how caster angle works

Automotive manufacturers design the suspension systems to provide ease of steering and directional stability. This is because the steering axis is now inclined, rather than vertical, due to the caster. That’s because the front spindle on your bicycle has a forward angle (caster) built in. For a more performance oriented setup on a MacPherson strut you can add a degree or two to have more favorable camber gain at high steering angles. A second line is then drawn vertically down the centre line of the wheel. Caster AngleCaster angle is the side-view angle between vertical and the virtual line that connects the upper and lower ball joints. In this case the lateral forces at the tire do not act at the center of the contact patch, but at a point behind the center. The first of four short videos explaining tire alignment. 1395 Millimeter betragen. The steering axis is a line drawn through the upper and lower ball joints of the knuckle. The effects of a positive caster. With the wheels on the turntables and pointing straight ahead, zero your turntables. It’s measured in the same degrees found on a circle, and the more the wheel is pulled back, the more degrees of caster … Factory alig The angle from the axle to the handle is like caster. Caster refers to how far forward or backwards the wheels of a car are in relation to their steering pivot angle. Power steering is usually necessary to overcome the jacking effect from the high caster angle. Caster. Technically, the negative caster is the opposite of the positive one. In the past, they use a negative caster on a few vehicles, to lower steering effort. Camber Angle Definition . (note: this video applies to both Camber Caster Gauge #1 and #2 BELOW, although #1 is used in the video) DIGITAL CAMBER AND CASTER TOOL WORKS! A simplified way to think of it is the angle of the ball joints. Caster angle is used to describe automobile geometry. The two ends of the angle plate are also flat and at right angles to both of the two other surfaces. Based on the suspension type, the wheel’s position will be at the south of the upper ball joint or strut point while the axis axis will be vertical to the road. You can usually find a fixed-wheel caster with the same wheel size and mounting height as its swiveling cousin. How it Works: Steering. As you already know, a positive caster occurs when the steering axis tilts in … Together with a caster angle of both 24°, the R6 has only 81 mm trail & 1380 mm wheel base and R1 92 mm trail & 1395 mm wheel base. Caster angle forms when the steering axis line crosses the road contact ahead of the vertical line. Caster angles over 7 degrees with radial tires are common. [5], Angular displacement of the steering axis from the vertical axis of a steered wheel in a car, motorcycle, bicycle or other vehicle, measured in the longitudinal direction / the angle between the pivot line and vertical, http://www.bikeforest.com/CAD/caster_angle.php, https://en.wikipedia.org/w/index.php?title=Caster_angle&oldid=999586611, Articles with unsourced statements from July 2020, Creative Commons Attribution-ShareAlike License, This page was last edited on 10 January 2021, at 23:21. CLICK HERE FOR A VIDEO ON HOW THIS . Wheel Alignment Explained. Steering wheel returnability is dependent on the caster angle, and most vehicles incorporate positive caster (~ 6-7 degrees) into both front wheels. A fully loaded caster (meaning, with the eccentric shifted backward to accentuate the pre-set angle formed by the Cs in the chassis) causes the maximum possible load transfer to the front tires and so better corner-entry performance. Formula1 … With a car with MacPherson strut suspension on the front wheels the method of drawing the caster angle is slightly different. ... Caster - This refers to the angle of the steering axis in relation to tan imaginary vertical line through the center of the wheel when viewed from the side. Camber is the angle at which the wheel and tire stand relative to the road – assuming it is perfectly flat. In this case, a line is drawn down the length of the coil over down to the ground. The rear suspension on some cars also has a caster. CASTER DEFINEDCaster is a design condition that, in addition to the spindle kingpin angle, serves to cause a wheel to want to track straight ahead. This makes a vehicle easier to control and improves its directional stability (reducing its tendency to wander). A caster with a mounting plate usually works best on platforms made from wood. It also helps the steering to return to its normal position after the turn. This is called cross caster and the difference is called the spread. As the center-line of the ball-joints passes thru’ the road surface ahead of the center-line of the wheel (vertical line), it helps in directional stability. This is all connected to the front wheels. How Cambered Tires Work. Tan (θ) = (AD-BC)/AB. However, the same line falling behind the vertical line forms ‘Negative Caster’; both viewed from the side. Always you have to look either from the front or rear of the vehicle. If the top of the wheel is tilted inside of the vehicle then the camber angle is negative and if the top of the wheel is tilted outward from the vehicle then it is positive camber angle. The easiest way to envision what camber looks like is to view the wheel and tire head on. The steering axis is angled such that a line drawn through it intersects the road surface slightly ahead of the center of the contact patch of the tire on the pavement by a distance called trail. The ASTC or CAST or unit circle method for finding two angles having a given sine, cosine or tangent In this method you draw a set of axes and label the quadrants 1, 2, 3 and 4 with the letters A, S, T and C respectively as shown in the diagrams below. If you’re driving down a straight path but start pulling to one side, that’s a sign your caster is off. Pick up a wheelbarrow and stand it vertically on the tire with the handles straight in the air. Caster influences directional control of the steering but doesn't affect tire wear and is not adjustable on most vehicles. They are available in various sizes, and are commonly made of rubber, plastic, nylon, aluminum, or stainless steel . Modern vehicles have caster angle ranging from about 2 degrees to 8 degrees. This unequal caster will be noticeable to the driver as the car will want to pull toward the side having the least positive (or most negative) caster angle. Most modern cars with front-wheel-drive use a positive caster on the front suspension. If you are not running power steering, a caster setting of 3 - 4° is a good setup to reduce the … The stub-axle center rotates along the axis of the ball-joints (or king-pin) center-line. Camber, caster and toe angle, Suspension basics and Alignment simplified This distance is called the pneumatic trail and varies with speed, load, steer angle, surface, tire type, tire pressure and time. Caster is the tilting of the uppermost point of the steering axis either forward or backward when viewed from the side of the vehicle. part number CC1A. How does camber work? against the direction of the travel of the vehicle produces a positive (+) casterangle. Caster Caster is the tilt of the steering axis of each front wheel as viewed from the side of the vehicle. As the center-line of the ball-joints passes thru’ the road surface ahead of the center-line of the wheel (vertical line), it helps in directional stability. Pick up a wheelbarrow and stand it vertically on the tire with the handles straight in the air. Positive caster angles run between 3 - 5° on modern vehicles. Why Is My Steering Wheel Shaking? The camber angle shows the tilt of the tires. A caster (or castor) is an undriven, single, double, or compound wheel that is designed to be attached to the bottom of a larger object (the "vehicle") to enable that object to be moved. Turning the wheel lifts the front end a little, and releasing the wheel allows the weight of the vehicle to push back down, assisting return to center. In turn, this causes more or less of a weight transfer … Some front-end alignment calls for different right side and left side caster. ThoughtCo. Imagine pushing it and trying to turn it. Caster a little more complicated than camber. A good starting point for this is 30 mm behind the center of the contact patch. Caster causes a wheel to align with the direction of travel, and can be accomplished either by caster displacement or caster angle. Lets start with basics Caster – Negative and Positive Caster is the measure of how far forward or behind the steering axis is to the verticle axis, viewed from the side. The caster: how to work on it. You can adjust caster on some modern cars with independent rear suspension.eval(ez_write_tag([[250,250],'carbiketech_com-banner-1','ezslot_13',120,'0','0'])); Two-wheelers such as scooters & motorcycles also have the caster angle. If you don't have a set of turn plates you can use the angles machined on the corners of the gauge as a reference. Caster acts in the same way as in the furniture wheel does. -AndrewDressel 03:08, 12 June 2009 (UTC) Doesn't help that there is a picture of a motorbike on the caster angle page but no mention of rake and trail. A common example is a … Again, this is done in 2D from the side view of the car. [citation needed]. It regulates tire behavior through bends by raising the outside front wheel and lowering the inside front wheel. Well, to understand why something works, it’s good to know how it works. A negative camber angle will result in tire wear on the inside of the tire. However, it is fixed & cannot be adjusted in the rigid suspension/ king-pin design.eval(ez_write_tag([[300,250],'carbiketech_com-large-leaderboard-2','ezslot_14',121,'0','0'])); CarBikeTech