For many newcomers who have just passed subject three and got a driver's license, the simple action of a downshift can make them quite embarrassed. Compared to the veteran old drivers, the new drivers will slow down each time the car is turned off. Will go forward, especially the 2 block back 1 block is even more so, every time the low speed back-off, almost all can see the rear seat passenger that frowned face. So what should we do to solve this problem? For the sake of going forward In fact, the fundamental reason is that the clutch is too fast. In general, the new driver's back-up procedure is: release the throttle or brakes --- step on the clutch --- back up --- release the clutch --- throttle fill. This will cause the car to rush forward and leave it here. The clutch has a linkage point, I believe everyone in the subject two exercises already know. This linkage point directly controls the power output of the engine. When you step backwards and step on the clutch, the power of the engine is interrupted. Then you must engage the clutch after completing the reverse gear, that is, restore the power transmission of the engine. At this time, if The position of the linkage point is too fast to release the clutch. When the clutch is suddenly connected with the power of the engine, the car will rush forward because of sudden power. This causes uncomfortable back-shifting. What should I do? After the back-shifting operation is completed, place your left foot quickly and place it in about half of the clutch stroke. At this time, your feet obviously feel the change of force under the foot. This is the place near the linkage point. Immediately slow down the release of the clutch, slowly raise your foot and lift it to almost finish. At this time, your foot will leave the clutch pedal and the throttle will make up. You will feel the force of the car rushing forward a lot less. Remember the coupling point of the clutch, and in the same way you downshift again, slow down the clutch speed in that same place. After doing so several times, you have already remembered where this car was. After knowing the binding point, every time you step down, you can try to shorten the time you release the clutch without affecting comfort. In your hand, as long as you drive a new car for two or three days, you can basically drop it with great skill and stability. It takes longer to open this car, and the addition and subtraction of the car is already a muscle memory for you. There is no longer a need for distraction. At this time, you will find that the pleasure of opening the manual transmission is. A ballcock (also balltap or float valve) is a mechanism or machine for filling water tanks, such as those found in flush toilets, while avoiding overflow and (in the event of low water pressure) backflow. The modern ballcock was invented by José Antonio de Alzate y RamÃrez, a Mexican priest and scientist, who described the device in 1790 in the Gaceta de Literatura Méxicana.[1] It consists of a valve connected to a hollow sealed float by means of a lever, mounted near the top of the tank. The float is often ball-shaped, hence the name ballcock. The valve is connected to the incoming water supply, and is opened and closed by the lever which has the float mounted on the end. When the water level rises, the float rises with it; once it rises to a pre-set level, the mechanism forces the lever to close the valve and shut off the water flow. This is an example of negative feedback and of proportional control. Ball Cock, Brass Ball Bibcock, Ballcock Valve, Toilet Ballcock Valve ZHEJIANG KINGSIR VALVE CO., LTD. , https://www.kingsirvalve.com