In order to have a smooth gear change in a manual transmission vehicle, the engine power flow needs to be discontinued to the rest of the transmission. However, rather than turning off the engine for every gear change, the clutch 'disconnects' the flow of power between engine and transmission during gear changes. Ultimately it saves you from having to turn off your engine.
But what happens when you're driving uphill and relying on the clutch pedal? In uphill starts, both the brake and clutch pedal should be pressed. Then you release the clutch pedal just enough to feel it bite which should feel almost like the engine just shivered under your foot.
The vehicle won't roll in this state even if you take your foot off the brake pedal. The partially released clutch doubles as a brake pedal in this situation. This video continues to explain the physics behind force balance that keeps your manual transmission vehicle from rolling backward downhill.
One of the biggest reasons for this trend is the dual-clutch transmission DCT , which not only shifts faster than any driver on a manual could but is also more efficient. As the video explains, the DCT works in similar fashion to a manual transmission except that there are two separate gear sets and the shifting is computer controlled.
The two gear sets are normally arranged between odd and even gearing. The two clutches, hence the name dual-clutch transmission, are arranged where the odd-numbered gears use an outer clutch pack, while the inner clutch pack works the even-numbered gears. This allows both clutches to engage the input shaft. Starting out in first, the outer clutch will be engaged, while the inner clutch will be disengaged with second gear selected via a dog gear. Shifting from first to second gear, the transmission will disengage the outer clutch and engage the inner clutch.
The results are quicker shift times that cannot be accomplished with a conventional manual gearbox. Sign up to get the latest performance and luxury automotive news, delivered to your inbox daily! Of course selling batteries for all types of vehicles. Including batteries for mobility vehicle, electric wheelchairs not forgetting the regular cars driven by disabled people.
Eric has become a keen blogger over the past ten years. Importantly, whilst also running the family garage business in Halifax UK. Eric and his wife Michelle have been blessed with a family of eight children who are all now grown up.
See author's posts. About Post Author. Eric Roberts Eric Roberts has been in the Automotive and battery business now for over 40 years.
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