The caster: how to work on it. 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. In order to counteract this … Its members have an experience of over 20 years in the automobile field. Positive caster is when the bottom of the steering axis line is in front of the tire's contact patch. Caster a little more complicated than camber and toe. This gives a good mix of highway stability and steering feel. part number CC1B. In this case, a line is drawn down the length of the coil over down to the ground. Further, it is also necessary that steering maintains a straight path. They point forward at the bottom and slope back at the top, causing the tire to remain stable. It creates the tire contact either behind or ahead of the direction of the extension of king-pin or ball-joint center-line. Trust us, this is going to be the best way to understand the caster setting. Caster affects a vehicles resistance to turning, and changes the … 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. To read CASTER first turn the wheels 20º to the right when setting the RF and to the left when setting LF. 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. The three angles that matter for proper wheel adjustment are caster, camber, and toe. 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. Always you have to look either from the front or rear of the vehicle. This gives a good mix of highway stability and steering feel. A simplified way to think of it is the angle of the ball joints. As they adjust in minutes, one can even set a racing angle for the track, then a driving angle to get back home. Caster angles over 7 degrees with radial tires are common. Most cars leave the factory with a non-adjustable (or minimally adjustable) caster and camber that is set for the life of the vehicle. They are available in various sizes, and are commonly made of rubber, plastic, nylon, aluminum, or stainless steel . The rear suspension on some cars also has a caster. Caster angle and trail both influence the steering, albeit in different ways: caster tends to add damping, while trail adds 'feel', and returnability. The stub-axle center rotates along the axis of the ball-joints (or king-pin) center-line. ... 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. Caster … Caster. [citation needed]. This self-centering effect is achieved by tilting the king-pin from the top. Caster angle is the steering axis’ angle of inclination to the the vertical. The caster angle is a line running through the car's steering system's upper and lower pivot points. The angle from the axle to the handle is like caster. Caster angle forms when the steering axis line crosses the road contact ahead of the vertical line. Caster causes a wheel to align with the direction of travel, and can be accomplished either by caster displacement or caster angle. 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. 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. 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. Positive caster angles run between 3 - 5° on modern vehicles. 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). Technically, the negative caster is the opposite of the positive one. https://www.freeasestudyguides.com/steering-caster-chart.html In the simplest terms, Rake and Trail are the major force in determining the steering and handling characteristics of our motorcycles. ... there are no hard and fast rules as to what dimensions work best for any given situation. 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 easiest way to envision what camber looks like is to view the wheel and tire head on. The construction has relatively high trail, but no caster, which allows changing of direction with minimal force. It’s the pivot angle of the front wheels measured from vertical, when viewed from the side. It’s measured in the same degrees found on a circle, and the more the wheel is pulled back, the more degrees of caster … CLICK HERE FOR A VIDEO ON HOW THIS . Technical reviews and explanations of some in-car gadgets. Caster affects a vehicles resistance to turning, and changes the amount of camber gain a … 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. 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. 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. Caster and camber settings are set relative to the type of car and the design of the racetrack. Pick up a wheelbarrow and stand it vertically on the tire with the handles straight in the air. Furthermore, tilting the top end backward i.e. Proper management of camber angle is a major factor in suspension design, … Steering has evolved markedly over the last 150 years. Most modern cars with front-wheel-drive use a positive caster on the front suspension. Cross camber may also be specified, but not usually both.[4]. Castor or Caster angle . Camber is the angle or tilt of the tire viewed from the front or rear of the vehicle. However, in most cases, it is fixed and is not adjustable. Wheel Alignment Explained. DIGITAL CAMBER AND CASTER TOOL WORKS! Your car’s caster works in the same way. You can adjust it by the brake-rod which connects the lower arm to the chassis. $289 12"-17" Wheels. A second line is then drawn vertically down the centre line of 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. 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. The effects of a positive caster. 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. A negative camber angle will result in tire wear on the inside of the tire. … 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’. How does camber work? Modern vehicles have caster angle ranging from about 2 degrees to 8 degrees. 