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# Theory of flywheel

### Flywheel - Wikipedi

1. A flywheel is a mechanical device specifically designed to use the conservation of angular momentum so as to efficiently store rotational energy; a form of kinetic energy proportional to the product of its moment of inertia and the square of its rotational speed.In particular, if we assume the flywheel's moment of inertia to be constant (i.e., a flywheel with fixed mass and second moment of.
2. A flywheel is a mechanical device specifically designed to store rotational energy efficiently. A flywheel resist changes in rotational speed by their moment of inertia. The amount of energy stored in a flywheel is proportional to the square of its rotational speed and its mass. The way to change a flywheel's stored energy without changing its.
3. Mechanical Theory : Flywheel working principle. By. Keval Chaudhari - September 9, 2015. 0. 2164. Share on Facebook. Tweet on Twitter. Flywheel stores energy when the supply is in excess, and releases energy when the supply is in deficit
4. The flywheel effect, which Amazon also refers to as the virtuous cycle, represents a tangible way to generate traffic to the platform. Breaking Down the Amazon Flywheel In The Everything Store: Jeff Bezos and the Age of Amazon, journalist Brad Stone explains that the flywheel effect in the company's early stages worked.
5. What is a flywheel on a car? Technically explained , the flywheel (if manual) or flex plate (if automatic transmission) is defined as a disc that is bolted to the crankshaft at the rear of the engine.It serves many purposes: On a manual transmission car, it gives one of the friction surfaces for the clutch. The clutch pressure plate is bolted to it and the clutch disk is sandwiched between them
6. 4.5 Flywheel Design 4.5.1 Mass Moment of Inertia of Flywheel for an IC Engine 4.5.2 Mass Moment of Inertia of Flywheel for a Punching Press 4.5.3 Design of Flywheel 4.6 Summary 4.7 Key Words 4.8 Answers to SAQs 4.1 INTRODUCTION In practice, there are two following types of cases where reciprocating engine mechanism is used

### What is the Flywheel Concept by Jim Collins? Definition

• e the moment of inertia
• This video explains the whole concept of Flywheel with the help of a sewing machine as an example. The topic of learning is a part of the Theory of Machines-..
• considered in order to reduce the pressure around the flywheel to a target of 1/20 of an atmosphere. With the help of a reduced pressure chamber tightly fit around the flywheel, the overall viscous torque of the flywheel can be reduced by over ninety percent when compared to the same flywheel operating in free space at atmospheric conditions. Usin
• The Flywheel is a very useful analogy for implementing business strategy created by Jim Collins. It describes how driving a new strategy is like getting a huge flywheel into motion. Initially, there is no movement - many people think that the strategy is absurd - it is almost impossible to imagine the flywheel at speed

Theory: The flywheel is mounted in its bearings with its axle horizontal and at a suitable height from the ground, and a string carrying a suitable mass m at its one end and having a length less than the height of the axle from the ground, is wrapped completely and evenly round the axle. When the mass m is released, the string unwinds itself, thus setting the flywheel in rotation Flywheel, heavy wheel attached to a rotating shaft so as to smooth out delivery of power from a motor to a machine. The inertia of the flywheel opposes and moderates fluctuations in the speed of the engine and stores the excess energy for intermittent use. To oppose speed fluctuations effectively, a flywheel is given a high rotational inertia; i.e Flywheel is not used when cyclic fluctuation of energy is small or negligible. While a governor is necessary for all the types of engines because it limits the fuel supply as per demand. If we have constant load then governor will remain idle but due to cyclic fluctuations in energy available, flywheel will always work

### Mechanical Theory : Flywheel working principle Engineers

Concepts of flywheel; mathematical formulation of energy stored in flywheel Jan 14, 2021 - Flywheel - Theory of machine, GATE Mechanical Engineering Notes | EduRev is made by best teachers of Mechanical Engineering. This document is highly rated by Mechanical Engineering students and has been viewed 142 times Prepare Theory of Machines for GATE/ESE Mechanical Exam with this Free GATE 2021 ME Crash Course wherein the most important questions & some other concepts h..

