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Lego amusement park - Gears and Axles
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The amusement park is filled with Lego builds, some with gears some without.The use simple but effective Lego mechanisms such as the sideways gear turns top gear and gear turns multiple gears next to it.
Lego sets this could be used with :
41128 - Amusement Park Space Ride 41133 - Amusement Park Bumper Cars 41130 - Amusement Park Roller Coaster 10235 - Winter Village Market
Gears / Cogs: Gadgets that can change speed, torque,direction of power source. Principle is similar to that of levers. Gear ratio = No of teeth (Follower)/No of teeth(Driver) Gear: Here the driver gear moves the follower gear. Both have same number of teeth and gear ratio is 1. If Driver rotates in clockwise then follower rotates in anti-clockwise or vice versa. Perpendicular Gear: Change the direction of rotation from front to top. Front clockwise, top anti-clockwise viceversa Orthogonal gears: Change the direction of rotation from front to right/back to left . Front-Clockwise, Right -anticlockwise and vice versa Gearing up: Driver gear (teeth) > Follower gear (teeth) Driver gear(speed) < Follower gear (speed) Driver gear(torque) > Follower gear(torque) Gear ratio = No of teeth(Follower)/No of teeth(Driver) = 6/14 Gearing down: Driver gear (teeth) < Follower gear (teeth) Driver gear(speed) > Follower gear (speed) Driver gear(torque) < Follower gear(torque) Gear ra
A wheel and axle is a simple machine, and a very useful one at that. However, not all forms of a wheel and axle are equal. Let's look at the four cases: Wheel is fixed, Axle is fixed, Body is fixed In this case, the wheel, axle, and body are all fixed. This case will never work, because the wheel, being attached to the body, cannot rotate at all. This case is similar to, say, pushing a round pair of headphones across a table. The earphones, despite being circular and looking like they are a wheel, will not rotate and will merely slide. _________________________________________________________________________________ Wheel is not fixed, Axle is not fixed, Body is not fixed In this case, everything is free moving and does not have solid connections. When you push this, it will spin, but it will be highly unstable. The reason for this is because without the wheels being fixed with the axle, it may still spin, but it will not have consistent
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