From there, we picked an appropriate electric motor and gear reduction to give us our desired RPM. Because Deadlift would have a lifter arm that could be used to self-right the robot if it flipped over, we picked relatively small wheels which could be armored, then considered the max RPM to get our desired top speed. In choosing wheel size, many designs call for large wheels to give the robot the ability to drive while upside down. Designing DeadliftĪfter years of competing at tournaments and tweaking our designs, we figured that if the robot could drive at a speed of 18mph, we could be plenty aggressive while still being able to control it fairly well. ![]() For example, how fast should your robot go to be both aggressive and controllable? How much force should your spinning robot be able to deliver to another robot? How much weight should it be able to lift in theory in order to lift another robot in reality? (Remember, there are always small differences between theory and practice.)Īsking those sorts of questions and playing with the numbers will provide a good starting point for the rest of your design. Like many engineering projects, the first thing you want to do is crunch some numbers to outline the parameters for your robot. Since any type of robot must fall within the weight limits set by the rules, there are inevitable trade-offs when allocating weight to one area of the robot or another. When fleshing out what capabilities you’d like the robot to have, there are three critical considerations to keep in mind: weight, weight, and last but not least, weight!Ģ50 pounds sounds like plenty of weight to integrate all the things on your combat robot wish list, but battleworthy components tend to be heavy, and those pounds add up quickly. ![]() It usually takes several months to get from a napkin sketch to a complete CAD (Computer-Aided Design) model. The design process will probably take up the majority of the time you spend crafting your robot. Battleworthy components are NOT lightweight.
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