Engine Construction Flashcards
What are cylinder blocks made from?
Cast Iron
Aluminium
What is the sump made from? And where is it fitted?
Thin mild steel or alloy
Fitted to lower crank case
The crankshaft turns what into what?
Linear to rotary
What is the hole through the piston head for?
The Gudgeon Pin
What dose the small end bearing do?
Holds the piston with the Gudgeon Pin
What’s the second between the small and big end bearing called?
Shank
What dose the big end bearing do? And what’s it lined with?
Holds the crankshaft, it’s lined with shell bearing
What are the 2 types of big end bearing?
Solid and oblique
Why is the flywheel made heavy?
To smooth out vibrations
What dose the fly wheel do?
Smooth out vibrations, stores and releases kinetic energy
What is the cylinder head made from?
Cast iron for heavy duty
Or
Aluminium for light vehicles
What dose the cylinder head consist of?
Inlet & exhaust valves
Inlet & exhaust ports
Water jacket
What’s the purpose of the valves?
To allow gases in and out and seals the cylinder
When talking about engine block design, what are the main good and bad thing for a closed deck design and open deck design?
Closed deck - reduced cooling and stronger construction
Open deck - improved cooling and less strength
What are cylinder liners for?
Reduce engine wear
What are cylinder liners made from?
Thin sleeves of high quality cast iron or steel
What are the 2 types of cylinder liners?
Wet and dry liners