounted to it. But again people nitpick everything and we got alot of minds in this world.. so to one up this notion. A wheel is a rim... you add a tire with whatever design you go with... its still a wheel. So a simple design for what they are trying to achieve i feel would be... hmm how to put this. Take this rim system then picture a dodge tomahawk system lol ( check it out if you've never heard of it, it was a beast ) except one rim molded to rubber with two inflated or inner tubed sides with a division or maybe even concave separation in the middle. Essentially two rubber tires on a single rim.. ps once again lol id give them fatter outside sideways which should help in a bunch of ways maybe. Idk im a nobody. But trying to problem solve easily with desired outcome is something ive always done. Peace me out zero read signing off.
but then it would be a tricycle.
Inline skates would be even better.
I’d think of it more like not training wheels but less force against you when putting your feet down
just a thought, a heavier wheel will self stabilize due to centrifugal forces, at high speed the effect gets better and staying stable should get easier.
And a broader wheel or two side by side(Maybe even a shoulder width apart for better view ahead.)
@@Altinget Having two wheels would defeat the entire purpose of the monowheel
@@ballbagstudios4306 well..does a mono wheel actually have a purpose other than being "cool"?
Wouldn't that also block your line of sight?
@@ballbagstudios4306 dodge tomahawk had 4 wheels technically. I guess there not a motorcycle eh?
They should really talk to Mr Garrison about "IT"
😬
😬
Just missing the mouth stick, How the fuck can he control IT only with his ass ???🤔
LOL I was thinking the same :)
ah i just wanted to comment something like this
Well done. It's good to see these young students have a go at something out of the ordinary. Keep up the good work.
Me Garrison would be proud of IT.
I have ridden a pedal powered home-made monocycle that was built by a friend, based on photos and dimensions of the ones built for the Beijing Olympics. It felt pretty stable once I got the knack of getting it going, the trick was learning how to throw the body weight side to side to steer it, without overdoing the movement and causing instability. I never went very fast on that one, but people have been making motorcycle monowheels for a long time and riding them at pretty good speeds; I don't think they bothered to get measured to officially set any records, but they went at highway speeds. These students have a LOT to learn about what makes a good monowheel design and how to correctly ride them....and BTW, neither the one I rode nor the motorcycle-engine-powered ones I have seen had the rider with his legs down once the thing got going....they all had foot pegs, or pedals. I found that once I got the monowheel going, it was best to get my feet up away from the ground and concentrate on controlling the machine. As long as this team's riders have their feet in an unstabilized situation, the machine will be unstable. Their body needs to be more 'one' with the machine, too hard to do when the legs are flailing around.
His shoes keep catching randomly throwing him off a much as it does in any way giving him reassurance
I think a way to stabilize the monowheel is by broadening the tyre so that it can balance easily.
Yeah I am curious why they did not do that. It could just be the ease of using bicycle tires.
Steering would quite a bit less sharp then, but it might be worth it
@@Amityz72323 It looks like they're testing it on a runway/large field so I don't see the need for good steering
then you cant see anything
All the ones i'v seen had large tires, I would think that would help a lot with stabilization.
The tires they used in the monowheel the Olympic opening in China in 2008 were like 3" or 4" wide....the riders were quite stable.
The added mass would also create a better gyro
@@sageoz9886 Yes, exactly my thought as well.
Well your the scientist with years of knowledge on it.....
@@mikeman2056 and your an English major.
Mr Garrison's "IT" worked really well.
I've gone 48mph on my Gotway Monster Pro. It's a high performance electric unicycle. If you look up that or the Veteran Sherman EUC, you'll see that you can get high performance and stabilization in a small package. I hope maybe they can integrate some of that tech into their Monowheel. I love this concept and I'm still holding out hope that there is a way to do this.
I love riding motorbikes, have been doing so since I was 17, and still have my latest bike I bought last year, but I highly doubt I would ride a Monowheel, way to unstable.
I am 16 without bike 😭😭😭
OK what if I make 1,00,000 rpm BAYBLADE
@Siward Beorn yeah i think the Ryno is a dead project, nothing new on his channel in ages about the bike. I have been keep track of the channel as i want to do a story on it, if it goes to market.