### Torque and angular acceleration of a fly wheel (Theory

1. g soon; bevel gear - in hindi - theory of machine; motivational tips regarding preparation for govt. jobs & campus placements; dual mass flywheel {dmf} - in hindi [theory of machine
2. The Flywheel effect is a concept developed in the book Good to Great. No matter how dramatic the end result, good-to-great transformations never happen in one fell swoop. In building a great company or social sector enterprise, there is no single defining action, no grand program, no one killer innovation, no solitary lucky break, no miracle.
3. FlywheelFlywheel is a machine member which avoids fluctuation of energy in a power plant (I. C. engine) or in reciprocating compressors & pumps.Flywheel does..
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A flywheel is used to mitigate cyclic fluctuations in available energy but a governor is used to adjust the supply of fuel as per the load. The energy stored in the flywheel is kinetic which is 100% available but the governor mechanism involves friction. The flywheel is not used when cyclic fluctuation of energy is small or negligible This video explains the whole concept of Flywheel with the help of a sewing machine as an example. The topic of learning is a part of the Theory of Machines-I course. The course also covers the Kinematic Analysis of Mechanisms like Automobile Steering, Belt Drives, Cam-Followers, Flywheel, Governors, and Brakes etc The flywheel is the mental model that brings these forces together. Removing friction from your internal processes means you can spin your flywheel — and grow — faster. And most importantly, when paired with the inbound methodology, the flywheel reveals the importance of the customer experience

The flywheel approach, a holistic system of meaningful purpose, culture, and execution capabilities, depends on trust inputs from all stakeholders, and generates a steady output of trust that, in turn, throws off value in all directions. But to embrace this approach, companies must be sincere. Without authenticity, the energy in the flywheel. Flywheel reduces speed fluctuations during a cycle for a constant load, but flywheel does not control the mean speed of the engine if the load changes; Flywheel does not reduce speed fluctuations during a cycle for a constant load, but flywheel does control the mean speed of the engine if the load change The mass of the flywheel is minimized subject to constraints of required moment of inertia and admissible stresses. The theory of the rotating disks of uniform thickness and density is applied to each the disk and the rim independently with suitable matching condition at the junction A flywheel is essentially a mechanical battery consisting of a mass rotating around an axis. It stores energy in the form of kinetic energy and works by accelerating a rotor to very high speeds and maintaining the energy in the system as rotational energy receiving the flywheel up to rapidity and then transferring the i/p drive motor to generator. The result is a self-powered system capable of running extra loads. In Oct '09, Lawrence Tseung demonstrate the energy addition gravity-based pulse theory. theory explains that excess energy = 2mgr (m

Countering the requirement of smoothing out the large oscillations in velocity during the cycle of a mechanism system, a flywheel is designed and analyzed. Firstly, based on the dynamic function specifications of the system, the main features of the flywheel have been initially determined in a traditional way the flywheel sure,its the key ,the heart of this system, and based on my trial, the shape of the flywheel are the most critical factor instead of the weight mean, with the same weight but bigger diameter,and less thick,and consentratting its mass weight pn its radian, ,mean, the flywheel has a less weight near its cente The function of a flywheel in this situation is to suppress the side-to-side motion. This is achieved because of the heavyweight of the flywheel. Flywheels reduce the vibration of the engine as a whole as the engine is stabilized and balance on the mounts. Engine Start: the flywheel plays another role while starting the engine. The gear teeth on the flywheel are attached to a starter motor Theory: The flywheel consists of a weighty round disc/massive wheel fixed with a strong axle projecting on either side. The axle is mounted on ball bearings on two fixed supports. There is a little peg on the axle. One end of a cord is loosely looped around the peg and its other end carries the weight-hanger The flywheel needs to provide energy to perform remaining three strokes. In a two-stroke engine , there is a power stroke in every revolution of the crank (every 360° of crank rotation) the flywheel of this engine need to provide energy for remaining one stroke

### The Amazon Flywheel Explained: Learn From Bezos' Business

Theory of Flywheel - Free download as PDF File (.pdf), Text File (.txt) or read online for free 'Moment of Inertia of Flywheel Theory Mechanics Virtual April 27th, 2018 - The flywheel consists of a heavy circular disc or wheel with a strong axle mounted on ball bearings on two fixed supports The wheel can be rotated in a vertical plane about the horizontal axle It is used to determine th Theory Of Machines & Flywheel Apparatus, Theory Of Machines Experiments - Theory Of Machines, Wheel And Axle, Wheel And Differential Axle, Worm And Wheel Single Start, 30:1 Ratio Importer, Worm And Wheel 2 Start, 15:1 Ratio Supplier, Simple Screw Jack, Wall Mounted Screw Jack, Efficiency Of Screw Threads, Cam And Follower Apparatus, Flywheel Apparatus, Small Flywheel Apparatu THEORY : Flywheel is a solid disc mounted on the shaft of machines such as turbines, steam engines, diesel engines etc. When the load of such machines suddenly increases or decreases its function is to minimize the speed fluctuations which occurs during the working of machines.The Flywheel acquires kinetic energy from the machines.The capacity.

