P Piston Engine Design and Components

Question 1

Why do we use multiple cylinders?

Answer 1

Increase the mass of charge combusted to give smooth power delivery

Question 2

What is the throw?

Answer 2

The distance from crankshaft centreline to crankpin centreline

Question 3

What does valve/tappet clearance allow?

Answer 3

Allows the push rod to thermally expand without engaging the valve

Question 4

What are the 6 ways engines ca be classified?

Answer 4

1. Number of cylinders
2. Cylinder arrangement
3. Method of cooling
4. Type of fuel
5. Induction system
6. Propeller drive arrangement

Question 5

What are 4 different types of piston engine?

Answer 5

1. Radial engines
2. In-line engines
3. V engines
4. Horizontally opposed