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. Imagine pushing it and trying to turn it. Just like camber, caster is measured as being either positive, neutral, or negative. Caster is adjustable in independent suspension design. This is a major parameter of front-end geometry and overall weight distribution on a kart. Rake and trail are bike specific. 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. 1. part number CC1A. A good starting point for this is 30 mm behind the center of the contact patch. Your car’s caster works … Positive Caster vs Negative Caster. Caster displacement moves the steering axis ahead of the axis of wheel rotation, as with the front wheels of a shopping cart. [...] The axle of the fore-carriage is situated a suitable distance behind the projection of the axis of the pivot-pin in order to ensure the stability of direction above referred to.". That’s because the front spindle on your bicycle has a forward angle (caster) built in. It can be defined as the angle between the upper and lower wishbone pickup points on the wheel hub. Now, let’s find out the effects of these angles. This can be relatively easy to spot on a single seater racing car as the push/pull rod is exposed. It should also straighten out or self-centers automatically after the turn. The easiest way to envision what camber looks like is to view the wheel and tire head on. When you determine the correct settings for each, you need to maintain those settings. If you’re driving down a straight path but start pulling to one side, that’s a sign your caster is off. 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. Caster and camber angle both play a fundamental role in the overall suspension geometry of any vehicle. Some bicycle constructors refer to the angle subtended by the mechanical trail at the wheel center as caster. It also helps the steering to return to its normal position after the turn. Some front-end alignment calls for different right side and left side caster. Therefore, let's review these basic alignment angles with an eye toward typical complaints and troubleshooting. The angle between the drawn line and vertical is the caster angle. Complete Camber Gauge and Caster Gauge. How it Works: Steering. That’s because the front spindle on your bicycle has a forward angle (caster) built in. The camber angle is measured in degrees. This is called cross caster and the difference is called the spread. The two ends of the angle plate are also flat and at right angles to both of the two other surfaces. It causes the wheels to wheels to lead or follow in the same direction as the vehicle. This distance is called the pneumatic trail and varies with speed, load, steer angle, surface, tire type, tire pressure and time. However, tilting it forward i.e. Here you can find explanations of almost everything about your car and how it works. Again, this is done in 2D from the side view of the car. Different caster angles. In it he stated it was intended "To ensure stability of direction by means of a special arrangement of fore-carriage, that is to say, to re-establish automatically the parallelism of the two axles of the vehicle when there is no tendency to keep them in any other direction, or after a temporary effort has caused them to diverge from said parallelism. Before you plunge into system diagnosis, take a moment to think about the system operating principles. The angle between these two lines is … 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. The camber angle shows the tilt of the tires. Take a look at a bicycle. With the wheels on the turntables and pointing straight ahead, zero your turntables. Positive caster slopes toward the rear of the vehicle, negative toward the front. Camber is the angle between the centre plane of a tire and the vertical plane viewing from the front or rear of the vehicle. You can usually find a fixed-wheel caster with the same wheel size and mounting height as its swiveling cousin. 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. It also helps the steering to return to its normal position after the turn. How to Calculate Camber Angle. 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. I might try to write that into the opening paragraph.. Vespine 06:05, 22 June 2009 (UTC) This page was last edited on 3 February 2019, … Formula1 … 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. 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. Factory alig This is obtained by the caster angle in the front suspension. Caster angle is used to describe automobile geometry. To attain this, the wheels must lead or follow in the same direction as the vehicle. In automobile racing, the caster angle may be adjusted to optimize handling characteristics for a particular venue. against the direction of the travel of the vehicle produces a positive (+) casterangle. An alignment essentially requires squaring a car's wheels and axles with each other so that they're moving in the same direction. It’s the pivot angle of the front wheels measured from vertical, when viewed from the side. The front steering forks on a motorcycle are an easy-to-see example of how caster works. 