@Siward Beorn bro you’re caps lock is stuck
@Siward Beorn hm, I see
I love how engineering students with unlimited resources still can’t make a hundred year old invention work.
you cant just "make things work" if the design in itself is problematic. The monowheel is a generaly inferior design compared to a bike.
@Wonder World-- thanks for the video! A response to the question we get quite a bit about heelies / wheels on your feet; we actually tried that early on, but an interesting result is that when you're bringing the monowheel up to speed in heelies, any kind of misalignment from parallel in your feet leads you to very very quickly split your legs into a painful split, or drive your feet into the vehicle itself; doesn't really provide much stability and makes riding FAR more difficult than just using pads with low friction coefficients with the asphalt on your boots. And it's immensely hard to keep your legs parallel to the vehicle.
After finishing the first version of the vehicle, honestly there's a LOT I would do differently. While the vehicle is definitely capable of hitting 70mph, as you can gather, I don't think it's "controllable" up to 70mph. A redesign would shift center of mass in the vehicle, likely have a smaller / carbon fiber frame, and a more robust drivetrain. The vehicle hits speed wobbles around 30-35mph (turns out that in conversations with them, the current record holders have faced this issue around the same speed as well) that was super difficult to break through-- and smaller monowheels might not experience the same issue.
While the team's split apart for awhile, I'm hoping to bring this back with a redesign soon!
Ever try wearing skis?
Huh, I guess all the other monowheel riders, including the one one going 61mph, with their feet on the pegs are doing it wrong... they forgot to check with this rider on the correct way to ride a monowheel.
That looks like a good way to break an ankle. How about a tuned mass damper to null the oscillations?
Okay here's an idea for cheap/easy lateral stability. Have the rider suspended on a secondary half ring attached by pivots at the very front and rear, like a sideways swing. Then take the guts and one of the drive wheels from a hoverboard and attach it to the bottom of the seat with the wheel perpendicular to the main wheel. It can then run side to side on a small arc attached to the wheel. So basically using the hoverboard sideways so that it will keep the rider's weight centered. This would be turned on just for starting and stopping and then when really moving turned off to allow the rider to shift and steer
Brings back wolfenstein memories
Now imagine this but also having them play a children's card game
I regularly do 45mph in traffic with my electric unicycle, and it is incredibly stable...lol Try an EUC!
My thoughts exactly 👍
(Full send on this thing would be death 😐)
Card games on motercycles!
Mr garrison maybe have some tips for them... Anyway great effort ❤️
in 1975 we started on such a contraption in 8th grade metal shop. Thinking back our shop teacher was encouraging us to dabble in design and engineering. It got as far as bending some iron straps into a circle between sessions of smoking pot in the arc welding booth.
Lmfaoo 🤣👍
meanwhile a youtuber named Make it Extreme built a monowheel that he drove with no issues. 2 years before this video was released.
Filmed at the Duke International Airport
This is THE FIRST monowheel video in which the operator was properly dressed that I have seen.
I wonder what's next,Card games on Motorcycles?
First off, I'm amazed nobody has snapped their leg clean in half in those crashes. Second, I think it'd be more stable with a heavier wheel, kinda like having a flywheel
Jack Atlas would be proud
Maybe you could integrate a moving weight balance either overhead or underneath that would move either forward or back depending on driver's/ drive cage angle and possibly speed you're traveling at? During start up it could start at the front and gradually move to the center, then move towards the back during the breaking, traveling along the curvature of the main wheel. For the side to side balance I think you'd have to have the seat and handles on a separate axis then the whole mono so that no matter what side angle the mono is at the seat and handles would stay perfectly level, so that the actual weight of the driver wouldn't add up to the tipping of the mono but rather to keeping it balanced.
Why does the electric Unicycle work so good? It just has front to back stabilization. I ride them all the time.
Ah this is so incredibly cool! I hope to see some form of mono-wheel on the roads in the near future. Sidenote - your videos (and channel) are exactly what UA-cam needs more of! This, and your other videos, are what I love to call 'the rabbit hole'...watch one...now I watch 10 :) Honestly though - fantastic videos!
the reason they couldn't reach immense speeds here is because it didn't have 4 sticks, two you hold in your both hands, the other one in your mouth and you sit on the last one.
