Gears Tutorial
September 29th, 2009
Excellent explanation of gears found in LEGO kits. Great pictures with explanations of each gear are included. Example gear systems are explained with disadvantages and advantages.
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Love this design of a robot/wheel chair wheel that can morph from a single wheel into a multi-wheel tank track, as terrain conditions dictate.
Wheels on a wheelchair morph from one large drive wheel into a tank track. What applications can you see this on?
Very interesting applications demonstrated in the video.
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VEX Workshop: Manipulators and Mechanisms
This is another case where I don’t need to write too much, as it makes more sense to direct people to some superb resources.
A powerpoint presentation that I often use to describe various lifting mechanisms to new members of our robotics team is available at:
http://first.wpi.edu/Images/CMS/First/2006CON_Manipulators_Needel.ppt
Another presentation that goes a bit more into the various mechanisms that can be used to collect and manipulate game pieces is at:
http://first.wpi.edu/Images/CMS/First/2007ROW_Mechanisms.ppt
While the robots discussed in these presentations are for the FIRST Robotics Competition, and therefore much larger than a VEX robot, the principles are the same. In fact I highly recommend taking a look through the various files available from FIRST at http://www.usfirst.org/community/frc/content.aspx?id=1108
Jason provides a great resource for teachers and mentors to access in regards to Building Robots in School. He is an example of resources he utilizes for his classes.
Give his site a look if you are looking for ideas, help or guidance
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