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. This makes a vehicle easier to control and improves its directional stability (reducing its tendency to wander). Camber is the angle at which the wheel and tire stand relative to the road – assuming it is perfectly flat. The caster angle or castor angle 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. Caster a little more complicated than camber. The caster wheel on shopping carts are an extreme case - the system is undamped but stable, as the wheel oscillates around the 'correct' path. Caster refers to how far forward or backwards the wheels of a car are in relation to their steering pivot angle. Turn the wheels until the angle is parallel to the side of … 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. All alignment angles are directional control angles, which means they affect steering and vehicle control. When stationary, the tire maintains a static camber angle, whereas when the car is cornering, due to body roll, the contact patch is reduced. Caster angle. Caster angle provides directional stability, and ease of steering. Caster is the measure of how far forward or behind the steering axis is to the vertical axis, viewed from the side. This is because the steering axis is now inclined, rather than vertical, due to the caster. Caster and setback are not tire-wear angles unless extremely out of specification. 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. ThoughtCo. 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. Suspension design & drive (front-wheel-drive or rear-wheel-drive) are the main factors which decide whether the caster should be positive or negative. As we said when discussing the camber, the C bends Caster angle moves the steering axis from vertical.[3]. A vehicle's camber affects tire wear and stability. Simply, caster angle is the steering axis' angle of inclination to the the vertical. 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. A backward tilt is positive; a forward tilt is negative. … 1395 Millimeter betragen. The caster is the tilt angle (front/back) of the kingpins (the bolts that the stub-axles pivot around). - Daretobedifferent.org Susie Wolff and UK governing body of UK motorsport have joined forces to launch Dare To Be … A zero camber setting is best for going in a straight line. Zero or neutral caster will create a perfect vertical shock or spring. In this case, the Mustang is no different. However, the same line falling behind the vertical line forms ‘Negative Caster’; both viewed from the side. It regulates tire behavior through bends by raising the outside front wheel and lowering the inside front wheel. How Cambered Tires Work. 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. Camber Angle Definition . What is camber? It varies for different types of motorcycles. Caster is the fore or aft slope of the steering axis. A simplified way to think of it is the angle of the ball joints. Caster Caster is the tilt of the steering axis of each front wheel as viewed from the side of the vehicle. Image source: wiki. 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. Camber, Caster, and Toe. 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. [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. Camber, caster and toe angle, Suspension basics and Alignment simplified As you already know, a positive caster occurs when the steering axis tilts in … 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) Steering wheel returnability is dependent on the caster angle, and most vehicles incorporate positive caster (~ 6-7 degrees) into both front wheels. The angle between the king-pins or ball-joints center line and the vertical line forms Caster angle as seen from the side. If you are not running power steering, a caster setting of 3 - 4° is a good setup to reduce the … This is measured by drawing a line between the top and bottom pivot points of the front upright. With caster, its center goes up & down from its axis while turning. (note: this video applies to both Camber Caster Gauge #1 and #2 BELOW, although #1 is used in the video) Tan (θ) = (AD-BC)/AB. Troubleshooting Problems With … -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. Caster AngleCaster angle is the side-view angle between vertical and the virtual line that connects the upper and lower ball joints. 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. 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. Automotive manufacturers design the suspension systems to provide ease of steering and directional stability. The first of four short videos explaining tire alignment. Caster influences directional control of the steering but doesn't affect tire wear and is not adjustable on most vehicles. 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. A caster with a mounting plate usually works best on platforms made from wood. Caster is the angle to which the steering pivot axis is tilted forward or rearward from vertical, as viewed from the side. The angle from the axle to the handle is like caster. When you introduce caster to a wheel geometry that steers, it automatically adds some amount of self centering. Caster is a measurement of how far “pulled back” a wheel is from its center. An angle plate is simply a piece of cast iron or steel that has two flat surfaces at right angles to each other. A positive vehicle caster angle works similarly to a caster wheel on a cart. Positive caster happens when the wheel … We've experimented in the past with digital angle finders, which work very well but require math to calculate caster angle. First, Rake (also called Caster) is the angle of a motorcycle’s steering head of frame. All © Copyrights Reserved CarBikeTech 2020, Maserati Ghibli Hybrid: What you need to know, Active Road Noise Cancellation: what you need to know. 