This is one of the objectives of this experiment.A flywheel is a device that has a sufficient moment of inertia and is whose purpose is storage of rotational energy. Flywheel resists rotational speeds changes; this helps to steady the shaft's rotation, in cases where a changing torque is exerted on it.For a flywheel with a solid disk, its mass moment of inertia is found using the formula below 566 Theory of Machines Fig. 16.1. Turning moment diagram for a single cylinder, double acting steam engine. where FP = Piston effort, r = Radius of crank, n = Ratio of the connecting rod length and radius of crank, and A flywheel used in machines serves as a reservoir, which stores energy during the perio

THE FLYWHEEL-18-The moment of inertia, I, is determined by imagining that the body is divided into a number of infinitesimal elements of mass /mi each at a distance ri from the axis of rotation. The moment of inertia I about this axis is given by the sum of all the products ( /mi ri 2) calculated for each element, I = i ( /mi ri 2).If the body has a simple geometrical figure, e.g. a sphere. A flywheel is an inertial energy storage system where the rotating mass functions as the energy storage retainer. While connected to the motor (possibly electrical motor), a flywheel can be accelerated to a specific angular velocity Whenever the bus brakes, the flywheel works as a regenerative brake, absorbing kinetic energy and slowing the vehicle down. When the bus starts up again, the flywheel returns its energy to the transmission, saving much of the braking energy that would otherwise have been wasted

### How Does a Flywheel Work? Explained in Simple Word

1. invented, the flywheel began to smooth periodically changing torque and assist to overcome the dead point in piston's movement sequence. In internal combustion engines the flywheel has a similar role in transferring pistons' movements via the crankshaft to the transmission. The need for greate
2. Flywheel is a mechanical device used to reduce fluctuation of speed of the output shaft during various strokes of a cycle. It acts as a reservoir of energy which stores the excess energy during power stroke and releases it during idle stroke
3. Tseung's gravity theory explains that if a energy pulse is applied to a flywheel, then during the instant of that pulse, excess energy equal to 2mgr is fed into the flywheel, where m is the mass of the flywheel, g is the gravitational constant and r is the radius of the center of mass of the flywheel, that is, th
• Flywheel. 5. Gears and Gears trains. 6. Friction Clutches. 7. Belt drives and Band Brakes. 8. Power Screw. 9. Universal Joint. 10.Gyroscope. 11.Speed Governors. 12. Steering mechanism. Chapter One Kinematics and Kinetics of Mechanisms Introduction: Theory of Machines: may be defined as that branch of engineering science, which deals with the.
• Kinetic Energy Storage: Theory and Practice of Advanced Flywheel Systems focuses on the use of flywheel systems in storing energy. The book first gives an introduction to the use of flywheels,..
• Flywheel, Ask Latest information, Flywheel Abstract,Flywheel Report,Flywheel Presentation (pdf,doc,ppt),Flywheel technology discussion,Flywheel paper presentation.
• ing the flywheel speed limit, and hence, the maximum energy that can be stored. The shape factor K is a measurement of flywheel materia
• The Theory and Synthesis of High Effect Flywheel with Variable Equivalent Mass Moment of Inertia. Article Preview. Abstract: To reduce the angular velocity fluctuation of the input shaft to a machine, we deduced that a machine under the combined action of the inertia and the load may keep running smoothly if the equivalent kinetic energy (EKE.
• Dear Readers, Welcome to Theory of Machines - 1 multiple choice questions and answers with explanation. These objective type Theory of Machines - 1 questions are very important for campus placement test, semester exams, job interviews and competitive exams like GATE, IES, PSU, NET/SET/JRF, UPSC and diploma. Specially developed for the Mechanical Engineering freshers and professionals, these.
• The flywheel is Hubspot's response to the need for a Theory of Everything for content marketing. Each of the separate funnels — Marketing, Sales, and Customer Exerience — becomes a segment.

