What is the principle behind the whistling sound of a motorcycle engine?
1 Answers
When the engine is at low RPM, the exhaust pressure in the backpressure pipe is relatively high, allowing the expelled exhaust gases to be directed into a curved pipe, which produces a whistling sound. Additional information about motorcycles is as follows: Definition: A motorcycle is a two- or three-wheeled vehicle powered by a gasoline engine, steered by handlebars that control the front wheel. It is lightweight, agile, and fast, widely used for patrolling, passenger and cargo transport, and also serves as sports equipment. Broadly, motorcycles are categorized into street bikes, road racing motorcycles, off-road motorcycles, cruisers, and touring bikes, among others. Basic components: A motorcycle consists of five main parts: the engine, transmission system, running gear, steering and braking systems, and electrical instrumentation equipment.