Rotating noise while driving 

This will make you much more alert for the drive home. Jan 12, 2010 · 2002 escalade awd. 4 L engines that cause sudden and catastrophic engine failure. High-Pitched Squeal. I was driving home recently and heard a flapping type noise on the drivers side and thought something was stuck in my undercarriage or even in my tire and the wind was causing it to flap. Wheel bearings are what allow your tires to spin freely and smoothly while the vehicle is in motion. If your engine is making a rattling noise, the first thing to suspect is low engine oil. I took both front wheels off and run the engine with the car in 5th gear spinning both front rotors. Jan 05, 2015 · Wheel Bearing Noise Diagnostics. Full size image. Oct 27, 2014 · A: A differential converts the rotation of the driveshaft (longitudinal) to the two axles driving the wheels (lateral or crosswise). I hear a thumping type noise from under vehicle at slow speed 1st or 2nd gear when coasting say 8-15 mph( approaching stop, or coasting through shopping center) almost sounds like when driving over small bump reflectors in the road but I’m not. Driving Surfaces. Modern engineering has made driving a car easier on the ears than ever. Power Steering System: A screeching or whining noise while turning at normal speeds could mean an issue resides within the power steering system itself. Many 4-wheel-drive owners have reported hearing a loud “clicking” noise when in 4WD mode. Some sounds indicate that they’ve worn out, while others hint at damage that’s been done over time. Can it be the CV joints, front differential, transmission? The same noise starts & stops at about 25 mph and increases somewhat as the rpm's go Mar 23, 2020 · Here is a more detailed list of the most common causes why your car is shaking or vibrating: Contents show. If your gears are newly installed and still create a howling noise, double-check its preload and make sure that the teeth are properly aligned. Jan 22, 2014 · If rear differential noise occurs while accelerating the car only at a certain speed, it is likely because the gears have become worn due to overloading and lubrication failure. Grinding. devices and turbo machines, while 20 % are accounted for by manual working and conveying operations. Driving me crazy until I came across this. The truck is a 2005 RAM 1500 4x4. June 2016 edited June 2016. Also Read: 21 Must Have DIY Car Repair Tools. The classic symptom of a bad wheel bearing is typically a cyclic chirping, squealing or growling noise that changes in proportion to vehicle speed. So rotating your tires every 5,000 to 7,000 miles is critical to spreading the wear evenly and minimizing differential operation. Rotating your tires will improv Sep 20, 2021 · Once you have your car’s tires rotated and balanced, less weight will be placed on each tire which is helpful in reducing vibrations inside the cabin area of your vehicle while driving at high speeds. A compact electric motor with an output of up to 7 kW accelerates the compressor wheel of the EPC to up to Power Steering System: A screeching or whining noise while turning at normal speeds could mean an issue resides within the power steering system itself. Note that the question specifically states the noise is independent of engine speed - as long as the vehicle speed is above a certain point, the sound remains present and its pitch and volume are not affected when the engine speed changes independent of vehicle speed (e. It may be a loose pipe or the blades failing within the turbo. Oct 18, 2021 · Determine If the Noise Really Comes From Your Hard Drive. this was about the time I noticed the Drag-Link end was shot. 01, while the red line is for \xi =0. Popping/Droning Noises. Additionally, manufacturers strive to design a pleasant product sound that reflects a company’s brand image. Eaglcter Magnetic Car Phone Mount Universal 360 Degree Rotation Adjustable Noise-Free Car Phone Holder for Dashboard Compatible with iPhone, Samsung, Nokia, LG & All Smartphones(3 Pack) 4. It doesn't stop or start due to the brakes Apr 19, 2010 · The rotating metal noise is terrible! Please help* while driving you should be able to confirm if it's a wheel bearing by giving the steering wheel a few little There are a number of ways you can reduce the noise level in your car without emptying your wallet, although you won’t be able to eliminate all of the unwanted noise. The noise goes away when the transmission is in gear. No need for a ratchet like ground state rotation potential energy of the rotor. The noise depends on the affected tire and or wheel bearing. Jan 17, 2020 · Most people describe a bad wheel bearing as making a growling or rumbling noise (the sound is often mistaken for worn tires). The sound will also increase with vehicle Oct 11, 2018 · Ok, so this noise started yesterday. Various factors can lead to annoying tire noise when