The stabilization problem was already cracked 90 years ago. You use the rider and motor weight slung in a side shifting pendulum arrangement which dampens the side to side movement. Much like sky scrapers use massive tanks of water to stop wind eddy currents building up tower swing.
I like this comment. Could you explain more or give a reference video?
Their are two forces "fighting" one another. One is the large wheel spinning on one plane, and another internal gyroscope that is spinning on a plane 90 degrees to the first. Your "stabilizing" gyro needs to have a "twin" spinning on the same plane as it does, but in the opposite direction. Picture two spinning doughnuts spinning on the same plane, but in opposite directions. The effect you're experiencing starts roughly at the same top speed, doesn't it?
There seems to be no active steering and they are relying on weight shift of the rider.
This is opposite of what is required. The steering on these Mono cycles needs the wheel to rock side to side with the rider staying upright. The rider steers by leaning in to the turn.
A wider tyre will help as the patch on the road can move further side to side under the riders CoG.
Watch a video of a successful one of these and you will see the top of the wheel swinging side to side above the rider's head.
For reference the handlebars on a bicycle are used to balance the bike. Fall to the left steer to the left. Fall to the right steer to the right. This puts the contact patch of the tyre back under the CoG.
To steer a bicycle you lean into the desired turn and then balance with handlebars.
A unicycle is similar. The rider sits upright and manoeuvres the cycle under their CoG to maintain balance. Like balancing a stick on your hand, Try it.
Counter weights on the front and back of the frame. Same weight. Extended slightly away from bike. Connected to throttles or levers on both handles. Front weight is connected to pivot which adjusts its position on the X axis by a motor controlled by throttle or lever. Right control moves weight off center towards the right, left control to the left. Back weight is fixed or does the opposite depending on turn requirements. Wheel tilts to the left or right depending on where weights are positioned. Since weights are further away (possibly higher) than center of gravity they have more effect on the balance of the Monowheel than the rider. Or i am stupid.
You need several wheel's inside of each other atleast 3 the outer makes it roll forward wheel inside of the outer should weigh the same and spinning the opposite direction 3times faster making you sit inside a planetary gear reduction working as a gyro and gas so when you lean forward by slowing down the gyro it increases the speed which makes it more stabile and friction must be eliminated the 3 or more wheel's inside each other should also be able to make themselves asymmetrical so they can work like a 3 Axis gyroscope kinda so when you lay down in a turn one of the wheel's will still spin in a straight upright position... you should make many in small toy version's and see the effects contra weight etc before making the prototype.. it's easier than making one mod at a time on the prototype.. even it's several wheel's it will look like one wheel.. should also install air brakes as stabilizers to help the gyroscope effect of the middle wheel which needs adjustable friction (the wheel that spins in the opposite direction of driving direction.which will make you stabile while braking.. the problem is that the monowheel ruin's your vision
Well here’s the problem, you could easily make it more stable by adding another wheel on the same axle axis. If you want to turn, make the other wheel opposite to the direction you are turning turn more or you could do a side movement which would be useful for changing lanes. I know it’s technically not a mono wheel, but it’s basically the way we think of one in terms of aesthetics and functionality. The only problem you really have to solve at that point is making the people in the cockpit level with the ground when you accelerate.
Are you telling me that NO ONE thought to use fins for steering or stabilisation... NOT ONE PERSON?!?!
Yup, thought about this really quickly. Maybe that's why they are still students? lol
Fins are definitely *not* the answer. They'd only provide steering or stabilization while moving fast, unless the fins are enormous. What this needs for steering is a big fat round tire which will allow the wheel to turn just by leaning. This is not all that different from the Electric Unicycles that have come out in the last few years. All the talk about a gyroscope is overthinking it. The motor speed controller can keep the wheel upright in the forward-backward direction and a rider with practice can handle the left-right direction.
Jack Atlas did
I look forward to seeing part two 😉☺️
full gear, no gloves. brilliant.
the first thing they should do to fix the stability issue is their very flimsy interior frame on video we can see the wheel wobbling around inside it. I'm not saying this will fix all of the issues but I am fairly certain it will help. I would also suggest a wider tyre and some sort of foam on the inside of the tyre for some padding which I imagine would help also. I'm really glad they built this as I'm trying to build my own right now and now I know some of the problems I may encounter. I also admire the driver I would be absolutely terrified at 70mph and I hope his WR run went without and problems or serious injuries.