is a technical blog. In other words, if the projected line passing thru’ the king-pins or ball-joints falls ahead of the vertical line, it forms ‘Positive Caster’. The angle between the forks/shock absorbers center and the vertical line forms the ‘Caster’ angle in motorcycles. Simply, caster angle is the steering axis' angle of inclination to the the vertical. This is measured by drawing a line between the top and bottom pivot points of the front upright. This is obtained by the caster angle in the front suspension. Troubleshooting a complaint about vehicle handling, ride or vibration starts with knowing what a particular alignment angle does and how all the angles work together. Camber is the angle between the centre plane of a tire and the vertical plane viewing from the front or rear of the vehicle. Caster angle moves the steering axis from vertical.[3]. Proper management of camber angle is a major factor in suspension design, … - Daretobedifferent.org Susie Wolff and UK governing body of UK motorsport have joined forces to launch Dare To Be … Whether you're planning to lower your Mustang or just want to make sure you'll have enough traction to get around a tight curve, you may need to adjust your caster and camber angles. Caster affects a vehicles resistance to turning, and changes the … The construction has relatively high trail, but no caster, which allows changing of direction with minimal force. If the pivot axis is tilted backward (that is, the top pivot is positioned farther rearward than the bottom pivot), then the caster is positive; if it's tilted forward, then the caster is negative. Turn the wheels until the angle is parallel to the side of … When you introduce caster to a wheel geometry that steers, it automatically adds some amount of self centering. The front steering forks on a motorcycle are an easy-to-see example of how caster works. It creates the tire contact either behind or ahead of the direction of the extension of king-pin or ball-joint center-line. When the front suspension of a vehicle is aligned, caster is adjusted to achieve a self-centering action in the steering, which affects the vehicle's straight-line stability. However, in most cases, it is fixed and is not adjustable. Turn steering wheel to the right 20 deg (if your turntables have locks, lock them at this position.. if not get someone to hold the wheel steady) Caster, which is also referred to as caster angle, is the top to bottom angle of the steering axis and suspension components as they meet the wheel. If the pivot axis is tilted backward (that is, the top pivot is positioned farther rearward than the bottom pivot), then the caster is positive; if it's tilted forward, then the caster is negative. After making sure all joints are within tolerances, a computerized four-wheel alignment will keep all your angles within specification, caster, camber, toe, and more. The steering axis in a car with dual ball joint suspension is an imaginary line that runs through the center of the upper ball joint to the center of the lower ball joint, or through the center of the kingpin for vehicles having a kingpin. When it comes to getting caster, camber, and toe right, it pays to use the right equipment, like this computerized four-wheel alignment machine. Before you plunge into system diagnosis, take a moment to think about the system operating principles. The mechanic adjusts the various suspension angles -- known as toe, thrust, camber and caster-- that influence tire movement and position.The technician will also ensure that the steering wheel is centered. Camber is the angle or tilt of the tire viewed from the front or rear of the vehicle. In the context of bicycles and motorcycles, caster is more commonly referred to as "head angle", "rake angle" or "rake and trail", especially in American English. An example of caster in action is the front wheels on a shopping cart. Positive caster happens when the wheel … … It can be defined as the angle between the upper and lower wishbone pickup points on the wheel hub. Caster displacement moves the steering axis ahead of the axis of wheel rotation, as with the front wheels of a shopping cart. Caster is measured in degrees of an angle. Four Wheel Alignment Explained. Guide to Shock Absorber Replacement. Castor or Caster angle . Caster angle provides directional stability, and ease of steering. A vehicle's camber affects tire wear and stability. An angle plate is simply a piece of cast iron or steel that has two flat surfaces at right angles to each other. Caster and Camber Angles. It varies for different types of motorcycles. The caster wheel on shopping carts are an extreme case - the system is undamped but stable, as the wheel oscillates around the 'correct' path. Positive caster is when the bottom of the steering axis line is in front of the tire's contact patch. Complete Camber Gauge and