driving. First I would check your brakes. The best practice is to rotate your tires every 8,000-10,000 kilometers (to maximize tire life, provide the best traction and handling) or every other oil change. While sounding similar to meal Tire rotation helps maintain traction, promotes tread wear, and preserves balanced handling. Mar 28, 2016 · Disable spark to the suspected cylinder, listen for the noise to quiet down some and know for sure that you’ve got a bottom end to take apart. Can it be the CV joints, front differential, transmission? The same noise starts & stops at about 25 mph and increases somewhat as the rpm's go Tire balancing isn’t needed when rotating the tires but if there is a noise get your tires checked out. Due to our modern 24-hour society, nearly 15 million people in the United States work full-time night shifts, evening shifts, rotational shifts, or other such irregular schedules. Improperly maintained bearings or shafts, weak supporting structures and other rotating or sliding parts in the total system may also be a source for noise. In some cases, it may sound similar to the usual sounds coming from under your hood, only louder. in Toyota. Maybe obvious, but worn brakes will make noise a low speeds. Aug 14, 2020 · Note: Temperature has a dramatic effect on tire pressure. Oct 06, 2020 · Due to how fast your car’s tires rotate on a daily basis while driving, combined with the heavier weight of your car or truck, brake pads undergo a significant amount of stress. Many drowsy-driving crashes occur at this time. It could also mean that your vehicle has a transmission issue. Tires are fairly new and I thought it might be tire related, but I don't believe so. If your vehicle clunks while driving over bumps or pot holes something is definitely out of order. When it happens only during deceleration, it may be a disconnected pinion-bearing. Jan 04, 2011 · 3,581 Posts. Still, even that would allow you to give your ears a rest and stay sharp while you’re driving. Nov 07, 2021 · 2. At slow speeds this noise sounds a bit like your car is driving over bubble wrap, at faster speeds it sounds like a low drone. Nov 19, 2017 · The more worn tires are now on the back. air being compressed inside the grooves of the tread- the larger the tread, the more air volume, the noisier the tire. This video show the job being done on a similar car with diagrams Aug 07, 2018 · Reasons Why Your Car is Making Tire Noise After Rotation. The problem happens when the brakes are worn down to the backing plates (or wear indicators), allowing for constant contact with the drum or rotor. For the past few months, I have heard a noise when I am backing up in reverse. Drive at Slower Speeds As far as that rotating noise coming from rear left tire is that while just driving or while braking?If its just while driving then I would inspect the tire for being cupped or tire seperation. Namely, it can only stifle continuous, low frequencies such as road vibrations, air noise, and engine sounds. Sep 16, 2019 · Dodge Ram Bad Wheel Bearing Diagnosis. It could also be the sound of the rear axle bearings failing or even the bearings on the ring and pinion gears inside the differential. Squealing or Scraping From Behind the Wheels. Apr 23, 2021 · Built-in Mic to make hands-free calls while driving; Dual-connection for connecting 2 Bluetooth devices at a single time; 2 ports USB output (1A output for the receiver and 2. We will list below some of the possible reasons for noise and vibration after your tire rotation. Timing chains, a metal linkage that syncs the rotation of the engine. 5GT. Discussion Starter · #1 · Jul 21, 2017. Joined Apr 17, 2016. The noise will get progressively louder when you steer the car in either direction or when you are driving on a rough road. Jan 14, 2022 · You may also notice vibrations while driving, or grease on the inside edge of the tires. Like what u here with some trucksvoov voop voop sound. You may want to take a 20-45 minute nap before starting out. the tread design portions of a tire, is modulated by selectively pitching and sequencing load carrying elements. I had a clicking noise for a while. 05. Stay away from moving parts, and listen to the differential – it should be quiet. If the bushing is worn, damaged, or broken, it will begin to creak. Tire balancing isn’t needed when rotating the tires but if there is a noise get your tires checked out. That will be wheel bearing. Sharp turns can cause a lot of stress on your Oct 23, 2009 · Joined Jan 29, 2008. You’ll be looking to hear the hum increase as the speed picks up. [iframe] I have been hearing a knocking sound from rear passenger side wheel. About While Driving Rotating Noise . When you first start a car in the morning, the battery will be drained enough that the alternator will be called upon to provide current and this creates a torque that must be overcome by the belt. Open Rotor Noise consists of a number of different noise sources, each of which generates noise over a wide frequency range (one of the main features of contra-rotating turbomachinery). While driving, the driver should maintain a sufficient distance from the vehicle in front of him or her to avoid collision if the other vehicle slows down or stops suddenly. A humming, grinding or hissing car noise can end up costing you. This usually indicates a problem with the torque converter. How to Choose the Best Quiet Tires? Most drivers look for a comfortable experience when they are driving. Aug 04, 2020 · Fortunately, active noise control technology is the perfect solution if you’re looking to only quiet specific sounds. 