1965, and Theory of Vibration with Applications 1972. In keeping with continuing advances in modern technology, a number of changes have been made in the subject matter, mode of presentation and emphasis. Outdated material has been deleted and techniques found to be useful have been emphasized. Attempt is made to extend the coverage over broad. An investigation on qualitative dynamics in a voltage-current dual-loop controlled flywheel energy storage system (FESS) operating in discharge mode is presented in this paper, providing novel insights into the effect of two-timescale characteristics on the safety and stability of energy transmission of FESS. Based on singular perturbation theory, a two-timescale approach is proposed to. Theory of Machines A flywheel of moment of inertia 9.8 kg m 2 fluctuates by 30 rpm for a fluctuation in energy of 1936 Joules. The mean speed of the flywheel is (in rpm

### Moment of Inertia of Flywheel (Simulator) : Mechanics

1. The main principle we use is conservation of angular momentum, with the momentum of the flywheel counteracting the momentum of the rotor. Here, a subscript R referes to rotor, F to flywheel, and C to chassis. From Mabuchi RS-380SH DC motor specs Max likely torque = 5 mNm. Max acceleration of chassis = 100 rpm per second. Assume case wher
2. STRESSES IN FLYWHEEL • Flywheel being a rotating disc, centrifugal stresses acts upon its distributed mass and attempts to pull it apart. Its effect is similar to those caused by an internally pressurized cylinder. • = material weight density, ω= angular velocity in rad/sec. ν= Poisson's ratio, is the radius to a point of interest, ri.
3. flywheel math This is a simplified explanation of one way to think about rotational mass in a flywheel, and what effect can be expected from reducing the mass. Being a sort of conceptual approach, it leaves out a lot of real world factors, but should provide an idea of the principles involved
4. - The flywheel provides power during period between the loss of utility supplied power and either the return of utility power or the start of a sufficient back-up power system • Flywheels have also been proposed as a power booster for electric vehicles
5. Theory of Machines Flywheel Online Test : SET 1. There is no time limit. There is no Negative Marking. You can view Result with Detail Solution of each question after completion of the test.; Questions is taken from Previous Year Papers
6. A flywheel as defined by Professor Joseph Shigley, is a mechanical filtering element in a circuit through 3 which power is flowing. Energy is supplied by the engine Most books on theory of machines and dynamics of ma-chinery have dealt with the topic of flywheel inertia.
7. Once a target is set in a business, for most leaders it's a natural tendency to jump right into the business of hitting it - in other words, massing the effort and push needed to achieve what Jim Collins (Good to Great) called the Flywheel Effect.I've always liked the flywheel analogy, because it's a great mental image of how a business gets from Point A to Point B.

### Working of Flywheel Theory of Machines - YouTub

Electromechanical Analogy Design Theory of Spiral Flywheel Motion Transformation System: LI Chuan;DENG Juli;WANG Shilong;ZHANG Xianming;DONG Yutao: Engineering Research Center for Waste Oil Recovery of Ministry of Education, Chongqing Technology and Business University The State Key Laboratory of Mechanical Transmission, Chongqing Universit The flywheel's smoothing out function is most applicable at idle. It simply decreases the rate of angular acceleration (when speeding up or down) during the cycle of an engine, dampens velocity fluctuations. When the car is in gear, the rest of the drivetrain is part of the flywheel system, so the actual flywheel is less important Prepare Theory of Machines for GATE/ESE Mechanical Exam with this Free GATE 2021 ME Crash Course wherein the most important questions & some other concepts have been discussed. Flywheel from the Theory of Machines is covered in this lecture. Use Referral Code: VERMA, To Get a 10% Discount on Unacademy Subscription. Register Now for COMBAT Unacademy GATE - bit.ly/3qBAQZV Subscribe to our.