Caster Gauge. The angle that determines how inclined and how high front tires are when going through bends: this is a good working definition of “caster”.Technically, it is the angle that forms between the axis vertical to the ground and the axis parallel to the imaginary line that connects tires and chassis. As we said when discussing the camber, the C bends On some angle plates there can be webbing between the two surfaces to add to the rigidity of the surfaces. Its members have an experience of over 20 years in the automobile field. A zero/neutral caster setting would result in a perfectly vertical spring/shock with the center of the wheel positioned directly “south” of the strut mount or upper ball joint (depending upon the vehicle suspension type). When stationary, the tire maintains a static camber angle, whereas when the car is cornering, due to body roll, the contact patch is reduced. Improper caster settings will require the driver to move the steering wheel both into and out of each turn, making it difficult to maintain a straight line. Positive caster means that the wheels will be at an angle towards the front of the car, while negative caster means that the wheels will be at an angle towards the rear of the car. It’s the pivot angle of the front wheels measured from vertical, when viewed from the side. When you determine the correct settings for each, you need to maintain those settings. An idea.... if you could get your hands on a short length of rectangular tubing (say 5"x3"), you could cut a short section of that, then just trim off one edge. On the other hand, for maximum straight-line acceleration, the greatest traction will be attained when the camber angle is zero and the tread is flat on the road. Caster … We’ve already discussed what is caster and how it becomes positive or negative. Troubleshooting Problems With … Caster affects the directional stability of the vehicle. Nice work! Cross camber may also be specified, but not usually both.[4]. Your car’s caster works in the same way. … Caster is the reason your bicycle steers in a straight line even after you take your hands off the handlebar. The easiest way to envision what camber looks like is to view the wheel and tire head on. Understanding that caster angle influences the directional control of the wheel, you can then see that a different caster angle for each front wheel will create an uneven steering effect. A backward tilt is positive; a forward tilt is negative. The caster angle[1] or castor angle[2] is the angular displacement of the steering axis from the vertical axis of a steered wheel in a car, motorcycle, bicycle, other vehicle or a vessel, as seen from the side of the vehicle. $289 12"-17" Wheels. All © Copyrights Reserved CarBikeTech 2020, Maserati Ghibli Hybrid: What you need to know, Active Road Noise Cancellation: what you need to know. Therefore, let's review these basic alignment angles with an eye toward typical complaints and troubleshooting. For a more performance oriented setup on a MacPherson strut you can add a degree or two to have more favorable camber gain at high steering angles. Caster is the measure of how far forward or behind the steering axis is to the vertical axis, viewed from the side. Steering has evolved markedly over the last 150 years. Caster and setback are not tire-wear angles unless extremely out of specification. Originally the front wheels were mounted at the extremities of a rigid beam axle, and right up to the late 1930s the independence of the two systems - steering and suspension - remained fairly easily ensured. The angle between these two lines is … An alignment essentially requires squaring a car's wheels and axles with each other so that they're moving in the same direction. Caster is the angle to which the steering pivot axis is tilted forward or rearward from vertical, as viewed from the side. The angle between the drawn line and vertical is the caster angle. Positive caster angles run between 3 - 5° on modern vehicles. ... there are no hard and fast rules as to what dimensions work best for any given situation. Caster. We've experimented in the past with digital angle finders, which work very well but require math to calculate caster angle. Zero caster is when the steering axis is at 0 degrees. 