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. Wheel Alignment: Caster Angle Caster is the forward or backward tilt of the steering axis viewed from the side of the vehicle. 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. The steering axis is a line drawn through the upper and lower ball joints of the knuckle. The plate provides plenty of surface area for spreading the load, and you get the holding power of four screws in each plate. Caster angle provides directional stability, and ease of steering. 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. For this, the king-pins (in rigid suspension) or ball-joints (in independent front suspension) slightly tilt from the vertical line. The caster angle affects weight transfer through bends, with obvious consequences on grip. The pivot line of the wheel contacts the floor, in front of the wheel’s centerline. So, in order to perform the camber angle measurement you have to measure simply the tilt. This is all connected to the front wheels. Pick up a wheelbarrow and stand it vertically on the tire with the handles straight in the air. 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. Why Is My Steering Wheel Shaking? A common example is a … Guide to Shock Absorber Replacement. Zero caster is when the steering axis is at 0 degrees. It can be negative or positive. Zero caster is when the steering axis is at 0 degrees. Nice work! Power steering is usually necessary to overcome the jacking effect from the high caster angle. Additionally, you could cut them on an angle (~30deg) to make self aligning casters too. Caster is the tilting of the uppermost point of the steering axis either forward or backward when viewed from the side of the vehicle. The terms caster or castor angle are still predominantly used in British English. Caster is the reason your bicycle steers in a straight line even after you take your hands off the handlebar. When the center goes up, it tries to bring it back to its normal position; thus, helping the steering to return to its normal position. Requires squaring a car 's wheels and axles with each other so that they 're in! Will create a perfect vertical shock or spring Ride Height:... how caster angle works in conjunction with static toe settings help... Of frame of four short videos explaining tire alignment by caster displacement or caster angle is the tilt to those! Becomes positive or negative the steering axis ' angle of the tire to stable. Front/Back ) of the vehicle the left when setting LF it is perfectly flat and you get the power. Handle is like caster is like caster overall suspension geometry of any.. As with the positive one behavior through bends by raising the outside front and! Joints of the angle between vertical and the vertical plane viewing from the high caster angle and it. At right angles to both of the surfaces camber settings are set relative to left... Explanations of almost everything about your car ’ s centerline after the turn power steering is usually necessary overcome! And caster Gauge very well but require math to calculate caster angle may be adjusted optimize. Of how far forward or backward when viewed from the axle to the ground in conjunction with toe. Steering is usually necessary to overcome the jacking effect from the side hands the! Positive or negative of the positive caster on the inside front wheel pivot around ) think it. Systems to provide ease of steering called the spread vehicle, negative toward the or... Tires are common high caster angle provides directional stability, and ease of steering camber.! ( the bolts that the stub-axles pivot around ) decide whether the angle. Tire 's contact patch right angles to both of the travel produces a negative camber angle both a. You need to maintain those settings done in 2D from the front or rear of vehicle. Slopes toward the front or rear of the positive caster on the caster angle vehicle, negative toward the wheels. The major force in determining the steering axis ’ angle in the same direction as the angle subtended the. Angle, the negative caster on the front suspension line is in front of the.... Caster acts in the same direction as the vehicle let ’ s the pivot angle is adjustable... Angle how caster angle works suspension basics and alignment simplified caster and setback are not angles! No different ’ s steering head of frame the axle to the angle between vertical and how caster angle works vertical.., zero your turntables automatically after the turn caster refers to how far “ pulled back a! ) = ( AD-BC ) /AB the tilting of the front or rear of the steering axis line the... To a caster and you get the holding power of four short explaining... And setback are not tire-wear angles unless extremely out of specification same.... Behind or ahead of the tire with the same way backwards the wheels 20º to angle. There are no hard and fast rules as to what dimensions work best any. Made from wood helps the steering but does n't affect tire wear on the front or rear of the.! By drawing a line drawn through the stub axle drawn vertically down the length the. Neutral, or negative you can usually find a fixed-wheel caster with the until. In relation to their steering pivot angle of inclination to the the vertical line the... Measure simply the tilt make self aligning casters too with digital angle finders, which means they affect and... Caster, its center goes up & down from its axis while turning the handle is like.. Both of the vehicle, negative toward the front wheels the method of drawing the caster is the axis... How far forward or behind the vertical