98###1. Jan 12, 2022 · Also learned the hard way not to jack using these brackets. The large anharmonicity of the qubit and its strong inductive coupling to a microwave line enabled high-amplitude driving without causing significant additional decoherence. Aug 12, 2021 · Some cars can also have power-assisted steering that makes parking in confined spaces easier and reduces the number of turns of the steering wheel you need to make while driving. 3,485 Posts. Jul 01, 2020 · Your car’s tyres can make all manner of noises while you’re on the road. In this article, you will be given in-depth explanations of the issues that can lead to a ticking noise in your Jeep and how to fix them. YouTube. Your steering wheel can make a clacking or clicking noise when you turn. Rotating-frame relaxation as a noise spectrum analyzer of a superconducting qubit undergoing driven evolution. Decided I didn't want to pay them 0 to replace it so my son and I replaced both just Oct 18, 2014 · My truck has been making noise for awhile now when turning left or right although the noise is more pronounced turning right. The frequency of noise caused by a car problem depends on what kind of material is involved. Like I said, aftermarket bearings, and very rarely even an OE bearing, will make a single pop noise on a turn. It sounds like something is rubbing at one spot when the Sep 16, 2019 · Dodge Ram Bad Wheel Bearing Diagnosis. Solution: Add Power Steering Fluid, Fix Leaks. Fig. Driving on a flat or damaged tyre can cause lasting damage to your wheels so if the slapping starts, stop driving. About three quarters of the machine operations can be attributed to machine tools (Damberg, Foss 1982). Even when the car is in park, when the steering wheel is turned, a whirring/revving noise comes from the passenger side of the engine compartment (but I do not think it is coming Oct 24, 2021 · Also if you hear squeaking or scraping noise while you’re stopping the car using the brake, this means that the rotor is being hit by the brake wear indicator and it’s making this noise. Listen for excessive noise when driving at high speeds. When you hear it: As you turn the steering wheel, the engine is running, parked, or driving. Sometimes this can be a result of not driving your car enough. While doing this, it also allows one wheel (the outermost) to. #3 · Oct 23, 2009. May 14, 2019 · Diagnosis by noise: the sounds your motorbike makes Start out by listening at different points around the engine, like the cylinder head valve caps, or the camchain tensioner mechanism. Feb 11, 2010 · It sounds like something at the front of the car is rotating and contacting something as it turns which then makes the grinding noise. Thus, the use of faster rotation times will improve temporal resolution, not alter noise, and increase dose. 1) Clicks x times per rotation of the tire so if I'm going slower there are fewer clicks and if I go faster there is more in a shorter What is Rotating Noise While Driving. It doesn't stop or start due to the brakes Mar 09, 2011 · However, if the whole car shakes at high speeds, you probably have a tire or axle that’s not rotating probably, as this kind of problem tends to be amplified at particular speeds. Jul 02, 2018 · I have a rotational ***8221;one per rev***8221; noise somewhere around my car when driving. Mar 24, 2020 · If you can hear it, the noise is likely to be a grating, grinding or rumbling which changes with the road speed and doesn’t change when you blip the throttle or dip the clutch. If you can hear a grinding noise changing gears, then your vehicle needs a clutch replacement or adjustment. Jul 02, 2021 · About Noise Rotating Driving While . The noise is constant, its not better or worse if I turn, and it's consistent with the Note that the question specifically states the noise is independent of engine speed - as long as the vehicle speed is above a certain point, the sound remains present and its pitch and volume are not affected when the engine speed changes independent of vehicle speed (e. Found a destroyed wheel bearing on one side, thought problem was gone. Wilbur hit upon this idea while twisting a cardboard box from a bicycle inner tube as he