Steering a Motorcycle correctly
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- Опубликовано: 3 ноя 2024
- The Team Raible driving school has already explained this topic well, but only in German:
• Wie bewege ich ein Mot...
With kind permission, here is an excerpt from the book by Arnold Wagner, the inventor of these cabin motorbikes:
"Although the dynamic stability of the single-track is not a scientific development, it was soon noticed that the stability of the single-track increases with increasing speed. Whereas with the multitrack, the two tracks tend to start fighting at higher speeds and the straight-ahead running suffers. Even today, many textbook explanations of the driving stability of two-wheelers are often "NONSENCE", especially when only gyroscopic forces are mentioned. It is true that dynamic driving stability requires the swivelling front wheel to trail, the "Serving-boy effect" and a laterally stiff rear wheel. When the vehicle is stationary, the steering locks automatically because the inclination of the steering axle causes a lowering of the vehicle's centre of gravity due to steering deflection. When driving, the straight steering of the front wheel counteracts the steering deflection by lowering the centre of gravity. The stability or CAPSIZE SPEED is reached when the straightening caster forces clearly exceed the deflecting lowering forces. Practically, this value is determined by the ability to drive freehanded with the handlebars released. A vertical steering axis a la Servierboy would theoretically result in the lowest capsizing speed, whereas, for example, choppers with fork angles of 50° and less are forced to sway as if drunk when driving slowly. For reasons as yet unexplained, most motorbikes have a steering axle inclination of ~ 62° to the horizontal. By using motorbike forks that cannot be changed geometrically, I had to increase this steering axis inclination to ~ 70° on my cabin motorbikes so that the caster is shortened from ~ 110 mm to the desired ~ 60 mm.
Now how is stabilisation from the leaned position achieved? Quite simply, by the caster causing a steering deflection towards the inside of the curve due to the migration of the ground contact on the tyre towards the inside, thus straightening the two-wheeler.
The two-wheeler thus defends itself against disturbances of the dynamic equilibrium, regardless of whether the disturbances are caused by leaning, crosswind, sloping road, steering input or shifting of the rider's weight. Only at high speeds do gyroscopic forces, especially of the front wheel, play a stabilising role. Thus, motorbikes on the motorway at over 200 km/h become stubborn straight-line runners with high steering forces in curves.
Clearly and apodictically, I must now also state here how two-wheelers are to be steered correctly: Not by shifting the rider's weight, but by purely operating the handlebars.
In the stability area or above the capsize area, the two-wheeler reacts in exactly the opposite way to a three-wheeler. A turn of the handlebars to the left leads to a right-hand lean and thus a right-hand turn, a turn to the right leads to a left-hand lean and a left-hand turn. Countersteering is required, which makes it difficult for little Bobby to change from a child's tricycle to his first bicycle.
Again, surprisingly, many cyclists and motorcyclists do not know how to steer their two-wheelers. They can do it and believe in everything but countersteering. Weight shifting is mentioned, the minimal influence of which can easily be verified as follows:
With a motorbike and fixed throttle, a defined lane in a large car park is to be followed freehand by body shifting. The huge deviations make everyone gratefully return to the super-precise SERVO steering method by guidon, SERVO because handlebar torque to caster corresponds to a gear ratio of about five to ten.
The force curve of the two-wheel steering over the speed and lean angle of the conventional motorbike is difficult for the rider to grasp because the handlebar, which is very sensitive to movement, is misused for a double function, more or less as a turn bar. On the one hand, it is steered with little force, on the other hand, the upper body is supported on it and/or the wind pressure on it is compensated by holding on to it. This makes it impossible for the rider to determine how much of the often high total forces are support loads or steering inputs.
Only my abolition of the atavistic rider position in the ECO by a bucket seat and the absorption of the wind pressure through the cabin glazing made it possible for me to feel and also measure the control impulses. Since buckling up to the bucket seats eliminates the movement of the upper body and thus the displacement in relation to the handlebars, the rider feels the reaction of the vehicle to steering impulses much more precisely and thus comes to a greatly improved steering precision in the cabin motorbike."
Thank you! Was waiting for this video for a few months 😅
I wonder why enclosed cabin motorcycles aren't more popular. It's such a clever design for both city and intercity commute.
sorry that you have waited so long, but
this video was on my list for a long time. i had also announced it some time ago, maybe too early. The topic should be presented as simply as possible. The video should visually clarify what has been known for a long time. Every motorcyclist who has seen my video can decide for himself what he does with this information, even if this info is already known. i would be happy if i could help one or the other to steer his single-track vehicle "consciously" better.
@@MonoRacer
Worth waiting 😄
I think the steering is probably what's less understood about cabin motorcycles, since as you said, you can't shift your body weight to steer. Alongside the unconscious fear of falling over at low speed, it's probably what's preventing a wider adoption of the concept that would make traffic jams less of a problem.
Thanks again.
this video is not only for those interested in cabin motorbikes, but I have made this video especially for all motorcyclists!
The aim was to show what is already theoretically known, but until now there has been no video that visually represents these findings. steering single-track vehicles, i.e. from bicycles to heavy motorbikes, is primarily implemented in practice by moving the handlebars. weight shifting, as can be seen with racers, changes the overall centre of gravity to desired results when driving through a bend.
@@MonoRacer
Yes it's curious how the handling reverses when the gyroscopic effect kicks in beyond a certain speed, which your video demonstrates well
In my video description there is an extensive excerpt from the book by Arnold Wagner, the inventor of these cabin motorbikes, where Arnold describes the situation for "correct steering" in his own words. The English text, however, is freely translated with the help of www.deepl.com/de/translator.
and might have some mistakes in the translation, but I hope it is understandable.
I absolutely love these machines. I've never seen one in the U.S. I wish they weren't so expensive.
How do you change gears? How does reverse work? Could you please make a video explaining that? I know it's a super basic video, but I've been obsessed with these for about 8 years now. Thanks.
@dantejones4551
Thanks for this suggestion, this is a great way to explain everything exactly how it works. I will plan this video and then post it here, however I ask for some patience for this.
Please post more videos of the MonoRacer
@marcdunivan2436:
More videos are planned but it will probably take some time. I ask for a little patience. In particular, I want to make a video to show all the details of what is involved in correct handling.
I want one of these motorcycles, really *BAD!*
Asik juga
Could you please make a video showing the landing gear mechanism behind the passenger seat ?
i have been planning a video for a long time to explain all the details of how everything works and how everything is operated correctly. for such a documentary, i have to jack up the motorcycle so that the rear wheel can turn freely in the air. then i will simulate a real ride in this state. i want to capture all this in a video. as soon as i find some time for it, i will realize this project.
@@MonoRacer sincerely appreciate your response. Looking forward to the video! I am VERY passionate about the Monotracer/Ecomobile and look forward to laws changing so that they will be drivable in the US.
Hello! Let's bring the presence of motorbikes to Vietnam! Thank 1:49
unfortunately, this is out of my hands, but i would love to ride my monoracer across vietnam!
my number one favorite (but I have to work for 50 years to buy this engine :( it's just a dream for me ) 😢😢😢
Does the MonoTracer/MonoRacer have center-hub steering?
"....fortunately NOT, CENTER-HUB-STEERING is no good solution for Single Track Vehicles because by it’s WIDTH it restricts LEANING ANGLE unnecessairly……."
signed by the inventor and builder of MonoTracer-Construction
Arnold Wagner
@@MonoRacerInteresting that is the first time I have heard that complaint about center-hub steer...the Quasar for example. Most complaints are about the feel of the steering.
Far to expensive thought