What is the reason for the gear shift frustration of Pentium t77?

The engine speed does not match the current vehicle speed, that is, there is a speed difference between the engine speed and the clutch plate speed. When shifting the lifting clutch, if the engine speed does not match the current vehicle speed, that is, there is a speed difference between the engine speed and the clutch plate speed, it will go backwards.

Ways to avoid gear shifting frustration:

1. Adjust the shift speed.

One of the gear shifting methods that everyone learned in driving school is to increase the speed to 2000 rpm before shifting gears. When the engine reaches this speed, the output torque is relatively high for the moving car, which may lead to retrogression. Therefore, the engine speed should be reduced moderately when shifting gears, for example, when the engine speed is increased to 1500 rpm, shift gears. For engines with large displacement or good low-speed torque, it is even possible to shift gears at the low speed of 1000- 1200 rpm without stumbling, which has little effect on speed increase. Therefore, riders who often encounter gear shifting setbacks can try to adjust (reduce) the engine speed when shifting gears, and find an engine speed that can smoothly shift gears without affecting the speed increase.

2. Adjust the shift sequence.

The standard shift arrangement is progressive, namely 1-2-3-4-5. In some cases, setbacks can also be avoided if a trip stop is used. For example, if the engine speed of 2nd gear is increased to 2000 rpm, it can be directly shifted to 4th gear, and 3rd gear can be directly shifted to 5th gear. This is based on the principle that the front output torque and the rear torque demand of the power chain are roughly matched. Usually, when highways and roads are flat, they are used more when accelerating.

3. Shorten shift time

If the previous two-foot shifting method (first step on the clutch reverse gear, then step on the clutch upshift) takes a long time to shift gears, it will lead to excessive engine speed and frustration. One-foot method (continuous stepping on reverse gear and clutch upshift) can shorten the whole shift time, reduce the engine speed less and avoid retrogression. Semi-linkage will lead to accelerated wear of clutch bearing and clutch pressure plate, and finally the clutch cannot be separated. Therefore, use semi-linkage as little as possible. One-foot method for a long time will also aggravate the wear of the above parts, and the action should be as fast as possible when shifting gears.

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