6 stroke i.c.engine
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Member • Oct 18, 2011
Member • Dec 24, 2011
Member • Dec 24, 2011
I am unaware of any six stroke engine which has fifth stroke as the compression stroke of combustion products. Six stroke engines using water to obtain additional power stroke have 5th stroke as the expansion/power stroke. The compression of combustion products occurs in the 4th stroke, if incorporated.Naveen RatheeSix stroke engines are not in the market till now because of their slow pick up & danger due to bursting of engine in Fifth stroke during compression of combustion products.
Also same engine material can not be used & special materials have to be developed which are resistive to corrosion when come in contact with water at high temperature..
Member • Dec 25, 2011
mechkyI am unaware of any six stroke engine which has fifth stroke as the compression stroke of combustion products. Six stroke engines using water to obtain additional power stroke have 5th stroke as the expansion/power stroke. The compression of combustion products occurs in the 4th stroke, if incorporated.
Also it is not the compression of combustion products which is dangerous, it is actually the sudden expansion of steam in the 5th stroke which poses some danger of explosion (similar to boiler explosion). However, this can be prevented by using a diesel engine and then if required it can be modified to run on gasoline. Using diesel engine will not only provide the necessary rigidity and strength but also has the fuel injector which is required for water injection in the six stroke engine.
But I am not sure whether that the current engine materials are compatible with water or not. Actually water injection is very much experimentally researched and studied to prevent knocking in 4-stroke engines and to increase the power output of engine and I don't think they change the engine(material) for this purpose. So I think there should not be any problem with the current engine materials as far as corrosion from water is concerned. However, it may vary from engine to engine.
Member • Dec 29, 2011
Member • Jan 1, 2012
1.Suctionrkvasan68Can any one explain the cycle and type of strokes that takes place in a 6 stroke engine..
In 4stroke
1.Suction,
2.Compression,
3.Power,
4.Exhaust
like wise what the 6 stroke engine have..??😡
Member • Jan 1, 2012
Member • Jan 1, 2012
Member • Feb 12, 2012
Hi NaveenNaveen RatheeSorry
Sorry for the misprinting about stroke, but during compression in 4th stroke combustion product of the previous strokes are compressed as their temperature is very high & we apply mathematical equations pv & whatever we find out during compression stroke pressure at the end increases very much . i am not quiet sure about it but during calculations i have found out the pressure at end of compression stroke may go above 50bar. which engine can not withstand.