Great content keep up your hard work it’s much appreciated.
Flashbacks from Men In Black 3
Hey Wonder World, just watched your my story video it was interesting to hear how the channel has progressed keep up the good work!
Firstly let me say, thank you Joachim, really appreciate that. and shall do :)
secondly, I HAVE NO IDEA how youtube chooses what comments to notify me about, you clearly say my channel name in the comment and it overlooks this comment, yet i get notified of random comments talking about how "big his balls are" on other videos. smh :(
I only found this comment as i am going through the last 12 hours of comments, to see what I missed.
OMG I have to do everything myself :), just put an automatic gyroscopic module inside the rider's melon , we don't use most of the brain anyway :)))
build it to go fast then build the shell to encourage forward stable direction and to protect the driver. It will lose top speed but allow more safety and reliability to reach top speed consistently.
You can counteract the inertia of the wheel accelerating and pulling the rider back by putting the engine in the frontside of the rider and the forces pulling the wheel will lessen because of the riders weight also on the back pulling the inside parts of the monowheel back
Who else thought of south park when they saw this
In itself the wheel is very stable due to gyroscopic properties, as many have commented. Problem with stability seems to be speed variation, causing the weight of the rider going up & down / fore & aft, hence changing the COG faster than rider can compensate. Er, maybe a counter rotating flywheel on a mercury balance switch and some sort of hacked ABS braking tech. I'm sure sharper minds than mine are working on it😄
its like a giant hollow bore motor electric unicycle.
They should be using Teflon rollers to stabilize the wheel, in the video shots from behind the driver show the wheel flexing shortly before a crash.
Now you could add a gyro stabilizer and an arduino for better safety.. Like those unicycles same architecture but something smaller that you could control the center of gravity with your body. That you could sit on it, but better than unicycle, because unicycles use hubs and CoM is too high, you could use hubless design and lower the CoM of monowheel.
3:48 "that technology works on two wheels" is falsifiable statement in this aspect. To be truer: that technology works when Center of Mass is controllable.
Which can be achieved with smaller wheel.
When you sit inside the wheel, you won't be able to change the CoM as much than sitting over a wheel.
What I mean is something between monowheel and unicycle, best of both worlds!
Please, I want the tech designers to be aware of this solution, and I have the same name in twitter if you ever want to reach me out, I can provide drawings too.
With regards!
Doesn't look that good, but the concept is always amazing.
Do a wheelie
fatter rim and flatter tire should work love this so much
The general instability can be mostly fixed by using a wider wheel and an internal Gyroscope
I wonder if adding a sliding seat would be a benefit. Being able to shift the centre of mass during de- and acceleration should help to keep the frame level, right?
Man breaks Genesis world record off of one wheeled motorcycle
General Grievous: cough cough hold my lightsavers
This is no match for my wheelbike
General grievous punching the air rn
There is more room to improve in the future. Hope they make it stable to ride😉👍
check the one at 1920 they ruun smooth
Try with rollerblades
borderlands 3 : write that down write that down!
All I can think of when watching this video is the south park episode with Mr. Garrison's 'New vehicle'... ugh...
I wonder if they install a thicker wheel and a wider body would it help with keeping it more stable?
imagine riding a bike at 30+ and not locking it in with your knees. you get the same speed wobbles..
I'm reminded of a quote from R.I.P.D., "Relax body!"
I've ridden motorcycle for over 20 years. I'm surprised that sticking your feet down is recommended and doesn't continuously cause rider induced oscillation. The wheel itself is a gyro. As others have stated make it wider and proper tread to absorb the bounces. Keep your feet up once at speed and you should be fine. Ever see a grand prix motorcycle start wobbling all over the place and once to rider comes off it rights itself and continues down the track? The rider adds instability to a stable system.
This reminds me about MIB.
Imagine being a student and you had to build this or you fail your degree.
Shits scary.
I get they're trying to perfect the the idea of the monowheel but it feels like a dual wheeled version would be a more worthwhile endeavor.
Had no idea half the people in the comments were professional engineers.
