The principle is the same during downshifting. When a gear is engaged, the next gear pre-engages, and so on, to ensure rapid, smooth, and jerk-free acceleration with no loss of power. For example, during acceleration, the drive shafts transfer from one gear to the next without interruption. One shaft is housed inside another, and that’s why we talk about concentric shafts. In the transmission housing, two shafts work in harmony, the one managing the even-numbered gears, the other the odd-numbered gears. These are activated by a servomotor with electronic controls. However, it does have a selector drum and selector forks.
The DCT gearbox does not use a clutch lever or a foot-activated speed selector.
#Dct transmission driver
In other words, the ratios are managed by a microprocessor that assesses driver and vehicle behaviour to determine the exact moment to switch gears so the driver only has to shift up or down once. Everything that I mentioned above is done in manual mode (electronic shift mode or ESP), which could be described as semi-automatic, but the quads equipped with this transmission also have an automatic selection button (auto). Moreover, this entire process works without releasing the accelerator handle. All the driver has to do is upshift or downshift the gears using his thumb. It consists of simple switches located near the left hand.
This transmission needs no clutch command or foot-activated speed selector.
/2013_Honda_VFR1200_DCT_r6-597be0e85f9b58928bda8713.jpg "dct transmission")
In fact, it’s an automated automatic transmission that makes it easier to drive. While most quad and ATV manufacturers use a continuously variable transmission (CVT), Honda goes it alone by adapting the DCT transmission, which already proposed to the automotive industry ages ago, to some of its motorcycles and quads.ĭCT stands for Dual Clutch Transmission. Honda is no exception to the rule and does not usually follow the crowd. Their stables help them develop technological advances that are then transferred to standard cars. Manufacturers invest astronomical sums in auto racing championships.
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