4 ENGINEERING MODULE Unit 4.1 Designing Manual drafting Technical drawing Engineering drawing What is CAD CAD?? From CAD to BIM Unit 4.2 Engines and motors Internal combustion engines The steam engine The four-stroke petrol engine The two-stroke petrol cycle The four-stroke diesel engine The electric motor Alternative engines The future of the ICE Unit 4.3 Cars Car parts The cooling and the fuel injection systems The drive train The exhaust system The braking system 163 MechPower.indb 163 30/01/24 17:08