Why Sensor in Carburettor bikes

MasterMind Tech

23 Apr 202014:32

Summary

TLDRThe video discusses the importance of sensors in modern motorcycles, focusing on the throttle position sensor (TPS). It explains how older bikes lacked advanced features, but newer models like Bullet and Splendor include sensors that enhance performance. The TPS collects data on throttle input and sends it to the ignition coil, which helps regulate the engine's efficiency, reduce vibrations, and improve overall bike performance. The video highlights the working mechanism of sensors, their role in maintaining engine balance, and how they contribute to smoother and faster rides.

Takeaways

🔧 The video explains the function of a sensor used in modern bikes, known as the Throttle Position Sensor (TPS), which measures how much throttle is applied.
🚲 In older bikes, there was no such sensor, yet they still ran fine. However, new bikes and scooters come with this feature to improve performance.
⚙️ The TPS sends information to the bike’s ECU (Engine Control Unit) about the throttle position, which adjusts engine parameters for better efficiency and performance.
🔥 This sensor ensures accurate ignition timing, sending signals to the ignition coil, which generates a spark for combustion in the engine’s combustion chamber.
💡 The video emphasizes that even though older bikes like the Splendor didn’t have such sensors, the sensor helps in reducing engine vibrations and enhances power output in newer models.
🔄 The TPS works in sync with other engine functions like the piston and combustion chamber, and helps maintain a balance between power output and engine efficiency.
🛠️ The video explains the process of how the sensor adjusts the spark advance depending on throttle input, providing better engine performance at different RPMs.
💨 Removing the sensor might result in the bike running, but it would not achieve the same speed or pickup efficiency as with the sensor installed.
🔍 The sensor helps in reducing vibration and power loss, especially at high speeds, by optimizing the engine's combustion process.
👍 The video concludes by advising viewers to appreciate the TPS sensor's role in improving the smoothness and performance of modern bikes, and encourages sharing and subscribing.

Q & A

What is the main topic of the video script?
-The main topic of the video script is the role and function of the Throttle Position Sensor (TPS) in motorcycles, specifically how it helps in managing the ignition and improving vehicle performance.
What is the function of the Throttle Position Sensor (TPS) mentioned in the video?
-The Throttle Position Sensor (TPS) monitors the position of the throttle in a motorcycle and sends information to the ignition system, ensuring the right amount of fuel-air mixture is delivered to the engine based on the rider's input.
Why was there no TPS in older motorcycles, and how did they operate?
-Older motorcycles did not have TPS, yet they still operated without it because their systems were more mechanical. Riders could still drive without it, but these bikes lacked the precision in throttle response and fuel management that modern bikes with TPS have.
What does TPS communicate with to help the bike function properly?
-The TPS communicates with the ECU (Electronic Control Unit) to provide information about the throttle position. The ECU then adjusts the ignition timing and fuel injection to optimize the engine's performance.
What are the benefits of using a TPS in modern motorcycles?
-The benefits of using TPS include smoother throttle response, reduced vibrations, improved fuel efficiency, better power output, and overall improved performance compared to bikes without this sensor.
How does TPS help with reducing power loss and vibrations in motorcycles?
-TPS helps by precisely adjusting the ignition timing based on the throttle input, which reduces power loss and vibrations, leading to a smoother ride and better power transfer.
What is TDC and BDC as explained in the video?
-TDC stands for Top Dead Center, which is the highest point a piston can reach in the engine cylinder. BDC stands for Bottom Dead Center, which is the lowest point. These positions are critical for engine operation and timing, with TPS helping the system know when the piston reaches TDC or BDC.
What role does the TPS play in ignition timing?
-TPS helps in adjusting the spark timing by sending signals about the throttle position. If the throttle is opened more, it advances the ignition timing to provide the necessary spark at the right time, improving engine efficiency and power output.
How does TPS contribute to better acceleration in motorcycles?
-TPS ensures that the right amount of fuel and air mixture enters the engine when the throttle is opened, leading to a more precise and efficient combustion process, which results in better acceleration and smoother power delivery.
What is the main advantage of using a TPS in high-performance motorcycles?
-The main advantage is that TPS allows for more accurate control of fuel injection and ignition timing, which is essential for maintaining optimal performance, especially at higher speeds and under varying load conditions.

Outlines

00:00

🔧 Understanding the Throttle Position Sensor (TPS) in Modern Bikes

This section introduces the concept of throttle position sensors (TPS) in modern bikes, comparing them to older models that lacked this technology. It explains how the TPS monitors the throttle input and sends information to the bike's electronic unit to regulate fuel mixture and engine performance. The TPS ensures smooth power delivery by measuring the throttle position and adjusting the fuel and ignition systems. The paragraph contrasts the absence of such sensors in older vehicles, explaining how their performance was less optimized without real-time data from the throttle.

