4 Stroke RC Engine

4 Stroke RC Engine

What is Four Stroke RC Engine?
A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either direction. The four stroke engine was first demonstrated by Nikolaus Otto in 1876, hence it is also known as the Otto cycle. The technically correct term is actually four stroke cycle. The four stroke engine is probably the most common engine type nowadays. It powers almost all cars and trucks.

Complete Process for Four-stroke Cycle
💢 Intake: Also known as induction or suction. This stroke of the piston begins at top dead center (T.D.C.) and ends at bottom dead center (B.D.C.). In this stroke the intake valve must be in the open position while the piston pulls an air-fuel mixture into the cylinder by producing vacuum pressure into the cylinder through its downward motion. The piston is moving down as air is being sucked in by the downward motion against the piston.
💢 Compression: This stroke begins at B.D.C, or just at the end of the suction stroke, and ends at T.D.C. In this stroke the piston compresses the air-fuel mixture in preparation for ignition during the power stroke (below). Both the intake and exhaust valves are closed during this stage.
💢 Combustion: Also known as power or ignition. This is the start of the second revolution of the four stroke cycle. At this point the crankshaft has completed a full 360 degree revolution. While the piston is at T.D.C. (the end of the compression stroke) the compressed air-fuel mixture is ignited by a spark plug (in a gasoline engine) or by heat generated by high compression (diesel engines), forcefully returning the piston to B.D.C. This stroke produces mechanical work from the engine to turn the crankshaft.
💢 Exhaust: Also known as outlet. During the exhaust stroke, the piston, once again, returns from B.D.C. to T.D.C. while the exhaust valve is open. This action expels the spent air-fuel mixture through the exhaust valve.

Four-stroke cycle used in gasoline/petrol engines: intake (1), compression (2), power (3), and exhaust (4). The right blue side is the intake port and the left brown side is the exhaust port. The cylinder wall is a thin sleeve surrounding the piston head which creates a space for the combustion of fuel and the genesis of mechanical energy.

Why Choose 4 Stroke Engine for RC Models?
1, 4 stroke engine has higher torque at lower rpm as compared to 2 stroke engine.
2, More fuel efficient than 2 stroke engine.
3, It creates less pollution as no oil is burned during combustion.
4, 4 stroke engine lasts longer than 2 stroke engine as 2 stroke engines are designed for high rpm and at high rpm engines wears at faster rate hence less durable.
5, It has a separate oil chamber.
6, It is with more realistic sound, it is quite normal for 4 stroke engine to be used in scale rc car, truck, airplane, boat, ect...

Why Choose Toyan 4 Stroke Engine?
1, work stable
2, Maintenance procedure is simple
1), Clean Pull rod half a month or 20 days / times.
2), Open the cover and lubricate it with grease.
3), Change belt regularly ( each belt works around 100hours )
3, Carburetor is easy to debug
4, mini design, but with strong power.
5, fuel efficient than other engine.

Below are some masterpiece from us and our customer:

4 Stroke RC Engine masterpiece - enginediy from buyer

Video of Toyan Engine working on RC Car, Truck, Airplane...

4 Stroke RC Engine - Available here: 👇


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