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Posts by Corey Rasmussen

link to Video-Find Out Why This Weight Moves on a Roller Coaster

Video-Find Out Why This Weight Moves on a Roller Coaster

https://youtu.be/EYMQro06wTw This video show that movement of a chain tensioning device used on a roller coaster chain lift. There is something abnormal about the loading and unloading motion...

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link to Video-Why a Two Stage Pump is Better For Your Log Splitter

Video-Why a Two Stage Pump is Better For Your Log Splitter

https://youtu.be/ROlFG6dlLoQ Suggested Video https://youtu.be/Z7z4qVQgvzY

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link to Video-How to Design a Pencil Sharpener with Planetary Gears

Video-How to Design a Pencil Sharpener with Planetary Gears

Yes, planetary gears can even be found in pencil sharpeners. This is an unusual situation because there is no sun gear in the system. Also, the carriage is input and the planets themselves are the...

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link to Video-How to Get Multiple Speed Transmissions Using Planetary Gears

Video-How to Get Multiple Speed Transmissions Using Planetary Gears

It's no secret that planetary gears have many uses. As a result, they are widely used to get various speed reductions (or increases). In this video, we will show how small changes can make large...

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link to Video-How to Use Planetary Gear Systems for Increased Torque in Drills

Video-How to Use Planetary Gear Systems for Increased Torque in Drills

Planetary gear systems are primarily used for one or more of the following reasons: Reverse Motion Transmit more torque than one gear set will allow High reduction rates Use with other...

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link to The Easiest Way to Multiply Large Numbers – Improved Line Multiplication

The Easiest Way to Multiply Large Numbers – Improved Line Multiplication

Multiplying large numbers is difficult. Any 4th grade math student will tell you that! When you learned how to multiply large numbers, it probably looked a little like this. Personally I never...

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About the Author

Corey Rasmussen is an award-winning professional engineer (NC and TX) with over 20 years of product design and development experience. He has two patents related to aerial lifts machinery, has advanced certifications in hydraulics and electronic controls, and specializes in designing mobile equipment. Corey is the principal engineer of Rasmussen Designs and is based out of Durham, NC.

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