Superchargers

Question 1

What is a supercharger?

Answer 1

A mechanical device that increases engine power output by forcing more air into the engine

Question 2

How do superchargers work?

Answer 2

• A gear drive system delivers power to opposing rotors
• Air enters the air filter and intake pipe and is forced through by the interlocking rotors
• Air exits the supercharger through the discharge port

Question 3

Describe how a positive displacement supercharger functions

Answer 3

• Uses a pump to provide a fixed volume of air per revolution in the engine, regardless of RPM
• Examples are roots and twin

Question 4

Describe how a dynamic supercharger function

Answer 4

Accelerates the airflow to a high speed, which is used to create pressure

Question 5

Describe the pros and cons of Superchargers vs Turbocharger

Answer 5

• Provides instant boost
• Simpler to install and maintain
• Lower efficiency as it directly consumes engine power