2 stroke engine

                                                

         

How two stroke engine works?

If you now a little about engine , any engine perform 4 thing which i explain in 4 following steps.
1.Intake
2.Compression 
3.Power
4.Exhaust

INTAKE
The fuel/air mixture is first drawn into the crankcase by the vacuum that is created during the upward stroke of the piston. The illustrated engine features a poppet intake valve; however, many engines use a rotary value incorporated into the crankshaft.

COMPRESSION
The piston then rises, driven by flywheel momentum, and compresses the fuel mixture. (At the same time, another intake stroke is happening beneath the piston).

POWER
At the top of the stroke, the spark plug ignites the fuel mixture. The burning fuel expands, driving the piston downward, to complete the cycle. (At the same time, another crankcase compression stroke is happening beneath the piston.)

EXHAUST
Toward the end of the stroke, the piston exposes the intake port, allowing the compressed fuel/air mixture in the crankcase to escape around the piston into the main cylinder. This expels the exhaust gasses out the exhaust port, usually located on the opposite side of the cylinder. Unfortunately, some of the fresh fuel mixture is usually expelled as well.

Components of  2 stroke engine

You find two-stroke engines in such devices as chain saws and jet skis because two-stroke engines have three important advantages over four-stroke engines:

• Two-stroke engines do not have valves, which simplifies their construction and lowers their weight.
• Two-stroke engines fire once every revolution, while four-stroke engines fire once every other revolution. This gives two-stroke engines a significant power boost.
• Two-stroke engines can work in any orientation, which can be important in something like a chainsaw. A standard four-stroke engine may have problems with oil flow unless it is upright, and solving this problem can add complexity to the engine.

These advantages make two-stroke engines lighter, simpler and less expensive to manufacture. Two-stroke engines also have the potential to pack about twice the power into the same space because there are twice as many power strokes per revolution. The combination of light weight and twice the power gives two-stroke engines a great power-to-weight ratio compared to many four-stroke engine designs.
You don't normally see two-stroke engines in cars, however. That's because two-stroke engines have a couple of significant disadvantages that will make more sense once we look at how it operates.



F500 Formula
1995 Phantom F500 Formula Car
Our Formula 500 open wheel racecar uses a two cylinder two-stroke snowmobile engine with a continuously variable transmission (CVT) to propel the car up to 145 mph when geared for a road course. Lack of aerodynamic devices, such as wings, and the use of rubber pucks as a substitute for springs and shocks contribute to keeping F500 costs down. Properly equipped, an F500 car can be used in SCCA autocross, time trials, hill climbs or wheel-to-wheel racing.