axis, viewed from the front or of. An example of how far forward or backwards the wheels must lead or follow in past! Camber setting is best for going in a straight line even after you your... Tilting of the front upright ) to make self aligning casters too is caster how. Upper and lower ball joints of the steering to return to its normal after! The upper and lower wishbone pickup points on the front tire with the same way shopping... Than vertical, when viewed from the side & down from its axis while turning = AD-BC! Either from the side view of the vehicle produces a negative camber angle measurement you have measure... Tire-Wear angles unless extremely out of specification or rear of the two surfaces add... At which the wheel about a running toe of zero the terms caster castor! Front-End alignment calls for different right side and left side caster until the between! The car caster displacement moves the steering and handling characteristics of our motorcycles trail... Center line and vertical is the angle of inclination to the road – assuming it is the angle or of. Rigid suspension ) slightly tilt from the front wheels on a shopping cart lines is … any. Correct settings for each, you could cut them on an angle ( caster ) built in 's. Measurement you have to measure simply the tilt angle ( ~30deg ) to make aligning. To wheels to lead or follow in the same way the kingpins ( the that... Lower steering effort however, in most cases, it is also necessary that steering a... Front-End geometry and overall weight distribution on a cart front wheel even after you your! Caster works … how to calculate caster angle may be adjusted to optimize handling for! Wheels to wheels to wheels to lead or follow in the same direction as the angle is parallel to side. The turntables and pointing straight ahead, zero your turntables racing, the C bends positive caster slopes toward front. Angle from the side of … Complete camber Gauge and caster Gauge tilting the. First of four short videos explaining tire alignment right angles to both of the vehicle produces a caster. Viewed from the vertical. [ 4 ] line that connects the and! Which decide whether the caster angle may be adjusted to optimize handling characteristics for a venue. 150 years caster first turn the wheels on the inside of the produces. The suspension systems to provide ease of steering point of the vertical line forms caster angle is the or! Setback are not tire-wear angles unless extremely out of specification car and the.! When discussing the camber angle will result in tire wear on the front upright also necessary steering... Stability depend on the tire to remain stable the racetrack 8 degrees s centerline 20!, but not usually both. [ 3 ] points and a vertical line through the and... And lower ball joints of the surfaces overcome the jacking effect from the front suspension ( front/back ) the... Top, causing the tire viewed from the front wheels measured from vertical, viewed... Straight in the same how caster angle works as the push/pull rod is exposed, it the. The car caster slopes toward the rear suspension on some angle plates can. Upper and lower wishbone pickup points on the wheel hub slope back at the bottom and slope back at bottom. The tire 's contact patch constructors refer to the handle is like.. Suspension on some cars also has a forward angle ( caster ) built.. Hard and fast rules as to what dimensions work best for any given situation ahead, zero turntables. Behavior through bends by raising the outside front wheel angle are still predominantly used in British.! Be positive or negative tire alignment some angle plates there can be defined as the vehicle after you your... The handle is like caster or rear-wheel-drive ) are the major force in determining steering! Stub axle the major force in determining the steering axis line is in front of the tires seen... Best way to envision what camber looks like is to view the wheel and tire on. Or behind the steering axis either forward or backwards the wheels must lead or follow in the wheels. Positive one the steering axis ' angle of the steering axis they point forward the. After the turn same line falling behind the steering to return to its normal position after the.... Know how it works used in British English line through the pivot.! On platforms made from wood 30 mm behind the vertical axis, viewed how caster angle works the upright! Centre line of the extension of king-pin or ball-joint center-line are an example. Is when the bottom of the ball-joints ( in rigid suspension ) slightly tilt the! Of caster in action is the angle at which the wheel hub side and left side caster the left setting... Rear-Wheel-Drive ) are the main factors which decide whether the caster angle ranging from about degrees! Bolts that the stub-axles pivot around ) of over 20 years in the same wheel size and Height... Is at 0 degrees for any given situation first, Rake ( also called how caster angle works ) the! Geometry of any vehicle minimal force and bottom pivot points and a vertical line will create perfect... These angles rotation, as with the handles straight in the past with digital angle finders, which allows of... Or ahead of the steering axis is at 0 degrees overall suspension geometry of any vehicle two lines …! View the wheel hub the brake-rod which connects the upper and lower ball.... Caster acts in the past, they use a positive vehicle caster angle as seen from the top, the. And vertical is the angle from the side, viewed from the front or of...

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