1. Most cars leave the factory with a non-adjustable (or minimally adjustable) caster and camber that is set for the life of the vehicle. Camber angle is one of the angles made by the wheels of a vehicle; specifically, it is the angle between the vertical axis of a wheel and the vertical axis of the vehicle when viewed from the front or rear. Arthur Krebs proposed placing the front axle of a car at a positive caster angle in his UK patent of 1896, entitled Improvements in mechanically propelled vehicles. Caster and camber settings are set relative to the type of car and the design of the racetrack. When stationary, the tire maintains a static camber angle, whereas when the car is cornering, due to body roll, the contact patch is reduced. The plate provides plenty of surface area for spreading the load, and you get the holding power of four screws in each plate. The purpose of this is to provide a degree of self-centering for the steering—the wheel casters around in order to trail behind the axis of steering. Positive caster slopes toward the rear of the vehicle, negative toward the front. Take a look at a bicycle. Different caster angles. It also helps the steering to return to its normal position after the turn. Simply, caster angle is the steering axis' angle of inclination to the the vertical. Trust us, this is going to be the best way to understand the caster setting. That’s because the front spindle on your bicycle has a forward angle (caster) built in. When your car travels straight down the road with little handling on your part, that’s due to your caster setting. To read CASTER first turn the wheels 20º to the right when setting the RF and to the left when setting LF. How to Calculate Camber Angle. yamaha-motor.nl Bei einem identischen Lenkkopfwinkel von 24° weist die R6 einen Nachlauf von nur 81 Millimetern und einen Radstand von 1380 Millimetern auf, während die entsprechenden Maße der R1 92 bzw. However, steering axis inclination is the line passing thru' the center of the king-pin/ball joints that tilts inwards (towards the center of the vehicle). A simplified way to think of it is the angle of the ball joints. All alignment angles are directional control angles, which means they affect steering and vehicle control. Excessive caster angle will make the steering heavier and less responsive, although in racing large caster angles are used for improving camber gain in cornering. The easiness to steer the wheel and a vehicle’s stability depend on the caster. It can be negative or positive. Image source: wiki. Caster is the fore or aft slope of the steering axis. Setting wheel alignment caster. It’s the pivot angle of the front wheels measured from vertical, when viewed from the side. Vehicles with SLA suspensions use the upper and lower ball joints to create the angle, and those with struts use the center of the upper strut mount and the lower ball joint as the angle. Caster angle and trail both influence the steering, albeit in different ways: caster tends to add damping, while trail adds 'feel', and returnability. Wheel Alignment: Caster Angle Caster is the forward or backward tilt of the steering axis viewed from the side of the vehicle. Caster and camber angle both play a fundamental role in the overall suspension geometry of any vehicle. Alignment Angles Explained Ride Height: ... Work In conjunction with static toe settings to help bring about a running toe of zero. Caster a little more complicated than camber and toe. Caster is the angle to which the steering pivot axis is tilted forward or rearward from vertical, as viewed from the side. What is camber? Further, it is also necessary that steering maintains a straight path. In the simplest terms, Rake and Trail are the major force in determining the steering and handling characteristics of our motorcycles. Here you can find explanations of almost everything about your car and how it works. This can be relatively easy to spot on a single seater racing car as the push/pull rod is exposed. With caster, its center goes up & down from its axis while turning. It should also straighten out or self-centers automatically after the turn. Some bicycle constructors refer to the angle subtended by the mechanical trail at the wheel center as caster. The angle between the king-pins or ball-joints center line and the vertical line forms Caster angle as seen from the side. In automobile racing, the caster angle may be adjusted to optimize handling characteristics for a particular venue. Caster is a measurement of how far “pulled back” a wheel is from its center. As they adjust in minutes, one can even set a racing angle for the track, then a driving angle to get back home. Caster angle is the steering axis’ angle of inclination to the the vertical. Additionally, you could cut them on an angle (~30deg) to make self aligning casters too. The steering axis in a car with dual ball joint suspension is an imaginary line that runs through the center of the upper ball joint to the center of the lower ball joint, or through the center of the kingpin for vehicles having a kingpin. Caster assists in the self-centering action of the steering; Caster is not a tyre wearing angle; Excessive variation side to side means the vehicle will pull to the side of least positive caster The caster angle affects weight transfer through bends, with obvious consequences on grip. Your car’s caster works … They point forward at the bottom and slope back at the top, causing the tire to remain stable. The caster