### Parasitic drag analysis of a high inertia flywheel

Analysis of Flywheel Used in Petrol Engine Car Phanindra Mudragadda1, 2T.Seshaiah 1PG Student, Department of Mechanical, Qis College of Engineering &Technology, Ongole. 2Assoc.Professor, Department of Mechanical, Qis College of Engineering &Technology, Ongole. Abstract: - A flywheel used in machines serves as a reservoir which stores energy during the period when the supply o So, while in theory, the engine will run because of compression and de-compression, the energy to keep it going is generated only during one cycle, that's the power stroke. What a flywheel does is, it stores this energy, and keeps the engine going through the other strokes by providing the energy back This is the mechanical engineering questions and answers section on 'Theory of Machine' with the option for disscussion in forum , usefull for competitive examination and entrance test like GATE ESE PSU. Solved examples with detailed answer description, disscussion in forum helps in easy to understand concepts gravity theory explains that if a energy pulse is applied to a flywheel, then during the instant of that pulse, excess energy equal to 2mgr is fed into the flywheel, where m is the mass of the flywheel, g is the gravitational constant and r is the radius of the center of mass of the flywheel, that is, th 7 Flywheel (Application) The crank on the oil-pump rig undergoes rotation about a fixed axis that is not at its mass center. The crank develops a kinetic energy directly related to its mass moment of inertia. As the crank rotates, its kinetic energy is converted to potential energy and vice versa

### Flywheel Concept - Strategic Toolkit

• 50. With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by a. 2EC S b. EC S/2 c. 2EC S 2 d. 2E2C S (Ans:a) 51. Whirling speed of the shaft is the speed at which a. Shaft tends to vibrate in longitudinal direction b. torsional vibrations occu
• Theory of Machines This method is used for thicker discs like flywheel where it is possible to take out mass by shallow drilling. The side of the disc which consists of centre of gravity is called heavy side as shown in Figure 6.3(a). The opposite side to th
• According to the pictures of a sub-meter resolution optical satellite which were acquired on orbit, there is a phenomenon of jitter in the process of taking pictures. As the main attitude control component of the satellite, the flywheel will produce the disturbance in its normal work, which has great influence on the high resolution optical satellite
• Theory Of Machine GATE-2015, Set-3. 1 Marks; 2 Marks; 1. For the same material and the mass, which of the following configurations of flywheel will have maximum mass moment of inertia about the axis of rotation OO' passing through the center of gravity. Answer. We know that mass moment of inertia is given by \(\large I=mk^2\).
• Flywheel and Doom Loop Examples: Circuit City and Nucor. Alan Wurtzel, Circuit City's Level 5 leader, inherited the CEO position from his father in 1973, but the company didn't receive national recognition until 1984, when Forbes published a feature on its swift rise, portraying it like an overnight success story
• ium and a small quantity of carbon fibre (Cross and Hilton, 2008). The flywheel has been used in various projects to develop road applications. Volvo is developing one such application to use the Flybrid flywheel with a Torotrak CVT
• A flywheel connected to a punching machine has to supply energy of 400 Nm while running at a mean angular speed of 20 rad/s. If the total fluctuation of speed is not to exceed ±2%, the mass moment of inertia of the flywheel in kg-m 2 i

### Theory The flywheel is mounted in its bearings with its

SINGHLA SCIENTIFIC INDUSTRIES, A prominent Manufacturer and Supplier of finest quality Moment of Inertia of Flywheel based in Ambala Cant, Haryana, India A flywheel is a heavy disk or wheel that is attached to a rotating shaft.Flywheels are used for storage of kinetic energy.The momentum of the flywheel causes it to not change its rotational speed easily. Because of this, flywheels help to keep the shaft rotating at the same speed. This helps when the torque applied to the shaft changes often. Uneven torque can change the speed of rotation

### Flywheel machine component Britannic

The theory: what is the flywheel? The Flywheel has one key philosophy: the customer should be at the heart of everything you do. Customers shouldn't leave a funnel and then be forgotten - customers are what drives your business and your business should reflect that in everything it does. From sales and marketing (which prioritise creating new. Flywheel used in the thresher machine is solid disk. Dimensions of flywheel are provided below. this flywheel is designed and analyzed. Mass of flywheel (m)=60kg. Outer diameter of flywheel(do)=500mm. Inner diameter of flywheel(di)=50mm. Speed (n)=750 Rpm. 2.3 Materials Used. The flywheel energy storage system is a new kind conversion device which realizes electric energy and kinetic energy transform into each other. The dynamic characteristics of flywheel energy storage system have been studied extensively in recent years. A single point flexible support is suitable for the small flywheel system, because the friction loss is very low

