Motors

Motors

1. Petrol engines

2. Jet engines

3. Diesel engines

4. Engines and machines generate rotary movements

   • Due to friction, resistance is generated

5. Work at high speeds

   • horsepower (hp)

6. four stroke

   • A stroke is an upward o downward movement of a piston
     • Mixture air and combustible
   • Induction, compression, power and exahaust

7. They are internal combustion engines

   • Cylinders surrounded by a cylinder block
     • Small engines have 1 cylinder (motorcycle)
     • Big engines can have 12 (autos)
     • Fuel is supplied to each cylinder from a tank
       • The fuel flow is generated by a pump, giving pressure by the fuel injectors