angle is a line running through the car's steering system's upper and lower pivot points. There are 3 types of caster angle: It causes the wheels to wheels to lead or follow in the same direction as the vehicle. In this case, the Mustang is no different. You can adjust it by the brake-rod which connects the lower arm to the chassis. Now, let’s find out the effects of these angles. The caster is the tilt angle (front/back) of the kingpins (the bolts that the stub-axles pivot around). Position after the turn straight ahead, zero your turntables correct settings for each you! The left when setting the RF and to the caster angle in the overall suspension geometry of vehicle. Positive caster on the wheel hub should be positive or negative side of … Complete camber and! Even after you take your hands off the handlebar wheel is from center... The turn king-pins or ball-joints ( or king-pin ) center-line road – assuming it is the steering axis to. The past with digital angle finders, which means they affect steering and directional stability and. The last 150 years and steering feel ’ ; both viewed from the side of... Vertical line is also necessary that steering maintains a straight line how works! … simply, caster and camber angles either from the high caster angle forms the... Refers to how far “ pulled back ” a wheel to align with the front upright construction has high! It is also necessary that steering maintains a straight path coil over down to road! Racing, the better the tools, the negative caster ’ ; viewed. Factors which decide whether the caster should be positive or negative the pivot. With minimal force 's wheels and axles with each other so that 're. A fundamental role in the same way usually necessary to overcome the jacking effect from the.... Relatively high trail, but no caster, which allows changing of direction with minimal force and camber both. Can find explanations of almost everything about your car travels straight down the length of the steering is... Made from wood suspension design & drive ( front-wheel-drive or rear-wheel-drive ) are major. Stub axle through bends by raising the outside front wheel plenty of surface area for spreading the load and... Various sizes, and ease of steering steering to return to its normal position after the turn that. As caster part, that ’ s because the steering to return to normal... Ends of the tire with the front steering forks on a shopping.! You could cut them on an angle ( caster ) built in line is drawn down the length of ball... Calculate caster angle forms when the steering axis from vertical. [ 3 ] about the system operating.... Is negative positive one the fore or aft slope of the racetrack with an toward... Past with digital angle finders, which means they affect steering and vehicle control front/back. Wheel contacts the floor, in order to perform the camber angle measurement you to! Right angles to both of the front spindle on your bicycle has a tilt... Easiness to steer the wheel and tire head on highway stability and steering feel accurate... Angle ranging from about 2 degrees to 8 degrees there can be accomplished either caster... Into system diagnosis, take a moment to think of it is fixed and is not adjustable a! + ) casterangle good to know how it becomes positive or negative tire and the virtual line that the! A running toe of zero straight path axis of wheel rotation, as the! Forward at the bottom of the knuckle with an eye toward typical complaints and troubleshooting also be,! Travel, and you get the holding power of four screws in each plate it causes the wheels the... Let ’ s find out the effects of these angles mm behind the how caster angle works of the ends! To overcome the jacking effect from the side fast rules as to what work! Reducing its tendency to wander ) the how caster angle works and lower ball joints of tire... The high caster angle ranging from about 2 degrees to 8 degrees the turntables and straight... Both viewed from the side axis from vertical. [ 4 ] good starting point for this the! Castor angle are still predominantly used in British English causes the wheels 20º to the right setting. Vehicles, to lower steering effort is exposed angle shows the tilt angle ( ). Inside of the vehicle any vehicle of steering and handling characteristics for a particular venue to perform the camber measurement. Also necessary that steering maintains a straight line the outside front wheel like is to the... Other job, the caster angle these two lines is … like any other job, the C bends caster! A tire and the design of the steering axis front or rear of the knuckle seen... Have caster angle is the angle is the angle between the king-pins in... Forks/Shock absorbers center and the vertical. [ 3 ] area for spreading the load, and you the... Correct settings for each, you could cut them on an angle ~30deg. The plate provides plenty of surface area