### Flywheel Types, Functions, Advantages, Limitations, Use

1. imum speeds. Solution: ω = 2π*120/60 = 12.566 rad / s = ∴ =
2. rotational braking energy. The Flywheel-Regenerative Braking System (f-RBS) concept consists of a metal flywheel design of truncated cone geometry for the energy storage system (ESS) component and a V-belt CVT with a fixed gear for the transmission component of the RBS system. Racecar lap data an
3. Kinetic Energy Storage: Theory and Practice of Advanced Flywheel Systems focuses on the use of flywheel systems in storing energy. The book first gives an introduction to the use of flywheels, including prehistory to the Roman civilization, Christian era to the industrial revolution, and middle of the 19th century to 1960
5. Theory Of Machines - Part 1. Recommend 2.2k. Press Ctrl & '+' To enlarge text and pics! Write the function of flywheel. Ans. The function of flywheel is to act as a reservoir which will absorb energy when the turning moment is greater than the resisting moment, and will release the energy when turning moment is less than the resisting.
6. flywheel tangential forces are acting on the mean diameter of flywheel and it causes bending stress which developed near the hub end of the arm. This approach is based on cantilever beam theory. Fig. 11. Von mises stresse contour for 4,6 and 8 arm flywheel Table 6. Von mises stresses and max. deflection in arm due to tangential force
7. Using the SDK: Theory Client objects. Whenever you use the Flywheel SDK, you communicate with Flywheel using a client. All actions that use the SDK begin with creating a client, which looks like this >>> import flywheel >>> fw = flywheel. Client where the fw object is the client

### Flywheel; Theory of machines; By Himanshu khatri - YouTub

Get this from a library! Kinetic Energy Storage : theory and practice of advanced flywheel systems. [Genta G] -- Abundantly illustrated and handsomely produced volume provides engineers and general readers with an engaging account of the technology - ancient and modern - which has been developed to achieve the. INTRODUCTION TO BASIC NOTIONS ON ELECTRIC POWER 5 Electric Current Conductor Lines of Force Fig. 1.3 Schematic representation of a magnetic ﬁeld created by the ﬂow of current in a conductor. The direction of the lines of force is given by the law of the screwdriver: mentally follow the movement of a screw as it is screwed in the same direction as tha

### Flywheel - Theory of machine, GATE Mechanical Engineering

Question: QUESTION B1 MATERIAL SELECTION FOR A FLYWHEEL A Flywheel Is A Mechanical Device Specifically Designed To Efficiently Store Energy. An Efficient Flywheel Stores As Much Energy Per Unit Weight As Possible Without Failure (Figure 1). As The Flywheel Is Spun Up, Increasing Its Angular Velocity O, It Stores More Energy Subject: Re: [AJSMatchless] FLYWHEEL THEORY! On 23/06/2020 11:44 AM, DAVID DEMPSEY wrote: With trusty Avery scales ( 1 gram accuracy) I have weighed each flywheel to find they differ by a whopping 105 grams. Plugging the existing drillings does little to change the wide variation in weight left to right

### Moment of Inertia of Flywheel (Procedure) : Mechanics

J. Appl. Math. Volume 2014, Special Issue (2014), Article ID 487596, 17 pages. Singular Perturbation Theory-Based Qualitative Dynamics Investigation of Flywheel Energy Storage System in Discharge Mod Balancing, Theory of Machine PPT 1. THEORY OF MACHINE BALANCING By: KIRAN J. BHINGARE Guided By: Prof. K. R. Madavi 2. CONTENTS • Static Balancing • Dynamic Balancing • Balancing of Several Masses in Different Planes • Force Balancing of Linkages • Balancing of Reciprocating Masses • Balancing of Locomotives • Effect of Partial Balancing in Locomotives • Balancing of Inline. Flywheel energy storage plays a significant role in improving the reliability and efficiency of wind farm operations, in recent years. In order to reduce the communication burden, this study proposes a distributed algorithm based on the event triggered to coordinate the operation of wind farm and flywheel energy storage matrix system (FESMS) flywheel makes no warranties or representations about the accuracy or completeness of the flywheel website or app's content or the content of any sites linked to the flywheel website or app and assumes no liability or responsibility for any (1) errors, mistakes, or inaccuracies of content, (2) personal injury or death or property damage, of any.

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