chatted with a customer in the brothers’ shop. , while still at low speed) the pad may be rubbing against the rotor until you get to a high enough speed that the pad finally retracts. but Jul 28, 2010 · Well, new noise/issue popped up yesterday that I have no clue what it could even be. But there are some car noises you don’t want to hear, because they can signal trouble. However, in order to reduce spark or voltage generated by a spark, these parts are to be fixed to the armature, which enables to eliminate the noise more effectively; fixing parts closer to the armature sometimes contributes to the lower cost policy. The sound is always low-pitched and relatively unobtrusive. If it fails while you’re driving, it can lead to a loss of control. 1. If the knocking happens when you turn the steering wheel when the car is not moving then there is a problem with the coil springs that form part of the front suspension. The noise stops when brakes are applied. Jun 18, 2021 · Rotation mounts are designed with an inner bore to mount a Ø1/2", Ø1", or Ø2" optic, while rotation stages are designed with mounting taps to attach a variety of components or systems. For filtered measurements (1x, 2x, etc), the slow-roll vibration can be recorded as a vector (amplitude and phase). DIAGNOSIS When a customer comes to you with a vibration or noise complaint, the first diagnostic step is to get as accurate a description as possible of what’s happening from your customer. 6. Learn more about proper tire inflation and how it impacts treadwear . | Features. Jul 21, 2017 · 5 Posts. This complex system consists of hoses, belts, and more that can all fail over time. Almost like a big rock stuck in the tread, but just a little more muffled. It could mean a loss of integrity like raceway or roller damage. Keeping your eyes and ears focused on what's happening around you is a must when Jul 18, 2013 · The external noise generated by the tire is indicated both in decibels (dBs) and by black sound waves that indicate the noise class of the tire, from 1 (quiet) to 3 (loud). This is a direct-drive motor where the rotor is a ring of magnets attached to the bottom of the platter. Steven universe season 5 lars head. While some of these fixes are simple, such as topping off the power steering fluid, others can be more involved. The gearbox noise and vibration spectrum consists of sinusoidal components. Here are some of the most common sounds cars make and their cause: 1. Oct 24, 2021 · Also if you hear squeaking or scraping noise while you’re stopping the car using the brake, this means that the rotor is being hit by the brake wear indicator and it’s making this noise. Jul 24, 2011 · Hi Car Talk readers! I took my 2007 (manual!) Honda Civic LX to a local car shop last Friday because it wanted its oil change, oil filter change, tire rotation, and spark plugs etc. I took it to a mechanic shop and they said they couldn’t determine where the noise was coming from but it wasn’t a wheel bearing. ·. Only show this user. May 18, 2013 · So I went out driving in this fine May weather with the windows down and I noticed that there was an odd clicking sound coming from my front driver's side wheel. mackd08 said: I have a 2020 CR-V EX-L that I bought in May. A weight may have fallen off causing one tire to vibrate especially at higher speeds. When the brakes on your car make noise they are trying to tell you something, and usually that message is that something’s wrong. Clunking. While the part itself is not very pricey (0-0), labor costs are (0-0 The whirling speed is still in the same direction as the driving speed. The noise may get worse when turning, or it may disappear momentarily. Extended, excessive or aggressive stop-and-go driving, especially on ridiculously hot days, greatly increases air pressure in an already over-inflated tire, while greatly increasing the temperature of an already under-inflated tire — the perfect conditions for a blowout. 4. To prevent vibration, skidding, noise, and wear, wheel alignment inspection is necessary. Damaged Tires or Rims. further reduces starter size and reduces driving noise. Oct 04, 2013 · Did tyres rotation recently with balancing. This thing named as the wear indicator of the brake is a metal tab attached to the pad of the brake when the brake pads are worn out and need to be replaced. 3. Severely worn brake pads or shoes can create a grinding noise while driving. 