Motorcycle Lean Angle

Back in the section Side Force Equals Friction we figured out that v 2 rg the coefficient of friction. Motorcycle lean angle sensor is a sensitive part therefore a sensor which acts according the leaning of the motorcycle.

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I was told that is the point where your factory pegs or some other part will touch the ground.

Motorcycle lean angle. Data from Mazda Raceway Laguna Seca with GPS speed in black. Note how quickly he gets the bike from zero to full lean. Just eye balling the factory stock bike it seems the lean angle wouldcould be much greater than 31 degrees.

The lean angle sensor actually detects the leaning angle of the motorcycle therefore the motorcycle engine. At the bottom and in yellow the lateral acceleration channel is modified to show all positive values for cornering. The logging traces show cornering force lean angle and accelerationbraking at any given point in time.

Regarding the graphic of lean angle and G-force above. You absolutely dont want to scrape your pegs and that shouldnt be an aim so a bit of a lean angle buffer is a good thing. I think some of the Moto Guzzis have reasonable lean angle too.

Lean Angle and Coefficient of Friction. Lean angle is the angle at which your bike is leaned at the corners or while turning. The various terms are almost synonymous because any motorcycle with lean angle-sensitive ABS has traction and wheelie control though the converse is not true there are many motorcycles with traction and wheelie control but without lean angle-sensitive ABS.

When the a certain motorcycle crosses over the safe margin of lean angle then it cuts off the engine power and stop it. is the angle of lean radians The forward speed ms g the Standard gravity and r the radius of the turn in meters. Bmwguy Feb 4 2017.

Bosch introduced a new lean-angle sensor for motorcycles. On dry pavement on a cruiser style motorcycle you will run out of lean angle long before. If you corner well youll lean the bike over without thinking but if you go out with the ambition of leaning the bike over its the wrong way round - the cart is in front of the horse -.

Most motorcyclist rely blindly on comfort confidence and speed to relate to the lean angle of their motorcycle. Maximum lean angle is the angle at which you are physically able to lean the bike without touching the bike parts to the ground. On the track with good tyres good conditions correct technique etc etc maximum lean is around when the peg and foot is close to the floor or depending on your foot position you may scrape the sliders on your toes.

Just as it is easier to view both acceleration G and braking G as. I get questions on how far you can lean a motorcycle quite often. Corner G and Lean Angle.

The angle of the anti-squat line is reduced caused by the smaller rear tire radius. In the middle the lateral acceleration channel is shown in red. The angle of lean can be calculated using the laws of circular motion.

As applied to a 2009 Dyna Low what exactly do the HD specified lean angles 305 degrees and 31 degrees mean. It supplies data on the motorcycles driving dynamics providing the basis for numerous safety and comfort functions and ensuring safer more comfortable and also more dynamic motorcycling. There are also motorcycles with an IMU but that dont detect cornering.

See how hes always either on the throttle or the brakes. OVERCOMING HUMAN LIMITATIONS Elements like tires motorcycle type ground clearance and other items come into play when we consider the maximum possible lean angle we can create but first and foremost riders need to overcome the controlling internal program that pre-sets lean angle limits to 20 degrees. The bikes at 55-58 degrees within a second or so.

The apparent lean angle and the effective lean angle are different on a motorcycle due to the contact patch being off to the side versus straight down the center line of the motorcycle. Most motorcycle riders are seriously affected by the change in conditions that affect grip. In fact most riders are never taught how to ride in a manner to develop grip.

Factors on which motorcycle lean angle depends. Theres an interesting relationship between the lean angle of a motorcycle and the coefficient of friction of the tires. The anti-squat angle is also affected by reduced swingarm angle caused by the forward pitch of the chassis with lean.

Theres nearly no neutral throttle thats why hes fast. Then its the Lean angle due to a tire thickness. We just figured out that the tangent of the lean angle is equal to v 2 rg.

The image below is looking towards the center plane of the leaned motorcycle showing the front steering and rear anti-squat geometry as affected by the reduced tire radii with lean angle. That would only hold true if the motorcycle had a theoretical zero width tire. Probably a Ducati Diavel has the most lean angle for cruiser style bikes maybe a Gurney Alligator.

How far you can lean a motorcycle is the product of good cornering not an ambition in itself.

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