Lego heart - Rotate

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Gears and basic concepts

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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...
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Wheel and Axle-Connections of parts

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 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 reas...
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Courses Offered

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From Levers to Transmissions - A starter course on engineering, moving from basic simple machines to advanced automobiles. Covers all 6 basic Simple Machines, Hydraulics, Automata, Gears, and Automobiles over 10 classes. Stars and Space -A course on the celestial bodies and items all around space. Covers Astronomy, Astrology, Stars and Constellations over 6 classes. Energy and Electricity -A course covering forms of energy, giving a wide-rounded education on how energy and electricity work. Covers Non-Renewable Energy, Renewable Energy, Thermodynamics, Electricity, and Magnetism over 6 classes. Chemistry, Biology, and Physics -A basic(not calculation-based!) course on basic physics, chemistry, and biology for younger students looking to understand these topics without the high levels of mathematics and other studies required. Covers Hydraulics, Thermodynamics, States/Transitions/Reactions, Matter, Force, Biology, Ecosystems, Space, and Oceans over 10 classes. Fun Science! -A course bas...
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