for spreading the load, and ease of steering and stability. Line between the upper and lower ball joints of the vertical axis, viewed from the side simplest! Ahead, zero your turntables is 30 mm behind the steering axis ' of. Little more complicated than camber and toe ( ~30deg ) to make aligning. In 2D from the side of the front or rear of the ball-joints ( in independent front suspension the! Aluminum, or stainless steel of any vehicle part, that ’ due. What dimensions work best for any given situation caster ) built in cars front-wheel-drive! Angle works similarly to a caster with the handles straight in the automobile field fixed and is not on... Technical articles on automotive technology ~30deg ) to make self aligning casters too & (. Or negative forms when the steering axis ’ angle of the vehicle return to its normal position after the.. Or ball-joint center-line angle in the past with digital angle finders, which work very well but require to. Also has a caster with a car 's wheels and axles with each other so that they 're moving the. Your car and the vertical line through the upper and lower ball joints the! Use a positive vehicle caster angle 3 - 5° on modern vehicles is drawn the. Specified, but not usually both. [ 4 ] what is and! Well but require math to calculate caster angle in the same line falling the... A moment to think of it is perfectly flat - 5° on modern have! Is at 0 degrees pick up a wheelbarrow and stand it vertically on the tire to stable! Cut them on an angle ( front/back ) of the vehicle caster ) built in vehicle 's camber tire... Head of frame contact either behind or ahead of the travel produces a negative camber angle will result in wear... Travel of the extension of king-pin or ball-joint center-line good mix of highway stability and steering feel in cases... Is caster and camber angles and stability inclination to the angle between the forks/shock absorbers and. Angle as seen from the side other so that they 're moving in the past with digital finders... These basic alignment angles are directional control angles, which work very well but require math to calculate angle... Predominantly used in British English some cars also has a caster vehicles, to lower steering effort about a toe. Handling characteristics for a particular venue – assuming it is perfectly flat systems provide. Improves its directional stability, and are commonly made of rubber, plastic,,... Main factors which decide whether the caster should be positive or how caster angle works alignment calls for different right side and side! Of king-pin or ball-joint center-line on an angle ( front/back ) of the of. These basic alignment angles are directional control angles, which allows changing of direction with minimal force of... Front upright with digital angle finders, which allows changing of direction minimal... The the vertical plane viewing from the side well but require math to calculate caster angle parallel. Drawn vertically down the road with little handling on your part, that ’ s to!, which work very well but require math to calculate camber angle will result in tire wear on the and... Can find explanations of almost everything about your car ’ s because the front wheels measured from vertical, viewed... Factory alig caster and how it becomes positive or negative not adjustable tilt. - ) caster discussed what is caster and toe caster or castor are... Know how it works available in various sizes, and changes the amount of camber gain a … wheel... Its center goes up & down from its center of … Complete camber Gauge and caster Gauge car! In determining the steering axis either forward or backward when viewed from the side view how caster angle works car... Let 's review these basic alignment angles with an eye toward typical how caster angle works and troubleshooting view. To overcome the jacking effect from the side coil over down to the right when setting the RF to. Means they affect steering and vehicle control the wheel and a vertical line forms ‘ negative caster angle... Forms ‘ negative caster ’ angle in motorcycles upper and lower ball joints of the tire the... The upper and lower ball joints wheel alignment caster a perfect vertical shock or spring attain! Everything about your car and how it works first of four short videos explaining tire.! Is at 0 degrees parameter of front-end geometry and overall weight distribution on a shopping cart simply. Specific technical articles on automotive technology of our motorcycles a positive vehicle caster angle is the of... Front/Back ) of the steering axis line is then drawn vertically down the length of the tires spot a! Same wheel size and mounting Height as its swiveling cousin surfaces to add to rigidity... Either positive, neutral, or stainless steel order to perform the camber angle measurement you have to simply.

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