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[Sumo] aliases here.
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From the Wikipedia page on Robot Sumo:
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__Robot-sumo__, or pepe-sumo, is a sport in which two robots attempt to push each other out of a circle (in a similar fashion to the sport of [sumo|https://en.wikipedia.org/wiki/Sumo] ). The robots used in this competition are called sumobots.

[{Image src='attach/RobotSumo/RoboCore_Robot_Sumo.jpg' align='right' class='imgFloatRight' width='300' caption='Robot-sumo'}]  

The engineering challenges are for the robot to find its opponent (usually accomplished with infrared   or ultra-sonic sensors) and to push it out of the flat arena. A robot should also avoid leaving the arena, usually by means of a sensor that detects the edge.

The most common "weapon" used in a sumobot competition is an angled blade at the front of the robot, usually tilted at about a 45-degree angle towards the back of the robot. This blade has an 
adjustable height for different tactics.

Robot-sumo is divided into classes, fought on progressively smaller arenas:

* __Heavy-weight.__ Standard in the  [National Robotics Challenge|https://en.wikipedia.org/wiki/National_Robotics_Challenge] . Robots may weigh up to 125 pounds (56.8 kg) and fit in a 2-foot cube (61 cm).
* __Light-weight.__ Also standard in the [National Robotics Challenge|https://en.wikipedia.org/wiki/National_Robotics_Challenge] . Robots may weigh up to 50 pounds (22.7 kg) and fit in a 2-foot cube (61 cm).
* __Standard class__ (sometimes named Mega-sumo) robots may mass up to 3 kg and fit inside a 20 cm by 20 cm box, any height.
* __Mini-sumo.__ Up to 500 g mass, 10 cm by 10 cm, any height.
* __Micro-sumo.__ Up to 100 g mass, must fit in a 5 cm cube.
* __Nano-sumo.__ Must fit in a 2.5 cm cube.
* __Pico-sumo.__ Must fit in 1.25 cm cube.
* __Femto-sumo.__  Must fit inside a 1 cm cube.
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!! Has Tag Of ''RobotSumo'' 

[{HasTagOf RobotSumo}]


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[{Tag RobotSumo}]