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TwoStroke Carburetor Throttle Barrel System How it Works by Craig Kirkman
YOUR LINK HERE:
http://youtube.com/watch?v=eYbgeC88eb0
VISUALLY EXPLAINED • A small two-stroke carburetor on a line trimmer with a throttle barrel system works as follows: • Fuel and Air Mixing: The carburetor's main function is to mix the right proportion of fuel and air for combustion. As the engine runs, it requires a specific air-fuel mixture to operate efficiently. This mixture is typically around 40 parts air to 1 part fuel for two-stroke engines. • Throttle Barrel: In a line trimmer, the throttle barrel is a circular plate that regulates the airflow. As you squeeze the throttle trigger on the line trimmer, it opens or closes the throttle barrel, controlling the amount of air entering the carburetor. • Venturi Effect: The Venturi effect comes into play here. As air flows through the carburetor's venturi, which is a narrow section of the carburetor, its speed increases. This decrease in pressure in the venturi causes fuel to be drawn in from the carburetor's float bowl. • Fuel Supply: The carburetor has a fuel supply system that includes a float bowl with a float and needle valve. The float maintains a constant fuel level in the bowl, and the needle valve controls the flow of fuel. The faster the air flows through the venturi due to the throttle barrel opening, the more fuel gets drawn into the air stream. • Mixture Adjustment: The carburetor may also have adjustment screws to fine-tune the air-fuel mixture. These screws allow you to regulate the fuel flow according to the specific requirements of the engine. • Atomization and Vaporization: Once the fuel is drawn into the airflow, it becomes atomized and vaporized. This process is essential for proper combustion. The atomized mixture is then sent into the engine's cylinder through the intake port. • Ignition and Combustion: Inside the engine's cylinder, the atomized air-fuel mixture is ignited by the spark plug. The resulting combustion generates the power needed to drive the trimmer's cutting head. • Exhaust: The burned gases are expelled through the exhaust port, and the cycle repeats as the engine continues to run. • The carburetor's precise engineering ensures that the correct air-fuel mixture is maintained under different throttle settings, allowing the two-stroke engine in the line trimmer to run smoothly and deliver the required power. It's important to keep the carburetor clean and well-adjusted for optimal performance. • I hope you benefit from the video. • Many thanks indeed • Craig Kirkman (Owner and Creator of the 'The Repair Specialist' Channel) • Please check out my amazon shop. I have recommended some useful items from Amazon below. I guarantee you that these items are the sorts of things I use on a daily basis so I know they are good. I have to be careful in recommending products because I have my name and credibility at stake. So I will only recommend good products. https://www.amazon.co.uk/shop/therepa... • #TwoStrokeCarburetor #LineTrimmer #SmallEngineCarburetor #CarburetorOperation #ThrottleBarrelSystem #AirFuelMixture #VenturiEffect #Atomization #FuelSupply #EnginePerformance #OutdoorPowerEquipment #EngineMaintenance #CarburetorAdjustment #AirflowControl #FuelMixing #CombustionProcess #EngineEfficiency #SmallEngineRepair #DIYMechanic #GardeningTools
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