English 
harley front wheel speedometer drive
The transmission principle is that the small pedal motorcycle engine continuously generates heat energy. After the heat energy is converted into rotary force by the crankshaft connecting rod, the variable speed transmission device drives the rear wheel to rotate with the rotary force. When the ground friction is overcome, the motorcycle can be driven to run.
The traditional speed change mechanism of the scooter is divided into three main parts, namely, the Puli pan, the belt and the clutch. Through the flexible use of inertia and centrifugal force, the fully mechanized automatic speed change mechanism is realized, which is more pure than the CVT gearbox of the car. Pulitzer plate is composed of pressure plate, multiple Pulitzer beads and fan blade plate fixed with crankshaft. Generally, it is located on the left side of the engine and connected to the clutch at the rear wheel through V-belt. Most of them are rear hub motors, which are mainly adapted to the habit of Chinese rear wheel drive; In fact, there is no much difference between the front hub motor and the rear hub motor. The principle and manufacturing method are the same. The difference is that the rear hub motor has an additional flywheel screw thread, which is used to fix the flywheel dry, and the length of the central shaft is also lengthened. In foreign countries, the front wheel is the majority. As for the advantages and disadvantages, I think the front wheel hub motor is better than the rear wheel hub motor, because the bicycle with the rear drive motor consumes more power when turning, that is, the greater the turning degree of the front wheel, the greater the resistance formed, and there is no resistance problem in the rear drive. The engine of a dual-drive motorcycle consists of a piston, a cylinder block and a cylinder head, which contains a valve mechanism. When the spark ignites the mixture of fuel and air, it will cause an explosion and push the piston up and down in the cylinder block. The valves then open and close so that the mixture of fuel and air enters the combustion chamber. The up and down motion of the piston drives the crankshaft to rotate, and converts the energy of the piston into rotary motion. The rotating force of the crankshaft is transmitted to the rear wheels of the motorcycle through the transmission.
Motorcycle engines are generally classified according to three characteristics: the number of cylinders of the engine, the capacity of the combustion chamber or the number of strokes of the power cycle. The cylinder motorcycle can have 1-6 cylinders. For many years, V-twin design has been the choice of motorcycle engineers in the United States, Europe and Japan. V-twin is named after the V-shape of two cylinders, for example, the classic Harley-Davidson V-twin engine shown below. Note 45 degrees in Harley Davidson V-twin. Other manufacturers can change this angle to reduce vibration. V-twin is only one way of arranging two cylinders
Get a Quote / Info