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DESCRIPTION
The operation of a 4-stroke gasoline engine classic breaks down as follows:
Saab engine CSC
ADMISSION
The inlet valve is opened and the plunger down. Fresh air and gasoline cleaner. COMPRESSION
The valves are closed and the piston back. The air is compressed and the pressure rises to about 10 bars. DETENTE
The candle lights the mixture. The pressure is about 80 bars. The piston goes down and gives power to the crankshaft. EXHAUST
The exhaust valve is opened and the piston back. The gases are evacuated by the exhaust.
Therefore 2 return trips piston or 2 engine revolutions per cycle.
English: 4 stroke cycle.
The main advantages are:
A very good weight / power
Discharges of polluting gases increasingly controlled The main drawback is:
Returns too low (between 10 and 40% depending on the load and the system).
Category: Automotive
Type: Glossaries and Dictionaries
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