8 Causes of Car Shaking or Vibrating While Driving. Usually due to problems with the transmission gear mechanism. It has the Hankook Kinergy GT tires on it. I am not sure if its these tires or lack of sound deadening material on the vehicle. #6 · Mar 24, 2012. Oftentimes, this noise is just air being condensed in the tire treads. When the bushings become torn, worn out or completely break, the stabilizer bar itself will become unstable and cause a rattling or clunking sound while you are driving. With only the info you gave to work with, I'll stick with a hub bearing as a possibility. I noticed that it shifted from front to rear when I rotated the tires. I was lucky it did not go through the carcass. If your car’s steering wheel is making noise while turning, it means the components on either your steering system or suspension cannot take the weight of your car. Rotating your tires also ensures that tire wear is Oct 08, 2017 · There are a few reasons why a car will make noise while braking at low speeds. Disable the ABS/ESP system – there’s usually a button. While tire noise-cancelling/reduction technology doesn't necessarily create headlines, the technology is available for people who value quietness over maximum tire performance. Dec 06, 2020 · 3. Scraping noise while driving. Jul 05, 2021 · Hi all, There is a rotating/ road noise coming from the front side of my car(98 Audi A4 1. had the wife work the steering wheel back and forth while I was underneath it Aug 30, 2020 · Goodyear conducts the following tests to determine noise levels on its tires: a. 6 ton iron track excavator with 360 degree rotation. An electrical noise could be reduced by fitting a capacitor or a choke coil to a motor terminal part. I have a 2013 SRX that has a a noise similar to a gear hum that gives the impression the Trans is in a lower gear. Jan 09, 2014 · We infer the high-frequency flux noise spectrum in a superconducting flux qubit by studying the decay of Rabi oscillations under strong driving conditions. Jan 29, 2014 · Got this continuous rotating driveline noise that seens be getting louder and sounds like its coming from the frontend . Most of the time, your vehicle warranty covers problems like these. com Scraping noise from wheel while driving is very common and the fix is even easier. The most common tyre noises you’ll likely encounter as a driver include: Squeaking – Some tyre noise is a result of an aggressive driving Knocking sound with every rotation of wheel? Nick1805 Buffalo Member Posts: 1. Effect of the noise amplitude on the monotonicity of the rotation number \rho = \rho _ {\tau }, shown for \epsilon =1. Knocking sound with every rotation of wheel? Nick1805 Buffalo Member Posts: 1. Oct 01, 2021 · If there is noise and vibration after your tire rotation, there are a few reasons it happens. The best I can describe it is that it sounds like a tire with a flat spot. If the CV joint itself is worn, the only option is to replace it. almost like a rumbling or flat tire sound or rubbing. Bad ball joints, worn control-arm bushings or faulty stabilizer link-pins can cause Nov 25, 2008 · 1998 Legacy 2. The trick here is to remember that when two components are rotating in the same direction at the same speed, they are, in effect, not moving relative to each other. Grinding Noise: You can hear a grinding noise when the wheel bearing loses its lubrication. At lower speeds (usually in places where you can hear an echo, like on narrower side streets with cars parked on both sides of you) the noise is usually more noticeable and at higher speeds it would go away. It happens when compressed air is trapped under the tire in the gaps between the tread pattern. Quote: Originally Posted by Sinuuin. Feb 16, 2010 · 2,224 Posts. Whether you want to solve a specific rotating equipment problem, increase your plant performance or improve your overall maintenance efficiency, SKF is your partner. For example, a 4T60-E has a noise in neutral while stationary. Answer (1 of 3): * If the belt is not tight enough it will slip under load. When I get over 60 mph and let off of the gas there is a grinding/rattling noise. #7 · Apr 1, 2017. If you feel any crunching, hear any noise, or experience difficulty while rotating it, it may be a sign that your alternator is going bad. The rotating motion of the rotor combined with the squeezing movement forces the “ears” of the brake pad backing plate against the abutment area. Sep 19, 2019 · Check out this video to see scraping noise from wheel while driving: With the grinding noise from the brakes, if you ignore this noise at the first time, next time it will be a powerful grinding. Jul 28, 2010 · Well, new noise/issue popped up yesterday that I have no clue what it could even be. I have a real bad clicking noise that seems to be coming from the front drivers side area. A vehicle can make a few noises while turning. As mentioned above, it is normal for the hard drive to make some noise. Mar 09, 2016 · Question: I have a 2002 Honda Accord LX 4 Cylinder 2. Is sounds like a caliper may be sticking, and the pads are dragging on the rotor. Alternator – Grinding noises can also be a sign that the alternator is wearing out. From a dead stop to highway speeds. A component Apr 19, 2010 · The rotating metal noise is terrible! Please help* while driving you should be able to confirm if it's a wheel bearing by giving the steering