05:03

⚙️ The Working of Intake and Exhaust Valves in Engines

This paragraph delves into the working mechanism of an engine’s intake and exhaust valves. It explains how the intake valve opens to allow the air-fuel mixture to enter the combustion chamber, while the exhaust valve expels burnt gases. The description includes a step-by-step breakdown of the combustion process, starting with the piston moving downwards, pulling in the air-fuel mixture, compressing it, and igniting it to generate power. The paragraph also mentions the role of compression in increasing engine efficiency and how the valves coordinate to ensure smooth engine operation.

10:06

🔋 Power Generation and Compression in Engines

This section describes how engines generate power through the combustion process. It highlights the role of compression in improving engine performance, where the piston compresses the air-fuel mixture before ignition. The paragraph also touches on the concept of top dead center (TDC) and bottom dead center (BDC), explaining how these positions affect the piston's movement and power output. It emphasizes the importance of accurate timing in engine operations, as improper synchronization between the spark plug and piston can lead to vibrations, power loss, or inefficiency.

Mindmap

Keywords

💡Throttle Position Sensor (TPS)

A throttle position sensor is a device used in internal combustion engines to monitor the position of the throttle valve. In the video, it is explained that this sensor collects information about how much throttle the rider applies, helping the engine to adjust fuel and air intake accordingly. This sensor ensures optimal engine performance, fuel efficiency, and smooth acceleration.

💡Ignition Coil

An ignition coil is a component in a motorcycle's ignition system that converts low voltage from the battery to high voltage needed to create an electric spark in the spark plug. In the video, the ignition coil receives signals from sensors like the throttle position sensor and ignites the air-fuel mixture in the combustion chamber, generating power for the motorcycle.

💡Spark Plug

The spark plug is a device used in internal combustion engines to ignite the air-fuel mixture inside the combustion chamber with an electric spark. The video explains that the spark plug works with the ignition coil to create the spark that ignites the fuel mixture, which is critical for the power generation of the motorcycle's engine.

💡Combustion Chamber

The combustion chamber is the part of the engine where the air-fuel mixture is ignited, resulting in an explosion that powers the engine. In the video, the functioning of the combustion chamber is described in detail, including how the spark plug ignites the mixture, and how this process generates mechanical energy to drive the motorcycle.

💡Top Dead Center (TDC)

Top Dead Center refers to the highest point that a piston reaches in the cylinder of an engine during its stroke cycle. In the video, this position is crucial for the timing of ignition, as sensors detect when the piston reaches TDC, allowing for optimal spark timing and efficient engine operation.

💡Bottom Dead Center (BDC)

Bottom Dead Center is the lowest point that a piston reaches in the cylinder. The video explains that sensors track the piston’s movement between TDC and BDC, which helps regulate the engine's fuel injection and ignition systems. Correct positioning of the piston is essential for smooth engine performance.

💡Power Stroke

The power stroke is the part of the engine's cycle during which the combustion of the air-fuel mixture drives the piston downward, producing mechanical energy. In the video, the power stroke is described as the phase where the engine generates the power needed to propel the motorcycle forward.

💡Fuel Mixture

The fuel mixture refers to the combination of air and fuel that is drawn into the combustion chamber for ignition. The video emphasizes the importance of maintaining the correct fuel mixture for efficient combustion and engine performance, as sensors help in regulating this mixture.

💡Vibration Reduction

Vibration reduction refers to the mechanisms in modern motorcycles that minimize engine vibrations for a smoother ride. In the video, it is highlighted that certain sensors, like the throttle position sensor, help to adjust ignition timing and fuel mixture to reduce engine vibrations, improving ride quality.

💡Sensor Calibration

Sensor calibration involves adjusting sensors so that they provide accurate readings. The video mentions that accurate sensor calibration, especially in components like the throttle position sensor, ensures that the motorcycle performs efficiently, with correct fuel delivery and ignition timing.

Highlights

Introduction to the bike sensor system and its importance.

Older bikes lacked the advanced sensors present in modern models like Splendor and Pulsar.

Explanation of the 'Throttle Position Sensor' (TPS) and its role in managing the throttle position.

TPS helps in adjusting fuel and air mixture, improving overall performance.

Sensors collect key data on throttle input, relaying it to the engine control unit (ECU).

Older bikes like Bullet ran without these sensors, but performance and efficiency have improved with sensors.

The ECU receives input from the sensor and adjusts ignition timing for optimal combustion.

Ignition coil generates high voltage for spark plugs based on ECU signals.

Sensors minimize vibration and improve engine smoothness.

The TPS ensures precise throttle input handling, enhancing power delivery.

The use of sensors significantly reduces power loss and increases engine efficiency.

TPS makes vehicles more responsive, ensuring quick acceleration and consistent performance.

The working of the sensor in synchronization with other engine parts, especially during compression and combustion cycles.

Explanation of how sensors help reduce vibrations and increase vehicle lifespan.

Conclusion emphasizing the advantages of TPS in improving bike performance, power output, and reducing wear and tear.