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The first set of planets engages the second set, and the second set turns the ring gear; this combination reverses the direction. It has one ring gear that is always the output of the transmission, but it has two sun gears and two sets of planets. But the output direction is really the same as the input direction -- this is where the trick with the two sets of planets comes in. If both sun gears turn in the same direction, the planet gears lockup because they can only spin in opposite directions. The planet carrier tries to spin counterclockwise, but is held still by the one-way clutch (which only allows rotation in the clockwise direction) and the ring gear turns the output. Cold War was still on. True or false, did the Cold War end in the 1980s? You'll remember from the previous section that all we have to do to get a 1:1 output is lock together any two of the three parts of the planetary gear.

Also, locking any two of the three components together will lock up the whole device at a 1:1 gear reduction. We'll start with the key to the whole system: planetary gearsets. An automatic transmission contains two complete planetary gearsets folded together into one component. Notice the rubber seal on the piston -- this is one of the components that is replaced when your transmission gets rebuilt. Below you can see the piston and the clutch drum. See How Gear Ratios Work for an introduction to planetary gearsets. We can get lots of different gear ratios out of this gearset. About the size of a cantaloupe, this one part creates all of the different gear ratios that the transmission can produce. And that's one of the most important reasons why you should care about it: to keep the internet as free, open and fair as possible, just as it was designed to be. So the transmission uses gears to make more effective use of the engine's torque, and to keep the engine operating at an appropriate speed. In this article, we'll learn what makes these robotic devices tick and the different ways police can use them. Created by the Wifi Alliance, Miracast technology can be found in devices from many manufacturers.

If a computer or physical hard drive fails, the information can be downloaded from your cloud service to new devices. You can consume streaming video and audio through apps on your smart TV, DVD player, gaming console, computer and even your phone or tablet. This can be a biggie, and it's better to deal with electrical issues sooner rather than later, even if you have to call in an electrician to do it. Back in 1963, Stan Lee and Jack Kirby introduced the world to the six founding members of the X-Men, comprised of Angel, Beast, Cyclops, Iceman, Jean Grey, and Professor X. Roughly twelve years later, the popularity surrounding the superhero team had grown exponentially. It’s an environmental issue that now makes daily headlines around the world. So the ratio in reverse is a little less than first gear in this transmission. With two of these gearsets in a row, we can get the four forward gears and one reverse gear our transmission needs.

In this transmission there are four clutches. With the arrangement in this gearset it is even easier - all we have to do is engage the clutches that lock each of the sun gears to the turbine. Each gear shift triggers a series of events like these, with different clutches and bands engaging and disengaging. Above you can see the two pistons that actuate the bands. In the figure above, you can see one of the bands in the housing of the transmission. In real-time graphics, like the kind you see in video games, shaders work with the graphics processor. The next step is to run the tire into a curing machine, which functions something like a waffle iron, molding in all of the markings and traction patterns. Step 5: Tighten the adjustment nut(s) on the stator without moving it. Next you can see the inside of the planet carrier. You can see that this would also cause the bigger sun gear to spin; but because that clutch is released, the bigger sun gear is free to spin in the opposite direction of the turbine (counterclockwise).

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