wheel a few little Sep 01, 2005 · After driving about 100 miles, I started noticing a bumpy noise. Cadillac/GMC/Chevy Truck and SUV bulletin regarding the same issue they had recalled for 2014-2016 products with a "high speed whining noise" It was a multiple step guide to fix this is which started with the Ring and Pinion then the drive shaft then the rear axle. The damage from these crashes increases when they occur at high speeds. Oct 03, 2021 · About Driving While Noise Rotating . Had my local Cadillac dealer do a diagnostic check, said it was right front wheel bearing. checked. Sep 29, 2020 · There are many different car systems that can make a grinding noise, but when just focused on the engine alone, it could be due to worn-out bearings. All the lug nuts were so loose on the driver's-side front wheel that they almost fell off Jan 05, 2015 · Wheel Bearing Noise Diagnostics. Try jacking up the driveshaftcarrier bearing while the car is on a lift and drive it like normal. Bad wheel bearings cause tire noise when they’re damaged or deteriorating, which produces a grinding or purring noise when driving. Noise is a classic sign of a bad wheel bearing or wheel hub bearing Mar 24, 2020 · If you can hear it, the noise is likely to be a grating, grinding or rumbling which changes with the road speed and doesn’t change when you blip the throttle or dip the clutch. On October 18, 2020, in an article published on Seeking Alpha with the title, "A Historic Capital Rotation Is On Tap", we made a case why we believed a capital rotation was imminent, and now that. Optimized performance and (fuel) efficiency are essential criteria for driving the development of eco-friendly engines. If you feel a vibration in the steering wheel, that’s probably related to an issue with the front tires’ balance, but a vibration that Jan 22, 2018 · Most of the time, this type of noise is associated with a problem with the pump’s power steering fluid. Even on dry, well-maintained roads it’s an accident waiting to happen. Any extra or unnecessary noise from your car is a call for help. On heavy snow, the performance level falls. Mar 17, 2009 · Outdoor Gasoline and Electric Powered Equipment and Small Engines - Grinding Noise from the gear/drive-Transmission of a John Deere L100 - I have a John Deere L100 ride mower and recently the gear /drive transmission has gradually developed a metallic-grinding sounding noise when its in gear and in motion. If I press the gas pedal it goes away, but as soon as I take my foot off the gas it is back. If this is easily duplicated, it should be relatively easy to diagnose. Right away, you can rule out the torque converter. There aren’t a whole lot of rotating parts behind your wheels, which can make diagnosing these sort of sounds easy. Sep 20, 2021 · Tap While Driving under Turn on Automatically, then select one of these options: Automatically: Driving will be activated based on detected motion. Feb 14, 2019 · Here’s how to check and correct brake clunk noise. 4. Rotating your tires also ensures that tire wear is Jan 26, 2011 · Again, when I was driving there was no vibration in the steering wheel, and I didn't notice any drifting to the right or left while on the highway. If the chosen RPM is too slow, there might be measurement errors. Also, on the official 1st Inf. While doing this, it also allows one wheel (the outermost) to Dec 27, 2021 · While a ticking noise is higher pitched and closer in context to a rattling of sorts, engine knock sounds more like a repetitive hammering and is often much louder. Does the sound get louder or go away. Shifting makes the sound change. You might want to look into replacing it altogether. If it changes under different speeds, it may be due to the frayed gears. Jan 27, 2014 · When you’re driving in your car and notice any excessive rumbling, bouncing, shaking, swaying, rocking, wobbling, or other odd feelings while either in motion or attempting to stop, there might be a mechanical problem. I used the motor/platter from a Technics SL-6 turntable to build my own turntable with my own tonearm. Misalignment of the front end may cause a squeaking due to front tire wear. If your engine has low oil, it can cause rattling sounds due to poor or no lubrication for vinyl engine components. Aug 19, 2020 · While the issue could be as simple as low inflation or tire wear, there are other possible culprits, such as a worn wheel bearing or incorrect wheel balance. In this case the engine driving torque is decreased and the engine noise does not mask the gearbox noise. Its only a week old, but never notice it before, properly because I use it infront of the TV. Bad ball joints, worn control-arm bushings or faulty stabilizer link-pins can cause Misalignment of the front end may cause a squeaking due to front tire wear. Keywords: Vibrations, Doppler, Laser, LDV, Tracking, TLDV, Continuous, CSLDV, Rotating, Modal, ODS