# What are the two types of flywheel?

• 1.

## What is the special advantage of flywheel drive?

Flywheels are the oldest type of energy storage devices. The advantages of flywheel energy storage systems are high efficiency, high energy and power density, and long life. On the other hand, flywheels are more expensive and require more space than batteries and fuel cells.

20 years

## What is flywheel in mechanical engineering?

A flywheel is a heavy wheel attached to a rotating shaft. It enables you to distribute a large force evenly across a device (it smooths the energy fluctuations to make the energy flow uniform). Flywheels store energy mechanically as kinetic energy.

## How do you calculate flywheel energy?

Kinetic Energy goes as 1/2*I*w2. For flywheels I =1/2MR2. If we measure w in revolutions per second then the stored energy of a flywheel is approximately 6MR2 x w2 (RPS) For M=140 kg and R=50cm this yields a required w of 500 RPS or 30,000 RPM.

## What is a clutch flywheel?

The flywheel is a metal disc which is fitted directly onto the crankshaft between the engine and the clutch. Its purpose is to help provide a smooth transfer of power from the engine to the drive train. In essence, the flywheel gives your vehicle enhanced momentum and a smoother driving experience.

## Why flywheel is called flywheel?

Answer. Answer: FLYWHEEL = Fly + Wheel or basically “A wheel that goes fast”. A flywheel is the main wheel of the motor, it used to be the one motor that turned and gave energy to all other belts.

James Watt

## How much is a flywheel for a car?

When you add it all up, the average car owner is going to have to pay somewhere between \$500 and \$1,000 in most cases for flywheel replacement. That makes it one of the most expensive parts to replace in your powertrain.

## Is flywheel a disc or ring?

Flywheels are nothing but circular disc-shaped objects which are mainly used to store energy in machines.

## Do automatic cars have a flywheel?

First, automatic transmissions do not have a flywheel. An automatic transmission has ring gear teeth on a flex plate. What do you mean by turn? If you mean to machine the surface, again automatic transmissions do not have a flywheel, so there is no surface to turn.

## How do you make a flywheel?

Firstly, calculate the mass moment of inertia required by the flywheel to smoothing out the fluctuation/variations of kinetic energy in the system. This will be discussed in this article. Secondly, calculate the geometry/dimensions of the flywheel based on the calculated mass moment of inertia and material properties.

## Why is flywheel made of cast iron?

Material selection Small flywheels made of lead are found in children's toys. Cast iron flywheels are used in old steam engines. Flywheels used in car engines are made of cast or nodular iron, steel or aluminum. ... Thus, the tensile strength limits the amount of energy that a flywheel can store.

## How do you calculate flywheel torque?

The torque due to the weight is τ = Tr where T is the tension in the string and r the radius of the axle. Because the bearings in the flywheel are not frictionless, there will be a frictional torque exerted at the bearings equal to f which will oppose the motion of !

## Is a flywheel part of the engine?

Flywheel is connected directly to the engine crankshaft. In some companies they assume it to be a part of the engine while in some companies they consider it to be a part of the clutch assembly like in honda.