If it was as easy as you think it is, you are just wrong. They are certainly much smarter than most of the people in the comments, probably even everyone in the comments.
What about making wheel heavier and wider - wouldn't create a gyroscope effect like it's often presented with bike wheels? Wouldn't that stabilize it?
What about wearing roller blades instead shoes to create more points of contact and maybe add some stability? Or just set of additional wheels as stabilizers, just like for kid bikes?
Maybe spherical roll cage wouldn't be such a bad idea? :P
The rotating mass of the wheel should be heavier so that it actually acts as a gyroscope
People saying a bigger wheel will probably stabilize it. But then it will make it harder for you to see.
I really hope this would have more applications than just a speed record..
Maybe the pilot could have been on a separate sit, and this sit could pivot to side to side to help change direction and stabilize the wheel
"Gyroscopic Precession". Any inputs to the rotating plane, especially sudden ones will impar force 90Degrees from the input.
I wonder about having a counter-rotating dummy wheel(s) of equal mass of slightly less diameter.
Will moving counterweight at the opposite side of driver and driving wheel help? It would move up and down along the frame automatically trying to balance oscillations.
Missed opportunity. They could’ve worn a General Grievous costume
All the monowheels I've seen have the same basic shape, which is a full circle. I'm not an engineer of any sort, but even I can see that a circle is not the best idea. Instead, people should focus on a shape that has a flat bottom, such as a wedge shape. I also think something along the lines of a catapillar track with rubber would be a better substitute for a 360 wheel and tyre combo. Such a vehicle would be far more stable and allow for greater speeds.
Now I know we’re elanip got his idea from
what i remember is MIB
in the meantime, Walter Nilsson created a very stable monowheel motorcycle in the fakin 1930s
Putting little wheels on your feet could cause broken ankles due to steering effect. consider a ball bearing in the heel maybe.
idk, just spit-balling.
Now, I want to work on it. I'd add a couple of small stabilizing wheels at the end of two stabilizing arms attached to the inner frame.
There's a reason this didn't take off...physics. ;)
i think if the wheel was wider and that if there was counterweights where your feet are and if the stance of the rider wasn't so low that the rider can maintain balance inside the seating and it would become more stable
Dude we are SOOO close to the future of transportation South Park envisioned lol
Well, it's still better than dealing with the airlines.
Now i have South Park flashbacks
"gotta think outside the wheel"
put a big and heavy gyroscope on the top? they can lean really far past their balance point and not fall, idk much about physics- could be a stupid idea
i met one of the guys who made the previous fastest rotary powered one at a car show, didnt get to see it drive tho sadly
Now all we need to do is attach a duel disc
Hmmm, lots of comments on solutions but obviously they didn't listen to the video that (correctly) stated that monowheels are inherently unstable (it's been mathematically worked through multiple times / people / engineers). Lots of comments about a gyro system but again not paying attention. You might have a gyro sensor system but SOMETHING has to act to counteract the wobble. iIf you just go by brute force the WEIGHT of the gyro disc required to counteract the wobble is HUGE and it would have to have an actuator system to quickly shift the axis of rotation to counteract the wobble one direction then shift back to counteract the next. A fixed axis gyroscope just wouldn't work.
They do have a problem with the wheel not being true, it's got too much runout (twist) and I can see it's not balanced. A wider 'rim' that's machined to be truly round and flat in plane while balance-able would obviously be helpful. Then the problem of the alignment n support rollers interfacing between the wheel and driver assembly having to have as little gap as possible but still maintain as much ridigidity because that's a source of flex too. If the drive unit clatters around inside the wheel (moving side to side on the wheel) then unexpected moments are introduced. And every bump in the road sends new vibrations / harmonics into the "system" which have to be damped out.
I always notice with monowheel designs, the wheels end up being too narrow and the rider needs to drag their feet, so why don't we just make them with wider wheels?
integrate a "segway" stability system and this could work.
I think this is where gyros could come in handy
Why is no one making the inner frame maglev?? That would make so much less friction, not even mentioning that it would be much more silent.
Good idea but in practice it's harder and more expensive to build for most people, plus most probably haven't considered it
The design team has to mount stabilizing Gyro on top; very simple solution!
they take up more space than traditional bicycles too.